The Atlantic Coast Observer Network - Virginia/North Carolina/South Carolina
http://members.cox.net/wxr/acon.htm

SUMMARY OF CLIMATOLOGICAL DATA 


APRIL 2008


... MOST STATIONS REPORT ABOVE NORMAL TEMPERATURES & RAINFALL ...
... TORNADOES HIT NORTH CAROLINA & VIRGINIA ON APRIL 28TH ...

Most all stations reported above normal temperatures and rainfall for the month as depicted in the data tables below. A good summary of weather for North Carolina may be found in the Raleigh narrative section.

On Monday the 28th of April, a series of supercell thunderstorms developed across north-central and northeastern North Carolina, as well as in south central, southeastern and central Virginia and moved northeast to the Chesapeake Bay and eastern shore where the cells diminished in intensity. These individual cells formed in increasingly unstable, moist air as strong winds moved in from the S and SW a fairly good distance ahead of an eastward moving cold front. In mid and late afternoon, the storms began to spawn tornadoes of varying intensity with the most destructive tornado reaching the "strong F3 level" in Suffolk, Virginia just off major Routes 58 and 32-and-10.

Details, associated pics, and a movie may be found with a click to the NWS Wakefield's website here: http://www.erh.noaa.gov/er/akq/wx_events/severe/april28_2008/april28_2008.html  [loads slowly due to flash movie insert].

Member Gary Leonard sent us this powerpoint presentation of the afternoon's events, focused on the Southeastern Virginia storms: http://members.cox.net/irises/022808_seva_tornado.pdf  . Many thanks Gary! In a follow-up to viewing this presentation, Bill Sammler of NWS AKQ sends this note: " Unfortunately, the first touchdown is about 2 miles SW of where it's indicated [in the presentation]. The tornado actually crossed U.S. 58 twice, with the first touchdown in the vicinity of Pitchkettle Rd. on the west side of U.S. 58. Only minor tree damage occurred there, but the tornado did not first touchdown near the elementary school."

  • NEW STATION - FRONT ROYAL, VIRGINIA [FRV]    - Mike Perritt joins our group this month. He's located in Front Royal, Virginia some 50 "or so" miles to west of Washington, DC.


  • DROUGHT MONITOR    http://www.drought.unl.edu/dm/monitor.html    More information on drought can be found at NOAA's Drought Information Center http://www.drought.noaa.gov/
  • REMINDER All National Weather Service station data listed herein is preliminary and may be subject to change.  The data has not been certified and cannot be used in legal actions.  Only reports certified by the National Climatic Data Center in Asheville, NC can be used for these purposes.

  • ACON VA/NC/SC Member Station Extremes - APRIL 2008
    State
    Maximum Temperature
    Minimum
    Temperature
    Warmest
    Average
    Temperature
    Coldest
    Average
    Temperature
    Maximum
    Precipitation
    Minimum
    Precipitation
    Virginia
    90°
    Chesterfield
    24°
    Blacksburg
    60.6°
    Mechanicsville
    52.3°
    Blacksburg
    8.32"
    Richmond
    3.63"
    Wallops Island
    North Carolina
    87°
    Raleigh (RDU)
    Roxboro
    28°
    Asheville
    63.8°
    Wilmington
    55.3°
    Asheville
    8.96"
    Cape Hatteras
    2.25"
    Wilmington
    South Carolina
    86
    Columbia
    Charleston
    Florence
    32°
    Columbia
    65.0°
    Charleston
    60.4°
    Greenville-Spartanburg
    4.11"
    Greenville-Spartanburg
    1.56"
    Orangburg


    ( For an explanation of column headers in the following tables,
    please note the column denotations table below. )


    TEMPERATURE / WINDS/ ELEMENTS

    VIRGINIA
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
    
         STN  A      B    C     C1     D    E  F    G    H  I  J K K1  L  M      N   N1   N2   O P Q R R1 R2   S   CWA
         ------------------------------------------------------------------------------------------------------------
         ANN 68.60 47.53 58.07  +2.6  89   18  35    3   0  0  0 0 70% 33 180  11             3 0 0 1  1     2400 LWX
         BCB 63.9  40.7  52.3   +2.3  81   26  24   16   0  0  4 0 70% 33 260  12   4.9       4 0 1 1  4     2400 AKQ
         BRI 67.0  46.8  56.9   +4.21 84   25  30   16   0  0  2 0 52%                         0 0 0 0  0     0510 LWX
         CEN 66.5  47.0  56.7   +4.0  84 18,26 33 3,16   0  0  6 0 69% 40 348   2   2.8  113 3 0 0 0  0     2400 LWX
         CHT 66.1  46.0  56.0   +2.9  83.2 18  31.1  3   0  0  2 0 69% 21 158   1   0.7  068 3 0 0 1  1     2400 LWX
         CHO 66.7  44.7  55.7         84 18,26 29   16   0  0  1 0     28 200   1   3.9       0 0 0 0  0     2400 LWX
                                                                       28 190  12
                                                                       28 170  17
         DAN 68.8  47.0  57.9   +0.6  85 18,26 30   16   0  0  1 0 71% 37 240   1   6.5       5 0 0 0  2     2400 RNK
         DCA 67.5  50.2  58.9   +2.8  85   18  40    3   0  0  0 0 65% 48 290  11   7.9       4 0 0 0  1     2400 LWX
         IAD 66.5  45.5  56.0   +2.9  83 25,26 30    3   0  0  2 0 69% 52 320   2   6.3       3 0 0 1  1     2400 LWX
         FCH 67.3  49.3  58.3         87   18  38   14   0  0  0 0     52       11             3 0 0 1 11
         FRV 65.3  45.1  55.2         82   26  31   15   0  0  1 0                             3 0 0 1        2400 LWX
         HAM 67    51    59           83   26  35   16   0  0  0 0 50% 38 225   4   8.0  270 3 0 0 0  0     2400
         HDV 66.8  45.7  56.2   +0.3  84 18,24 31    3   0  0  2 0 68% 24 360   1        360 4 0 0 1  1     2400 LWX
         LDY 66.8  48.4  57.6   +0.1  83   18  35   16   0  0  0 0 62%                         3 0 0 0  2     2400 AKQ
         LYH 66.5  44.7  55.6   +0.3  83 18,26 29   16   0  0  3 0 71% 33 240  12   6.7       4 0 0 0  1     2400 RNK
         NEW 67.33 42.93 55.33  +2    84   18  25   16   0  0  4 0 67% 37 248  12  13.53 180  2        4     1700 LWX
         NPN 68.6  49.4  59.0         86   26  34   16   0  0  0 0     28 270   4             3 0 0 0  4     2400 AKQ
         NOR 67.9  50.3  59.2   +1.6  86   26  36   16   0  0  0 0                             0 0 0 0  2     2400 AKQ
         ORF 66.7  51.2  58.9   +1.5  84   26  39   16   0  0  0 0 75% 45 230  28  10.2       1 0 0 0  4     2400 AKQ
         FHC 68.1  52.7  60.4   +3.0  86.5 26  39.8 16   0  0  0 0 78% 32 320  12   3.8  045                2400 AKQ
         POR 68.6  51.0  59.8   +0.7  86   26  35   16   0  0  0 0 78% 38 248  12   5.8  046 4 0 0 0  1     2400 AKQ
         CTR 69.4  46.9  58.0   +1.1  89.7 18  28.5 16   0  0  3 0 75% 21 225   1   1.0  090 2 0 0 0  0     2400 AKQ
         MEC 72.16 48.56 60.6         89   18  31   16   0  0  1 0 42%                         4 0 0 0  0     1700 AKQ
         RIC 69.8  49.2  59.5   +2.4  87   18  32   16   0  0  1 0 69% 60 340  22   7.7       4 0 0 0  2     2400 AKQ
         ROA 67.6  46.4  57.0   +0.9  84   18  31   16   0  0  1 0 62% 43 250  26   6.3       3 0 0 0  1     2400 AKQ
         AKQ                                                                                                  2400 AKQ
         WAL 64.2  47.1  55.6   +2.4  83   18  32   16   0  0  1 0     38 080   6  10.1       1 0 0 0  6     2400 AKQ
         WOO 65.1  47.6  56.3   +1.2  82 20,27 36   15   0  0  0 0                               0 0 0  2     2400 LWX
         WSH 66.0  46.5  56.2   +0.92 84.3 18  34.4  3   0  0  0 0 69% 40 270  11   1.8  360 0 0 1 0  0     2400 LWX
    NORTH CAROLINA
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
        
         STN  A      B    C     C1    D    E  F      G  H  I  J K K1  L  M     N    N1   N2  O P Q R R1 R2  S    CWA
         -----------------------------------------------------------------------------------------------------------
         AVL 66.6  44.0  55.3  +1.2  78    18 28    16  0  0  2 0 68% 32 300 12    6.8      3 0 0 0  3     2400 GSP
                                                                      32 330 29
         MRH 69.6  55.5  62.6        77    18 43    16  0  0  0 0     40 040 15   10.5      6 0 0 0  2     2400 MHX
         CLT 70.0  47.3  58.7  -2.2  83 18,26 29    16  0  0  2 0 69% 30 180 19    7.3      5 0 0 0  1     2400 GSP
         ECG 68.2  51.1  59.7  -0.4  84    18 34    17  0  0  0 0 72% 38 040 15   10.2      7 0 0 0  4     2400 AKQ
         FAY 73.8  52.2  63.0        86    26 34    16  0  0  0 0 64% 39 240 12    8.6      6 0 0 0  5     2400 RAH
                                                                      39 220 27
         GSO 68.1  48.2  58.1  +0.5  83 18,26 34    16  0  0  0 0 65% 33 230 12    7.7      4 1 0 0  4     2400 RAH
                                                                      33 300 29
         HSE 65.2  53.7  59.5  -0.3  73 24,27 44    18  0  0  0 0     41 130 20    9.2      0 0 0 0  6     2400 MHX
         HKY 68.4  47.4  57.9  -0.4  81 25,26 33    16  0  0  0 0     28 210 11    5.7      4 0 0 0  5     2400 GSP
                                                                      28 020 26
         LBT 73.4  50.7  62.0  +1.5  86    26 34    16  0  0  0 0     38 240 12    6.7      7 0 0 0  2     2400 ILM
         EWN 71.8  52.1  62.0  +8.0  86    18 35    17  0  0  0 0     36 040 16    7.8      0 0 0 0  3     2400 MHX
         RDU 71.3  49.4  60.3  +1.2  87    26 32    16  0  0  1 0 68% 36 240 12    7.3      6 0 0 0  2     2400 RAH
         RAL 71.3  47.3  59.3  +0.2  86 18,26 29    16  0  0  2 0     27       1             4 0 0 0  0     2400 RAH
         ROX 69.1  48.0  58.8  +1.5  87    18 31    16  0  0  1 0 66% 33 270 20         VRB 5 1 0 0  2     2400 RAH
         ILM 74.0  53.6  63.8  +1.1  85    18 37    17  0  0  0 0   % 39 030 15    8.9      3 0 0 0  1     2400 ILM
    SOUTH CAROLINA
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
       
         STN  A      B    C     C1    D    E  F      G  H  I  J K K1  L  M     N   N1   N2   O P Q R R1 R2  S    CWA
         -----------------------------------------------------------------------------------------------------------
         AND 71.9  49.4  60.7  +0.1  85    26 34    16  0  0  0 0     33 260 13   6.5       4 0 0 0  2     2400 GSP
         CAE 73.9  50.2  62.0  -1.2  86    11 32    16  0  0  1 0 66% 35 270 13   6.6       3 0 0 0  2     2400 CAE
         CRE 71.9  53.4  62.7  +0.7  79    18 38    17  0  0  0 0     40 210 12   8.5       3 0 0 0  6     2400 ILM
         CHS 76.4  53.7  65.0  +0.8  86  2,12 36    16  0  0  0 0     35 350 15   8.8       7 1 0 0  3     2400 CHS
         FLO 74.6  51.2  62.9  -0.2  86    26 36    16  0  0  0 0     36 030 15   7.5       3 0 0 0  4     2400 ILM
         GSP 71.1  49.6  60.4  +1.4  85    26 36    16  0  0  0 0 63% 35 250 13   6.8       5 0 0 0  2     2400 GSP
         OGB 75.8  51.1  63.4        85 11,27 34    16  0  0  0 0     35 280 12   6.5       0 0 0 0  7     2400 CAE
                                                                      35 250 13
    NEARBY STATIONS
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
       
         STN  A      B    C     C1    D     E  F     G  H  I  J K K1  L  M     N   N1   N2   O P Q R R1 R2  S    CWA
         -----------------------------------------------------------------------------------------------------------
         TRI 68.5  43.4  56.0  +1.4  83    24  27   16  0  0  3 0     38 240 12   4.3       1 0 0 0  3     2400 MRX
         DAV 58.2  37.7  48.0        75    19  26  2,3, 0 10  0 0                                           0700 PBZ
                                                    15

    (Please note the column denotations table below.)
    PRECIPITATION / BAROMETRIC PRESSURE

    VIRGINIA
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
       
         STN  T      T1     U  U1   V    V1   W X   Y      Z  1   2 3    4    5     6   6A   7    7A    8    S
         -------------------------------------------------------------------------------------------------------
         ANN  5.60  +1.99 1.93 20 2.59 20-21 14 2 15.14    T  3   1 0    T  7.6  30.51   3 29.47  12 30.06  2400
         BCB  5.69  +1.86 1.11 27 1.11    27 17 2 11.54  0.0           0.0  8.7                             2400
         BRI  5.04  +2.20 1.43 26 1.43    26  8 2 10.70  0.0           0.0  6.3  30.50   3 29.60  28        2400
         CEN  6.37  +2.93 2.97 20 3.91 20-21 12 2 13.59  0.0           0.0  6.7  30.49   3 29.49  12 29.22  2400
         CHT  6.40  +3.18              20-21 13 2 13.48  0.0           0.0  7.9  30.508  3 29.500 12 30.08  2400
         CHO  3.79        0.95 28 1.08 27-28 11 0  8.14                                    29.48  12        2400
         DAN  5.38  +1.55 0.79 12 0.82  31-1 13 0 11.52  0.0           0.0  3.8  30.49   3 29.52  12        2400
         DCA  4.92  +2.15 1.40 20 1.61 20-21 14 1 13.26  0.0           0.0  4.9            29.48  12        2400
         IAD  6.22  +3.00 2.90 20 3.61 20-21 10 1 12.63  0.0           0.0  6.5  30.51   3 29.46  12        2400
         FCH  6.95        3.20 20 4.22 20-21 12 3 13.93  0.0           0.0  2.6                             2400
         FRV  5.66        2.49               10 1 12.08  0.0           0.0  7.4  30.481  2 29.481 12        2400
         HAM  4.98        1.40 21 2.10 21-22 14 1 10.69  0.0           0.0  0.0  30.52   3 29.57  13 30.05  2400
         HDV  6.33  +3.63         1.80 20-21 13 2 14.28    T       1     T  8.3  30.48   3 29.41  12        2400
         LDY  5.77  +2.88 2.27 20 2.82 20-21 11 1 11.33  0.0           0.0  1.5  30.50   3 29.50  12 30.07  2400
         LYH  4.39  +0.93 0.92 27 1.03 27-28 15 0 11.22  0.0           0.0  2.1  30.50   3 29.53  12        2400
         NEW  3.81  +0.63 1.09 28                  8.03  0.0           0.0  6.6  30.60 2,3 29.86  12        1700
                                                                                        4              
         NPN  6.41        1.83 21 2.13 21-22 18 1 15.19  0.0           0.0  2.3  30.51   3 29.56  12        2400
         NOR  6.63  +2.57 1.94 21            17 2 14.87  0.0           0.0  0.3                             2400
         ORF  6.37  +2.99 2.12 21 2.92 21-22 15 2 14.10  0.0           0.0  0.2  30.50   3 29.56  12        2400
         FHC  5.81  +2.43 1.97 21 2.67 21-22 14 2 13.14  0.0           0.0  0.2  30.477  3 29.569 12 30.036 2400
         POR  5.53  +2.03 1.89 21 2.40 21-22 15 1 12.65  0.0           0.0  0.4  30.49   3 29.56  12 30.040 2400
         CTR  7.25  +4.02 1.96 20 2.17 20-21 15 2 13.52  0.0           0.0  0.8  30.49   3 29.59  12 30.042 0400
         MEC  8.25        2.08 21 3.88 20-21 13 2 15.92  0.0           0.0  2.5  30.15 2,3 29.35  12        1700
         RIC  8.32  +5.14 3.35 20 3.54 20-21 14 2 16.19  0.0           0.0  0.8  30.52   3 29.54  12        2400
         ROA  4.94  +1.33 0.78  3 1.25 27-28 13 0 10.03  0.0           0.0  4.9  30.49   3 29.52  12        2400
         AKQ                                                                                                2400
         WAL  3.63  +0.85 0.76 28 0.92 28-29 11 0 10.71  0.0           0.0  3.9  30.52   3 29.52  12        2400
         WOO  4.93  +1.73         0.81 19-20 16 0 10.94  0.0           0.0  7.7  30.56   3 29.82  12        0800
         WSH  6.19  +2.39 2.10 20 2.10    20 18 1 14.85  0.0           0.0  8.2  30.52   3 29.55  12        2400
    NORTH CAROLINA
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
       
         STN  T      T1     U  U1   V    V1   W X   Y      Z    1 2 3   4    5     6    6A   7    7A    8     S
         -------------------------------------------------------------------------------------------------------
         AVL  2.84  -0.66 0.68  5 0.82 27-28 14 0 13.70   0.0          0.0  3.8  30.34   3 29.62  12         2400
         MRH  6.95        3.03 22 3.16 21-22 11 2 14.80   0.0          0.0  0.0            29.67  12         2400
         CLT  3.70  +0.75 0.98 28 1.05   4-5 13 0 12.94   0.0          0.0  1.4  30.41   3 29.67  12         2400
         ECG  3.91  +0.91 1.58 28 1.64 20-21 11 2  8.96   0.0          0.0    T  30.54   3 29.51  12         2400
         FAY  6.70        3.13  5 3.18   4-5 14 2 15.42                                    29.60  12         2400
         GSO  5.45  +2.02 1.05 28 1.43 19-20 12 1 13.36   0.0          0.0  4.0            29.60  12         2400
         HSE  8.96  +5.67 2.04 22 3.05 21-22 12 4 22.52   0.0          0.0  0.0            29.67  12         2400
         HKY  2.70  -1.00 0.63  3 0.75   4-5 10 0 10.95   0.0          0.0  3.0  30.37   3 29.58  12         2400
         LBT  4.54  +1.71 3.73  5 3.73   4-5  8 1 12.55                          30.40   3 29.69  12         2400
         EWN  4.83  +1.43 1.90  5 1.90   4-5 11 1 14.07   0.0          0.0  0.0            29.67  12         2400
         RDU  3.92  +1.12 1.16 27 1.64 27-28 12 1 13.87   0.0          0.0  0.5            29.60  12         1900
         RAL  3.92  +1.12         1.47 27-28 13 1 14.49   0.0          0.0  0.5  30.42   3 29.60  12         2400
         ROX  4.61  +1.68 1.00 28 1.00    28 13 1 13.83   0.0          0.0  5.3  30.45   3 29.59  12  30.05  2200
         ILM  2.25  -0.59 0.80  5 0.80     5 10 0 12.64   0.0          0.0    T  30.38   3 29.71  12         2400
    SOUTH CAROLINA
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
       
         STN  T      T1     U  U1   V    V1   W X   Y     Z   1  2 3  4     5     6    6A   7    7A    8     S
         ------------------------------------------------------------------------------------------------------- 
         AND  3.13  -0.22 0.73  4  1.19   4-5 10 0 13.49  0.0          0.0  1.5  30.34   3 29.73  12         2400
         CAE  3.48  +0.50 1.52  5  2.29   4-5  9 1 13.39  0.0          0.0  0.3  30.36   3 29.75  28         2400
         CRE  3.07  +0.95 1.49 20  1.49    20  9 1 13.36                         30.35   3 29.73  12         2400
         CHS  2.49  -0.28 0.67 28  0.67    28 12 0 10.69  0.0          0.0  0.0  30.32   3 29.78  12         2400
         FLO  3.45  +0.66 2.62  5  2.62     5 10 1 13.06                         30.38   3 29.72  12         2400
         GSP  4.11  +0.57 1.36 28  1.51 27-28 12 1 14.57  0.0          0.0  3.1  30.37   3 29.67  12         2400
         OGB  1.56        0.42  5  0.42     5  9 0 11.28                    0.0  30.36   3 29.78  12         2400
    NEARBY STATIONS
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
       
         STN  T      T1     U  U1   V      V1  W X   Y      Z  1  2  3   4     5     6   6A   7    7A 8      S
         -------------------------------------------------------------------------------------------------------
         TRI  2.84  -0.39 0.71  5 1.16 27-28 10 0 13.76     T 14  1  0     T   4.0 30.34  2 29.65  12        2400
         DAV  5.75        0.94 20            18 0 24.93   3.1 14  8  3   5.5 154.7                           0700    

    Virginia:

    Annandale - Lowell sends these additional notes: " April was +2.6 warmer than average and +1.99 inches above average in precipitation and the second wettest April in the past 28 years and the wettest April since 1983 when the record of 8.65 inches occurred. April's mean monthly temperature was 58.07 and was the fifth warmest in the last 28 years. The lowest April minimum temperature was 35, which was the highest monthly minimum since 1999 when the April minimum was only 38. This is only the sixth time in the past 28 years that the minimum temperature stayed above the freezing mark for April. April had 14 days with measurable precipitation, which ties the 28-year record for the most precipitation days in April. On April 20th and 21st 3.07 inches or 55% of the month's rainfall occurred of which 2.59 inches of this rainfall fell in a 24 hour period which also set the April record for a 24-hour period. The previous April record was on April 14th and 15th 2007 when 2.57 inches occurred in 24 hours. (Records since June 1996) It was also the third cloudiest April on record in the past 28 years. The highest temperature range for the month was 42 a new April record on the 18th from a low of 47 to a high of 89. This is also the highest daily temperature range recorded since January 19, 1996 when 44 was recorded; that is the 28-year record for this station for any month. The total frozen precipitation for April was only a trace from a little sleet mixed with rain on April 3rd. The maximum wind gust of 33 mph from the south was recorded on the 11th at 2217 hours. April DAILY Records Tied or Broken- (28-Years of records): 4 HIGH maximum temperature: 1, 10, 11, 18; 3 HIGH minimum temperature: 5, 11, 12; 2 HIGH range temperature: 17, 18; 2 LOW range temperature: 21, 27; 2 HIGH precipitation: 3, 20. " [ + + ] 

    Arlington - From NWS WBC come these notes: " APRIL 2008 CONTINUED THE TREND OF ABOVE NORMAL MONTHLY TEMPERATURES. OVER THE LAST TWELVE MONTHS EVERY MONTHLY AVERAGE TEMPERATURE HAS BEEN ABOVE NORMAL. THE LAST MONTH OF BELOW NORMAL TEMPERATURES WAS APRIL 2007. THIS IS THE SECOND LONGEST STRETCH OF ABOVE NORMAL TEMPERATURES DATING BACK TO 1872. THE LONGEST STRETCH WITH ABOVE NORMAL MONTHLY TEMPERATURES WAS NINETEEN MONTHS SPANNING FROM OCTOBER 1990 THROUGH APRIL 1992. APRIL 2008 PRECIPITATION WAS ABOVE NORMAL. NO SNOW WAS REPORTED AT DCA IN APRIL. SNOWFALL FOR THE ENTIRE SEASON TOTALED ONLY 4.9 INCHES ...WELL BELOW THE NORMAL OF 15.2 INCHES. " [ + + ] 

    Bridgewater - " The heavy rains at the end of the month has brought the yearly average to near normal. The ponds and rivers are beginning to recover from the long dry spell. The snowfall for the winter was only 6.3 inches, which was much below normal. We usually get around 22 inches. It was a boring winter! We had 2 thunderstorms during the month. " - [ + + ] - notes from Clayton

    Centreville - Paul sends these notes: " Check the oarlocks guys; this is going to be a wet one. Entering the month of April, as we usually do right after March, a noticeable rain deficit of 3.02" was all too apparent. With a fairly consistent distribution of moisture for April though, we were able to welcome May with a slight surplus. Yeah, 0.09" is slight, but I'll take it... With 6.37" on the ground by the end of April, May flowers are a sure bet. Temperatures for April came in on the warm side with the monthly average 4.0 above the published 52.7 mark. The average high worked out at 66.5, just 1.3 over the normal, and two days recording a monthly maximum of 88; still pretty far away from the all time high of 93 set back in 1990. In the low department, we had a pair of 33's on the 4th and 16th; still a good distance away from a record low of 17 set back in 1985. Naturally the average low temperature made the headlines with 47.0 in the books; 6.8 below the 40.0 average low; the greatest deviation so far this year. Precipitation was a big player in typically sunny Centreville for April. Our 3.44" monthly average was exceeded by 2.93" yielding 6.37" for the month, which works out to 185% of normal. The greatest 24-hour amount was tallied on April 20th and 21st when 3.61" (3.97" for the full rain event) fell and accounted for 61% of our monthly total. Since August 2006 we have faced the new month with a rain deficit; not so for May 2008 with 0.09" showing in the surplus column. Pleasant sailing mates! " - [ + + ] - notes from Paul

    Chantilly - Russ Topping reports: " Mild with a big rain event, to double our average rainfall. The average temperature was 2.9 above normal. Record high minimum temperatures occurred on the 11th (55.7) and 21st (55.1). Snowfall for the month was 0.4" below average, with no trace. Total snowfall for the season was 7.9". A trace of sleet fell on the 3rd. The last whimper of the winter of 2007-8. Record precipitation fell on the 3rd (0.73") and we had a tie for the record on the 20th (2.66"). Thunderstorms rumbled through on the 11th, 20th and 21st. Dense fog was observed on the 10th. *Please note, anemometer is currently partially obstructed from the southeast " - [ + +]

    Dulles - from NWS Sterling (KLWX) come these notes: " APRIL 2008 CONTINUED THE TREND OF ABOVE NORMAL MONTHLY TEMPERATURES. OVER THE LAST TWELVE MONTHS EVERY MONTHLY AVERAGE TEMPERATURE HAS BEEN ABOVE NORMAL. THE LAST MONTH OF BELOW NORMAL TEMPERATURES WAS APRIL 2007. THIS IS THE SECOND LONGEST STRETCH OF ABOVE NORMAL TEMPERATURES DATING BACK TO 1963. THE LONGEST STRETCH WITH ABOVE NORMAL MONTHLY TEMPERATURES WAS THIRTEEN MONTHS SPANNING FROM OCTOBER 1990 THROUGH OCTOBER 1991. APRIL 2008 PRECIPITATION WAS WELL ABOVE NORMAL WITH 6.22 INCHES OF RAIN RECORDED. THIS IS THE THIRD WETTEST APRIL DATING BACK TO 1963. NO SNOW FELL AT IAD THIS MONTH KEEPING THE SEASONAL TOTAL AT 6.5 INCHES...WELL BELOW THE NORMAL OF 21.2 INCHES. " - [ + + ]

    Falls Church - from Windie in Falls Church: " April 2008 was a very wet month...a storm system on the 20th and 21st brought over 4 inches of rain to my area. My first 80-degree day occurred this month on the 11th . A system on the 3rd brought a brief period of sleet only amounting to a trace. " - [ M + ]

    Herndon - Randy reports: " April was slightly above normal in temperature, and well above normal in precipitation. The precipitation fell on and off the entire month. One half of total rain fell between on the 20th and 21st when showers and thundershowers brought over 3.6 inches of rain. We received no snow during the month, but we did see some sleet on the 3rd. The total precip for the month was 6.33 inches which was over 3.6 inches above normal. For the year we have had 14.28 inches which is now one inch above normal. This is the first time we have been above normal in annual precipitation since Dec 06. As for the temperatures, the average high was about one degree below normal and low was slightly more than 1 degree above normal. The warm temperatures and frequent rainfall during the month has really brought out the spring flowers in all of their colors and I have to mow my grass more than once a week. " - [ + + ]

    Ladysmith - Danny reports: " April temperatures finished slightly above normal, making it the 10th out of the last 12 months with above normal temperatures. Precipitation finished well above normal for just the 3rd time in the last 17 months, with the greatest differential above normal since November 2006. " - [ + + ]

    New Market - Joy reports: " 2 record highs set on the 11th and 12th. " - [ + + ]

    Norfolk - NWS AKQ makes these notes: "APRIL 2008 RANKS AS THE 10TH WETTEST ON RECORD AT NORFOLK. THE WETTEST APRIL ON RECORD WAS APRIL 1889...WHEN 11.87 INCHES OF PRECIPITATION FELL. " - [ + + ] 

    Portsmouth - " The recent month-to-month trend continues with a milder and wetter than normal April with the average temp 0.7 above normal. Rainfall was well ABOVE normal (only 158% of normal) by 2.03" Rainfall for the year-to-date is 12.65" which is 1.67" BELOW normal (88% of normal) STATION RECORDS: 12th - TEMPERATURE - Maximum Minimum 62 [previous 58 2001]; 12th - WIND - 38 mph [previous 33 mph 1988; 14th - TEMPERATURE - Minimum Maximum 52 [previous 54 1988]; 21st - RAINFALL - 1.89" [previous 0.66" 1993]. " - [ + + ] 

    Richmond - NWS AKQ reports these additional notes: " APRIL 2008 RANKS AS THE 3RD WETTEST APRIL ON RECORD. THE WETTEST APRIL ON RECORD WAS APRIL 1889...WHEN 8.89 INCHES OF PRECIPITATION FELL. IN ADDITION...THE 2-DAY PERIOD FROM APRIL 20TH TO 21ST WAS THE SECOND WETTEST APRIL 2 DAY PERIOD ON RECORD. THE 4.81 INCHES OF RAIN THAT FELL IN THOSE 2 DAYS WAS EXCEEDED ONLY BY THE APRIL 17TH AND 18TH 1910 PERIOD...WHEN 5.52 INCHES OF RAIN FELL. " - [ + + ] 

    Woodstock - Lauck sends these year-end notes: " "

    North Carolina:

    Greensboro - NWS Raleigh (RAH) reports: " ...CLIMATE RECORDS FOR THE MONTH OF APRIL 2008... 20TH... 0.97" OF PRECIPITATION BROKE THE OLD RECORD OF 0.51"... SET IN 1935. The above normal April temperatures at both Raleigh and Greensboro continued the trend of warmer than normal monthly temperatures since August 2007. At RDU, eight of the past nine months have been warmer than the 30-year statistical normal. Only November 2007 had temperatures that were slightly below normal. GSO has had nine straight warmer than normal months. Thirteen of the past fourteen months have been warmer than normal at RDU, and twelve of the past fourteen months have been warmer than normal at GSO The April 2008 North Carolina Weather Review is located here: http://www.erh.noaa.gov/rah/ncsummaries/MonthlySummary.Apr.2008.doc [when available]. " - [ + + ]

    Raleigh - Bob sends these additional notes: " Warmest day so far with 86 degrees on the 18th and the 26th. Last freeze of the season (29 degrees) occurred on April 16th. There was no severe weather observed, however thunderstorms were observed on four days. " - [ + + ]

    Raleigh - NWS Raleigh (RAH) reports: " ...CLIMATE RECORDS FOR THE MONTH OF APRIL... 5TH...LOW OF 60 BROKE THE RECORD OF WARMEST LOW OF 58... SET IN 1985. 20TH...0.43" OF PRECIPITATION BROKE THE OLD RECORD OF 0.39"... SET IN 1982. 27TH... LOW OF 63 TIED THE RECORD OF WARMEST LOW... PREVIOUSLY SET IN 2007/1954. The above normal April temperatures at both Raleigh and Greensboro continued the trend of warmer than normal monthly temperatures since August 2007. At RDU, eight of the past nine months have been warmer than the 30-year statistical normal. Only November 2007 had temperatures that were slightly below normal. GSO has had nine straight warmer than normal months. Thirteen of the past fourteen months have been warmer than normal at RDU, and twelve of the past fourteen months have been warmer than normal at GSO Above normal rainfall continued throughout much of central North Carolina in April 2008. Extreme to exceptional drought conditions continued to lessen and reservoirs began to fill. Temperatures were generally slightly above normal. There were several periods of significant rains across North Carolina during April. These rain events were spaced rather evenly throughout the month, with the heaviest rainfall totals coming on or around April 3-6, April 12-13, April 19-23, and April 27-28. The April rainfall totals generally ranged between 4 and 8 inches across the majority of the state, lowering to between 2 and 4 inches over the southwestern Mountains. These totals were generally 1 to 3 inches above normal over most of the state, except near to slightly below normal over the southwest. Those areas greatly benefiting from the above normal rainfall in April included Greensboro, which totaled 5.45 inches of rain (2.02 inches above normal), and Durham, which totaled 7.27 inches of rainfall (nearly 4 inches above normal). The southwestern Mountains and the southern Coastal Area were the driest areas in the state, where the majority of locations reported below normal rainfall totals. These locations included Cherokee, Asheville, and Wilmington. Cherokee reported 2.17 inches, which was about 1.5 inches below normal. April 2008 average monthly temperatures generally turned out to be very near the 30-year normal. Charlotte and Elizabeth City averaged slightly below normal, while the majority of the official reporting sites averaged slightly above normal. In central North Carolina, Raleigh-Durham (RDU) averaged 60.3 degrees for April 2008, which was 1.2 degrees above normal. There were no daily record temperatures set this month at RDU. Greensboro (GSO) averaged 57.6 degrees in April, which was 0.5 degrees above normal. There was no daily record temperatures set this month at GSO. A late season frost/freeze event occurred across portions of the Sandhills and Coastal Plain on April 16, 2008. The April 2008 North Carolina Weather Review is located here: http://www.erh.noaa.gov/rah/ncsummaries/MonthlySummary.Apr.2008.doc [when available]. " - [ + + ]

    Nearby Cities:

    Tri-Cities - NWS Morristown, TN (MRX) reports: " Tri-Cities received 2.84 inches of rain in April, which was 0.39 inches below normal. It ranked as the 27th driest April on record at Tri-Cities. Measurable rain occurred on only ten days, and only four of those days had more than one-quarter of an inch. The heaviest rain fell on the 5th, when 0.71 inches of rain was reported. The driest April of the 71 years of observations taken at Tri-Cities, was back in 1976 when only 0.21 inches was recorded. The monthly-averaged temperature at Tri-Cities was 56.0 degrees, which was 1.4 degrees above normal. It ranked in the middle one-third of observations taken in April at Tri-Cities. A low temperature record was tied on the 16th when the overnight low dipped to 27 degrees, tying the previous record set in 1950. In addition, a low temperature record was broken on the last day of the month when the thermometer reading fell to 30 degrees, breaking the previous record of 30 degrees set in 1964. The warmest April at Tri-Cities was back in 1954, when the average temperature was 61.8 degrees. " - [ + - ]



    COLUMN DENOTATIONS:

    A  maximum mean temperature T total precipitation (inches)
    T1 departure from normal
    B  minimum mean temperature U maximum calendar day precipitation (inches)
    C  monthly mean temperature
    C1 departure from normal
    U1 date of maximum calendar day precipitation
    D  maximum temperature V date(s) of maximum daily precipitation
    E  date(s) of maximum temperature V1 maximum 24-hour precip. & date(s)
    F  minimum temperature W number of days with precip. >= .01"
    G  date(s) of minimum temperature  X number of days with precip. >= 1.0"
    H  days with maximum temperature >=90 Y year-to-date precipitation (inches)
    I  days with maximum temperature <=32 Z maximum calendar day snowfall (inches)
    J  days with minimum temperature <=32 VRB Variable
    K  days with minimum temperature <= 0 1 date of maximum calendar day snowfall (inches)
    K1 average relative humidity 2 number of days with snowfall
    L  peak wind gust (miles per hour)  3 number of days with snowfall >= 1.0"
    M  direction of peak wind gust 4  total snowfall for month (inches)
    N  date(s) of peak wind gust  5 total snowfall for 2007-2008 season (inches)
    N1   average wind speed (miles per hour) 6 maximum barometric pressure (inches)
    N2 dominant wind direction 6A date of maximum barometric pressure
    O  number of days with thunder  7 minimum barometric pressure (inches)
    P  number of days with hail 7A date of minimum barometric pressure
    Q  number of days with glaze 8   average sea-level pressure
    R  number of days with ice pellets STN  Station
    R2 sky cover percentage NR not recorded
    R1 number of days with dense fog [1/4 mile and less visibility] (i) incomplete data
    S  local observation time for temps/precipitation (M) missing, if listed in data table
     ~ "about" E estimated
     +  additional indeterminate number of days CWA - NWS Office County Warning Area


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    STATION / LOCATION (MILES & DIRECTION FROM MAIN POST OFFICE)/OBSERVER / YEAR RECORDS BEGAN / EMAIL ADDRESS:

      
      ROK   Roanoke, VA 6SW Wendell Prillaman  4/76 wlprillaman@cox.net
    ANN    Annandale, VA 1 3/4 ENE - Lowell Koontz  8/31/79  wwkoontz@verizon.net AKQ    Wakefield, VA NWS Wakefield Municipal Airport 36-58-53N 077-00-04W 33M
    DCA    Arlington, VA Washington, DC, Reagan Washington National Airport 38-50-54N 077-02-03W 18M WSH   Washington, VA  David Yowell runamok@runamok.com
    BCB    Blacksburg, VA NWS Virginia Tech Airport 37-13N 080-25W   
    BRI     Bridgewater, VA Clayton Towers Ctowers@rica.net WOO  Woodstock, VA 5NW Lauck Walton - 12/1/85 jwalton@shentel.net
    CEN  Centreville, VA Paul Bassett 1985, 38 50.9788' N LAT. 77 25.6374' W LON. | Elevation 324' | m.psb@verizon.net LDY Ladysmith, VA Danny Jessee 2003 danny@dannyjessee.com
       WAL   Wallops Island, VA 37 56'26" N 75 27'47" W Wallops Flight Facility Airport
    CHO   Charlottesville, VA  Charlottesville-Albemarle Airport ASOS  (Rappahannock County) 38-08-18N 078-27-21W 192M AVL    Asheville, NC  Asheville Regional Airport 35-25-55N 082-32-15W 670M
      MRH    Beaufort, NC  Michael J. Field Airport 34-44-01N 076-39-38W 3M
    DAN  Danville, VA, Danville Regional Airport, 36-34-22N 079-20-10W 175M  CLT    Charlotte, NC NWS Charlotte/Douglas International Airpot 35-12-48N 080-56-55W 220M
    IAD   Dulles - Washington-Dulles International Airport  38-56-05N 077-26-51W 93M  SSB    Sunset Beach, NC   33.9 N 78.5 W  Tom Myers
    FCH    Falls Church, VA Erica Page - 3/7/94 Windie1970@aol.com HKY  Hickory, NC 
    HAM    Hampton, VA 5NE Dave Kessel 1989 david82@verizon.net ECG  Elizabeth City, NC,  Coast Guard Air Station 36-15-47N 076-10-58W 11M
    CTR  Winterpock in Chesterfield County, VA Albert Arnold 06/03 FAY  Fayetteville, NC Fayetteville Regional Airport, 34-59-22N 078-52-48W 55M
      GSO   Greensboro, NC NWS Piedmont Triad International Airport 36-05-51N 079-56-37W 275M
    CHT   Chantilly, VA Russ Topping -  12/2006  russ.topping@gmail.com - new location December 2006 HSE    Cape Hatteras, NC  Mitchell Field 35-13-56N 075-27-21W 3M
    HDV    Herndon, VA  Randoplh W. Ashby, 3.3 SM South, Lat: 38.922127, Lon: -77.38015, Elev: 390'. Randolph_Ashby@Raytheon.com LBT    Lumberton, NC  Lumberton Municipal Airport 34-36-26N 079-03-36W 37M
       EWN    New Bern, NC  Craven County Regional Airport 36-04-03N 077-02-50W 3M
    FRV     Front Royal, VA  Michael Perritt -  04/08 snowyat9@yahoo.com RAL    Raleigh, NC 7NNW  Bob Woodson -  6/1/93 kf4mmm@qsl.net
    LKU     Louisa, VA 1N Joseph Bowers 1944 - NWS ID  44-5050-02jmbiii@earthlink.net RDU   Raleigh-Durham, NC Raleigh-Durham International Airport 35-52-14N 078-47-11W 130M
    LOU     Louisa, VA 6S John Bullock (about 1970) INACTIVE 1/1/02 - MEMBER DECEASED FALL 2004 ROX    Roxboro, NC 2SE Merriell A. Jay 1/93
    LYH     Lynchburg, VA NWS Lynchburg Regional Airport 37-19-15N 079-12-24W 295M ILM     Wilmington, NC NWS New Hanover International Airport 34-16-06N 077-54-22W 9M
    NEW    Newmarket, VA 2W Joyce Winfree joywood@shentel.net CHS   Charleston, SC NWS Charleston Air Force Base 32-53-56N 080-02-26W 13M
    NPN     Newport News, VA 7N Gary Leonard -  6/91 GaryMLeonard@aol.com CAE    Columbia, SC NWS Columbia Metropolitan Airport 33-56-31N 081-07-05W 73M 
    NOR     Norfolk, VA 3NE Jim Fentress 6/1/77 FLO    Florence, SC Florence Regional Airport 34-11-16N 079-43-51W 44M
    ORF     Norfolk, VA 5NE 36-54-13N 076-11-31W 14M  1871 GSP   Greenville-Spartanburg, SC NWS Greenville-Spartanburg Airport 34-53-02N 082-13-15W 286M 
    POR     Portsmouth, VA 36.81° North 76.33° West 3S Bill Trotter -  7/1/76 wxr@cox.net CRE    North Myrtle Beach, SC Grand Strand Airport 33-48-42N 078-43-26W 10M
    MEC     Mechanicsville, VA Glen Martin 11/19/91 OGB   Orangeburg, SC  Orangeburg Municipal Airport 33-27-50N 080-51-13W 59M
    FHC    Norfolk, VA  Fred Heutte Center 36° 54'N 76° 16'W 01/01/03 fhcgarden@cox.net AND   Anderson, SC 
    RIC     Richmond, VA Richmond International Airport 37-30-40N 077-19-24W 50M TRI     Tri-cities, TN  (Bristol / Johnson / Kingsport), Tri-City Regional Airport 36-28-47N 082-23-56W 474M 
    ROA    Roanoke, VA Roanoke Regional Airport 37-19-01N 079-58-27W 362M DAV  Davis, WV Dave Lesher canaanwx@canaantv.tv