For the WSP (wind speeds) indicated in columns 8 & 9 (from left), make the following adjustments: add 5 miles per hour to wind speeds shown between 0 and 35 miles per hour add 10 miles per hour to wind speeds shown between 36 and 49 miles per hour add 20 miles per hour to wind speeds shown 50 miles per hour and above Example: According the the adjustment table above, the storm winds at 5:08 PM would read: winds steady at 27 mph gusting to 70 mph from the SW (southwest) Columns legend follows the observations table. -------------------------------------------------------------------------- SUMMARY OF EAST COAST STORM OF MARCH 13-14, 1993 Portsmouth Weather Records Service Portsmouth, Virginia 23702-2017 -------------------------------------------------------------------------- DATE TIME TEMP HTEMP LTEMP BAROM RH% WSP GUST DIR PREC NOTES -------------------------------------------------------------------------- 3-13 12:00am 36.0 36.3 35.9 30.03 89 4.0 11.0 ENE 0.01 Very 3-13 12:30am 36.6 36.7 36.2 30.01 87 4.0 13.0 ENE 0.00 light 3-13 1:00am 36.5 36.8 36.4 29.98 91 4.0 12.0 ENE 0.02 snow, 3-13 1:30am 36.4 36.6 36.3 29.94 92 5.0 13.0 ENE 0.01 sleet, 3-13 2:00am 36.5 36.6 36.4 29.91 93 5.0 15.0 ENE 0.01 & rain 3-13 2:30am 36.6 36.7 36.4 29.86 96 5.0 16.0 ENE 0.06 mixed 3-13 3:00am 36.7 37.0 36.5 29.82 97 5.0 13.0 ENE 0.03 ------- 3-13 3:30am 37.2 37.6 36.9 29.79 98 5.0 15.0 ENE 0.00 3-13 4:00am 38.0 38.4 37.5 29.75 98 5.0 11.0 ENE 0.01 Rain 3-13 4:30am 38.7 39.1 38.3 29.72 99 5.0 14.0 ENE 0.07 and 3-13 5:00am 39.2 39.5 39.0 29.65 100 6.0 19.0 ENE 0.09 showers 3-13 5:30am 39.7 40.1 39.4 29.62 100 6.0 17.0 ENE 0.01 prevail 3-13 6:00am 40.3 40.6 40.0 29.56 100 5.0 16.0 NE 0.00 through 3-13 6:30am 40.9 41.4 40.5 29.49 100 6.0 14.0 NE 0.03 early 3-13 7:00am 41.6 42.0 41.3 29.45 100 6.0 17.0 NE 0.03 after- 3-13 7:30am 42.2 42.7 41.8 29.38 100 5.0 15.0 NE 0.00 noon, 3-13 8:00am 43.0 43.4 42.4 29.33 100 4.0 13.0 NE 0.09 heavy 3-13 8:30am 43.7 44.2 43.2 29.25 100 4.0 11.0 NE 0.35 at 3-13 9:00am 44.8 45.5 44.1 29.16 100 4.0 10.0 NE 0.25 times 3-13 9:30am 46.7 49.3 45.5 29.09 100 2.0 10.0 NE 0.17 3-13 9:45am 51.5 53.6 49.3 29.09 100 6.0 16.0 SSE 0.12 3-13 9:50am 54.0 54.4 53.5 29.08 100 9.0 17.0 SSE 0.01 3-13 9:55am 54.8 55.3 54.4 29.06 100 9.0 19.0 SSE 0.01 3-13 10:00am 55.4 55.6 55.2 29.06 100 8.0 13.0 SSE 0.01 3-13 10:05am 55.7 56.0 55.5 29.06 100 8.0 16.0 S 0.01 3-13 10:10am 56.2 56.4 55.9 29.06 100 8.0 16.0 S 0.02 3-13 10:15am 56.7 56.9 56.5 29.05 100 6.0 12.0 S 0.01 3-13 10:20am 57.0 57.2 56.9 29.05 100 6.0 11.0 S 0.02 3-13 10:25am 57.3 57.5 57.2 29.03 100 7.0 15.0 S 0.02 3-13 10:30am 57.6 57.8 57.4 29.03 100 9.0 17.0 SSW 0.02 3-13 10:35am 57.9 58.0 57.8 29.01 100 7.0 13.0 SSW 0.01 3-13 10:40am 58.0 58.1 58.0 29.00 100 6.0 14.0 SSW 0.01 3-13 10:45am 58.0 58.1 57.9 28.99 100 5.0 10.0 SSW 0.01 3-13 10:50am 58.0 58.0 57.9 28.99 100 5.0 9.0 SW 0.01 3-13 10:55am 57.9 58.0 57.8 28.98 100 4.0 8.0 SSW 0.01 3-13 11:00am 57.8 57.9 57.7 28.97 100 4.0 9.0 SW 0.02 3-13 11:05am 57.8 57.8 57.7 28.97 100 3.0 8.0 SSW 0.01 3-13 11:10am 57.7 57.8 57.6 28.95 100 3.0 6.0 S 0.01 3-13 11:15am 57.7 57.8 57.6 28.94 100 3.0 5.0 S 0.01 3-13 11:20am 57.6 57.8 57.5 28.91 100 2.0 5.0 SSW 0.00 3-13 11:25am 57.6 57.7 57.4 28.91 100 2.0 5.0 S 0.00 3-13 11:30am 57.5 57.7 57.4 28.89 100 1.0 3.0 S 0.01 3-13 11:35am 57.5 57.6 57.4 28.89 100 2.0 4.0 S 0.01 3-13 11:40am 57.5 57.6 57.4 28.86 100 2.0 4.0 SSE 0.02 3-13 11:45am 57.4 57.5 57.3 28.85 100 1.0 2.0 SSE 0.03 3-13 11:50am 57.4 57.5 57.3 28.84 100 1.0 3.0 SSE 0.04 3-13 11:55am 57.3 57.4 57.2 28.81 100 1.0 2.0 SE 0.04 3-13 12:00pm 57.2 57.4 57.0 28.81 100 1.0 4.0 SE 0.03 3-13 12:05pm 57.1 57.3 57.0 28.81 100 2.0 4.0 ESE 0.04 3-13 12:10pm 57.1 57.2 56.9 28.79 100 1.0 3.0 SE 0.05 3-13 12:15pm 57.0 57.1 56.9 28.78 100 1.0 5.0 ESE 0.03 3-13 12:20pm 57.0 57.2 56.9 28.77 100 1.0 3.0 ESE 0.02 3-13 12:25pm 57.1 57.2 56.9 28.75 100 1.0 5.0 E 0.02 3-13 12:30pm 57.1 57.2 57.0 28.75 100 2.0 7.0 ESE 0.01 3-13 12:35pm 57.2 57.3 57.1 28.74 100 2.0 5.0 SE 0.03 3-13 12:40pm 57.2 57.3 57.1 28.73 100 3.0 7.0 SE 0.01 3-13 12:45pm 57.2 57.3 57.1 28.74 100 3.0 9.0 SSE 0.02 3-13 12:50pm 57.2 57.3 57.0 28.74 100 3.0 5.0 SSE 0.04 3-13 12:55pm 57.1 57.2 56.9 28.73 100 4.0 7.0 SSE 0.04 3-13 1:00pm 56.9 57.2 56.7 28.71 100 5.0 10.0 SE 0.02 3-13 1:05pm 56.8 56.9 56.6 28.70 100 5.0 9.0 SSE 0.00 3-13 1:10pm 56.7 56.9 56.5 28.68 100 7.0 13.0 SE 0.00 3-13 1:15pm 56.7 56.8 56.5 28.67 100 5.0 11.0 SSE 0.00 3-13 1:30pm 56.8 57.1 56.6 28.64 100 5.0 15.0 SSE 0.01 3-13 2:00pm 57.7 58.5 56.9 28.62 100 8.0 21.0 SSE 0.00 3-13 2:15pm 60.1 60.2 60.0 28.60 100 10.0 19.0 SSE 0.00 As the 3-13 2:20pm 60.8 60.9 60.7 28.59 100 9.0 16.0 S 0.00 center 3-13 2:25pm 61.6 61.7 61.5 28.59 100 10.0 18.0 S 0.00 of the 3-13 2:30pm 62.3 62.3 62.2 28.58 99 11.0 19.0 SSW 0.00 storm 3-13 2:35pm 63.0 63.1 62.8 28.58 82 22.0 33.0 SSW 0.00 moves 3-13 2:41pm 63.4 63.5 63.3 28.58 77 14.0 29.0 SSW 0.00 just to 3-13 2:45pm 63.6 63.7 63.5 28.58 72 16.0 27.0 SW 0.00 the west 3-13 2:50pm 64.0 64.1 64.0 28.58 72 12.0 32.0 SSW 0.00 of this 3-13 2:55pm 64.5 64.6 64.3 28.58 69 16.0 30.0 SSW 0.00 site, 3-13 3:00pm 64.1 64.1 64.1 28.57 67 12.0 20.0 SW 0.00 notice 3-13 3:05pm 64.0 64.1 63.7 28.57 65 12.0 25.0 SSW 0.00 the temp 3-13 3:10pm 64.2 64.2 64.0 28.57 63 18.0 30.0 SW 0.00 increase 3-13 3:15pm 64.2 64.3 64.0 28.56 63 20.0 30.0 SSW 0.00 with 3-13 3:20pm 64.0 64.1 63.9 28.56 58 15.0 29.0 SW 0.00 clearing 3-13 3:25pm 63.7 64.0 63.6 28.57 58 15.0 29.0 SSW 0.00 to scat- 3-13 3:30pm 62.8 62.9 62.6 28.57 57 14.0 19.0 SSW 0.00 tered 3-13 3:35pm 62.3 62.4 62.2 28.56 58 12.0 17.0 SW 0.00 clouds. 3-13 3:41pm 61.9 62.0 61.9 28.55 58 13.0 28.0 SSW 0.00 3-13 3:45pm 61.6 61.6 61.5 28.55 55 16.0 27.0 SSW 0.00 3-13 3:50pm 60.9 60.9 60.8 28.54 54 14.0 20.0 SSW 0.00 3-13 3:55pm 60.4 60.5 60.3 28.54 55 11.0 21.0 SSW 0.00 3-13 4:00pm 60.0 60.1 60.0 28.55 54 14.0 20.0 SSW 0.00 Low 3-13 4:05pm 59.7 59.7 59.7 28.54 54 11.0 18.0 SSW 0.00 pulls 3-13 4:10pm 59.4 59.4 59.3 28.54 54 16.0 34.0 S 0.00 north; 3-13 4:15pm 58.7 58.8 58.6 28.53 54 12.0 28.0 SSW 0.00 clouds 3-13 4:20pm 58.1 58.2 58.0 28.53 55 13.0 20.0 SSW 0.00 return, 3-13 4:25pm 57.5 57.6 57.4 28.54 55 12.0 18.0 SSW 0.00 temps 3-13 4:30pm 56.8 56.8 56.7 28.54 56 15.0 29.0 SSW 0.00 fall 3-13 4:35pm 56.0 56.1 55.8 28.55 57 13.0 20.0 SSW 0.00 wind 3-13 4:40pm 55.2 55.3 55.2 28.55 58 11.0 21.0 SSW 0.00 gust 3-13 4:45pm 54.5 54.5 54.5 28.56 59 12.0 17.0 SSW 0.00 reaches 3-13 4:50pm 53.7 53.7 53.6 28.56 56 10.0 18.0 SSW 0.00 70 mph 3-13 4:55pm 52.8 52.9 52.8 28.57 56 22.0 32.0 SW 0.00 at 3-13 5:00pm 52.1 52.1 52.0 28.57 58 15.0 22.0 SSW 0.00 5:08 PM. 3-13 5:01pm 51.9 52.0 51.8 28.58 58 14.0 22.0 SSW 0.00 3-13 5:02pm 51.7 51.7 51.6 28.58 59 13.0 18.0 SW 0.00 Barome- 3-13 5:03pm 51.5 51.6 51.4 28.58 58 18.0 35.0 SW 0.00 ter bot- 3-13 5:04pm 51.4 51.4 51.3 28.58 58 15.0 28.0 SW 0.00 toms-out 3-13 5:05pm 51.2 51.3 51.0 28.58 57 19.0 28.0 SW 0.00 at 28.52 3-13 5:06pm 51.0 51.1 50.9 28.58 57 21.0 28.0 SW 0.00 inches 3-13 5:07pm 50.8 50.9 50.7 28.58 57 20.0 29.0 SW 0.00 at 3-13 5:08pm 50.7 50.8 50.6 28.58 56 22.0 50.0 SW 0.00 4:17 PM. 3-13 5:09pm 50.5 50.6 50.4 28.58 56 18.0 26.0 SW 0.00 3-13 5:10pm 50.3 50.4 50.2 28.59 56 16.0 24.0 SW 0.00 3-13 5:11pm 50.2 50.2 50.2 28.58 56 15.0 26.0 SW 0.00 3-13 5:12pm 50.1 50.2 50.0 28.58 57 12.0 21.0 SSW 0.00 3-13 5:14pm 49.9 50.0 49.8 28.59 56 19.0 32.0 SW 0.00 3-13 5:15pm 49.8 49.8 49.7 28.59 56 21.0 35.0 SW 0.00 3-13 5:16pm 49.7 49.7 49.5 28.59 56 20.0 41.0 SW 0.00 3-13 5:17pm 49.5 49.6 49.5 28.59 56 17.0 26.0 SW 0.00 3-13 5:18pm 49.5 49.5 49.4 28.59 56 17.0 31.0 SW 0.00 3-13 5:19pm 49.3 49.4 49.3 28.60 57 18.0 32.0 SW 0.00 3-13 5:20pm 49.2 49.3 49.2 28.60 57 17.0 30.0 SW 0.00 3-13 5:21pm 49.1 49.2 49.0 28.59 57 20.0 35.0 SW 0.00 3-13 5:22pm 49.0 49.1 48.9 28.60 57 14.0 23.0 SW 0.00 3-13 5:23pm 49.0 49.0 48.9 28.59 57 16.0 32.0 SW 0.00 3-13 5:24pm 48.8 48.9 48.7 28.60 57 17.0 24.0 SW 0.00 3-13 5:25pm 48.7 48.8 48.7 28.59 57 19.0 26.0 SW 0.00 3-13 5:26pm 48.6 48.7 48.5 28.60 57 19.0 34.0 SW 0.00 3-13 5:27pm 48.6 48.6 48.5 28.59 58 11.0 15.0 SSW 0.00 3-13 5:28pm 48.5 48.6 48.4 28.59 58 11.0 18.0 SW 0.00 3-13 5:29pm 48.4 48.5 48.4 28.60 58 10.0 17.0 SW 0.00 3-13 5:30pm 48.5 48.5 48.4 28.60 58 14.0 19.0 SW 0.00 3-13 5:35pm 48.1 48.2 48.1 28.59 59 17.0 29.0 SW 0.00 3-13 5:40pm 47.9 48.0 47.8 28.60 59 10.0 14.0 SW 0.00 3-13 5:45pm 47.6 47.7 47.5 28.60 59 11.0 22.0 SW 0.00 3-13 5:51pm 47.4 47.4 47.3 28.60 60 12.0 21.0 SSW 0.00 3-13 5:56pm 47.1 47.1 47.0 28.60 59 12.0 21.0 SW 0.00 3-13 6:01pm 46.8 46.9 46.8 28.60 56 23.0 35.0 SW 0.00 3-13 6:07pm 46.7 46.7 46.6 28.61 56 12.0 18.0 SW 0.00 3-13 6:10pm 46.5 46.6 46.4 28.61 55 15.0 27.0 SW 0.00 3-13 6:15pm 46.3 46.3 46.2 28.60 54 17.0 27.0 SW 0.00 3-13 6:20pm 46.0 46.1 45.9 28.61 54 17.0 33.0 SW 0.00 3-13 6:25pm 45.7 45.7 45.6 28.62 53 14.0 19.0 SW 0.00 3-13 6:30pm 45.4 45.4 45.3 28.62 54 15.0 22.0 SW 0.00 3-13 6:35pm 45.0 45.1 44.9 28.62 54 11.0 18.0 SW 0.00 3-13 6:40pm 44.7 44.8 44.6 28.62 54 14.0 21.0 SW 0.00 3-13 6:45pm 44.5 44.5 44.4 28.63 55 10.0 14.0 SW 0.00 3-13 6:50pm 44.2 44.3 44.2 28.62 56 14.0 25.0 SW 0.00 3-13 6:55pm 44.0 44.1 43.9 28.62 57 9.0 21.0 SW 0.00 3-13 7:00pm 43.8 43.8 43.7 28.63 58 12.0 23.0 SW 0.00 3-13 7:05pm 43.5 43.5 43.3 28.63 59 11.0 19.0 SW 0.00 3-13 7:10pm 43.1 43.2 43.0 28.63 60 11.0 24.0 SW 0.00 3-13 7:15pm 42.7 42.9 42.7 28.63 61 11.0 19.0 SW 0.00 3-13 7:20pm 42.5 42.6 42.4 28.63 61 16.0 20.0 SW 0.00 3-13 7:25pm 42.2 42.3 42.1 28.63 62 17.0 21.0 SW 0.00 3-13 7:30pm 42.0 42.1 41.9 28.63 64 13.0 19.0 SW 0.00 3-13 7:35pm 41.8 41.9 41.8 28.64 65 6.0 10.0 SW 0.00 3-13 7:40pm 41.6 41.6 41.5 28.64 66 14.0 25.0 SW 0.00 3-13 7:45pm 41.2 41.3 41.1 28.65 68 15.0 23.0 SW 0.00 3-13 7:50pm 40.9 41.0 40.8 28.65 70 11.0 23.0 SW 0.00 3-13 7:55pm 40.5 40.6 40.5 28.66 71 10.0 20.0 SW 0.00 Temp 3-13 8:00pm 40.4 40.4 40.3 28.66 72 11.0 15.0 SW 0.00 falls 3-13 8:05pm 40.2 40.3 40.2 28.66 72 7.0 13.0 SW 0.00 aloft 3-13 8:10pm 40.2 40.3 40.2 28.66 73 11.0 17.0 SW 0.00 and at 3-13 8:15pm 40.2 40.2 40.2 28.66 74 13.0 27.0 SW 0.00 surface; 3-13 8:20pm 40.1 40.2 40.1 28.67 74 10.0 13.0 SW 0.00 precip 3-13 8:30pm 40.1 40.2 40.0 28.68 75 9.0 18.0 SW 0.00 abruptly 3-13 9:00pm 39.2 40.1 36.4 28.79 77 11.0 29.0 SW 0.00 changes 3-13 9:30pm 34.3 36.4 32.6 28.85 81 12.0 36.0 W 0.00 to snow 3-13 10:00pm 32.4 32.8 32.2 28.89 88 8.0 23.0 W 0.00 3-13 10:30pm 32.1 32.4 31.9 28.95 90 9.0 22.0 W 0.00 3-13 11:00pm 31.7 32.0 31.5 28.98 83 10.0 26.0 W 0.00 3-13 11:30pm 30.7 31.6 29.2 29.04 96 9.0 23.0 W 0.00 Snow 3-14 12:00am 28.6 29.3 28.3 29.07 98 8.0 28.0 W 0.00 squalls 3-14 12:30am 28.5 28.8 28.3 29.10 97 7.0 24.0 W 0.00 leave 3-14 1:00am 28.4 28.7 28.2 29.14 89 10.0 26.0 W 0.00 1" on 3-14 1:30am 28.0 28.3 27.6 29.18 86 10.0 32.0 W 0.00 ground 3-14 2:00am 27.8 28.1 27.4 29.21 84 10.0 25.0 W 0.00 3-14 2:30am 27.4 27.8 26.9 29.26 81 10.0 29.0 W 0.00 Few 3-14 3:00am 27.1 27.3 26.8 29.30 76 10.0 31.0 W 0.00 flurries 3-14 3:30am 26.7 27.2 26.3 29.35 83 10.0 32.0 W 0.00 continue 3-14 4:00am 26.3 26.6 26.0 29.38 77 8.0 28.0 W 0.00 3-14 4:30am 26.6 27.0 26.1 29.42 67 9.0 30.0 W 0.00 Skies 3-14 5:00am 27.0 27.3 26.8 29.45 60 10.0 26.0 W 0.00 clear 3-14 5:30am 27.1 27.3 27.0 29.49 58 11.0 28.0 W 0.00 near 3-14 6:00am 27.1 27.4 26.9 29.54 55 11.0 38.0 W 0.00 sunrise 3-14 6:30am 27.1 27.3 27.0 29.59 53 9.0 28.0 W 0.00 with 3-14 7:00am 27.3 27.5 27.1 29.63 52 10.0 27.0 W 0.00 bitterly 3-14 7:30am 27.7 28.1 27.3 29.67 51 10.0 24.0 W 0.00 low 3-14 8:00am 28.1 28.4 27.9 29.71 50 10.0 28.0 W 0.00 wind 3-14 8:30am 28.7 29.0 28.3 29.74 47 11.0 31.0 W 0.00 chill 3-14 9:00am 29.4 30.1 28.8 29.77 46 8.0 21.0 W 0.00 temps 3-14 9:30am 30.1 30.4 29.7 29.79 42 11.0 29.0 W 0.00 to -10 3-14 10:00am 30.4 30.7 30.1 29.80 41 11.0 28.0 W 0.00 degrees 3-14 10:30am 31.3 32.0 30.5 29.82 41 9.0 29.0 W 0.00 3-14 11:00am 31.9 32.2 31.6 29.84 40 9.0 24.0 W 0.00 3-14 11:30am 32.5 33.1 31.9 29.84 39 10.0 25.0 W 0.00 3-14 12:00pm 32.9 33.2 32.5 29.85 38 9.0 20.0 W 0.00 3-14 12:30pm 33.9 34.7 33.0 29.87 35 10.0 28.0 W 0.00 3-14 1:00pm 34.6 35.0 34.2 29.87 33 10.0 27.0 W 0.00 3-14 1:30pm 35.1 36.0 34.3 29.88 32 9.0 25.0 W 0.00 3-14 2:00pm 35.5 36.2 34.9 29.90 32 8.0 22.0 W 0.00 3-14 3:00pm 35.0 35.2 34.8 29.93 29 9.0 25.0 WNW 0.00 3-14 3:30pm 34.3 35.1 33.7 29.95 32 7.0 19.0 W 0.00 3-14 4:00pm 35.0 35.3 34.5 29.96 29 8.0 19.0 WNW 0.00 3-14 4:30pm 34.4 34.7 33.9 29.98 28 8.0 21.0 W 0.00 3-14 5:00pm 34.0 34.3 33.5 29.99 30 6.0 18.0 WNW 0.00 3-14 5:30pm 33.1 33.7 32.5 30.01 27 7.0 21.0 W 0.00 3-14 6:00pm 32.0 32.5 31.5 30.04 26 6.0 17.0 NW 0.00 3-14 6:30pm 31.0 31.5 30.6 30.06 26 4.0 14.0 NW 0.00 3-14 7:00pm 30.3 30.6 29.9 30.09 29 4.0 14.0 WNW 0.00 3-14 7:30pm 29.8 30.1 29.3 30.11 29 5.0 17.0 W 0.00 3-14 8:00pm 29.4 29.7 29.0 30.15 29 5.0 15.0 WNW 0.00 3-14 8:30pm 29.0 29.2 28.8 30.17 27 4.0 14.0 WNW 0.00 3-14 9:00pm 28.7 28.9 28.5 30.19 27 4.0 12.0 WNW 0.00 3-14 9:30pm 28.3 28.6 28.0 30.22 29 4.0 11.0 WNW 0.00 3-14 10:00pm 27.6 28.1 27.2 30.24 33 2.0 7.0 WNW 0.00 3-14 10:30pm 27.1 27.3 26.7 30.26 33 2.0 9.0 WNW 0.00 3-14 11:00pm 26.6 27.0 26.3 30.27 35 2.0 7.0 WNW 0.00 3-14 11:30pm 26.1 26.4 25.7 30.29 38 2.0 7.0 W 0.00 ---------------------------------------------------------------------------- COLUMN DENOTATIONS: DATE Date BAROM Barometric pressure TIME Time (Eastern Standard) RH% Relative humidity TEMP Temperature at time of WSP Steady wind speed (mph) observation GUST Wind speed gust (mph) HTEMP High temperature during interval DIR Wind direction LTEMP Low temperature during interval PREC Precipitation during interval