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March 25 snow event obs


Ian

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29.8F / 9F at 8:45pm in Clarksburg after a high of 32.8F and a low of 18.4F. Ground that stayed mostly shady all day is frozen. Not your typical early spring day 'round here. Winds that were N all day switched to light SSW for the 3 hours leading up to sunset but have switched back to light NNW in the last hour.

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Check out the IAD soundings from 8PM.....wow, cold except for last 1,200 ft +/- BUT wet bulbs are well below freezing

 

LEV PRES  HGHT  TEMP  DEWP  RH  DD   WETB DIR SPD THETA THE-V THE-W THE-E   W

     mb     m     C     C    %   C     C  deg knt   K     K     K     K    g/kg

-------------------------------------------------------------------------------

SFC 1010    88   3.0 -16.0  23 19.0  -2.4   0   0 275.4 275.5 270.2 278.5  1.08

  1 1000   168   2.6 -16.4  23 19.0  -2.7  30   2 275.8 275.9 270.4 278.8  1.06

  2  925   791  -3.3 -18.3  30 15.0  -7.0 315   3 275.9 276.1 270.4 278.8  0.98

  3  870  1272  -7.9 -18.9  41 11.0 -10.4 275  14 276.0 276.2 270.5 278.9  0.99

  4  850  1452  -9.1 -20.1  40 11.0 -11.5 275  16 276.6 276.8 270.7 279.3  0.91

  5  792  1994 -13.5 -22.5  47  9.0 -15.2 270  24 277.6 277.7 271.1 279.9  0.79

  6  739  2518 -16.3 -32.3  24 16.0 -18.5 284  36 280.1 280.1 271.8 281.1  0.34

  7  730  2610 -16.1 -35.1  18 19.0 -18.6 288  38 281.3 281.3 272.3 282.1  0.26

  8  724  2673 -15.9 -31.9  24 16.0 -18.2 291  39 282.1 282.2 273.1 283.3  0.36

  9  703  2894 -16.9 -26.9  42 10.0 -18.6 295  41 283.4 283.5 274.2 285.3  0.60

 10  700  2926 -16.7 -25.7  46  9.0 -18.3 295  41 284.0 284.1 274.6 286.1  0.67

 11  694  2991 -16.3 -24.3  50  8.0 -17.8 293  42 285.1 285.3 275.3 287.5  0.77

 12  654  3435 -17.7 -24.7  54  7.0 -19.0 282  50 288.4 288.6 277.1 290.9  0.79

 13  636  3643 -18.9 -26.9  49  8.0 -20.3 289  55 289.4 289.5 277.4 291.5  0.66

 14  590  4198 -21.3 -38.3  20 17.0 -23.2 286  72 292.9 292.9 278.4 293.7  0.24

 15  552  4686 -23.7 -44.7  13 21.0 -25.6 288  76 295.7 295.7 279.6 296.1  0.13

 16  529  4995 -25.5 -45.5  14 20.0 -27.2 288  79 297.1 297.1 280.3 297.6  0.12

 17  500  5400 -29.1 -42.1  27 13.0 -30.2 280  84 297.6 297.6 280.6 298.2  0.19

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31/11

 

light southeasterly winds

 

hoping for a cartopping, but noon with that sun angle is gonna be really tough sledding

 

my prediction for Dale City is a half inch of slush on car tops, decks and maybe on grass to the north of sunlight blocking objects

 

roads and sidewalks will be wet - no stickage at all in Dale City

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I do realize the milder air will change the snow to rain later today, but nonetheless, our forecasted low was 28 and we have fallen to 25. Too bad we have a strong strong push of southeast winds overnight

 

I give my backyard about a 1 in 9999999999999999999 quintillion chance of a dusting

 

I am so excited about this historic snowstorm that I want to scream it from the top of my lungs from the housetops all night long !!!!!!!!!!!1!!!!!!!1!!

 

 

I absolutely HATE nova scotia from the bottom of my heart.

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