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Obs/discussion from the In and Out storm nobody cares about march 17-18


Ji

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DCA .18

IAD .21

BWI .12

There's a bit more before and after these totals but it won't matter with the temps and light rates.

Iad has a 6 hour period at night with .15 and a hair above freezing. Verbatim, iad could potentially record an inch but thats pushing it. Bwi and dca would be t at best.

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DCA .18

IAD .21

BWI .12

There's a bit more before and after these totals but it won't matter with the temps and light rates.

Iad has a 6 hour period at night with .15 and a hair above freezing. Verbatim, iad could potentially record an inch but thats pushing it. Bwi and dca would be t at best.

I assume those are Euro temps. The NAM and GFS are flat out cold, especially back here. Still 48 to go. We shall see.

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Euro text. 

 

IAD:

 

 

MON 06Z 18-MAR   1.3    -2.7    1025      90     100    0.07     560     540    MON 12Z 18-MAR   0.3    -3.3    1027      90      92    0.15     562     541    MON 18Z 18-MAR   2.4    -2.2    1024      85      49    0.03     563     544DCA isn't that much warmer:
MON 06Z 18-MAR   2.0    -2.5    1025      78     100    0.04     560     540    MON 12Z 18-MAR   0.4    -2.7    1027      84      94    0.12     562     541    MON 18Z 18-MAR   2.8    -1.6    1024      84      54    0.07     564     544    
    
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12z NAM = :lmao:

.5 QPF just south and southwest of DCA and IAD down towards EZF and Stauton. IAD and MRB and DCA prob .25 to .30, BWI .05 if its lucky. 850s certainly cold enough below 0 through 51ish... precip starts at 33. IAD is below freezing from hr 35ish on... DCA hr 37

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Geez... 12z GFS is ridiculous... temps def cold enough for I-95 corridor and west after hr 36 2m-wise and 850 wise through at least 48... and GFS is wetter than the NAM.  2m temps actually go below freezing around hr 37 (01z) and dont go back above till hr 49/50 or so (13z/14z MON) for the DCA area.  QPF .5+ for FDK and DCA/IAD .75+/BWI .25+ with MRB pushing an 1"

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