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March Threats/Snow Storms Pt. II


mitchnick

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29.45 low right at coast is going to kick back more nw and big high out west not pushing in yet

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MAJOR movement in the 03z SREF plumes at DCA... mean is 4.79... 11 members are now above the mean... all but 5 of the members suggest total snow of 2"+

 

Link: http://www.spc.noaa.gov/exper/sref/fplumes/index2.php?YMD=20150224&RT=03&PRM=Total-SNO&SID=DCA&INC=ALL&NNC=&max=&min=&mZOOM=7&mLAT=37.606711416872095&mLON=-78.59679154381752&mTYP=roadmap

 

 

Breakdown

 

All of the members in the ARW family are over the 6" mark... all of the NMM family is below 1" besides one member (NMP1 ~4")... all of the NMB family are above 5" besides two members (MBN1 and MBN2 ~2 to 3")

 

06z NAM/HI-RES NAM should be very interesting...

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MAJOR movement in the 03z SREF plumes at DCA... mean is 4.79... 11 members are now above the mean... all but 5 of the members suggest total snow of 2"+

 

Link: http://www.spc.noaa.gov/exper/sref/fplumes/index2.php?YMD=20150224&RT=03&PRM=Total-SNO&SID=DCA&INC=ALL&NNC=&max=&min=&mZOOM=7&mLAT=37.606711416872095&mLON=-78.59679154381752&mTYP=roadmap

 

 

Breakdown

 

All of the members in the ARW family are over the 6" mark... all of the NMM family is below 1" besides one member (NMP1 ~4")... all of the NMB family are above 5" besides two members (MBN1 and MBN2 ~2 to 3")

 

06z NAM/HI-RES NAM should be very interesting...

Throws it all the way back here (5-6 at HSP, ROA, LWB) big change. 7-9 in RIC down to ORF.

Just one run, but could get interesting again.

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06z 4km NAM also made some large moves... total QPF at DCA is 0.25 to 0.30... EZF to S MD (Calvert/St. Mary's) are near/on the 0.5" QPF line...

 

For fun only:  4km NAM shows 3" at DCA, around 5 to 6 inches for EZF and S MD

 

 

ETA: 06z RGEM at 54 hrs -- http://meteocentre.com/models/explorateur.php?lang=en&map=na&run=06&mod=gemreg&stn=PNMPR&comp=1&run2=-99&mod2=cmc_anal&stn2=PNMPR&hh2=048&fixhh=1&stn2_type=anal&mode=latest&yyyy=latest&mm=latest&dd=latest&hh=054

 

Looks like 3 to 5mm or so (~0.1 to 0.2" QPF)

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