[MCD] SWOMCD

Fri Dec 16 18:48:50 UTC 2005

ACUS11 KWNS 161846
SWOMCD
SPC MCD 161845 
MEZ000-NHZ000-VTZ000-162245-

MESOSCALE DISCUSSION 2578
NWS STORM PREDICTION CENTER NORMAN OK
1245 PM CST FRI DEC 16 2005

AREAS AFFECTED...NRN VT/NH/MUCH OF ME

CONCERNING...HEAVY SNOW 

VALID 161845Z - 162245Z

...SNOW WILL BE INCREASING IN INTENSITY ACROSS MUCH OF ME THIS
AFTN...WITH RATES OF 1 TO 2 INCHES PER HOUR. MODERATE TO HEAVY SNOW
WILL BE DIMINISHING ACROSS VT/NH WITHIN 1-3 HOURS...

LATEST SFC ANALYSIS SHOWS RAPIDLY FALLING SFC PRESSURE /2-3MB PER
HOUR OFFSHORE/ WITH LOW NOW NEAR BEDFORD. SYSTEM IS QUICKLY LIFTING
NORTHEAST WITH DRIER AIR APPROACHING FROM THE SW PER WV LOOPS.
COMPOSITE RADAR IMAGERY DEPICTS ENHANCED REFLECTIVITY RETURNS ACROSS
SRN ME NEAR PORTLAND. RECENT SFC OBSERVATIONS AT KDAW /DAWSON/
INDICATED HEAVY RAIN...WITH HEAVY SNOW NOW AT KIZG /FRYEBERG/...AS
THIS MORE INTENSE PRECIPITATION MOVES BY. 

THERMAL PROFILES SUPPORT ALL SNOW...EXCEPT NEAR THE COASTAL AREAS
WHERE RAIN WILL OCCUR. SNOW RATES WILL BE ENHANCED BOTH BY STRONG
FRONTOGENESIS THROUGH A DEEP LAYER AND A SATURATED DENDRITIC
ZONE...WHICH FORECAST SOUNDINGS SUGGEST WILL BE MAINTAINED TIL AT
LEAST 21Z AROUND KBGR AND THROUGH 00Z NEAR KCAR. 

HEAVY SNOW NOW ONGOING ACROSS NRN PORTIONS OF VT/NH WILL END WITHIN
A COUPLE HOURS. BUT IT APPEARS MODERATE TO HEAVY SNOW WILL CONTINUE
ACROSS MUCH OF ME THROUGH THE AFTN.

..TAYLOR.. 12/16/2005

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...CAR...GYX...BOX...BTV...

46537078 47446915 47086764 46066784 44886871 43067142
43337229 44167251 44997261 

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