SWOMCD
SPC MCD 311716
MEZ000-NHZ000-312115-
MESOSCALE DISCUSSION 2399
NWS STORM PREDICTION CENTER NORMAN OK
1116 AM CST SAT DEC 31 2011
AREAS AFFECTED...MAINE
CONCERNING...FREEZING RAIN
VALID 311716Z - 312115Z
FREEZING RAIN WILL CONTINUE TO SUBSIDE FROM W-E FOR PORTIONS OF NRN
NEW ENGLAND...GRADUALLY PROGRESSING INTO QUEBEC AND NEW BRUNSWICK
LATER THIS AFTERNOON. THE TRANSITORY AREA OF FREEZING RAIN WILL
PRODUCE ACCUMULATIONS OF 0.02 TO 0.05 IN/HR.
AN UPPER TROUGH LOCATED ON WV IMAGERY AS OF 17Z THROUGH CNTRL NY
SSEWD TO THE MID ATLANTIC WILL CONTINUE TO RAPIDLY EJECT ENEWD. THIS
WILL LEAD TO A CESSATION OF FREEZING RAIN FOR PORTIONS OF NRN NEW
ENGLAND. WITH THE EXCEPTION OF FAR NRN MAINE...WARM ADVECTION AND
DIURNAL HEATING WILL CONTRIBUTE TO SURFACE TEMPERATURES WARMING TO
AOA FREEZING. AS THE UPPER TROUGH CONTINUES TO MOVE OFFSHORE...A
SECONDARY COLD FRONT WILL QUICKLY SWEEP SEWD THROUGH THE
AREA...LEADING TO FALLING TEMPERATURES ONCE AGAIN AND A MUCH
COOLER/DRIER CP AIR MASS THAT WILL BE UNSUPPORTIVE OF HEAVIER /IF
ANY/ ACCUMULATION.
..HURLBUT.. 12/31/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CAR...GYX...
LAT...LON 46616952 47096952 47346923 47216888 47326837 47066792
46516772 45876783 45456801 45056941 43897075 43587107
44517094 45397009 46616952
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