729
ACUS11 KWNS 241048
SWOMCD
SPC MCD 241047
MEZ000-241445-
MESOSCALE DISCUSSION 2267
NWS STORM PREDICTION CENTER NORMAN OK
0447 AM CST WED DEC 24 2025
AREAS AFFECTED...PARTS OF SOUTHERN MAINE
CONCERNING...HEAVY SNOW
VALID 241047Z - 241445Z
SUMMARY...BAND OF HEAVY SNOW WITH 1-1.5 IN/HR RATES TO CONTINUE
ACROSS PARTS OF SOUTHERN MAINE THROUGH AROUND 14Z.
DISCUSSION...WITHIN THE LEFT EXIT REGION OF A ROBUST MID/UPPER-LEVEL
JET STREAK AND TO THE NORTH OF A SURFACE LOW JUST OFFSHORE OF
COASTAL MAINE, STRONG LOW-LEVEL FRONTOGENESIS AND CONVERGENCE IS
YIELDING STRONG MESOSCALE AND LARGE-SCALE FORCING FOR ASCENT OVER
SOUTHERN MAINE. HERE, A COLD/SATURATED PROFILE, SUBSTANTIAL LIFT
WITHIN THE DGZ, AND LIGHT WINDS WITHIN THE DGZ WILL FAVOR A
CONTINUATION OF HEAVY SNOWFALL RATES (AROUND 1-1.5 INCHES PER HOUR).
THESE HEAVY RATES SHOULD CONTINUE THROUGH AROUND 14Z, BEFORE THE
LEFT-EXIT REGION ASCENT MOVES OFFSHORE.
..WEINMAN.. 12/24/2025
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...GYX...
LAT...LON 44806982 44676962 44146910 43856918 43596984 43517027
43797059 44297066 44697058 44857027 44806982
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