National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
ACUS11 KWNS 252110
SWOMCD
SPC MCD 252110
NCZ000-TNZ000-SCZ000-GAZ000-ALZ000-260115-

MESOSCALE DISCUSSION 0098
NWS STORM PREDICTION CENTER NORMAN OK
0310 PM CST WED FEB 25 2015

AREAS AFFECTED...NE AL...NRN GA...FAR ERN TN...FAR NW SC...SWRN
NC...

CONCERNING...HEAVY SNOW

VALID 252110Z - 260115Z

SUMMARY...HEAVY SNOWFALL IS EXPECTED TO DEVELOP OVER THE AREA WITHIN
THE NEXT HOUR OR TWO...PERSISTING THROUGH 00Z. SNOWFALL RATES IN
EXCESS OF 1 INCH PER HOUR ARE POSSIBLE.

DISCUSSION...SURFACE OBSERVATIONS ACROSS NE AL AND NW GA HAVE
ALREADY STARTED REPORTING SNOW...INDICATING THE MID-LEVEL DRY LAYER
HAS MOISTENED ENOUGH TO SUPPORT PRECIPITATION AT THE SURFACE.
PERSISTENCE PRECIPITATION INTO THIS LAYER IS EXPECTED TO RESULT IN
SNOW OVER THE REMAINDER OF NRN GA WITHIN THE NEXT HOUR OR TWO WITH
SNOW LIKELY BEGINNING IN SRN PORTIONS OF THE BLUE RIDGE MOUNTAINS AS
WELL.

AS THE SYSTEM CONTINUES EWD AND BECOMES MORE VERTICALLY-STACKED...
LOW LEVEL JET IS EXPECTED TO INCREASE SUBSTANTIALLY WITH A
SUBSEQUENT ENHANCEMENT OF LOW/MID-LEVEL WAA. 300K ISENTROPIC SURFACE
INDICATES VERY STRONG WAA INTO THE REGION BETWEEN 21Z AND 00Z.
GUIDANCE IS IN GOOD AGREEMENT THAT PROFILES THROUGHOUT THE REGION
WILL BE SUPPORTIVE OF SNOW WITH SNOWFALL RATES AT OR ABOVE 1 INCH
PER HOUR POSSIBLE.

THE HEAVY SNOWFALL THREAT WILL CONTINUE INTO PORTIONS OF CNTRL SC
AND CNTRL NC AFTER 00Z.

..MOSIER/HART.. 02/25/2015

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

ATTN...WFO...RNK...GSP...MRX...FFC...BMX...HUN...

LAT...LON   34668626 34258684 33408677 33928432 34858265 35768151
            36328190 36178264 35668380 35248473 34668626