307
ACUS11 KWNS 110906
SWOMCD
SPC MCD 110906
VAZ000-WVZ000-KYZ000-OHZ000-INZ000-111500-
MESOSCALE DISCUSSION 0080
NWS STORM PREDICTION CENTER NORMAN OK
0306 AM CST TUE FEB 11 2025
AREAS AFFECTED...CENTRAL AND EASTERN KENTUCKY/WESTERN
VIRGINIA/SOUTHERN WEST VIRGINIA
CONCERNING...HEAVY SNOW
VALID 110906Z - 111500Z
SUMMARY...A BAND OF SNOW WILL CONTINUE TO DEVELOP ACROSS THE OHIO
VALLEY AND CENTRAL APPALACHIANS OVER THE NEXT COUPLE OF HOURS.
SNOWFALL RATES OF GREATER THAN ONE INCH PER HOUR WILL BE POSSIBLE
WITHIN THE HEAVIER PARTS OF THE BAND, WITH A MIX OF FREEZING RAIN
AND SNOW TO THE SOUTH OF THIS BAND.
DISCUSSION...WATER VAPOR IMAGERY SHOWS WEST-SOUTHWESTERLY MID-LEVEL
FLOW CURRENTLY PRESENT ACROSS THE EASTERN U.S., WITH A SPLIT
MID-LEVEL JET PATTERN EVIDENT. LIFT IS LIKELY BEING ENHANCED WITHIN
THE RIGHT ENTRANCE REGION OF A MID-LEVEL JET THAT IS ANALYZED IN
NORTHERN KENTUCKY. WIDESPREAD PRECIPITATION, IN THE FORM OF A MIX OF
RAIN, FREEZING RAIN AND SNOW, IS ONGOING TO THE SOUTH OF THIS
FEATURE FROM SOUTHEAST MISSOURI EASTWARD ACROSS KENTUCKY INTO
WESTERN VIRGINIA. ISENTROPIC LIFT, IN CONJUNCTION WITH STRENGTHENING
LOW-LEVEL FLOW, IS FORECAST TO STEADILY INCREASE ALONG THIS
EAST-TO-WEST CORRIDOR EARLY THIS MORNING.
SURFACE TEMPERATURES ARE IN THE MID 30S F ACROSS MUCH OF CENTRAL
KENTUCKY, WITH LOWER 30S F IN THE CENTRAL APPALACHIANS. TEMPERATURES
WILL CONTINUE TO GRADUALLY COOL AS THE COVERAGE OF MODERATE TO HEAVY
PRECIPITATION INCREASES EARLY THIS MORNING. WITHIN THE MORE INTENSE
PARTS OF THE BAND, POCKETS OF HEAVY SNOWFALL ARE EXPECTED, WITH SOME
LOCATIONS EXCEEDING ONE INCH PER HOUR. TO THE SOUTH OF THIS BAND OF
SNOW, PRECIPITATION IS EXPECTED TO BE A FREEZING RAIN AND SNOW MIX.
AFTER DAYBREAK, WARMER AIR IS FORECAST TO SPREAD NORTHWARD INTO
PARTS OF CENTRAL AND EASTERN KENTUCKY, WHICH RESULT IN A CHANGEOVER
TO RAIN IN MANY AREAS.
..BROYLES/MOSIER.. 02/11/2025
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...RNK...RLX...MRX...JKL...ILN...LMK...
LAT...LON 37228568 37328600 37428621 37508627 37668629 37858619
38018601 38168573 38318519 38508428 38578299 38588149
38488059 38318008 37977965 37467963 37197977 37047998
36898037 36788127 36858262 37048453 37228568
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