441
ACUS11 KWNS 211615
SWOMCD
SPC MCD 211615
VAZ000-MDZ000-WVZ000-PAZ000-OHZ000-KYZ000-211815-
MESOSCALE DISCUSSION 1688
NWS STORM PREDICTION CENTER NORMAN OK
1115 AM CDT TUE JUL 21 2026
AREAS AFFECTED...NORTHEAST KENTUCKY...NORTHERN WEST VIRGINIA...AND
SOUTHERN OHIO
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 211615Z - 211815Z
PROBABILITY OF WATCH ISSUANCE...80 PERCENT
SUMMARY...THE SEVERE WEATHER THREAT WILL INCREASE THIS AFTERNOON
ACROSS SOUTHERN OHIO AND NORTHERN KENTUCKY INTO WEST VIRGINIA.
DISCUSSION...A CLUSTER OF STORMS IN SOUTHEAST OHIO WILL LIKELY
CONTINUE EAST-SOUTHEAST INTO A MORE UNSTABLE AIRMASS ALONG A
DIFFERENTIAL HEATING ZONE DEVELOPING ACROSS NORTHERN WEST VIRGINIA.
DAMAGING WINDS WILL LIKELY BE THE PRIMARY THREAT WITH THIS CLUSTER.
ADDITIONAL STORMS ARE EXPECTED TO STRENGTHEN FARTHER SOUTHWEST
THROUGH THE AFTERNOON WITH SUFFICIENT SHEAR FOR SOME SUPERCELL
STRUCTURES. DAMAGING WINDS WILL LIKELY BE THE MAIN THREAT WITH THIS
ACTIVITY WITH SOME LARGE HAIL POTENTIAL. IN ADDITION, A TORNADO OR
TWO IS ALSO POSSIBLE, ESPECIALLY AS THE LOW-LEVEL JET STRENGTHENS
THIS AFTERNOON/EVENING.
A WATCH WILL LIKELY BE NEEDED WITHIN THE NEXT 1 TO 2 HOURS TO
ADDRESS THE THREAT FROM THE ONGOING ACTIVITY AND ANY ADDITIONAL
STORMS WHICH DEVELOP.
..BENTLEY/MOSIER.. 07/21/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...CTP...LWX...RNK...PBZ...RLX...JKL...ILN...LMK...
LAT...LON 39598231 39898072 39777895 39337864 38837871 38137954
38018075 37938266 38338420 39078413 39598231
MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN
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