854
WWUS20 KWNS 212238
SEL6
SPC WW 212238
ARZ000-KSZ000-MOZ000-OKZ000-220600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 366
NWS STORM PREDICTION CENTER NORMAN OK
540 PM CDT SUN JUN 21 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN ARKANSAS
SOUTHEAST KANSAS
SOUTHERN MISSOURI
NORTHEAST OKLAHOMA
* EFFECTIVE THIS SUNDAY AFTERNOON AND MONDAY MORNING FROM 540 PM
UNTIL 100 AM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...SCATTERED TO NUMEROUS THUNDERSTORMS ARE FORECAST TO
DEVELOP THIS EVENING WITH THE STRONGER THUNDERSTORMS LIKELY POSING A
SEVERE RISK. A FEW SUPERCELLS WILL INITIALLY POSE A RISK FOR LARGE
HAIL AND PERHAPS A TORNADO. ADDITIONAL STORMS AND CONSOLIDATING
OUTFLOW WILL LEAD TO A GREATER SEVERE-WIND THREAT WITH TIME THIS
EVENING. SEVERE GUSTS 60 TO 70 MPH CAPABLE OF WIND DAMAGE WILL
BECOME THE PRIMARY HAZARD TOWARDS THE LATE EVENING AS THIS ACTIVITY
GRADUALLY PUSHES SOUTH AND EAST.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST NORTHWEST
OF BARTLESVILLE OK TO 45 MILES NORTHEAST OF POPLAR BLUFF MO. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 363...WW 364...WW 365...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
29020.
...SMITH
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