056  
WWUS20 KWNS 181615  
SEL3  
SPC WW 181615  
ARZ000-KSZ000-MOZ000-OKZ000-182300-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 623  
NWS STORM PREDICTION CENTER NORMAN OK  
1120 AM CDT SAT OCT 18 2025  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
NORTHWEST ARKANSAS  
EXTREME SOUTHEAST KANSAS  
SOUTHERN MISSOURI  
EASTERN OKLAHOMA  
 
* EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1120 AM UNTIL  
600 PM CDT.  
 
* PRIMARY THREATS INCLUDE...  
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75  
MPH POSSIBLE  
SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE  
A TORNADO OR TWO POSSIBLE  
 
SUMMARY...THUNDERSTORMS WILL INCREASE IN COVERAGE/INTENSITY THROUGH  
THE AFTERNOON, WHILE GROWING INTO A MORE LINEAR CONFIGURATION FROM  
EASTERN OKLAHOMA ACROSS NORTHWEST ARKANSAS INTO SOUTHERN MISSOURI.  
DAMAGING WINDS (60-75 MPH) AND LARGE HAIL (1-1.5 INCHES IN DIAMETER)  
WILL BE THE MAIN THREATS, THOUGH A TORNADO OR TWO MAY ALSO OCCUR  
LATER THIS AFTERNOON WITH EMBEDDED CIRCULATIONS.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90  
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH OF FORT  
LEONARD WOOD MO TO 50 MILES SOUTH OF POTEAU OK. FOR A COMPLETE  
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE  
(WOUS64 KWNS WOU3).  
 
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.  
 

 
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A  
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR  
25030.  
 
...THOMPSON  
 
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