847  
WWUS20 KWNS 182133  
SEL6  
SPC WW 182133  
OKZ000-TXZ000-190500-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
TORNADO WATCH NUMBER 226  
NWS STORM PREDICTION CENTER NORMAN OK  
435 PM CDT MON MAY 18 2026  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* TORNADO WATCH FOR PORTIONS OF  
WESTERN OKLAHOMA  
FAR NORTHWEST TEXAS  
 
* EFFECTIVE THIS MONDAY AFTERNOON FROM 435 PM UNTIL MIDNIGHT CDT.  
 
* PRIMARY THREATS INCLUDE...  
A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE  
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75  
MPH POSSIBLE  
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5  
INCHES IN DIAMETER POSSIBLE  
 
SUMMARY...THUNDERSTORM DEVELOPMENT IS ONGOING ALONG THE DRYLINE IN  
WESTERN OK. THE VERY UNSTABLE AND MODERATELY SHEARED ENVIRONMENT  
COULD SUPPORT A FEW SUPERCELLS IF THE WARM AND DRY LOW TO MID LEVELS  
CAN BE OVERCOME. ALL HAZARDS INCLUDING VERY LARGE HAIL AND TORNADOES  
ARE POSSIBLE WITH ANY MATURE STORMS. LOW-LEVEL SHEAR WILL STRENGTHEN  
THIS EVENING AS THE LOW-LEVEL JET INCREASES, AND ANY STORM THAT  
PERSISTS INTO THE EVENING COULD ENCOUNTER AN ENVIRONMENT SUPPORTIVE  
OF STRONG TORNADOES.  
 
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES  
EAST AND WEST OF A LINE FROM 20 MILES NORTHWEST OF ALVA OK TO 40  
MILES SOUTHWEST OF WICHITA FALLS TX. FOR A COMPLETE DEPICTION OF THE  
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR  
TORNADOES AND 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.  
 

 
 
OTHER WATCH INFORMATION...CONTINUE...WW 220...WW 221...WW  
222...WW 223...WW 224...WW 225...  
 
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL  
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND  
GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN  
STORM MOTION VECTOR 24020.  
 
...MOSIER  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page