896  
WWUS20 KWNS 162046  
SEL9  
SPC WW 162046  
INZ000-170100-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 589  
NWS STORM PREDICTION CENTER NORMAN OK  
450 PM EDT SUN AUG 16 2026  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
SOUTH-CENTRAL INDIANA  
 
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 450 PM UNTIL  
900 PM EDT.  
 
* PRIMARY THREATS INCLUDE...  
ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE  
 
SUMMARY...A CLUSTER OF STORMS WILL LIKELY CONTINUE TO PROGRESS  
EAST-SOUTHEASTWARD ACROSS THE REGION WITH DAMAGING WINDS AS THE  
PRIMARY HAZARD.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 30  
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES NORTHWEST OF  
TERRE HAUTE IN TO 45 MILES EAST SOUTHEAST OF INDIANAPOLIS IN. FOR A  
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE  
UPDATE (WOUS64 KWNS WOU9).  
 
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 586...WW 587...WW 588...  
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW  
CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR  
28030.  
 
...GUYER  
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