699  
ACUS11 KWNS 050439  
SWOMCD  
SPC MCD 050439  
SDZ000-NEZ000-050615-  
 
MESOSCALE DISCUSSION 0985  
NWS STORM PREDICTION CENTER NORMAN OK  
1139 PM CDT THU JUN 04 2026  
 
AREAS AFFECTED...PARTS OF SOUTH-CENTRAL/SOUTHEAST SD INTO FAR  
NORTHERN NE  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 273...  
 
VALID 050439Z - 050615Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 273  
CONTINUES.  
 
SUMMARY...SOME SEVERE THREAT MAY PERSIST INTO THE EARLY OVERNIGHT  
HOURS, THOUGH AN EVENTUAL WEAKENING TREND IS EXPECTED WITH TIME.  
 
DISCUSSION...A STORM CLUSTER HAS GROWN IN SIZE LATE THIS EVENING  
FROM CENTRAL SD INTO FAR NORTHERN NE, ALONG AND NORTH OF A SURFACE  
BOUNDARY. MEASURED SEVERE GUSTS HAVE RECENTLY BEEN NOTED ACROSS  
SOUTH-CENTRAL SD AND FAR NORTHERN NE, AND SOME SEVERE-WIND THREAT  
MAY CONTINUE AFTER MIDNIGHT CDT, AS THIS CLUSTER MOVES EASTWARD  
ACROSS A MODERATELY UNSTABLE ENVIRONMENT. STRONGER EMBEDDED UPDRAFTS  
MAY ALSO BE CAPABLE OF ISOLATED HAIL.  
 
WITH ONLY MODEST ORGANIZATION NOTED WITH THE ONGOING CLUSTER, AND  
INCREASING CINH DOWNSTREAM, AN EVENTUAL WEAKENING TREND IS EXPECTED  
OVERNIGHT. DEPENDING ON SHORT-TERM OBSERVATIONAL TRENDS, A LOCAL  
EXPANSION OF WW 273 MAY EVENTUALLY BE NEEDED, BUT LONGEVITY OF THE  
SEVERE THREAT APPEARS TOO LIMITED FOR NEW WATCH ISSUANCE.  
 
..DEAN/GUYER.. 06/05/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...FSD...OAX...ABR...LBF...UNR...  
 
LAT...LON 44439972 44669895 44639805 44369759 44059718 43759708  
43419726 43059782 42689829 42569920 42499990 42759999  
43159954 44439972  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page