450  
ACUS11 KWNS 292310  
SWOMCD  
SPC MCD 292309  
NEZ000-SDZ000-COZ000-WYZ000-300115-  
 
MESOSCALE DISCUSSION 1516  
NWS STORM PREDICTION CENTER NORMAN OK  
0609 PM CDT SUN JUN 29 2025  
 
AREAS AFFECTED...CENTRAL HIGH PLAINS  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 479...  
 
VALID 292309Z - 300115Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 479  
CONTINUES.  
 
SUMMARY...SCATTERED STRONG-SEVERE THUNDERSTORMS WILL CONTINUE THIS  
EVENING. HAIL AND WIND REMAIN THE PRIMARY THREATS.  
 
DISCUSSION...MID-LEVEL FLOW HAS INCREASED A BIT WITHIN THE BASE OF  
THE NORTHERN PLAINS UPPER TROUGH. LATEST DATA SUGGESTS 6KM FLOW IS  
AROUND 30-35KT ACROSS NORTHERN PORTIONS OF WW479, BUT NOTICEABLY  
WEAKER INTO NORTHERN CO. OVER THE NEXT SEVERAL HOURS, THIS FLOW  
SHOULD GRADUALLY VEER INTO THE NORTHWEST, AND ONGOING CONVECTION IS  
EXPECTED TO MORE READILY ADVANCE DOWNSTREAM ACROSS THE CENTRAL HIGH  
PLAINS, WELL NORTH OF A FRONT THAT IS DRAPED ACROSS NORTHWESTERN KS  
INTO NORTHEAST CO. WHILE ANY SEMBLANCE OF A LLJ WILL REMAIN CONFINED  
TO WESTERN KS, THIS ACTIVITY APPEARS TO BE AIDED IN PART BY THE  
UPPER TROUGH. LATEST RADAR DATA EXHIBITS AT LEAST 4-5 LONGER-LIVED  
UPDRAFTS FROM SOUTHWESTERN SD INTO EXTREME NORTHERN CO. MOST OF  
THESE ARE GENERATING SEVERE HAIL. WITH TIME THIS ACTIVITY SHOULD  
ADVANCE DOWNSTREAM INTO NORTH CENTRAL NE WHERE A NEW SEVERE  
THUNDERSTORM WATCH MAY BE WARRANTED LATER THIS EVENING.  
 
..DARROW.. 06/29/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...LBF...UNR...GLD...PUB...BOU...CYS...  
 
LAT...LON 43960495 43950255 39110273 39120498 43960495  
 
MOST PROBABLE PEAK WIND GUST...65-80 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN  
 
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