979  
ACUS11 KWNS 012343  
SWOMCD  
SPC MCD 012343  
AZZ000-020145-  
 
MESOSCALE DISCUSSION 2026  
NWS STORM PREDICTION CENTER NORMAN OK  
0643 PM CDT MON SEP 01 2025  
 
AREAS AFFECTED...PORTIONS OF SOUTHERN ARIZONA  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 012343Z - 020145Z  
 
PROBABILITY OF WATCH ISSUANCE...20 PERCENT  
 
SUMMARY...THUNDERSTORM ACTIVITY WILL CONTINUE SOUTH AND WESTWARD  
THROUGH THE EVENING WITH POTENTIAL FOR STRONG TO SEVERE WIND.  
 
DISCUSSION...THUNDERSTORM ACTIVITY IS ONGOING THIS AFTERNOON ALONG  
AND SOUTH OF THE MOGOLLON RIM AND WHITE MOUNTAINS IN  
NORTHERN/CENTRAL ARIZONA. THIS ACTIVITY WILL CONTINUE TO DROP  
SOUTHWARD INTO THE LOWER DESERTS WHERE TEMPERATURES HAVE CRESTED 100  
F AND DEW POINT SPREADS AROUND 40-50 DEGREES. IN ADDITION, STEEP LOW  
TO MID-LEVEL LAPSE RATES ARE NOTED WITH DEEPLY MIXED PROFILES. NEW  
ACTIVITY IS FORMING ALONG A SOUTHWESTWARD MOVING OUTFLOW BOUNDARY  
EAST OF THE PHOENIX METRO. THIS MAY SUPPORT A FEW INSTANCES OF  
STRONG TO SEVERE WIND AND LOW VISIBILITY FROM BLOWING DUST THIS  
EVENING.  
 
..THORNTON/HART.. 09/01/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...TWC...FGZ...PSR...  
 
LAT...LON 34131168 34251118 34181116 34061115 33931099 33761074  
33611044 33511014 33420971 33190983 33011007 32811073  
32851119 32991161 33241197 33381214 33561215 34131168  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
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