367  
ACUS11 KWNS 312034  
SWOMCD  
SPC MCD 312034  
IDZ000-MTZ000-UTZ000-NVZ000-ORZ000-312130-  
 
MESOSCALE DISCUSSION 1856  
NWS STORM PREDICTION CENTER NORMAN OK  
0334 PM CDT THU JUL 31 2025  
 
AREAS AFFECTED...PORTIONS OF SOUTHERN/CENTRAL IDAHO AND SOUTHWESTERN  
MONTANA  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 312034Z - 312130Z  
 
PROBABILITY OF WATCH ISSUANCE...20 PERCENT  
 
SUMMARY...POTENTIAL FOR STRONG TO SEVERE WINDS WITH THUNDERSTORM  
ACTIVITY THIS AFTERNOON AND EVENING.  
 
DISCUSSION...THUNDERSTORM ACTIVITY HAS DEVELOPED ACROSS PORTIONS OF  
SOUTHERN IDAHO NEAR THE SNAKE RIVER PLAIN AND SAWTOOTH RANGE. THIS  
IS EXPECTED TO CONTINUE TO MOVE NORTHWARD THIS AFTERNOON, WITH  
POTENTIAL FOR STRONG TO SEVERE WINDS. TEMPERATURES ACROSS  
SOUTHERN/CENTRAL IDAHO ARE IN THE MID TO UPPER 80S, WITH LARGE DEW  
POINT SPREADS AROUND 40 DEGREES NOTED IN SURFACE OBSERVATIONS.  
SURFACE OBJECTIVE ANALYSIS SHOWS STEEP LOW TO MID-LEVEL LAPSE RATES  
AROUND 8.5-9 C/KM. THIS ENVIRONMENT WILL BE SUPPORTIVE OF STRONG  
DOWNBURST POTENTIAL. AS STORMS CLUSTER AND GROW ALONG OUTFLOW, A  
MORE ORGANIZED DAMAGING WIND THREAT MAY EMERGE.  
 
..THORNTON/SMITH.. 07/31/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...TFX...SLC...PIH...MSO...BOI...LKN...  
 
LAT...LON 42801676 43371704 44571702 45201660 45591572 45841492  
46151359 45911278 45581222 44811178 43991201 43411227  
42601297 42091321 41781435 42371644 42801676  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
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