172  
ACUS01 KWNS 171930  
SWODY1  
SPC AC 171929  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0129 PM CST MON FEB 17 2025  
 
VALID 172000Z - 181200Z  
   
..NO THUNDERSTORM AREAS FORECAST  
 
   
..SUMMARY  
 
THUNDERSTORMS ARE NOT FORECAST THROUGH TONIGHT ACROSS THE CONTIGUOUS  
UNITED STATES.  
   
..20Z UPDATE  
 
THE PREVIOUS FORECAST REMAINS ON TRACK WITH NO CHANGES REQUIRED.  
RECENT OBSERVATIONS AND LATEST GUIDANCE CONTINUE TO SUGGEST VERY  
LIMITED THUNDERSTORM POTENTIAL. SEE THE PREVIOUS DISCUSSION BELOW  
FOR ADDITIONAL DETAILS.  
 
..MOORE.. 02/17/2025  
   
PREV DISCUSSION  
/ISSUED 1012 AM CST MON FEB 17 2025/  
   
..SYNOPSIS  
 
A COLD, CONTINENTAL-POLAR AIRMASS IS IN PLACE ACROSS THE MUCH OF THE  
LOWER 48 TODAY DUE TO A 1045-MB SURFACE HIGH CENTERED OVER THE  
ND/CANADA BORDER REGION. DRY/COOL OFFSHORE FLOW THIS MORNING HAS  
LED TO TRANQUIL CONDITIONS ACROSS MUCH OF THE EASTERN SEABOARD AND  
GULF COASTLINES. AS A COLD FRONT PUSHES SOUTH ACROSS THE CENTRAL  
INTO THE SOUTHERN GREAT PLAINS, LOW-LEVEL FLOW WILL VEER ACROSS THE  
NORTHWEST GULF COAST WITH ONSHORE FLOW BEGINNING MAINLY TONIGHT.  
THUNDERSTORM POTENTIAL IN THIS REGION WILL BE NEGATED BY THE ONSET  
AND LIMITED DURATION OF MOISTURE RETURN INTO THE TX GULF COAST.  
COOL/DRY CONDITIONS WILL BE PERVASIVE ACROSS MUCH OF THE CONUS.  
 
 
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