313  
ACUS48 KWNS 070814  
SWOD48  
SPC AC 070813  
 
DAY 4-8 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0313 AM CDT WED MAY 07 2025  
 
VALID 101200Z - 151200Z  
   
..DISCUSSION  
 
FROM THIS WEEKEND THROUGH EARLY NEXT WEEK, AN UPPER-LEVEL LOW WILL  
BE SITUATED IN THE LOWER MISSISSIPPI VALLEY INTO THE NORTHERN GULF.  
THIS FEATURE WILL DRIVE REPEATED DAYS OF CONVECTION WITHIN PARTS OF  
THE SOUTHEAST INTO THE FLORIDA PENINSULA. LOWER-END SEVERE POTENTIAL  
MAY OCCUR WITH THIS ACTIVITY, BUT HOW ORGANIZED/INTENSE IT WILL BE  
IS NOT CERTAIN. THE UPPER-LEVEL LOW WILL BECOME MORE PROGRESSIVE AND  
LIFT NORTHEASTWARD BY THE MIDDLE OF NEXT WEEK. SHORTWAVE RIDGING  
ALOFT WILL MOVE THROUGH THE PLAINS INTO THE SOUTHEAST IN ADVANCE OF  
A WESTERN TROUGH. WITH THE PRESENCE OF THE UPPER LOW OVER THE GULF  
COAST REGION, THERE WILL BE OFFSHORE FLOW IN THE WESTERN GULF FOR A  
FEW DAYS BEFORE MOISTURE RETURNS NORTHWARD AGAIN IN RESPONSE TO THE  
MID-WEEK TROUGH.  
 
THE LARGEST UNCERTAINTY WITH THIS SYSTEM WILL BE THE MOISTURE  
QUALITY. SECONDLY, MODELS CURRENTLY PROJECT THE STRONGEST FORCING TO  
BE WITHIN THE CENTRAL/NORTHERN PLAINS, FARTHER AWAY FROM THE  
MOISTURE PLUME MOVING NORTH. AT LEAST AS CURRENTLY FORECAST, STRONG  
SOUTHWESTERLY/WESTERLY WINDS ALOFT SHOULD OVERSPREAD THE  
SOUTHERN/CENTRAL PLAINS BY LATE NEXT WEEK. THIS PARTICULAR TREND IN  
GUIDANCE IS RECENT AND CONFIDENCE IS ACCORDINGLY LOW, BUT MODEL  
TRENDS WILL CONTINUE TO BE MONITORED IN THE COMING DAYS.  
 
..WENDT.. 05/07/2025  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page