318  
ACUS01 KWNS 200057  
SWODY1  
SPC AC 200056  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0756 PM CDT FRI JUN 19 2026  
 
VALID 200100Z - 201200Z  
 
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PARTS OF  
SOUTHEAST MN INTO WESTERN WI...EASTERN NM/CO...KS...SOUTHWEST  
NE...AND NORTHWEST/NORTH-CENTRAL NV...  
   
..SUMMARY  
 
ISOLATED STRONG TO SEVERE THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND  
HAIL TONIGHT ACROSS PARTS OF THE UPPER MIDWEST AND SOUTHERN/CENTRAL  
HIGH PLAINS. STORMS WITH LOCALIZED SEVERE GUSTS ALSO REMAIN POSSIBLE  
ACROSS PARTS OF NORTHERN NEVADA AND SOUTHEAST KANSAS.  
   
..SOUTHEAST MN INTO WI  
 
SCATTERED STRONG TO LOCALLY SEVERE STORMS ARE ONGOING THIS EVENING  
FROM PARTS OF SOUTHEAST MN INTO NORTHWEST WI. THE REGIONAL  
ENVIRONMENT IS CHARACTERIZED BY MODEST BUOYANCY (WITH MLCAPE OF  
AROUND 500 J/KG), BUT FAVORABLE DEEP-LAYER SHEAR. A MIDLEVEL  
SHORTWAVE TROUGH MOVING ACROSS MN WILL HELP TO SUSTAIN CONVECTION  
THROUGH THE EVENING, THOUGH A GRADUAL WEAKENING OF ALREADY MODEST  
BUOYANCY WILL TEND TO DIMINISH THE SEVERE THREAT WITH TIME.  
LOCALIZED HAIL AND STRONG/DAMAGING GUSTS REMAIN POSSIBLE WITH THE  
STRONGEST ONGOING CELLS BEFORE STORMS WEAKEN LATER THIS EVENING.  
   
..PARTS OF SOUTH-CENTRAL/SOUTHEAST KS  
 
A SMALL THUNDERSTORM CLUSTER HAS RECENTLY INTENSIFIED NORTH OF  
WICHITA, WITH REPORTS OF LOCALIZED STRONG TO SEVERE GUSTS. THIS  
CLUSTER MAY CONTINUE SOUTHEASTWARD WITH A THREAT OF LOCALIZED SEVERE  
GUSTS THROUGH DUSK. SEE MCD 1207 FOR MORE INFORMATION.  
   
..PARTS OF NV  
 
INVERTED-V PROFILES (AS OBSERVED IN THE 00Z LKN SOUNDING) WILL  
CONTINUE TO SUPPORT A THREAT OF ISOLATED SEVERE GUSTS WITH  
HIGH-BASED CONVECTION THAT WILL MOVE ACROSS NORTHWEST/NORTH-CENTRAL  
NV INTO THIS EVENING. SOME THREAT MAY REACH THE NV/OR/ID BORDER  
REGION BEFORE NOCTURNAL STABILIZATION RESULTS IN A GENERAL WEAKENING  
TREND.  
   
..PARTS OF EASTERN NM/CO INTO NORTHWEST KS/SOUTHWEST NE  
 
A THUNDERSTORM CLUSTER OVER EAST-CENTRAL NM MAY CONTINUE TO POSE A  
THREAT OF ISOLATED HAIL AND SEVERE GUSTS EARLY THIS EVENING, WITHIN  
AN ENVIRONMENT CHARACTERIZED BY MLCAPE OF AROUND 1000 J/KG AND  
MODESTLY FAVORABLE DEEP-LAYER SHEAR. NOCTURNAL COOLING/STABILIZATION  
SHOULD RESULT IN A WEAKENING TREND WITH TIME.  
 
GUIDANCE CONTINUES TO VARY REGARDING POTENTIAL FOR ROBUST STORM  
DEVELOPMENT ACROSS EASTERN CO THROUGH THE EVENING. FORCING IS  
GENERALLY WEAK, BUT MLCAPE OF 1000-1500 J/KG AND MODERATE DEEP-LAYER  
SHEAR WILL CONDITIONALLY SUPPORT ORGANIZED CONVECTION, IF ANY STORMS  
CAN BE SUSTAINED.  
 
LATER TONIGHT, ELEVATED CONVECTION MAY DEVELOP ACROSS PARTS OF  
NORTHWEST KS/SOUTHWEST NE, WITHIN A MODEST LOW-LEVEL WARM ADVECTION  
REGIME. GUIDANCE REMAINS IN POOR AGREEMENT REGARDING THE COVERAGE  
(IF ANY) AND INTENSITY OF STORMS WITHIN THIS REGIME, BUT MODERATE  
ELEVATED BUOYANCY AND SUFFICIENT DEEP-LAYER SHEAR COULD SUPPORT A  
THREAT OF ISOLATED HAIL AND LOCALIZED STRONG TO SEVERE GUSTS.  
   
..PARTS OF THE SOUTHEAST  
 
LOCALIZED STRONG STORMS PERSIST THIS EVENING ACROSS PARTS OF THE  
SOUTHEAST, WITHIN A VERY MOIST (PW GREATER THAN 2 INCHES)  
ENVIRONMENT. LOCALIZED DAMAGING GUSTS MAY ACCOMPANY THE STRONGEST  
STORMS THROUGH SUNSET, BUT WEAK DEEP-LAYER SHEAR AND THE EFFECTS OF  
EXTENSIVE CONVECTIVE OVERTURNING ARE EXPECTED TO LIMIT ORGANIZED  
SEVERE POTENTIAL.  
 
..DEAN.. 06/20/2026  
 
 
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