087  
ACUS02 KWNS 061730  
SWODY2  
SPC AC 061729  
 
DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1229 PM CDT SUN JUL 06 2025  
 
VALID 071200Z - 081200Z  
 
...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS OVER MUCH OF  
CENTRAL NEBRASKA AND SMALL PARTS OF SURROUNDING STATES...  
   
..SUMMARY  
 
SCATTERED SEVERE STORMS ARE LIKELY ACROSS THE CENTRAL PLAINS ON  
MONDAY. DAMAGING WIND AND HAIL ARE THE MAIN THREATS. ISOLATED STRONG  
TO POTENTIALLY SEVERE STORMS ARE ALSO POSSIBLE FROM PARTS OF NEW  
YORK INTO MAINE.  
   
..CENTRAL HIGH PLAINS INTO THE NORTHERN PLAINS  
 
A SHORTWAVE TROUGH WILL MOVE EAST/SOUTHEAST ACROSS THE NORTHERN  
PLAINS AND INTO THE MID MO TO UPPER MS VALLEY ON MONDAY, WITH  
MODERATE NORTHWEST WINDS ALOFT. MIDLEVEL TEMPERATURES WILL ALSO BE  
RELATIVELY COOL, WITH -10 C AT 500 MB AS FAR SOUTH AS KS.  
 
AT THE SURFACE, A TROUGH WILL DEVELOP FROM CENTRAL SD INTO WESTERN  
NE AND NORTHEAST CO, WHILE SOUTHERLY WINDS AID AIR MASS RECOVERY  
ACROSS THE REGION. STORMS WILL LIKELY DEVELOP BOTH ALONG A COLD  
FRONT OVER THE DAKOTAS, AND EXTENDING SOUTHWARD AS ACTIVITY DEVELOPS  
OFF THE FRONT RANGE.  
 
FORECAST SOUNDINGS INDICATE OVER 2000 J/KG IS LIKELY OVER MUCH OF  
THE WARM SECTOR, WHICH WILL SUPPORT STRONG TO SEVERE STORMS. A FEW  
SUPERCELLS WILL BE POSSIBLE INITIALLY WITH LARGE HAIL AND EVEN A  
BRIEF TORNADO, BEFORE STORMS CONGEAL INTO AN MCS DURING THE EVENING  
WITH DAMAGING WINDS LIKELY.  
   
..PARTS OF THE LOWER GREAT LAKES AND NORTHEAST  
 
AS A LOW-AMPLITUDE WAVE MOVES ACROSS ONTARIO AND QUEBEC, HEIGHT  
TENDENCIES WILL REMAIN RATHER NEUTRAL OVER THE NORTHEAST DURING THE  
DAY. A SURFACE TROUGH AND FRONT WILL STRETCH ROUGHLY ALONG THE  
CANADIAN BORDER, WITH UPPER 60S F DEWPOINTS COMMON.  
 
DAYTIME HEATING WILL LEAD TO AROUND 1000-1500 J/KG MLCAPE, AND  
STORMS ARE LIKELY TO FORM WITHIN THIS MOIST AND UNCAPPED AIR MASS  
FROM WESTERN NY INTO NORTHERN NEW ENGLAND. MODEST 30 KT MIDLEVEL  
WESTERLIES AND FAVORABLE TIME OF DAY WITH A DEEPENING MIXED BOUNDARY  
LAYER MAY SUPPORT LOCALLY STRONG GUSTS CAPABLE OF DAMAGE.  
 
..JEWELL.. 07/06/2025  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page