863  
FXUS63 KTOP 281648  
AFDTOP  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TOPEKA KS  
1148 AM CDT THU AUG 28 2025  
   
KEY MESSAGES  
 
- RAIN TO CONTINUE THROUGH THIS MORNING WITH HEAVIEST ACCUMULATIONS  
(UP TO 1-1.5 INCHES) OCCURRING SOUTH OF A LINE FROM HERINGTON TO  
GARNETT. THE FLOODING THREAT STILL REMAINS LOW.  
 
- BELOW-AVERAGE TEMPERATURES PERSIST THROUGH THE WEEKEND WITH  
ANOTHER CHANCE FOR PRECIPITATION SATURDAY INTO EARLY MONDAY  
(20-50%).  
 
 
   
DISCUSSION  
 
ISSUED AT 217 AM CDT THU AUG 28 2025  
 
A SUBTLE MID-LEVEL WAVE EMBEDDED IN NORTHWESTERLY FLOW HAS MADE ITS  
WAY INTO WESTERN KANSAS EARLY THIS MORNING AND HAS HELPED TO SPARK  
WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS THE STATE. CURRENTLY,  
SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAINFALL RATES HAVE  
DEVELOPED ACROSS CENTRAL KANSAS NEAR THE NOSE OF A STRENGTHENING 25-  
30 KT LLJ. AN ASSOCIATED THETA-E GRADIENT LIES JUST EAST OF THE JET,  
GENERALLY SEPARATING THE MAIN MOISTURE AXIS FROM NORTHEAST KANSAS  
APART FROM CENTRAL KANSAS. WITH MAJORITY OF MOISTURE AND FORCING  
STAYING ACROSS CENTRAL KANSAS, MODELS AND MOST CAMS HAVE TRENDED THE  
HEAVIEST RAINFALL AMOUNTS SOUTH AND WEST OF OUR AREA. PROBABILITIES  
OF OUR SOUTHWEST COUNTIES RECEIVING 1 INCH OF RAINFALL HAS DROPPED  
FROM 50-70% IN THE 12Z HREF RUN ON WEDNESDAY TO 10-40% IN THE 00Z  
RUN TODAY. AREAS EVEN FURTHER EAST AND NORTH WILL SEE EVEN LESS  
RAINFALL, GENERALLY ONLY TOPPING OUT TO A FEW TENTHS OF AN INCH.  
 
PRECIPITATION WILL CONTINUE TO SHIFT SOUTH AND EAST BY THE MID-  
MORNING TODAY WITH LOW CEILINGS LINGERING THROUGH THE DAY TODAY.  
THIS WILL NOT PROMOTE MUCH WARMING THIS AFTERNOON AS HIGHS WILL ONLY  
REACH THE LOW TO MID 70S. THE NEXT FEW DAYS AND INTO THE HOLIDAY  
WEEKEND WILL SEE SIMILAR COOL TEMPERATURES AS HIGHS TOP OUT IN THE  
UPPER 70S AND LOW 80S. OUR NEXT CHANCE FOR PRECIPITATION COMES  
SATURDAY AND LINGERING INTO EARLY MONDAY AS THE NEXT APPRECIABLE  
WAVE PASSES OVER WITHIN THE NORTHWEST FLOW. IN ADDITION, LOVERS OF  
THE COOLER TEMPERATURES WILL CONTINUE TO REJOICE AS LONG-RANGE  
GUIDANCE SEEMS KEEN ON DIGGING ANOTHER DEEP ARCTIC LOW INTO THE  
CENTRAL US MID TO LATE NEXT WEEK. THIS WILL AGAIN BRING ANOTHER SHOT  
OF COOL AIR INTO THE REGION, KEEPING US WELL-BELOW AVERAGE FOR  
TEMPERATURES THIS TIME OF YEAR.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z FRIDAY/  
 
ISSUED AT 1145 AM CDT THU AUG 28 2025  
 
MVFR CIGS AT KMHK WILL GRADUALLY LIFT TO VFR ALONG WITH  
KTOP/KFOE THIS AFTERNOON AS SWATH OF SHOWERS CONTINUES TO EXIT  
SOUTHEAST. MID TO HIGH LEVEL CLOUDS ARE ANTICIPATED TO INCREASE,  
FURTHER COMPLICATING THE POTENTIAL FOR FOG DEVELOPING  
OVERNIGHT. TERMINALS DID NOT OBSERVE THE RAINFALL THAT MODELS  
ANTICIPATED SO BELIEVE FORECAST SOUNDINGS MAY BE A BIT OVERDONE  
ON SFC MOISTURE. UNTIL HIGHER CONFIDENCE IS MET, HAVE OPTED TO  
NOT INSERT FOG AT KTOP/KMHK AT THIS ISSUANCE.  
 
 
   
TOP WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
 
DISCUSSION...GRIESEMER  
AVIATION...PRIETO  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab KS Page
Main Text Page