066  
FXUS61 KCLE 141043  
AFDCLE  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CLEVELAND OH  
643 AM EDT FRI AUG 14 2026  
   
WHAT HAS CHANGED  
 
HEAVY RAIN IS POSSIBLE FROM MARION TO MOUNT VERNON EARLY THIS  
MORNING. THE POP FORECAST FOR SATURDAY NIGHT INTO SUNDAY HAS  
BEEN INCREASING AS CONFIDENCE IN LOCATION AND TIMING IMPROVES. A  
SMALL AREA (APPROXIMATELY FINDLAY TO MARION) WAS UPGRADED TO A  
SLIGHT RISK FOR SEVERE WEATHER SATURDAY NIGHT. THERE IS A  
SLIGHT RISK (LEVEL 2 OF 4) FOR EXCESSIVE RAINFALL ON SATURDAY  
FOR MOST OHIO COUNTIES (EXCLUDING FAR NORTHEAST OHIO).  
 
 
   
KEY MESSAGES  
 
1) SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE THROUGH TODAY  
NEAR AND SOUTH OF THE US-30 CORRIDOR. HEAVY RAIN IS POSSIBLE  
FROM APPROXIMATELY MARION TO MOUNT VERNON THIS MORNING.  
 
2) SHOWERS AND THUNDERSTORMS WILL RETURN SATURDAY NIGHT THROUGH  
SUNDAY. HEAVY RAIN IS LIKELY SATURDAY NIGHT, WITH A FEW  
STRONGER STORMS POSSIBLE SUNDAY AFTERNOON AND EVENING.  
 
 
   
DISCUSSION  
 
KEY MESSAGE 1...  
A SURFACE STATIONARY BOUNDARY LINGERS OVER THE LOWER OHIO  
VALLEY, THOUGH FORCING IN THE 850-700 MB LAYER EXTENDS WELL  
NORTH OF THIS BOUNDARY. IN THE IMMEDIATE NEAR TERM, LIGHT TO  
MODERATE RAIN SHOWERS HAVE GENERALLY REMAINED SOUTH OF A WOOD TO  
WAYNE COUNTY LINE. SHOWERS SHOULD GRADUALLY EXPAND NORTHWARD TO  
AS FAR AS A TOLEDO-LORAIN-AKRON LINE BUT THE RISK FOR HEAVY RAIN  
IS LIKELY TO RAIN TOWARDS OUR SOUTHWEST COUNTIES (MARION TO  
KNOX) WHERE THE LATEST HRRR CYCLES PROJECT AN INCH OF RAIN. THE  
RISK FOR >2" OF RAIN AND SUBSEQUENT FLOODING IS LOW BUT NOT  
COMPLETELY OUT OF THE QUESTION, SO WE'LL HAVE TO MONITOR FOR  
THAT THIS MORNING. RAIN SHOWERS DISSIPATE THROUGH THE AFTERNOON  
AND WE SHOULD BE COMPLETELY RAIN FREE BY AROUND 21Z.  
 
KEY MESSAGE 2...  
THE NEXT PERIOD FOR UNSETTLED WEATHER WILL BE SATURDAY NIGHT  
THROUGH SUNDAY AS A LOW PRESSURE SYSTEM MOVES EAST ACROSS THE  
GREAT LAKES.  
 
A STATIONARY FRONT LINGERING OVER THE OHIO VALLEY WILL LIFT  
NORTHWARD ACROSS THE AREA SATURDAY NIGHT IN RESPONSE TO LOW  
PRESSURE TRACKING ACROSS THE GREAT LAKES REGION. A PERIOD OF  
HEAVY RAIN IS BECOMING MORE LIKELY SATURDAY NIGHT AS A HIGHLY-  
ANOMALOUS MOIST AIR MASS, CHARACTERIZED BY PWATS EXCEEDING 2.0  
INCHES, WHICH IS APPROACHING THE CLIMATOLOGICAL MAXIMUM, ENTERS  
THE AREA. THERE IS A SLIGHT RISK (LEVEL 2 OF 4) FOR EXCESSIVE  
RAINFALL AND A MARGINAL RISK (LEVEL 1 OF 5) FOR SEVERE WEATHER  
SATURDAY NIGHT WITH A SLIGHT RISK (LEVEL 2 OF 5) FROM FINDLAY TO  
MARION.  
 
THE LATEST MODEL GUIDANCE CONTINUES TO BE TRENDING THE STRONG  
TO SEVERE STORM THREAT FURTHER SOUTH OF THE AREA AS ANY  
REDEVELOPMENT IN THE AFTERNOON WILL LIKELY FOCUS ALONG THE  
RESIDUAL BOUNDARY FROM THE OVERNIGHT CONVECTION.  
 
 
   
AVIATION /12Z FRIDAY THROUGH TUESDAY/  
 
RAIN CONTINUES ACROSS THE SOUTHWEST PART OF THE FORECAST AREA,  
INCLUDING KFDY AND KMFD, WITH PRIMARILY MVFR VISIBILITIES.  
ELSEWHERE, BR HAS RESULTED IN MVFR VISIBILITIES WITH  
PERIODIC AND PATCHY IFR VISIBILITIES. RAIN WILL SCATTER OUT AS  
IT EXPANDS NORTHEASTWARD TO JUST SOUTH OF KTOL/KCLE AND AROUND  
KCAK BEFORE DISSIPATING BY EARLY AFTERNOON. VFR SHOULD RETURN  
AREAWIDE BY LATE THIS MORNING AND CONTINUE THROUGH THE REST OF  
THE TAF PERIOD.  
 
LIGHT AND VARIABLE WINDS OVERNIGHT TONIGHT WILL BECOME EAST-  
NORTHEAST WHILE INCREASING TO 5-10 KNOTS THIS AFTERNOON.  
 
OUTLOOK...NON-VFR POSSIBLE WITH SHOWERS AND THUNDERSTORMS  
SATURDAY AFTERNOON THROUGH SUNDAY EVENING.  
 
 
   
MARINE  
 
WEAK HIGH PRESSURE BUILDS ACROSS THE GREAT LAKES TODAY AND  
TOMORROW. CONDITIONS SHOULD BE RELATIVELY QUIET THROUGH  
SATURDAY.  
 
LOW PRESSURE MOVING EASTWARD ACROSS THE GREAT LAKES REGION  
BRINGS A WARM FRONT ACROSS LAKE ERIE SATURDAY NIGHT INTO SUNDAY  
MORNING, FOLLOWED BY A COLD FRONT SUNDAY EVENING INTO SUNDAY  
NIGHT. THERE IS A LOW POSSIBILITY FOR OFFSHORE FLOW REACHING OR  
EXCEEDING 20 KNOTS SATURDAY, THOUGH PROBABILITIES OF WINDS > 20  
KNOTS AND WAVES > 4 FT INCREASE SUNDAY INTO SUNDAY NIGHT AS  
WINDS BECOME WEST TO NORTHWEST. WILL NEED TO MONITOR THE NEED  
FOR A SMALL CRAFT ADVISORY AND BEACH HAZARD STATEMENT FOR THIS  
PERIOD.  
 
 
   
CLE WATCHES/WARNINGS/ADVISORIES  
 
OH...NONE.  
PA...NONE.  
MARINE...NONE.  
 
 
 
 
 
DISCUSSION...SAUNDERS  
AVIATION...SAUNDERS  
MARINE...SAUNDERS  
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