379  
ACUS11 KWNS 092148  
SWOMCD  
SPC MCD 092148  
FLZ000-092315-  
 
MESOSCALE DISCUSSION 2350  
NWS STORM PREDICTION CENTER NORMAN OK  
0448 PM CDT FRI OCT 09 2026  
 
AREAS AFFECTED...THE FLORIDA PANHANDLE  
 
CONCERNING...TORNADO WATCH 677...  
 
VALID 092148Z - 092315Z  
 
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 677 CONTINUES.  
 
SUMMARY...THE MAIN TORNADO THREAT THIS EVENING WILL BE NEAR THE  
COAST AS SUPERCELLS EAST OF THE HURRICANE CORE INTERACT WITH A  
SURFACE WARM FRONT.  
 
DISCUSSION...HURRICANE ISAIAS WILL MAKE LANDFALL THIS EVENING ALONG  
THE WESTERN FL PANHANDLE COAST (SEE LATEST NHC ADVISORIES FOR  
DETAILS). EAST OF THE INNER HURRICANE CORE, BROKEN BANDS OF  
SUPERCELLS WILL CONTINUE TO SPREAD NORTHWARD INTO THE FL BIG BEND.  
AS THE HURRICANE MOVES NORTHWARD, SURFACE WARM FRONT WILL LIKEWISE  
MAKE SOME NORTHWARD PROGRESS, AS EVIDENCED BY GRADUAL INCREASES IN  
SURFACE TEMPERATURES/DEWPOINTS INTO THE MID-UPPER 70S. THESE  
SURFACE CONDITIONS WILL CONTRIBUTE TO SURFACE-BASED BUOYANCY NEAR  
AND A LITTLE INLAND FROM THE COAST OVER THE NEXT FEW HOURS. THE VWP  
FROM KTLH SHOWS A LARGE, CURVED HODOGRAPH AND ESTIMATED 0-1 KM SRH  
HAS ROUGHLY DOUBLED SINCE 19Z WITH LARGELY STREAMWISE VORTICITY IN  
THE LOW LEVELS. THE GREATEST TORNADO THREAT WILL BE WITH THE BROKEN  
CONVECTIVE BANDS/SUPERCELLS MOVING NORTHWARD INTO THE FL BIG BEND  
AND INTERACTING WITH THE ZONE OF STRONGEST LOW-LEVEL SHEAR ALONG THE  
WARM FRONT.  
 
TORNADO WATCH 677 IS SCHEDULED TO EXPIRE AT 01Z, BUT WILL BE  
REPLACED WITH A NEW WATCH BY 00-01Z.  
 
..THOMPSON.. 10/09/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...TBW...JAX...TAE...  
 
LAT...LON 29178211 29058244 29378299 29668420 29798490 29908506  
30188503 30288468 30328426 30188368 29988298 29828247  
29598214 29178211  
 
MOST PROBABLE PEAK TORNADO INTENSITY...100-125 MPH  
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