924  
FNUS72 KTBW 210940  
FWSTBW  
 
SPOT FORECAST FOR CATFISH CR CF-19...FLDEP  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
440 AM EST FRI NOV 21 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON NOVEMBER 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (813) 645-2323 IF YOU HAVE QUESTIONS OR  
CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
HIGH PRESSURE WILL HOLD OVER THE REGION WITH CONTINUED SUNNY AND WARM  
DRY CONDITIONS ACROSS THE AREA. LIGHT WINDS WILL CREATE POOR DISPERSION  
TODAY AND SATURDAY.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT). AREAS OF FOG EARLY IN  
THE MORNING, THEN PATCHY FOG EARLY IN THE  
MORNING.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 2 MPH SHIFTING TO THE EAST 3  
TO 5 MPH IN THE AFTERNOON.  
DISPERSION INDEX....6 INCREASING TO 16 IN THE AFTERNOON.  
LVORI...............5.  
 
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........19 15 11 5 9 14 24 27 20 23 23  
WEATHER COV.....ARS PTY  
WEATHER TYPE....FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0  
TEMP............58 62 69 75 80 81 83 84 83 82 80  
RH..............96 95 79 69 57 53 49 46 47 47 53  
20 FT WIND DIR..W SW S S S SE E E E NE NE  
20 FT WIND SPD..1 1 1 2 2 3 3 3 3 3 3  
20 FT WIND GUST.2 2 3 6 7 7 7 7 7 6  
MIX HGT (KFT)...0.4 0.3 0.5 1.3 3.0 3.6 4.1 4.3 4.4 3.8 1.2  
TRANSP WIND DIR.SW S S S SE SE E E E E E  
TRANSP WIND SPD.2 2 2 3 5 5 3 3 5 3 5  
DISPERSION IDX..2 3 4 6 10 14 17 18 19 17 13  
LVORI...........8 6 4 3 2 2 2 2 2 2 2  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). PATCHY FOG  
OVERNIGHT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 59.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 8 MPH SHIFTING TO THE SOUTH 5 TO  
7 MPH OVERNIGHT.  
DISPERSION INDEX....5.  
LVORI...............6.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........26 26 22 20 21 17 18 19 23 32 37 40  
WEATHER COV..... PTY PTY PTY PTY PTY  
WEATHER TYPE.... FOG FOG FOG FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............74 71 68 67 66 64 63 62 61 60 60 60  
RH..............66 72 81 86 90 94 96 100 100 100 100 100  
20 FT WIND DIR..E E E E SE SE S S S S S S  
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.6 5 5 5 5 3 3 3 3 3 3  
MIX HGT (KFT)...0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.E E E SE SE SE SE S S S S S  
TRANSP WIND SPD.6 7 8 8 7 7 7 6 6 6 6 5  
DISPERSION IDX..7 3 2 2 3 3 3 3 2 2 3 3  
LVORI...........2 3 4 6 6 6 7 9 9 9 9 9  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT). PATCHY FOG EARLY IN THE  
MORNING.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN  
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......4300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 3 TO 6 MPH SHIFTING TO THE WEST 3 TO  
5 MPH IN THE AFTERNOON.  
DISPERSION INDEX....9 INCREASING TO 20 IN THE AFTERNOON, THEN  
DECREASING TO 12 LATE IN THE AFTERNOON.  
LVORI...............6.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........41 39 18 16 13 10 7 4 4 4 3 4  
WEATHER COV.....PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............60 60 65 71 76 79 81 83 83 83 83 80  
RH..............98 99 93 80 67 59 53 49 47 47 46 51  
20 FT WIND DIR..S SW SW SW SW SW W W W W W W  
20 FT WIND SPD..2 2 2 2 2 3 3 5 5 5 5 3  
20 FT WIND GUST.3 3 3 5 6 6 7 8 8 8 8 7  
MIX HGT (KFT)...0.3 0.3 0.3 0.7 1.5 2.5 3.5 4.1 4.3 4.2 4.1 2.8  
TRANSP WIND DIR.S S SW S SW SW W W W W W W  
TRANSP WIND SPD.6 5 5 6 5 3 3 5 3 3 3 3  
DISPERSION IDX..4 5 6 7 9 13 18 21 22 20 17 12  
LVORI...........9 9 7 4 3 2 2 2 2 2 2 2  
 
 
FORECASTER...OGLESBY  
REQUESTED BY...DAVID GRIMM  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526480.0/TBW  
.DELDT 11/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DAVID.GRIMM@FLORIDADEP.GOV  
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