940  
FNUS72 KTBW 201413  
FWSTBW  
 
SPOT FORECAST FOR DEEP CREEK RX...SOUTHWEST FLORIDA WATER MANAGEMENT DISTRICT  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
1013 AM EDT WED AUG 20 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON AUGUST 20.  
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
 
 
SOME DRIER AIR ALONG WITH NORTHWESTERLY FLOW WILL LIMIT THE OVERALL  
SHOWER AND THUNDERSTORM ACTIVITY TODAY. RELATIVE HUMIDITY VALUES WILL  
REMAIN WELL ABOVE CRITICAL THRESHOLDS AND WINDS SHOULD REMAIN LESS  
THAN 15 MPH. FOR THE REMAINDER OF THE WEEK THROUGH THE WEEKEND A WEST  
TO SOUTHWEST FLOW SETS UP WITH MOISTURE RETURN ALONG WITH HIGHER  
SHOWER AND THUNDERSTORM CHANCES. THERE ARE NO SIGNIFICANT FIRE  
WEATHER CONCERNS AT THIS TIME.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). ISOLATED SHOWERS  
AND THUNDERSTORMS LATE IN THE MORNING.  
SCATTERED SHOWERS AND THUNDERSTORMS LATE IN THE  
AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE  
MORNING.  
MIXING HEIGHT.......5000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 6 TO 12 MPH SHIFTING TO THE WEST  
AROUND 12 MPH LATE IN THE AFTERNOON.  
DISPERSION INDEX....5 INCREASING TO 61.  
LVORI...............4.  
 
TIME (EDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........15 19 30 39 43 37  
WEATHER COV..... ISOLTD ISOLTD SCTTRD SCTTRD  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ ISOLTD ISOLTD SCTTRD SCTTRD  
CHC OF PCPN (%).0 0 20 20 30 30  
TEMP............75 81 87 90 92 90  
RH..............96 85 70 62 57 60  
20 FT WIND......N 5 N 6 NW 7 NW 8 NW 9 W 10  
20 FT WIND GUST.8 9 12 13 14 15  
MIX HGT (FT)....400 1100 3100 4300 4600 4100  
TRANSPORT WIND..N 6 N 8 NW 9 NW 10 NW 12 W 12  
DISPERSION IDX..2 17 37 55 64 57  
LVORI...........7 4 2 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). SCATTERED SHOWERS  
AND THUNDERSTORMS EARLY IN THE EVENING, THEN  
ISOLATED SHOWERS AND THUNDERSTORMS EARLY IN THE  
EVENING.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 77.  
MAX HUMIDITY........92 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 10 MPH IN THE EVENING BECOMING  
LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
DISPERSION INDEX....41 DECREASING TO 5.  
LVORI...............4.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........35 31 20 15 15 18  
WEATHER COV.....SCTTRD ISOLTD ISOLTD  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE  
TSTM COV........SCTTRD ISOLTD ISOLTD  
CHC OF PCPN (%).30 20 20 10 10 10  
TEMP............88 84 82 79 78 77  
RH..............63 74 78 85 88 89  
20 FT WIND......W 10 W 8 W 6 W 5 W 3 W 2  
20 FT WIND GUST.15 14 12 9 7 7  
MIX HGT (FT)....3100 600 500 400 400 400  
TRANSPORT WIND..W 10 W 10 W 8 NW 6 W 6 W 5  
DISPERSION IDX..41 7 2 3 2 2  
LVORI...........1 3 4 5 6 7  
 

 
FORECASTER...PEARCE  
REQUESTED BY...CODY PHILLIPS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2520290.0/TBW  
.DELDT 08/20/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CODY.PHILLIPS@SWFWMD.STATE.FL.US  
 
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