511  
FNUS72 KTBW 011239  
FWSTBW  
 
SPOT FORECAST FOR CHASS 09B...FLORIDA FISH AND WILDLIFE  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
839 AM EDT TUE JUL 1 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON JULY 01.  
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
 
 
DEEP MOISTURE REMAINS OVER THE AREA, WITH NO HUMIDITY CONCERNS.  
SCATTERED TO NUMEROUS SHOWERS AND STORMS ARE EXPECTED TODAY, MAINLY  
IN THE AFTERNOON AND EARLY EVENING, THEN ANOTHER ROUND ON WEDNESDAY  
STARTING IN THE EARLY MORNING AND CONTINUING THROUGH THE AFTERNOON  
AND EARLY EVENING. SPOTTY HIGH DISPERSION INDICES ARE EXPECTED BOTH  
AFTERNOONS.  
 
FOG POTENTIAL...NO SIGNIFICANT FOG IS EXPECTED.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SCATTERED SHOWERS  
AND THUNDERSTORMS LATE IN THE MORNING.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH SHIFTING TO THE  
SOUTHWEST AROUND 10 MPH LATE IN THE AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS LATE IN THE MORNING.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 14 MPH.  
DISPERSION INDEX....36 INCREASING TO 55 LATE IN THE MORNING, THEN  
INCREASING TO 61 EARLY IN THE AFTERNOON  
DECREASING TO 52 LATE IN THE AFTERNOON  
DECREASING TO 42.  
LVORI...............2.  
 
TIME (EDT) 10 AM NOON 2 PM 4 PM  
SKY (%).........33 44 68 72  
WEATHER COV..... SCTTRD SCTTRD SCTTRD  
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR  
TSTM COV........ SCTTRD SCTTRD SCTTRD  
CHC OF PCPN (%).10 30 50 50  
TEMP............83 89 90 87  
RH..............70 56 51 55  
20 FT WIND......S 6 S 8 SW 10 SW 10  
20 FT WIND GUST.10 13 15 16  
MIX HGT (FT)....2300 3900 4200 3100  
TRANSPORT WIND..S 12 S 12 SW 13 SW 14  
DISPERSION IDX..36 59 63 52  
LVORI...........3 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT). SCATTERED  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
MIN TEMPERATURE.....AROUND 73.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH.  
DISPERSION INDEX....30 DECREASING TO 6.  
LVORI...............5.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........68 61 44 53 46 55  
WEATHER COV.....SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD  
CHC OF PCPN (%).50 40 40 30 30 30  
TEMP............84 82 79 76 75 74  
RH..............68 74 82 86 93 94  
20 FT WIND......SW 9 SW 6 S 5 S 3 S 2 S 3  
20 FT WIND GUST.14 12 9 8 7 8  
MIX HGT (FT)....2300 1200 500 500 400 400  
TRANSPORT WIND..SW 14 SW 13 SW 10 S 8 S 7 S 9  
DISPERSION IDX..30 8 4 3 3 3  
LVORI...........3 3 5 6 6 7  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SCATTERED SHOWERS  
EARLY IN THE MORNING. SCATTERED THUNDERSTORMS  
THROUGH THE DAY. NUMEROUS SHOWERS EARLY IN THE  
MORNING.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........64 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 12 MPH.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 17 MPH.  
DISPERSION INDEX....8 INCREASING TO 17 EARLY IN THE MORNING, THEN  
INCREASING TO 32 LATE IN THE MORNING INCREASING  
TO 49 LATE IN THE MORNING INCREASING TO 58  
DECREASING TO 43 LATE IN THE AFTERNOON  
DECREASING TO 36.  
LVORI...............4.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........51 46 42 67 79 80  
WEATHER COV.....SCTTRD NUMRUS NUMRUS NUMRUS NUMRUS NUMRUS  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD  
CHC OF PCPN (%).40 70 70 70 70 70  
TEMP............74 77 83 87 87 84  
RH..............96 89 74 66 64 71  
20 FT WIND......S 3 S 5 S 8 SW 9 SW 10 SW 10  
20 FT WIND GUST.8 9 13 15 18 17  
MIX HGT (FT)....500 1100 2800 3400 2600 2400  
TRANSPORT WIND..S 12 S 12 S 15 S 16 SW 17 SW 16  
DISPERSION IDX..6 17 49 60 46 40  
LVORI...........7 4 3 1 1 3  
 

 
FORECASTER...RDAVIS  
REQUESTED BY...MELISA THOMPSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2517032.0/TBW  
.DELDT 07/01/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MELISA.THOMPSON@MYFWC.COM  
 
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