001
FNUS72 KTBW 211225
FWSTBW
SPOT FORECAST FOR CHASS 01F SOUTH...FLORIDA FISH AND WILDLIFE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
825 AM EDT THU AUG 21 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON AUGUST 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
A WEST TO SOUTHWEST FLOW WILL BECOME ESTABLISHED THROUGH THE WEEKEND
WITH DEEP MOISTURE SPREADING ACROSS THE AREA LEADING TO SCATTERED TO
NUMEROUS SHOWERS AND THUNDERSTORMS. RELATIVE HUMIDITY VALUES WILL
REMAIN WELL ABOVE CRITICAL THRESHOLDS AND WINDS WILL REMAIN LESS
THAN 15 MPH, EXCEPT GUSTY AND ERRATIC NEAR THUNDERSTORMS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH IN THE
LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
DISPERSION INDEX....12 INCREASING TO 43.
LVORI...............3.
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........27 36 40 36 30
WEATHER COV.....SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD
CHC OF PCPN (%).30 30 30 50 40
TEMP............84 89 91 90 90
RH..............78 67 63 64 65
20 FT WIND......W 2 W 6 W 8 W 10 W 9
20 FT WIND GUST.6 9 13 14 15
MIX HGT (FT)....1500 3200 3500 3500 2900
TRANSPORT WIND..W 5 W 8 W 10 W 10 W 10
DISPERSION IDX..12 33 44 46 39
LVORI...........4 2 1 1 2
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT). SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 76.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 12 MPH.
DISPERSION INDEX....28 DECREASING TO 4.
LVORI...............5.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........32 34 44 44 50 53
WEATHER COV.....SCTTRD ISOLTD ISOLTD ISOLTD SCTTRD SCTTRD
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD
CHC OF PCPN (%).40 20 20 20 30 40
TEMP............88 85 82 80 78 78
RH..............68 75 82 86 90 90
20 FT WIND......W 8 W 6 SW 2 SW 2 SW 2 SW 2
20 FT WIND GUST.14 9 7 6 6 6
MIX HGT (FT)....2900 1100 600 500 500 500
TRANSPORT WIND..W 12 W 10 SW 9 SW 9 SW 8 SW 8
DISPERSION IDX..28 5 3 4 3 3
LVORI...........3 3 5 5 6 6
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SCATTERED SHOWERS
EARLY IN THE MORNING. ISOLATED THUNDERSTORMS
THROUGH THE DAY. NUMEROUS SHOWERS EARLY IN THE
MORNING.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........68 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH LATE
IN THE MORNING, THEN SHIFTING TO THE WEST 8 TO
9 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH.
DISPERSION INDEX....8 INCREASING TO 46.
LVORI...............4.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........60 64 67 72 73 66
WEATHER COV.....SCTTRD NUMRUS NUMRUS NUMRUS NUMRUS NUMRUS
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD
CHC OF PCPN (%).40 70 70 70 70 70
TEMP............77 78 85 88 88 89
RH..............91 91 77 71 69 68
20 FT WIND......S 2 S 2 S 5 SW 7 W 9 W 9
20 FT WIND GUST.6 6 8 12 14 15
MIX HGT (FT)....500 700 1200 1500 1700 2300
TRANSPORT WIND..W 7 SW 6 SW 10 SW 10 SW 10 W 14
DISPERSION IDX..3 6 18 23 22 43
LVORI...........6 6 3 3 3 1
FORECASTER...PEARCE
REQUESTED BY...MELISA THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2520365.0/TBW
.DELDT 08/21/25
.FORMATTERVERSION 2.0.0
.EMAIL MELISA.THOMPSON@MYFWC.COM
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