370
FNUS72 KTBW 181155
FWSTBW
SPOT FORECAST FOR CHASS 02K_03K...FLORIDA FISH AND WILDLIFE
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
755 AM EDT TUE AUG 18 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON AUGUST 18.
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.
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT
THIS EVENING...
DISCUSSION
HIGH PRESSURE CONTINUES TO BE IN CONTROL WITH WARM AND HUMID
CONDITIONS EXPECTED THROUGH THE PERIOD WITH MINIMAL FIRE
CONCERNS. MOISTURE INCREASE GRADUALLY THROUGH THE WEEK AND ALONG
WITH IT CHANCES OF SHOWERS AND STORMS. MOST OF IT TODAY SHOULD
STAY NORTH OF THE I-4, BUT COVERAGE WILL INCREASE THROUGH THE
WEEK. THE MAIN CONCERN WILL BE THE HEAT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). ISOLATED SHOWERS
AND THUNDERSTORMS EARLY IN THE MORNING, THEN
SCATTERED SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........65 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 13 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 15 MPH.
DISPERSION INDEX....9 INCREASING TO 47.
LVORI...............3.
TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........25 27 32 27 34
WEATHER COV..... ISOLTD SCTTRD SCTTRD SCTTRD
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ ISOLTD ISOLTD SCTTRD SCTTRD
CHC OF PCPN (%).10 20 30 30 30
TEMP............81 89 92 92 93
RH..............90 76 68 67 65
20 FT WIND......W 6 W 9 W 12 W 12 W 13
20 FT WIND GUST.13 15 17 18 20
MIX HGT (FT)....600 2900 2900 3000 2900
TRANSPORT WIND..W 9 W 13 W 14 W 14 W 15
DISPERSION IDX..9 34 48 45 48
LVORI...........5 3 1 1 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT). ISOLATED SHOWERS
AND THUNDERSTORMS EARLY IN THE EVENING.
ISOLATED SHOWERS AND THUNDERSTORMS LATE IN THE
EVENING.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 79.
MAX HUMIDITY........94 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH IN THE EVENING BECOMING
LIGHT, THEN BECOMING WEST AROUND 5 MPH
OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 15 MPH.
DISPERSION INDEX....34 DECREASING TO 6.
LVORI...............5.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........48 61 57 54 44 29
WEATHER COV.....ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD
WEATHER TYPE....RNSHWR RNSHWR NONE RNSHWR RNSHWR RNSHWR
TSTM COV........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD
CHC OF PCPN (%).20 20 10 20 20 20
TEMP............91 86 83 82 82 80
RH..............68 80 85 88 88 90
20 FT WIND......W 10 W 7 W 6 W 5 W 5 W 5
20 FT WIND GUST.17 14 13 12 12 12
MIX HGT (FT)....2400 900 500 400 400 400
TRANSPORT WIND..W 15 W 10 W 9 W 9 W 9 W 10
DISPERSION IDX..34 8 5 6 6 4
LVORI...........3 4 5 5 5 6
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). NUMEROUS SHOWERS
IN THE MORNING. SCATTERED THUNDERSTORMS THROUGH
THE DAY. SCATTERED SHOWERS IN THE AFTERNOON.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........69 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE MORNING. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE MORNING, THEN GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3100 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 14 MPH.
DISPERSION INDEX....6 INCREASING TO 41.
LVORI...............4.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........29 42 53 53 65 61
WEATHER COV.....ISOLTD SCTTRD NUMRUS SCTTRD SCTTRD SCTTRD
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ISOLTD ISOLTD ISOLTD SCTTRD SCTTRD SCTTRD
CHC OF PCPN (%).20 40 70 40 40 30
TEMP............79 80 86 90 91 91
RH..............93 94 83 73 70 71
20 FT WIND......W 5 W 5 W 7 W 8 W 10 W 9
20 FT WIND GUST.12 10 13 14 16 16
MIX HGT (FT)....400 700 2200 2500 2600 3000
TRANSPORT WIND..W 8 W 8 W 10 W 12 W 13 W 12
DISPERSION IDX..4 8 22 34 39 42
LVORI...........6 6 3 3 3 3
FORECASTER...PEARCE
REQUESTED BY...MELISA THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2619908.0/TBW
.DELDT 08/18/26
.FORMATTERVERSION 2.0.0
.EMAIL MELISA.THOMPSON@MYFWC.COM
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