938
FNUS72 KTBW 300707
FWSTBW
SPOT FORECAST FOR GS2026F2...SWFWMD
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
307 AM EDT WED SEP 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON SEPTEMBER 30.
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
AS HIGH PRESSURE SETS UP NORTHEAST OF FLORIDA, SOUTHEAST WINDS WILL
INCREASE AND TURN TO EASTERLY BY THURSDAY. WITH INCREASING MOISTURE,
SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON,
THEN NUMEROUS STORM COVERAGE IS EXCEPTED THURSDAY AFTERNOON.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). ISOLATED SHOWERS
EARLY IN THE AFTERNOON. ISOLATED THUNDERSTORMS
LATE IN THE AFTERNOON. SCATTERED SHOWERS LATE
IN THE AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH LATE
IN THE MORNING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......5300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 8 MPH.
DISPERSION INDEX....13 INCREASING TO 29 LATE IN THE MORNING, THEN
INCREASING TO 39 LATE IN THE AFTERNOON
DECREASING TO 29 LATE IN THE AFTERNOON.
LVORI...............4.
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........43 51 60 67 69
WEATHER COV..... SCTTRD SCTTRD
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ ISOLTD ISOLTD
CHC OF PCPN (%).0 0 10 30 30
TEMP............74 82 87 89 86
RH..............90 69 59 55 60
20 FT WIND......SE 2 SE 6 SE 6 SE 6 SE 5
20 FT WIND GUST.5 9 12 10 9
MIX HGT (FT)....700 2900 4500 5200 3400
TRANSPORT WIND..SE 3 SE 7 SE 8 SE 6 E 7
DISPERSION IDX..9 25 39 40 29
LVORI...........6 2 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT). SCATTERED
SHOWERS EARLY IN THE EVENING. ISOLATED
THUNDERSTORMS IN THE EVENING. ISOLATED SHOWERS
LATE IN THE EVENING.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........97 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 6 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 8 MPH.
DISPERSION INDEX....16 DECREASING TO 4 EARLY IN THE EVENING.
LVORI...............5.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........72 74 57 60 46 47
WEATHER COV.....SCTTRD SCTTRD ISOLTD
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE
TSTM COV........ISOLTD ISOLTD ISOLTD
CHC OF PCPN (%).30 30 20 10 0 0
TEMP............85 78 76 75 73 73
RH..............63 78 85 89 93 94
20 FT WIND......E 5 E 6 SE 6 E 6 E 5 E 5
20 FT WIND GUST.9 9 9 9 7 7
MIX HGT (FT)....2100 900 500 400 400 400
TRANSPORT WIND..E 7 E 8 E 8 SE 6 E 7 SE 7
DISPERSION IDX..20 5 4 5 5 5
LVORI...........2 4 5 5 6 6
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). ISOLATED SHOWERS
EARLY IN THE AFTERNOON. ISOLATED THUNDERSTORMS
LATE IN THE AFTERNOON. SCATTERED SHOWERS LATE
IN THE AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......4700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 12 MPH.
DISPERSION INDEX....5 INCREASING TO 15 LATE IN THE MORNING, THEN
INCREASING TO 27 LATE IN THE MORNING INCREASING
TO 41 LATE IN THE MORNING DECREASING TO 31.
LVORI...............4.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........43 25 37 45 49 58
WEATHER COV..... ISOLTD SCTTRD
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ ISOLTD ISOLTD
CHC OF PCPN (%).0 0 0 0 20 40
TEMP............72 73 81 87 89 87
RH..............95 97 81 65 59 65
20 FT WIND......E 5 E 6 E 8 E 10 E 10 E 9
20 FT WIND GUST.8 9 13 16 18 17
MIX HGT (FT)....400 400 2100 3600 4400 3600
TRANSPORT WIND..E 7 E 6 E 10 E 12 E 12 SE 10
DISPERSION IDX..3 6 27 42 45 38
LVORI...........7 6 3 1 1 2
FORECASTER...FLEMING
REQUESTED BY...CHRIS GREEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2622804.0/TBW
.DELDT 09/30/26
.FORMATTERVERSION 2.0.0
.EMAIL CHRIS.GREEN@SWFWMD.STATE.FL.US
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