892
FNUS72 KTBW 271117
FWSTBW
SPOT FORECAST FOR GS2026S20...SWFWMD
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
717 AM EDT THU AUG 27 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON AUGUST 27.
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
LIGHT WINDS THIS MORNING BECOME SOUTHWEST THIS AFTERNOON. SCATTERED
STORMS ARE EXPECTED THIS AFTERNOON, EVENTUALLY SHIFTING EAST OF THE
SITE THIS EVENING.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). ISOLATED SHOWERS
AND THUNDERSTORMS EARLY IN THE AFTERNOON.
SCATTERED SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH IN
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH SHIFTING TO THE WEST
AROUND 8 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....9 INCREASING TO 26 LATE IN THE MORNING, THEN
INCREASING TO 42 EARLY IN THE AFTERNOON
DECREASING TO 30 LATE IN THE AFTERNOON.
LVORI...............5.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........29 24 15 21 35 49 55 47 49 49
WEATHER COV..... ISO SCT SCT SCT SCT
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ ISO SCT SCT SCT SCT
CHC OF PCPN (%).0 0 0 10 10 20 50 50 50 50
TEMP............74 77 82 85 88 89 89 90 86 84
RH..............98 92 82 76 68 65 64 62 71 75
20 FT WIND DIR..S S S SW SW SW SW W W W
20 FT WIND SPD..2 2 2 3 3 5 5 5 5 5
20 FT WIND GUST.6 5 6 7 8 9 12 12 10 9
MIX HGT (KFT)...0.6 1.1 1.6 2.9 3.7 4.4 4.5 4.1 3.2 2.4
TRANSP WIND DIR.S S SW SW SW SW SW SW W W
TRANSP WIND SPD.6 7 7 8 9 8 8 9 8 8
DISPERSION IDX..6 12 21 30 38 44 45 41 34 25
LVORI...........9 6 3 3 3 2 1 2 3 3
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT). SCATTERED
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,
THEN ISOLATED SHOWERS AND THUNDERSTORMS LATE IN
THE EVENING.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 73.
MAX HUMIDITY........98 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 7 MPH SHIFTING TO THE SOUTH AROUND 5
MPH IN THE LATE EVENING AND OVERNIGHT.
DISPERSION INDEX....12 DECREASING TO 1 EARLY IN THE EVENING.
LVORI...............6.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 44 44 37 39 45 39 32 34 24 20 17
WEATHER COV.....SCT SCT SCT ISO ISO
WEATHER TYPE....RW RW RW RW RW
TSTM COV........SCT SCT SCT ISO ISO
CHC OF PCPN (%).40 40 30 20 20 10 0 0 0 0 0 0
TEMP............83 79 77 76 76 75 75 75 75 74 74 74
RH..............78 86 93 93 94 94 95 95 95 96 97 96
20 FT WIND DIR..W W SW SW SE SE SE SE S SE S SE
20 FT WIND SPD..3 3 2 2 2 2 1 1 1 1 2 2
20 FT WIND GUST.8 7 6 5 5 5 3 3 3 3 5 5
MIX HGT (KFT)...1.6 1.2 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W SW SW W S SE S S S S S S
TRANSP WIND SPD.7 6 5 5 5 5 5 5 5 5 5 5
DISPERSION IDX..16 8 2 0 1 2 2 2 2 2 2 2
LVORI...........4 5 6 7 8 8 8 7 8 8 8 8
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SCATTERED SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 7 MPH SHIFTING TO THE SOUTHWEST 6 TO
7 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....6 INCREASING TO 23 LATE IN THE MORNING, THEN
INCREASING TO 42 EARLY IN THE AFTERNOON
INCREASING TO 48 EARLY IN THE AFTERNOON
DECREASING TO 36 DECREASING TO 25 LATE IN THE
AFTERNOON.
LVORI...............5.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........12 12 9 10 11 10 19 36 43 44 52 51
WEATHER COV..... SCT SCT SCT SCT
WEATHER TYPE.... RW RW RW RW
TSTM COV........ SCT SCT SCT SCT
CHC OF PCPN (%).0 0 0 0 0 10 10 10 40 50 40 50
TEMP............74 74 74 78 83 86 89 90 90 90 87 85
RH..............97 97 98 91 81 73 67 63 63 61 69 72
20 FT WIND DIR..S SE S S S S S S S SW SW SW
20 FT WIND SPD..1 1 2 2 2 3 3 3 3 3 2 2
20 FT WIND GUST.3 3 5 5 6 7 8 9 10 10 8 7
MIX HGT (KFT)...0.4 0.4 0.4 1.3 2.1 3.3 4.3 5.1 5.5 4.8 3.1 2.7
TRANSP WIND DIR.S S S S S SW SW SW SW SW SW SW
TRANSP WIND SPD.5 5 5 5 6 7 7 7 7 6 6 7
DISPERSION IDX..2 2 4 10 18 27 37 46 50 45 36 25
LVORI...........8 9 9 6 3 3 3 2 1 2 3 3
FORECASTER...CARLISLE
REQUESTED BY...GABE PENA
TYPE OF REQUEST...PRESCRIBED
.TAG 2620681.0/TBW
.DELDT 08/27/26
.FORMATTERVERSION 2.0.0
.EMAIL GABE.PENA@SWFWMD.STATE.FL.US
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