113
FNUS72 KTBW 151118
FWSTBW
SPOT FORECAST FOR ST2026W7...SWFWMD
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
718 AM EDT THU OCT 15 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON OCTOBER 15.
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
LOW RAIN CHANCES CONTINUE TODAY, THEN A COLD FRONT APPROACHES AND
BRINGS A CHANCE FOR SHOWERS AND STORMS TOMORROW AFTERNOON. WINDS
REMAIN EAST/NORTHEAST THEN TURN ONSHORE WITH THE SEA BREEZE TOMORROW
AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 6 MPH EARLY IN THE MORNING
BECOMING LIGHT.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
DISPERSION INDEX....12 INCREASING TO 28 IN THE LATE MORNING AND
EARLY AFTERNOON, THEN DECREASING TO 21 LATE IN
THE AFTERNOON.
LVORI...............4.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 3 2 3 4 8 10 11 17 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10
TEMP............71 74 79 83 86 88 89 90 89 88
RH..............95 89 80 73 64 60 57 55 55 57
20 FT WIND DIR..E E E E E E E NE NE NE
20 FT WIND SPD..5 5 6 6 6 5 5 3 3 3
20 FT WIND GUST.8 8 9 12 10 9 8 7 7 7
MIX HGT (KFT)...0.4 0.6 1.4 2.8 3.5 3.9 4.1 4.2 4.0 3.5
TRANSP WIND DIR.E E E E SE SE E E E NE
TRANSP WIND SPD.7 8 10 9 7 7 5 5 5 5
DISPERSION IDX..7 16 25 32 31 27 23 22 21 20
LVORI...........6 5 3 2 1 1 2 2 2 2
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........95 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE
LATE EVENING AND OVERNIGHT, THEN BECOMING LIGHT
AFTER 3 AM.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 9 MPH SHIFTING TO THE EAST 7 TO
10 MPH LATE IN THE EVENING.
DISPERSION INDEX....11 DECREASING TO 4 EARLY IN THE EVENING.
LVORI...............4.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........19 15 14 16 19 18 16 14 14 12 9 12
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 0 10 10 0 0 0 0 0 0 0 0
TEMP............86 82 80 79 78 77 76 75 75 74 74 74
RH..............62 72 76 80 82 84 87 89 91 92 93 93
20 FT WIND DIR..N N NE NE E E E E E E E E
20 FT WIND SPD..3 3 3 5 6 6 6 5 5 3 3 3
20 FT WIND GUST.7 7 8 9 12 13 12 10 9 8 8 7
MIX HGT (KFT)...1.9 0.6 0.5 0.4 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.NE NE NE E E E E E E E E E
TRANSP WIND SPD.5 6 7 7 9 10 10 9 8 8 8 7
DISPERSION IDX..14 8 3 2 3 5 4 4 4 3 3 3
LVORI...........2 3 4 5 5 5 5 6 6 6 6 6
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........66 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH LATE
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 8 MPH SHIFTING TO THE WEST
AROUND 7 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....8 INCREASING TO 19 IN THE LATE MORNING AND
AFTERNOON.
LVORI...............5.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 18 20 18 17 18 19 34 44 52 53 63
WEATHER COV..... SCT SCT SCT
WEATHER TYPE.... RW RW RW
TSTM COV........ ISO ISO ISO
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 30 40 30
TEMP............74 74 74 77 82 84 86 88 88 87 86 83
RH..............94 94 95 91 79 75 70 66 66 67 70 75
20 FT WIND DIR..E E E E E SE SE SE W W NW NW
20 FT WIND SPD..3 3 3 2 3 3 3 3 3 5 6 6
20 FT WIND GUST.7 7 6 6 7 7 7 6 7 8 9 9
MIX HGT (KFT)...0.4 0.4 0.4 1.1 1.7 2.5 3.1 3.7 3.9 3.2 2.0 1.5
TRANSP WIND DIR.E E E SE SE SE SE S S SW W NW
TRANSP WIND SPD.7 7 7 7 8 7 7 6 5 6 7 7
DISPERSION IDX..4 5 7 12 17 22 23 23 21 20 17 14
LVORI...........6 6 6 5 3 3 3 3 3 3 3 3
FORECASTER...CARLISLE
REQUESTED BY...ANNE BLANCHARD
TYPE OF REQUEST...PRESCRIBED
.TAG 2623822.0/TBW
.DELDT 10/15/26
.FORMATTERVERSION 2.0.0
.EMAIL ANNE.BLANCHARD@SWFWMD.STATE.FL.US
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