045
FNUS72 KTBW 181127
FWSTBW
SPOT FORECAST FOR BSP_16...CELM
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
727 AM EDT FRI SEP 18 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON SEPTEMBER 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.
DISCUSSION
HIGH PRESSURE HOLDING NORTH OF FLORIDA WILL KEEP EAST AND NORTHEAST
WINDS IN PLACE TODAY AND SATURDAY. RAIN CHANCES WILL GRADUALLY
INCREASE FROM SOUTH TO NORTH THROUGH THE START OF THE WEEKEND. NO
HUMIDITY CONCERNS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). ISOLATED SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
SCATTERED SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 12 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 14 MPH.
DISPERSION INDEX....10 INCREASING TO 58.
LVORI...............4.
TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........16 16 34 44 43
WEATHER COV..... ISOLTD ISOLTD
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ ISOLTD ISOLTD
CHC OF PCPN (%).0 0 10 20 20
TEMP............74 82 87 88 88
RH..............95 80 68 64 62
20 FT WIND......NE 8 NE 10 NE 12 E 12 E 10
20 FT WIND GUST.14 16 17 17 17
MIX HGT (FT)....500 2000 3900 4200 4200
TRANSPORT WIND..NE 10 E 14 E 14 E 12 E 12
DISPERSION IDX..10 35 47 44 57
LVORI...........6 3 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (20-30 PERCENT). SCATTERED
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,
THEN ISOLATED SHOWERS AND THUNDERSTORMS EARLY
IN THE EVENING.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT, THEN BECOMING
NORTHEAST AROUND 5 MPH EARLY IN THE MORNING.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 12 MPH.
DISPERSION INDEX....43 DECREASING TO 4.
LVORI...............5.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........55 55 37 19 11 6
WEATHER COV.....SCTTRD ISOLTD
WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE NONE
TSTM COV........SCTTRD ISOLTD
CHC OF PCPN (%).30 20 10 0 0 0
TEMP............85 78 77 75 74 73
RH..............69 84 88 92 95 98
20 FT WIND......E 9 NE 7 E 6 E 5 NE 3 NE 3
20 FT WIND GUST.16 13 12 9 7 7
MIX HGT (FT)....2800 500 500 400 400 400
TRANSPORT WIND..E 12 E 9 E 8 E 7 E 6 NE 6
DISPERSION IDX..43 6 1 3 3 2
LVORI...........1 4 6 6 8 9
SATURDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
SUNNY (55-65 PERCENT). ISOLATED THUNDERSTORMS
LATE IN THE AFTERNOON. SCATTERED SHOWERS LATE
IN THE AFTERNOON. SCATTERED THUNDERSTORMS LATE
IN THE AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 8 MPH.
DISPERSION INDEX....4 INCREASING TO 16 LATE IN THE MORNING, THEN
INCREASING TO 32 LATE IN THE MORNING DECREASING
TO 26 LATE IN THE AFTERNOON.
LVORI...............5.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........5 7 10 26 56 64
WEATHER COV..... SCTTRD
WEATHER TYPE....NONE NONE NONE NONE NONE RNSHWR
TSTM COV........ ISOLTD
CHC OF PCPN (%).0 0 0 0 0 30
TEMP............72 73 81 86 89 86
RH..............99 99 83 70 62 67
20 FT WIND......NE 5 NE 5 E 6 E 6 E 6 E 5
20 FT WIND GUST.7 8 9 9 9 9
MIX HGT (FT)....400 400 2300 4000 4900 4400
TRANSPORT WIND..NE 6 NE 6 NE 7 NE 6 E 6 E 8
DISPERSION IDX..2 6 20 32 36 32
LVORI...........9 9 3 3 1 3
FORECASTER...PEARCE
REQUESTED BY...NICK ALFANO
TYPE OF REQUEST...PRESCRIBED
.TAG 2622113.0/TBW
.DELDT 09/18/26
.FORMATTERVERSION 2.0.0
.EMAIL ALFANON@HILLSBOROUGHCOUNTY.ORG
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