346
FNUS72 KTBW 210920
FWSTBW
SPOT FORECAST FOR HICKORY HAMMOCK...SOUTH FLORIDA WATER MANAGEMENT DISTRICT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
520 AM EDT THU AUG 21 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON AUGUST 21.
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
A WEST TO SOUTHWEST FLOW WILL BECOME ESTABLISHED THROUGH THE WEEKEND
WITH DEEP MOISTURE SPREADING ACROSS THE AREA LEADING TO SCATTERED TO
NUMEROUS SHOWERS AND THUNDERSTORMS. RELATIVE HUMIDITY VALUES WILL
REMAIN WELL ABOVE CRITICAL THRESHOLDS AND WINDS WILL REMAIN LESS
THAN 15 MPH, EXCEPT GUSTY AND ERRATIC NEAR THUNDERSTORMS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THIS MORNING, THEN
BECOMING PARTLY CLOUDY (45-55 PERCENT) IN THE
AFTERNOON. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 9 MPH IN THE
LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 14 MPH.
DISPERSION INDEX....19 INCREASING TO 64 EARLY IN THE AFTERNOON, THEN
DECREASING TO 48 LATE IN THE AFTERNOON
LVORI...............3.
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........15 30 45 50 55
WEATHER COV..... SCTTRD NUMRUS NUMRUS
WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR
TSTM COV........ ISOLTD SCTTRD SCTTRD
CHC OF PCPN (%).0 10 30 60 70
TEMP............84 90 93 93 90
RH..............76 61 55 54 57
20 FT WIND......W 3 W 6 W 7 W 9 W 9
20 FT WIND GUST.8 12 14 17 18
MIX HGT (FT)....1300 3700 4400 4200 3100
TRANSPORT WIND..W 8 W 12 W 13 W 14 W 13
DISPERSION IDX..19 54 64 61 48
LVORI...........4 2 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (20-30 PERCENT). NUMEROUS SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING.
CHANCE OF PCPN......70 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........97 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH EARLY IN THE EVENING
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH.
DISPERSION INDEX....34 DECREASING TO 5.
LVORI...............5.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........55 50 40 20 20 25
WEATHER COV.....NUMRUS SCTTRD
WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE NONE
TSTM COV........ISOLTD ISOLTD
CHC OF PCPN (%).70 30 10 0 0 0
TEMP............87 83 79 78 77 76
RH..............64 75 85 91 91 94
20 FT WIND......W 9 SW 6 SW 3 SW 2 SW 2 SW 2
20 FT WIND GUST.18 14 8 5 5 5
MIX HGT (FT)....1500 600 400 400 400 400
TRANSPORT WIND..W 13 W 9 W 8 W 8 SW 7 SW 6
DISPERSION IDX..34 7 4 3 3 3
LVORI...........2 4 5 6 6 6
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) IN THE MORNING,
BECOMING MOSTLY CLOUDY (60-70 PERCENT) IN THE
AFTERNOON. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE LATE MORNING, THEN
WIDESPREAD SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
THE LATE MORNING, THEN SHIFTING TO WEST IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......4700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 13 MPH.
DISPERSION INDEX....3 INCREASING TO 28 LATE IN THE MORNING,
INCREASING TO 70 EARLY IN THE AFTERNOON,
THEN DECREASING TO 48 LATE IN THE AFTERNOON.
LVORI...............5.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........20 20 30 40 60 65
WEATHER COV..... ISOLTD SCTTRD WIDSPD WIDSPD
WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ ISOLTD ISOLTD ISOLTD ISOLTD
CHC OF PCPN (%).0 10 20 30 80 80
TEMP............75 78 87 91 93 90
RH..............96 93 71 59 54 59
20 FT WIND......S 2 SW 3 SW 5 SW 6 W 7 W 8
20 FT WIND GUST.5 6 9 13 14 16
MIX HGT (FT)....300 400 2400 4500 4700 3800
TRANSPORT WIND..SW 6 SW 5 SW 7 W 10 W 13 W 13
DISPERSION IDX..2 4 28 55 70 59
LVORI...........8 6 3 1 1 1
FORECASTER...CLOSE
REQUESTED BY...ANDREW WEST
TYPE OF REQUEST...PRESCRIBED
.TAG 2520296.0/TBW
.DELDT 08/21/25
.FORMATTERVERSION 2.0.0
.EMAIL ANWEST@SFWMD.GOV
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