808
FNUS72 KTBW 212207
FWSTBW
SPOT FORECAST FOR COW CREEK (38)...FFS
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
607 PM EDT TUE APR 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 EDT ON APRIL 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.
..RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
DISCUSSION
EAST AND SOUTHEAST WINDS WILL CONTINUE TO WEAKEN OVERNIGHT. ON WEDNESDAY,
RELATIVE HUMIDITY PERCENTAGES ARE NOT EXPECTED TO BE AS DRY AS IT WAS
THIS AFTERNOON, BUT ARE STILL EXPECTED TO DROP INTO THE MID 30S AND
APPROACH RED FLAG CONDITIONS. EAST AND SOUTHEAST WINDS WILL CONTINUE ON
WEDNESDAY, WITH THE SEA BREEZE NOT EXPECTED TO REACH FAR ENOUGH INLAND
TO CAUSE A WIND SHIFT. WIND SPEEDS SHOULD BE SLIGHTLY LOWER THAN TODAY.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........80 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 16 MPH.
DISPERSION INDEX....72 DECREASING TO 5.
LVORI...............3.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........15 14 28 35 34 43
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............83 76 69 64 61 58
RH..............27 37 48 57 65 72
20 FT WIND......E 9 E 7 E 6 E 5 E 3 E 2
20 FT WIND GUST.16 17 16 14 10 8
MIX HGT (FT)....8100 800 500 500 400 400
TRANSPORT WIND..E 13 E 15 E 16 SE 12 SE 9 SE 8
DISPERSION IDX..72 8 2 5 4 3
LVORI...........1 2 2 3 3 3
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......7600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 12 MPH.
DISPERSION INDEX....4 INCREASING TO 27 LATE IN THE MORNING, THEN
INCREASING TO 52 LATE IN THE MORNING INCREASING
TO 69 LATE IN THE MORNING DECREASING TO 59
DECREASING TO 46 LATE IN THE AFTERNOON.
LVORI...............3.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........53 41 39 40 52 63
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............56 59 71 77 81 84
RH..............76 71 56 44 37 35
20 FT WIND......E 1 E 1 SE 3 E 6 E 6 E 7
20 FT WIND GUST.7 7 9 12 13 14
MIX HGT (FT)....400 300 4100 6400 7400 7600
TRANSPORT WIND..SE 7 SE 7 SE 12 E 10 E 10 E 9
DISPERSION IDX..1 7 52 68 48 47
LVORI...........4 3 1 1 1 1
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 13 MPH.
DISPERSION INDEX....32 DECREASING TO 5.
LVORI...............3.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........61 57 55 51 45 43
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............82 76 71 67 63 61
RH..............38 49 57 65 75 82
20 FT WIND......E 7 E 6 SE 5 SE 5 SE 3 SE 3
20 FT WIND GUST.14 14 14 13 10 9
MIX HGT (FT)....6000 800 600 400 400 400
TRANSPORT WIND..E 8 E 10 E 10 E 8 SE 7 SE 7
DISPERSION IDX..32 7 5 6 3 3
LVORI...........1 2 3 3 4 4
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 7 MPH.
DISPERSION INDEX....5 INCREASING TO 16 LATE IN THE MORNING, THEN
INCREASING TO 27 LATE IN THE MORNING INCREASING
TO 39 LATE IN THE MORNING INCREASING TO 51
INCREASING TO 62 LATE IN THE AFTERNOON
DECREASING TO 46.
LVORI...............3.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........37 28 21 22 30 33
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 10 10
TEMP............59 61 71 79 83 84
RH..............84 82 64 48 38 37
20 FT WIND......SE 2 SE 2 SE 5 SE 5 SE 6 SE 7
20 FT WIND GUST.7 7 9 12 9 9
MIX HGT (FT)....400 400 3800 6500 8500 7900
TRANSPORT WIND..SE 7 SE 7 SE 6 E 6 SE 7 SE 7
DISPERSION IDX..2 7 27 51 66 57
LVORI...........5 4 2 1 1 1
FORECASTER...FLEMING
REQUESTED BY...KAYLA RATLIFF-THOMPSON
TYPE OF REQUEST...WILDFIRE
.TAG 2611236.0/TBW
.DELDT 04/21/26
.FORMATTERVERSION 2.0.0
.EMAIL KAYLA.RATLIFF-THOMPSON@FDACS.GOV
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