519
FNUS72 KTBW 171436
FWSTBW
SPOT FORECAST FOR TCP OFFICE 130...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
ISSUED BY NATIONAL WEATHER SERVICE MELBOURNE FL
936 AM EST WED DEC 17 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON DECEMBER 17.
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 RIDGE TO THE NORTH WILL PRODUCE A NE WIND
FLOW THIS MORNING, VEERING EAST THIS AFTERNOON. HIGH CLOUDS WILL STREAM
IN FROM THE WEST WHILE SOME STRATOCUMULUS APPROACH FROM THE EAST. HIGH
TEMPERATURES WILL WARM INTO THE UPPER 70S THIS AFTERNOON WITH MIN RH
VALUES BETWEEN 55 AND 60 PERCENT. AFTERNOON DISPERSION VALUES WILL
IMPROVE TO GOOD REACHING THE MID 50S.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 9 MPH.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 13 MPH.
DISPERSION INDEX....17 INCREASING TO 29 LATE IN THE MORNING, THEN
INCREASING TO 43 EARLY IN THE AFTERNOON
INCREASING TO 55 EARLY IN THE AFTERNOON
DECREASING TO 46 DECREASING TO 33 LATE IN THE
AFTERNOON.
LVORI...............3.
TIME (EST) 10 AM NOON 2 PM 4 PM
SKY (%).........34 34 50 66
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............69 75 77 76
RH..............78 63 58 61
20 FT WIND......NE 6 E 8 E 9 E 9
20 FT WIND GUST.12 14 15 15
MIX HGT (FT)....1200 3500 4200 3600
TRANSPORT WIND..E 10 E 13 E 12 E 13
DISPERSION IDX..17 43 56 46
LVORI...........4 2 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....EAST 9 TO 12 MPH.
DISPERSION INDEX....19 DECREASING TO 6.
LVORI...............6.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........69 64 49 32 41 44
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............71 66 63 61 59 59
RH..............73 87 90 97 100 100
20 FT WIND......E 7 E 6 E 3 E 3 E 3 E 3
20 FT WIND GUST.14 12 8 8 7 7
MIX HGT (FT)....500 400 400 400 300 300
TRANSPORT WIND..E 12 E 10 E 9 E 9 E 9 E 9
DISPERSION IDX..19 4 6 5 4 4
LVORI...........3 5 7 9 9 8
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH EARLY
IN THE MORNING, THEN INCREASING TO 7 TO 10 MPH
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 17 MPH SHIFTING TO THE SOUTH 12
TO 13 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....8 INCREASING TO 20 EARLY IN THE MORNING, THEN
INCREASING TO 34 LATE IN THE MORNING INCREASING
TO 44 LATE IN THE MORNING INCREASING TO 56
DECREASING TO 44 LATE IN THE AFTERNOON
DECREASING TO 33 DECREASING TO 23 LATE IN THE
AFTERNOON.
LVORI...............5.
TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........39 40 50 55 59 63
WEATHER COV..... CHANCE CHANCE
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ S CHC
CHC OF PCPN (%).0 10 10 10 40 40
TEMP............59 63 73 79 82 81
RH..............98 98 80 67 61 63
20 FT WIND......E 3 E 5 SE 7 SE 9 SE 9 SE 8
20 FT WIND GUST.7 9 14 16 16 14
MIX HGT (FT)....400 500 1700 3400 3300 2300
TRANSPORT WIND..E 8 SE 10 SE 15 S 17 S 15 S 12
DISPERSION IDX..6 16 34 54 54 33
LVORI...........8 6 3 2 1 2
FORECASTER...KELLY (NWS MELBOURNE)
REQUESTED BY...ADAM PETERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2527873.0/TBW
.DELDT 12/17/25
.FORMATTERVERSION 2.0.0
.EMAIL APETERSON@TNC.ORG
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