323
FNUS72 KTAE 170954
FWSTAE
SPOT FORECAST FOR BU 21-25...TNC
NATIONAL WEATHER SERVICE TALLAHASSEE FL
554 AM EDT SUN MAY 17 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (850) 942-8833, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
[UPDATE] THERE WAS AN TECHNICAL ISSUE WITH THE TABULAR DATA. WHAT
IS SHOWN BELOW IS CORRECT AND THE FORECAST HAS NOT CHANGED.
PATCHY FOG MAY BE PRESENT DURING THE EARLY MORNING HOURS TODAY
AND SHOULD LIFT SOON AFTER DAYBREAK. TRANSPORT WINDS WILL BE
SOUTHERLY AROUND 10-15 MPH TODAY. MINRH WILL BE ABOVE CRITICAL
AROUND 50%. AFTERNOON HIGHS WILL BE IN THE LOW 90S WITH HEAT INDEX
IN THE MID- 90S. THE DISPERSION INDEX WILL BE HIGH THIS AFTERNOON
WITH VALUES REACHING THE 90S. THERE IS A VERY SLIGHT (<10%)
CHANCE FOR SHOWERS AND THUNDERSTORMS THIS AFTERNOON THAT MAY
DEVELOP LATE FROM THE ATLANTIC SEA BREEZE. THUNDERSTORM CHANCES
INCREASE FOR MONDAY (AROUND 40%) WITH GUSTY AND ERRATIC WINDS
POSSIBLE AND FREQUENT LIGHTNING.
TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING
SUNNY (10-20 PERCENT).
CWR.................10 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 13 MPH.
LVORI...............5.
DISPERSION INDEX....5 INCREASING TO 82.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 42 42 15 15 15 16 16 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 10 10 10 10 10 10
TEMP............72 78 83 86 88 89 90 90 89
RH..............87 74 63 55 52 48 47 47 48
20 FT WIND DIR..S S S S S S S S S
20 FT WIND SPD..2 3 3 5 6 7 7 6 6
20 FT WIND GUST.8 9 10 13 14 15 15 14 14
MIX HGT (KFT)...1.7 2.2 2.8 3.9 4.9 6.0 6.0 6.0 5.9
TRANSP WIND DIR.S S S S S S S S S
TRANSP WIND SPD.7 9 10 12 13 13 13 13 12
DISPERSION......15 27 38 56 74 86 85 85 78
LVORI...........4 3 1 1 1 1 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................10 PERCENT.
MIN TEMPERATURE.....AROUND 69.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH SHIFTING TO THE EAST 7 TO 9
MPH OVERNIGHT.
LVORI...............4.
DISPERSION INDEX....53 DECREASING TO 4.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........15 15 15 12 12 12 8 8 8 25 25 25
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 10 10 0 0 0 0 0 0 0 0 0
TEMP............89 87 82 77 75 73 72 71 70 70 71 70
RH..............48 53 65 74 79 81 84 84 87 90 87 90
20 FT WIND DIR..S S S S S SE SE E E E E E
20 FT WIND SPD..5 3 3 2 2 1 2 2 3 3 3 3
20 FT WIND GUST.12 10 9 8 7 6 7 9 9 10 12 12
MIX HGT (KFT)...4.1 2.4 0.6 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.5 0.5
TRANSP WIND DIR.S S S S SE SE SE SE E E E E
TRANSP WIND SPD.10 8 7 6 6 7 7 7 7 7 8 9
DISPERSION......53 25 3 3 3 3 3 3 3 3 4 4
LVORI...........1 2 3 3 4 5 5 6 6 6 6 6
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......6200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 12 MPH.
LVORI...............4.
DISPERSION INDEX....5 INCREASING TO 14 EARLY IN THE MORNING, THEN
INCREASING TO 72 IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 24 24 26 26 26 29 29 29 49 49 49
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC CHC CHC CHC
CWR.............0 0 0 0 0 0 40 40 40 40 40 40
TEMP............70 69 71 74 79 83 86 88 89 89 90 91
RH..............90 93 90 87 79 70 63 59 56 54 49 45
20 FT WIND DIR..E E SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..3 5 6 6 6 6 6 6 6 5 5 5
20 FT WIND GUST.13 14 15 15 15 14 14 14 13 13 12 12
MIX HGT (KFT)...0.6 0.8 0.9 1.8 2.6 3.5 4.4 5.3 6.2 6.0 5.9 5.7
TRANSP WIND DIR.E SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.10 10 12 12 12 12 10 10 10 10 9 8
DISPERSION......4 5 14 27 39 50 58 65 75 68 61 54
LVORI...........6 6 5 4 3 2 1 1 1 1 1 1
FORECASTER...MONTGOMERY
REQUESTED BY...CATHERINE RICKETTS
TYPE OF REQUEST...PRESCRIBED
.TAG 2613848.1/TAE
.DELDT 05/17/26
.FORMATTERVERSION 2.0.0
.EMAIL C.RICKETTS@TNC.ORG
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