938
FNUS72 KMFL 210809
FWSMFL
SPOT FORECAST FOR HUNGRYLAND SLOUGH UNIT 4...PALM BEACH COUNTY ENVIRONMENTAL RESOURCES
NATIONAL WEATHER SERVICE MIAMI FL
409 AM EDT THU MAY 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (305) 229-4522, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
LIGHT AND VARIABLE WINDS EARLY THIS MORNING WILL BECOME
SOUTHEASTERLY SHORTLY AFTER DAYBREAK, PERSISTING THROUGH THE
EVENING. SIMILAR CONDITIONS ARE EXPECTED ON FRIDAY. THERE IS A
LOW- END CHANCE OF A FEW SHOWERS AND STORMS EACH AFTERNOON, BUT
ACTIVITY SHOULD MOSTLY DEVELOP WEST AND INLAND OF THE SITE.
GENERALLY GOOD DISPERSION RATES AND HUMIDITY VALUES ARE FORECAST
EACH DAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH IN
THE LATE MORNING AND AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY
IN THE AFTERNOON.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 13 MPH.
DISPERSION INDEX....13 INCREASING TO 51.
LVORI...............3.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........14 29 25 23 34 25 28 19 16 16
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).0 10 10 10 10 20 20 20 10 10
TEMP............79 82 85 86 87 87 87 87 87 88
RH..............85 79 70 68 65 63 63 65 63 59
20 FT WIND DIR..E SE E E SE SE E E E E
20 FT WIND SPD..3 5 6 7 8 8 8 9 9 9
20 FT WIND GUST.9 10 12 14 15 16 16 17 17 17
MIX HGT (KFT)...0.5 1.4 2.6 3.6 4.0 4.2 4.2 4.4 4.4 4.0
TRANSP WIND DIR.SE SE SE SE SE E E E E E
TRANSP WIND SPD.8 9 10 12 12 12 12 12 13 13
DISPERSION IDX..8 17 32 47 53 55 50 53 53 55
LVORI...........4 3 3 1 1 1 1 1 1 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 77.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 13 MPH.
DISPERSION INDEX....46 DECREASING TO 6.
LVORI...............3.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........14 18 16 13 22 13 36 46 47 44 44 33
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 0 0
TEMP............86 85 83 81 80 79 79 79 79 78 78 77
RH..............63 65 70 77 79 82 82 82 82 85 85 88
20 FT WIND DIR..E E E E SE SE E E E SE E E
20 FT WIND SPD..8 8 7 6 5 5 3 3 3 3 3 3
20 FT WIND GUST.16 17 15 14 13 12 12 10 10 10 10 10
MIX HGT (KFT)...3.0 1.7 0.7 0.4 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E E E E E E E SE SE SE SE SE
TRANSP WIND SPD.13 13 13 12 12 12 10 10 9 9 9 9
DISPERSION IDX..46 28 7 6 5 5 5 5 5 5 5 5
LVORI...........1 3 3 4 4 4 4 5 5 5 5 5
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........64 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH EARLY
IN THE MORNING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 13 MPH.
DISPERSION INDEX....7 INCREASING TO 51.
LVORI...............3.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........41 29 28 43 55 42 50 44 43 34 34 30
WEATHER COV..... SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH
CHC OF PCPN (%).0 0 0 0 10 10 10 20 20 20 20 20
TEMP............77 78 80 83 86 86 87 88 87 88 89 87
RH..............88 85 82 77 72 70 68 66 68 66 64 65
20 FT WIND DIR..E E E SE SE SE E E E E E E
20 FT WIND SPD..3 3 5 7 8 8 9 9 9 9 9 9
20 FT WIND GUST.10 10 13 14 15 16 17 17 18 18 18 17
MIX HGT (KFT)...0.4 0.4 0.7 1.5 2.5 3.4 4.0 4.3 4.4 4.5 4.4 4.0
TRANSP WIND DIR.SE E E SE SE SE SE SE SE SE E E
TRANSP WIND SPD.9 9 9 10 12 13 13 13 13 13 13 13
DISPERSION IDX..4 4 10 22 39 53 54 51 49 49 49 47
LVORI...........5 5 4 3 3 2 1 1 1 1 1 1
FORECASTER...TORRES-VAZQUEZ
REQUESTED BY...HARPER CARROLL
TYPE OF REQUEST...PRESCRIBED
.TAG 2614171.0/MFL
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
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