239
FNUS72 KMLB 232132
FWSMLB
SPOT FORECAST FOR MASCOTTE KNIGHT ST HAZMAT...LAKE COUNTY EMERGENCY MANAGMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
532 PM EDT THU JUL 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 EDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LOCAL OBSERVATIONS INDICATE SOUTHERLY WINDS AROUND 5-10 MPH AT THE
INCIDENT SITE AS OF 5:30 PM. WINDS ARE EXPECTED TO SHIFT EASTERLY
AT 5-10 MPH BETWEEN 6:30 AND 7:00 PM AS THE EAST COAST SEA BREEZE
PUSHES THROUGH (TIMING UPDATED BASED ON MORE ACCURATE TRACKING).
ISOLATED SHOWERS WILL ACCOMPANY THE SEA BREEZE BOUNDARY, AND A
LIGHTNING STORM CAN'T BE RULED OUT. HIGHEST CHANCES FOR LIGHTNING
STORMS (AROUND 30%) WEST OF THE SITE ON THE SEA BREEZE COLLISION.
WINDS BECOME LIGHT AND VARIABLE AFTER 8:00 PM. DRY CONDITIONS
OVERNIGHT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 76.
MAX HUMIDITY........97 PERCENT.
SURFACE WINDS (MPH).SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE EAST IN
THE EVENING, THEN BECOMING LIGHT LATE.
MIXING HEIGHT.......5000 FT AGL DECREASING TO 400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 9 MPH.
CEILING (KFT).......3.8 TO 7.4 LATE IN THE EVENING, THEN INCREASING
TO 21 TO 25 OVERNIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........30 30 17 14 14 13 10 20 33 27 26 26
WEATHER COV.....SCH SCH
WEATHER TYPE....RW RW
TSTM COV........SCH SCH
CHC OF PCPN (%).20 20 10 10 10 10 0 0 0 0 0 0
TEMP............94 92 88 85 83 82 81 79 79 78 77 76
RH..............51 56 66 70 74 77 79 88 88 91 90 94
SURFACE WND DIR.S E E E SE SE SE SE E E E E
SURFACE WND SPD.7 7 7 6 6 5 3 3 2 1 1 1
SURFACE WND GST.13 13 12 10 10 10 8 6 5 3 3 3
MIX HGT (KFT)...5.0 2.6 0.6 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E E E E E SE SE SE SE SE SE E
TRANSP WIND SPD.7 9 9 9 9 8 8 7 7 6 5 5
CEILING (KFT)...4.7 3.8 4.3 7.4 12 18 21 23 21 23 24 25
FRIDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........51 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING EAST 5 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......2300 FT AGL INCREASING TO 6000 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
CEILING (KFT).......20 TO 25 LATE IN THE MORNING, DECREASING TO 10
TO 15 LATE IN THE MORNING, THEN INCREASING TO
20 TO 25 EARLY IN THE AFTERNOON
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 32 30 27 14 8 8 12 26 30 30 30
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 20 20 20
TEMP............76 76 78 82 86 89 91 93 94 94 95 94
RH..............94 94 97 88 77 68 62 56 53 53 51 51
SURFACE WND DIR.NE NE NE E E E E NE E E E E
SURFACE WND SPD.1 2 2 3 5 6 7 7 7 8 7 8
SURFACE WND GST.3 5 6 7 8 10 13 14 15 15 15 15
MIX HGT (KFT)...0.4 0.4 0.5 1.3 2.3 3.3 4.4 5.2 5.7 5.3 5.0 6.0
TRANSP WIND DIR.E E E E E NE NE E E E E E
TRANSP WIND SPD.5 5 5 6 6 7 8 9 9 10 9 10
CEILING (KFT)...25 25 25 20 15 9.7 15 21 25 21 13 4.5
FORECASTER...HALEY
REQUESTED BY...DANA MCGEEHAN
TYPE OF REQUEST...HAZMAT
.TAG 2618069.0/MLB
.DELDT 07/23/26
.FORMATTERVERSION 2.0.0
.EMAIL DANA.MCGEEHAN@LAKECOUNTYFL.GOV
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