175
FNUS72 KJAX 170717
FWSJAX
SPOT FORECAST FOR JSO ERU EXERCISE 20260918...JSO
NATIONAL WEATHER SERVICE JACKSONVILLE FL
317 AM EDT THU SEP 17 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (904) 741-4370 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
PARTLY CLOUDY SKIES EXPECTED ON FRIDAY WITH A SLIGHT CHANCE
FOR A BRIEF SHOWER OR THUNDERSTORM DURING THE MIDDAY HOURS.
HIGH TEMPERATURE WILL BE AROUND 90 DEGREES WITH HEAT INDEX
IN THE UPPER 90S. NORTHEAST WINDS INITIALLY AROUND 5-10 MPH
BEFORE 10 AM, THEN WILL BECOME BREEZY TO AROUND 10 TO 15 MPH
WITH GUSTS OF 20-25 MPH.
WINDS WILL BECOME LIGHT ON FRIDAY NIGHT WITH SKIES BECOMING
MOSTLY CLEAR WITH LOWS AROUND 72 DEGREES. ONLY A 10 PERCENT
CHANCE OF LIGHT RAIN IN THE EVENING HOURS.
FRIDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........25 37 27 26 27 30 42 51 54 42 40 45
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).10 10 0 0 0 10 10 10 20 20 20 10
CHC OF THDR (%).0 0 0 0 0 10 10 10 20 20 10 10
TEMP............71 71 72 78 82 86 89 90 90 90 90 89
RH..............93 90 87 76 71 64 59 56 56 56 54 54
HEAT INDEX (F)..71 71 72 78 87 92 97 97 97 97 96 94
SURFACE WND DIR.N N N NE NE NE NE NE NE NE NE NE
SURFACE WND SPD.5 6 8 8 10 14 15 15 15 15 15 15
SURFACE WND GST.8 9 12 13 15 18 20 22 23 23 22 22
TRANSP WIND DIR.NE N N N NE NE NE NE NE NE E E
TRANSP WIND SPD.7 8 8 10 12 13 14 14 14 14 14 14
FRIDAY NIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........40 31 34 28 22 16 16 15 14 14 14 14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 10 10 0 0 0 0
CHC OF THDR (%).10 10 10 10 10 10 10 10 0 0 0 0
TEMP............85 82 79 77 76 75 74 74 73 73 73 72
RH..............61 67 72 76 82 84 87 87 90 90 90 93
HEAT INDEX (F)..90 86 79 77 76 75 74 74 73 73 73 72
SURFACE WND DIR.NE E E E E NE NE NE NE NE NE NE
SURFACE WND SPD.12 10 7 6 5 3 2 1 1 1 1 1
SURFACE WND GST.18 16 14 12 9 8 7 6 5 5 5 6
TRANSP WIND DIR.E E E E E E E E E E E NE
TRANSP WIND SPD.12 10 8 7 7 7 6 5 5 5 5 5
FORECASTER...SHASHY
REQUESTED BY...OFC. C. BERNARD
TYPE OF REQUEST...OTHER
.TAG 2621777.0/JAX
.DELDT 09/17/26
.FORMATTERVERSION 2.0.0
.EMAIL CHARLES.BERNARD@JAXSHERIFF.ORG
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