407
FNUS72 KJAX 181211
FWSJAX
SPOT FORECAST FOR CRWMA 3-18-19...FWC
NATIONAL WEATHER SERVICE JACKSONVILLE FL
811 AM EDT MON MAR 18 2019
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MARCH 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.
..ELEVATED DISPERSION VALUES AND LOWER HUMIDITIES THIS AFTERNOON
DISCUSSION
A DRIER AIRMASS WILL PREVAIL TODAY WITH WINDS MAINLY NORTH TO
NORTHEAST BUT SPEEDS ONLY UP TO THE 8 TO 12 MPH RANGE. RH VALUES
WILL FALL INTO THE 30S THIS AFTERNOON UNDER GENERALLY PARTLY
CLOUDY SKIES. DISPERSION VALUES MAY BE ELEVATED TODAY COMPARED
TO SUNDAY DUE TO HIGHER MIXING HEIGHTS.
CLOUDS AND MOISTURE LEVELS WILL INCREASE SLIGHTLY ON TUESDAY AS
NORTHEAST WINDS INCREASE TO 10 TO 20 MPH AND GUSTY. SOME
LIGHT RAINFALL POSSIBLE ACROSS NORTHEAST FLORIDA, MAINLY
NEAR THE COAST.
TODAY
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........74 72 70 62 54 44 45 43 44
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............55 58 63 64 66 68 69 69 69
RH..............71 62 52 56 48 42 39 36 35
20 FT WIND DIR..N N N N N NE NE NE NE
20 FT WIND SPD..3 5 5 6 8 8 7 7 7
20 FT WIND GUST.6 7 7 9 11 11 10 10 10
MIX HGT (KFT)...0.8 1.9 3.2 3.7 4.2 5.0 5.0 5.0 5.0
TRANSP WIND DIR.N N NE NE N N N N N
TRANSP WIND SPD.13 14 14 14 13 12 13 14 14
DISPERSION IDX..15 26 34 36 54 69 73 75 79
LVORI...........3 2 1 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........47 50 53 65 79 93 90 86 83 84 84 85
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............67 65 62 60 58 57 56 56 55 54 54 53
RH..............37 40 44 49 55 59 59 59 59 61 61 64
20 FT WIND DIR..NE NE NE NE NE N N N N N N N
20 FT WIND SPD..6 3 3 2 2 2 2 3 3 3 3 3
20 FT WIND GUST.8 6 5 5 5 5 6 6
MIX HGT (KFT)...4.4 1.9 1.0 1.0 1.0 1.0 0.7 0.4 0.4 0.7 0.7 0.7
TRANSP WIND DIR.NE NE NE NE NE NE NE N N N N N
TRANSP WIND SPD.14 12 10 9 8 7 7 7 7 8 9 9
DISPERSION IDX..67 28 5 4 4 3 3 3 3 4 6 6
LVORI...........1 2 2 2 3 3 3 3 3 3 3 3
TUESDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........89 93 95 95 95 95 95 95 92 92 92 92
WEATHER COV..... CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RN RN RN RN RN RN RN RN RN RN
TSTM COV........
CHC OF PCPN (%).10 10 30 30 30 30 30 30 30 30 30 30
TEMP............53 52 52 54 58 61 63 64 65 66 66 66
RH..............66 74 74 74 72 70 65 63 60 56 56 56
20 FT WIND DIR..N N N N NE NE NE NE NE NE NE NE
20 FT WIND SPD..3 5 5 7 8 10 12 12 12 13 13 13
20 FT WIND GUST.6 7 7 10 13 16 17 17 17 18 18 18
MIX HGT (KFT)...0.4 0.7 0.7 1.3 1.8 2.4 2.6 2.9 3.1 2.8 2.6 2.4
TRANSP WIND DIR.N N N N NE NE NE NE NE NE NE NE
TRANSP WIND SPD.9 9 10 13 15 17 18 20 21 22 23 23
DISPERSION IDX..6 7 10 20 31 37 42 46 50 51 51 51
LVORI...........3 4 4 3 3 3 1 1 1 1 1 1
FORECASTER...SHASHY
REQUESTED BY...JASON SLATER
TYPE OF REQUEST...PRESCRIBED
.TAG 1903517.0/JAX
.DELDT 03/18/19
.FORMATTERVERSION 1.0.26
.EMAIL JASON.SLATER@MYFWC.COM
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