695
FNUS74 KMOB 170956
FWSMOB
SPOT FORECAST FOR BIG LAGOON ZONE BG-B1...BIG LAGOON STATE PARK
NATIONAL WEATHER SERVICE MOBILE AL
356 AM CST THU JAN 17 2019
FORECAST IS BASED ON IGNITION TIME OF 0500 CST ON JANUARY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LOW LEVEL SOUTHERLY FLOW WILL RETURN TODAY INTO FRIDAY AS HIGH
PRESSURE MOVES EAST OF THE REGION. LOW LEVEL MOISTURE WILL BE ON
THE INCREASE, WITH A FEW SHOWERS ALSO POSSIBLE TODAY INTO EARLY
FRIDAY. THE CHANCE OF WETTING RAINS WILL INCREASE CONSIDERABLY
SATURDAY AHEAD OF THE NEXT APPROACHING COLD FRONT. AFTERNOON
DISPERSIONS WILL BE FAIR TODAY, AND GENERALLY POOR TO FAIR ON
FRIDAY.
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG MAY REDUCE THE
VISIBILITY TO 3 TO 5 MILES EARLY THIS MORNING AND AGAIN LATE
TONIGHT AND EARLY FRIDAY MORNING.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). PATCHY FOG
EARLY THIS MORNING.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH.
MIXING HEIGHT.......200-1800 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 3 MPH SHIFTING TO THE SOUTH 5
TO 12 MPH.
DISPERSION INDEX....5 INCREASING TO 23 THIS AFTERNOON.
LVORI...............4.
STABILITY CLASS.....5 DECREASING TO 2 TO 3.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........27 32 37 42 46 51 56 59 62 66 69 72
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 10 10 10 10 10 10
TEMP............43 43 48 53 58 60 63 64 64 64 62 61
RH..............93 93 86 83 72 69 62 63 65 65 75 78
20 FT WIND DIR..NE NE E E SE S S S S S S S
20 FT WIND SPD..3 4 5 5 6 6 6 6 6 6 6 6
20 FT WIND GUST.4 5 6 7 7 8 10 10 10 10 10 10
MIX HGT (KFT)...0.2 0.4 0.5 0.7 1.0 1.4 1.8 1.7 1.7 1.6 1.6 1.6
TRANSP WIND DIR.NE E SE S S S S S S S S S
TRANSP WIND SPD.3 3 5 6 7 9 10 12 12 12 12 10
DISPERSION IDX..5 6 8 10 14 18 21 22 23 23 21 19
LVORI...........5 5 4 3 3 3 2 2 2 3 3 3
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE LATE
EVENING AND OVERNIGHT.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......200-500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 9 MPH.
DISPERSION INDEX....10.
LVORI...............INCREASING TO 6.
STABILITY CLASS.....3.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........75 77 78 80 81 83 84 84 84 84 84 84
WEATHER COV.....SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RNF RNF RNF RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).20 20 20 20 20 20 30 30 30 30 30 30
TEMP............59 59 59 59 59 59 59 59 61 59 57 57
RH..............90 90 93 93 96 100 100 100 93 100 100 100
20 FT WIND DIR..S S S S S S S S SW SW SW SW
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 5 5 5
20 FT WIND GUST.10 10 8 8 8 8 7 7 7 6 6 6
MIX HGT (KFT)...0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.2 0.3 0.3
TRANSP WIND DIR.S S S S S S S SW SW SW SW SW
TRANSP WIND SPD.9 8 8 8 8 9 9 9 8 8 7 7
DISPERSION IDX..9 9 9 9 9 10 10 9 9 9 10 10
LVORI...........4 5 5 6 6 6 6 6 6 6 6 6
FORECASTER...21
REQUESTED BY...KIERSTEN WILSON
TYPE OF REQUEST...PRESCRIBED
.TAG 1900348.0/MOB
.DELDT 01/17/19
.EMAIL KIERSTEN.L.WILSON@DEP.STATE.FL.US
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