639
FNUS74 KMOB 191102
FWSMOB
SPOT FORECAST FOR DESOTO BLOCK 6509 SW...USFS
NATIONAL WEATHER SERVICE MOBILE AL
602 AM CDT FRI APR 19 2024
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS ARE EXPECTED TODAY WITH SCATTERED
SHOWERS AND STORMS OVER A PORTION OF THE AREA FOLLOWING FOR
SATURDAY. AFTERNOON RELATIVE HUMIDITY VALUES REMAIN ABOVE
CRITICAL LEVELS TODAY AND SATURDAY. TRANSPORT WINDS WILL BE
MOSTLY SOUTHWESTERLY TO WESTERLY TODAY AND EASTERLY TO NORTHERLY
ON SATURDAY. DISPERSION INDEX VALUES WILL BE FAIR TO GENERALLY
GOOD TODAY AND GENERALLY POOR TO FAIR ON SATURDAY.
FOG POTENTIAL AND OTHER REMARKS...PATCHY TO AREAS OF FOG ARE
EXPECTED TONIGHT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......5900 FT AGL.
MIXING HEIGHT (M)...792-1798 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 9 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 2 TO 4 METERS/SECOND.
DISPERSION INDEX....16 INCREASING TO 48.
LVORI...............3.
STABILITY CLASS.....2.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........59 49 31 32 27 26 30 29
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1
TEMP............76 80 82 85 87 88 89 88
RH..............82 69 63 55 50 48 45 48
20 FT WIND DIR..SW SW SW SW SW SW SW SW
20 FT WIND SPD..3 3 5 5 6 6 7 7
20 FT WIND GUST.5 6 7 7 9 9 10 10
MIX HGT (KFT)...2.6 3.1 4.1 4.7 5.3 5.8 5.9 5.9
MIX HGT (KM)....0.8 0.9 1.2 1.4 1.6 1.8 1.8 1.8
TRANSP WIND DIR.WSW WSW WSW SW SW WSW WSW SW
TRANSP WIND SPD.5 5 6 7 7 8 8 9
TRANS WIND DIR..WSW WSW WSW SW SW WSW WSW SW
TRANS SPD (M/S).2 2 3 3 3 4 4 4
DISPERSION IDX..13 19 29 38 46 49 50 50
LVORI...........4 3 2 1 1 1 1 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT). PATCHY FOG
OVERNIGHT.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
MIN TEMPERATURE.....AROUND 67.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
MIXING HEIGHT (M)...122-1798 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 2 TO 4 METERS/SECOND.
DISPERSION INDEX....50 DECREASING TO 3.
LVORI...............5.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........33 36 40 51 61 65
WEATHER COV..... PATCHY PATCHY
WEATHER TYPE....NONE NONE NONE NONE FOG FOG
TSTM COV........
CHC OF PCPN (%).0 10 10 10 0 10
LAL.............1 1 1 1 1 1
TEMP............86 77 71 69 69 67
RH..............53 71 90 93 97 100
20 FT WIND DIR..SSW S S SSW SW WSW
20 FT WIND SPD..7 6 5 3 3 2
20 FT WIND GUST.10 8 7 6 5
MIX HGT (FT)....5900 800 800 900 500 800
MIX HGT (M).....1800 240 240 270 150 240
TRANSP WIND DIR.SSW S S S SW WSW
TRANSP WIND SPD.9 10 8 7 6 6
TRANS WIND DIR..SSW S S S SW WSW
TRANS SPD (M/S).4 4 4 3 3 3
DISPERSION IDX..50 4 4 3 3 3
LVORI...........1 3 5 7 8 9
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY FOG EARLY
IN THE MORNING. SLIGHT CHANCE OF SHOWERS LATE
IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS
IN THE LATE MORNING AND AFTERNOON. CHANCE OF
SHOWERS IN THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
LAL.................1 UNTIL 1000, THEN 2.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........63 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE LATE MORNING AND
AFTERNOON.
MIXING HEIGHT.......2600 FT AGL.
MIXING HEIGHT (M)...274-792 METERS AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST IN
THE AFTERNOON.
TRANSPORT WINDS M/S.WEST AROUND 2 METERS/SECOND SHIFTING TO THE
SOUTHEAST 3 TO 4 METERS/SECOND IN THE
AFTERNOON.
DISPERSION INDEX....7 INCREASING TO 25.
LVORI...............6.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........73 74 77 83 81 73
WEATHER COV.....PATCHY S CHC S CHC CHANCE CHANCE
WEATHER TYPE....FOG NONE RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC S CHC S CHC
CHC OF PCPN (%).10 0 20 20 40 40
LAL.............1 1 2 2 2 2
TEMP............67 69 77 83 83 82
RH..............100 97 79 65 63 65
20 FT WIND DIR..NW N NNE NE ENE E
20 FT WIND SPD..1 2 3 5 6 7
20 FT WIND GUST.2 3 6 7 9 10
MIX HGT (FT)....900 1000 1600 2300 2500 2400
MIX HGT (M).....270 300 490 700 760 730
TRANSP WIND DIR.WSW NNW NE ENE ESE SSE
TRANSP WIND SPD.5 5 5 7 8 10
TRANS WIND DIR..WSW NNW NE ENE ESE SSE
TRANS SPD (M/S).2 2 2 3 4 4
DISPERSION IDX..2 7 11 17 22 25
LVORI...........9 7 4 3 2 2
FORECASTER...13
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2411167.3/MOB
.DELDT 04/19/24
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
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