401
FNUS74 KMOB 122252
FWSMOB
SPOT FORECAST FOR CHICK CPT 465...USFS
NATIONAL WEATHER SERVICE MOBILE AL
552 PM CDT WED AUG 12 2020
FORECAST IS BASED ON IGNITION TIME OF 1800 CDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOWERS AND STORMS MAY DEVELOP NORTHWARD TO NEAR THE BURN SITE
THROUGH EARLY THIS EVENING. STORMS WILL BE CAPABLE OF PRODUCING
STRONG GUSTY AND ERRATIC WINDS, FREQUENT LIGHTNING AND HEAVY
RAINS. SCATTERED TO NUMEROUS SHOWERS AND STORMS REMAIN POSSIBLE
AGAIN THURSDAY AND FRIDAY. MAXIMUM HEAT INDEX READINGS COULD REACH
BETWEEN 102-105 THURSDAY.
FOG POTENTIAL AND OTHER REMARKS...PATCHY LIGHT FOG IS POSSIBLE DURING THE
LATE OVERNIGHT HOURS AND INTO THE EARLY MORNING TONIGHT AND THURSDAY NIGHT.
VISIBILITY COULD BE REDUCED TO 3 TO 5 MILES AT TIMES.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT). SHOWERS AND
THUNDERSTORMS LIKELY EARLY IN THE EVENING, THEN
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING.
CHANCE OF PCPN......60 PERCENT.
LAL.................16-25 STRIKES UNTIL 1900, THEN 1-8 STRIKES
UNTIL 2200, THEN NO TSTMS.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........97 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......300 FT AGL.
MIXING HEIGHT (M)...91-1372 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 8 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 1 TO 4 METERS/SECOND.
DISPERSION INDEX....22 DECREASING TO 2.
LVORI...............7.
STABILITY CLASS.....4.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........66 68 59 50 41 36 32 27 29 31 33 39
WEATHER COV.....LKY SCH SCH SCH
WEATHER TYPE....RW RW RW RW
TSTM COV........LKY SCH SCH SCH
CHC OF PCPN (%).60 20 20 20 10 10 10 10 10 10 10 10
LAL.............4 2 2 2 1 1 1 1 1 1 1 1
TEMP............87 85 82 80 78 78 76 76 76 76 75 75
RH..............68 75 82 85 91 91 94 94 94 94 97 97
20 FT WIND DIR..S S S S S S S S S S S SSW
20 FT WIND SPD..3 3 3 2 2 2 1 1 1 2 2 2
20 FT WIND GUST.8 8 7 6 5 5 5 5 4 4 4
MIX HGT (KFT)...4.5 0.7 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3
MIX HGT (KM)....1.4 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.SSE SSW SW SW SW SW SW SW SW SSW SSW SSW
TRANSP WIND SPD.6 6 8 8 8 7 6 5 3 3 3 3
TRANS WIND DIR..SSE SSW SW SW SW SW SW SW SW SSW SSW SSW
TRANS SPD (M/S).3 3 4 4 4 3 3 2 1 1 1 1
DISPERSION IDX..22 3 3 3 3 3 2 2 2 2 2 1
LVORI...........3 4 5 6 6 6 7 8 9 9 10 10
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING.
SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON.
CHANCE OF PCPN......70 PERCENT.
LAL.................NO TSTMS UNTIL 0700, THEN 1-8 STRIKES UNTIL
1300, THEN 16-25 STRIKES.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
LATE IN THE AFTERNOON, THEN BECOMING LIGHT LATE
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......6000 FT AGL.
MIXING HEIGHT (M)...91-1829 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 10 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 1 TO 4 METERS/SECOND.
DISPERSION INDEX....5 INCREASING TO 18 LATE IN THE MORNING, THEN
INCREASING TO 30 LATE IN THE MORNING INCREASING
TO 47 LATE IN THE MORNING DECREASING TO 34.
LVORI...............6.
STABILITY CLASS.....2.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........45 51 50 48 47 52 56 68 68 68 68 65
WEATHER COV..... SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY LKY
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY LKY
CHC OF PCPN (%).10 20 20 20 20 20 20 70 70 70 70 70
LAL.............1 2 2 2 2 2 2 4 4 4 4 4
TEMP............74 75 79 85 88 92 93 93 93 92 92 90
RH..............97 97 91 75 70 60 56 54 52 54 54 60
20 FT WIND DIR..SSW SSW SW WSW WSW WSW SW SSW SSW SSW SSW SW
20 FT WIND SPD..2 2 2 2 3 3 4 4 5 5 5 4
20 FT WIND GUST. 4 5 6 6 6 6 7 8 10 11 10
MIX HGT (KFT)...0.3 0.3 1.3 2.2 3.2 4.1 5.1 6.0 5.7 5.3 5.0 5.0
MIX HGT (KM)....0.1 0.1 0.4 0.7 1.0 1.2 1.6 1.8 1.7 1.6 1.5 1.5
TRANSP WIND DIR.SW SW SW WSW WSW WSW SW SW SW SW SW SW
TRANSP WIND SPD.3 5 6 7 8 9 10 10 10 10 10 10
TRANS WIND DIR..SW SW SW WSW WSW WSW SW SW SW SW SW SW
TRANS SPD (M/S).1 2 3 3 4 4 4 4 4 4 4 4
DISPERSION IDX..2 4 8 18 30 44 50 33 34 34 34 33
LVORI...........10 9 5 3 3 1 1 1 1 1 1 2
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT). SHOWERS AND
THUNDERSTORMS LIKELY EARLY IN THE EVENING, THEN
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING.
CHANCE OF PCPN......70 PERCENT.
LAL.................16-25 STRIKES UNTIL 1900, THEN 9-15 STRIKES
UNTIL 0100, THEN NO TSTMS.
MIN TEMPERATURE.....AROUND 73.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......700 FT AGL.
MIXING HEIGHT (M)...213-1524 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 14 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 3 TO 6 METERS/SECOND.
DISPERSION INDEX....34 DECREASING TO 6.
LVORI...............6.
STABILITY CLASS.....4.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........65 58 52 45 38 38 38 38 40 42 44 44
WEATHER COV.....LKY CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW
TSTM COV........LKY CHC CHC CHC CHC CHC CHC
CHC OF PCPN (%).70 30 30 30 30 30 30 10 10 10 10 10
LAL.............4 3 3 3 3 3 3 1 1 1 1 1
TEMP............88 85 83 80 78 76 76 75 75 75 74 73
RH..............63 72 77 88 94 100 97 100 100 97 100 100
20 FT WIND DIR..SW SW SW SW SSW SSW SSW SSW SSW SSW SSW SW
20 FT WIND SPD..4 3 3 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.8 6 6 7 7 7 7 7 7 6 6 7
MIX HGT (KFT)...5.0 1.7 0.7 0.7 0.7 0.7 0.8 0.8 0.8 0.8 0.8 0.8
MIX HGT (KM)....1.5 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
TRANSP WIND DIR.SW SSW SSW SSW SSW SW SW WSW WSW WSW WSW WSW
TRANSP WIND SPD.10 14 8 8 8 7 6 6 6 6 6 6
TRANS WIND DIR..SW SSW SSW SSW SSW SW SW WSW WSW WSW WSW WSW
TRANS SPD (M/S).4 6 4 4 4 3 3 3 3 3 3 3
DISPERSION IDX..34 8 4 4 3 3 3 3 3 3 3 3
LVORI...........3 3 4 6 7 9 9 9 9 9 9 9
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING. SHOWERS AND
THUNDERSTORMS LIKELY IN THE AFTERNOON.
CHANCE OF PCPN......70 PERCENT.
LAL.................NO TSTMS UNTIL 0700, THEN 9-15 STRIKES UNTIL
1300, THEN 16-25 STRIKES.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......4400 FT AGL.
MIXING HEIGHT (M)...244-1341 METERS AGL.
TRANSPORT WINDS.....WEST 5 TO 12 MPH INCREASING TO 14 TO 17 MPH IN
THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS M/S.WEST 2 TO 5 METERS/SECOND INCREASING TO 6 TO 8
METERS/SECOND IN THE LATE MORNING AND
AFTERNOON.
DISPERSION INDEX....6 INCREASING TO 15 EARLY IN THE MORNING, THEN
INCREASING TO 27 LATE IN THE MORNING INCREASING
TO 40 LATE IN THE MORNING INCREASING TO 60
DECREASING TO 48 LATE IN THE AFTERNOON.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 10 AM 2 PM
SKY (%).........45 46 58
WEATHER COV..... CHANCE LIKELY
WEATHER TYPE....NONE RNSHWR RNSHWR
TSTM COV........ CHANCE LIKELY
CHC OF PCPN (%).10 30 70
LAL.............1 3 4
TEMP............73 84 89
RH..............100 80 66
20 FT WIND DIR..SW WSW WSW
20 FT WIND SPD..2 3 4
20 FT WIND GUST.7 10 11
MIX HGT (FT)....800 2000 4200
MIX HGT (M).....240 610 1280
TRANSP WIND DIR.W W W
TRANSP WIND SPD.5 15 16
TRANS WIND DIR..W W W
TRANS SPD (M/S).2 7 7
DISPERSION IDX..3 40 50
LVORI...........9 3 1
FORECASTER...21
REQUESTED BY...RYAN BARNETT
TYPE OF REQUEST...PRESCRIBED
.TAG 2010812.0/MOB
.DELDT 08/12/20
.FORMATTERVERSION 1.0.26
.EMAIL RYAN.BARNETT@USDA.GOV
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