Suppression Forecast Issued by NWS Mobile, AL
956
FNUS74 KMOB 191102
FWSMOB
Spot Forecast for De Soto 7201...U.S. Forest Service
National Weather Service Mobile AL
602 AM CDT Thu Apr 19 2018
Forecast is based on ignition time of 0900 CDT on April 19.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...A weak cold front will be moving through the area early this
morning, bringing another shot of cool and dry air to the region. Generally
good to good dispersions expected. Afternoon relative humidity in the 30s
and 40s, above critical levels. Transport winds out of the northwest and
north today, shifting to northeasterly tonight and then more easterly on
Friday.
Fog potential and other remarks...Fog is not expected.
.REST OF TODAY...
Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 73.
Min humidity........35 percent.
Wind (20 ft)........North winds around 7 mph.
Mixing height.......2300-4200 ft AGL increasing to 4400-4800 ft AGL
early in the afternoon.
Mixing height (m)...701-1280 meters AGL increasing to 1341-1463
meters AGL early in the afternoon.
Transport winds.....North 14 to 15 mph.
Transport winds m/s.North 6 to 7 meters/second.
Dispersion index....43 increasing to 64.
LVORI...............2.
Stability class.....2.
TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM
Sky (%).........21 10 2 1 3
Weather cov.....
Weather type....NONE NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 0 0 0
LAL.............1 1 1 1 1
Temp............60 64 68 71 72
RH..............72 56 47 39 37
20 FT wind dir..N N N N N
20 FT wind spd..6 6 6 6 6
20 FT wind gust.10 10 10 10 10
Mix hgt (ft)....2300 3200 4200 4600 4800
Mix hgt (m).....700 980 1280 1400 1460
Transp wind dir.N N NW N N
Transp wind spd.15 14 14 14 14
Trans wind dir..N N NW N N
Trans spd (m/s).7 6 6 6 6
Dispersion idx..39 51 58 65 66
LVORI...........3 1 1 1 1
.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Min temperature.....Around 43.
Max humidity........93 percent.
Wind (20 ft)........North winds 5 to 7 mph.
Mixing height.......2900-4800 ft AGL decreasing to 1100-1900 ft AGL
early in the evening.
Mixing height (m)...884-1463 meters AGL decreasing to 335-579
meters AGL early in the evening.
Transport winds.....Northeast 10 to 14 mph.
Transport winds m/s.Northeast 4 to 6 meters/second.
Dispersion index....65 decreasing to 7.
LVORI...............3.
Stability class.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........8 10 11 9 7 4
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0
LAL.............1 1 1 1 1 1
Temp............70 63 57 53 49 46
RH..............41 52 62 71 80 83
20 FT wind dir..N N N N N N
20 FT wind spd..6 6 6 6 6 6
20 FT wind gust.10 10 8 8 7
Mix hgt (ft)....4800 1900 1900 1400 1100 1100
Mix hgt (m).....1460 580 580 430 340 340
Transp wind dir.N N N N N NE
Transp wind spd.14 14 13 12 10 12
Trans wind dir..N N N N N NE
Trans spd (m/s).6 6 6 5 4 5
Dispersion idx..65 9 9 7 6 6
LVORI...........1 2 3 3 4 4
.FRIDAY...
Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 72.
Min humidity........37 percent.
Wind (20 ft)........Northeast winds 5 to 6 mph becoming light.
Mixing height.......1100-2900 ft AGL increasing to 3300-5000 ft AGL
late in the morning.
Mixing height (m)...335-884 meters AGL increasing to 1006-1524
meters AGL late in the morning.
Transport winds.....East 8 to 12 mph.
Transport winds m/s.East 4 to 5 meters/second.
Dispersion index....5 increasing to 48.
LVORI...............4.
Stability class.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........5 9 8 7 7 8
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0
LAL.............1 1 1 1 1 1
Temp............43 48 57 63 68 72
RH..............93 77 55 46 39 37
20 FT wind dir..N N NE NE NE NE
20 FT wind spd..5 5 5 6 5 5
20 FT wind gust.6 6 6 7 6 6
Mix hgt (ft)....1100 1700 2900 3700 4400 5000
Mix hgt (m).....340 520 880 1130 1340 1520
Transp wind dir.NE NE NE NE NE E
Transp wind spd.12 12 12 9 8 8
Trans wind dir..NE NE NE NE NE E
Trans spd (m/s).5 5 5 4 4 4
Dispersion idx..5 24 42 44 45 51
LVORI...........6 3 1 1 1 1
$$
Forecaster...32
Requested by...Cliff Willis
Type of request...PRESCRIBED
.TAG 1806830.4/MOB
.DELDT 04/19/18
.EMAIL jayboykin@fs.fed.us