Suppression Forecast
Issued by NWS Mobile, AL

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832
FNUS74 KMOB 210056
FWSMOB

Spot Forecast for Desoto Block 6507...USFS
National Weather Service Mobile AL
756 PM CDT Fri Apr 20 2018

Forecast is based on ignition time of 2000 CDT on April 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
A large area of high pressure to the north of our area will slowly
push east through Saturday night. Light winds are expected
tonight, but should gradually become easterly to southeasterly
between 5 and 10 mph Saturday. Increasing moisture should result
in higher relative humidity values Saturday afternoon. A chance of
rain showers returns by Saturday night ahead of the next
approaching system.

Fog potential and other remarks...Fog is not expected.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Min temperature.....Around 49.
Max humidity........93 percent.
Wind (20 ft)........Light winds.
Mixing height.......400-600 ft AGL.
Mixing height (m)...122-183 meters AGL.
Transport winds.....East 7 to 8 mph.
Transport winds m/s.East 3 to 4 meters/second.
Dispersion index....3.
LVORI...............2 increasing to 6.
Stability class.....6.

TIME (CDT)      8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........6      6      6      9      23
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     58     56     54     51
RH..............67     69     77     83     89
20 FT wind dir..NE     NE     E      E      E
20 FT wind spd..3      3      3      3      3
20 FT wind gust.4      4      4      4      4
Mix hgt (ft)....600    600    500    400    400
Mix hgt (m).....180    180    150    120    120
Transp wind dir.E      NE     E      E      E
Transp wind spd.8      7      7      7      7
Trans wind dir..E      NE     E      E      E
Trans spd (m/s).4      3      3      3      3
Dispersion idx..3      3      3      3      3
LVORI...........2      3      5      6      6

.SATURDAY...

Sky/weather.........Partly sunny (50-60 percent).
Chance of pcpn......10 percent.
LAL.................No Tstms.
Max temperature.....Around 76.
Min humidity........55 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 8 mph in
                    the late morning and afternoon.
Mixing height.......500-2200 ft AGL increasing to 5000 ft AGL.
Mixing height (m)...152-671 meters AGL increasing to 1524 meters
                    AGL.
Transport winds.....Southeast 7 to 15 mph increasing to 12 to 17
                    mph in the late morning and afternoon.
Transport winds m/s.Southeast 3 to 7 meters/second increasing to 5
                    to 8 meters/second in the late morning and
                    afternoon.
Dispersion index....Maximum values around 57.
LVORI...............6 decreasing to 1.
Stability class.....2.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........37     43     56     68     71     73
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      10     10     10     10     10
LAL.............1      1      1      1      1      1
Temp............52     58     68     73     76     76
RH..............89     75     59     57     56     58
20 FT wind dir..E      E      E      SE     SE     SE
20 FT wind spd..3      4      5      6      6      6
20 FT wind gust.4      5      6      7      7      7
Mix hgt (ft)....500    1300   3000   4200   4900   5000
Mix hgt (m).....150    400    910    1280   1490   1520
Transp wind dir.E      E      SE     SE     SE     SE
Transp wind spd.7      12     17     15     14     13
Trans wind dir..E      E      SE     SE     SE     SE
Trans spd (m/s).3      5      8      7      6      6
Dispersion idx..3      20     57     48     42     41
LVORI...........6      3      1      1      1      1

.SATURDAY NIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Slight chance of
                    showers in the evening. Chance of showers after
                    midnight.
Chance of pcpn......50 percent.
LAL.................No Tstms.
Min temperature.....Around 61.
Max humidity........100 percent.
Wind (20 ft)........Southeast winds around 5 mph.
Mixing height.......5000 ft AGL decreasing to 700-2300 ft AGL.
Mixing height (m)...1524 meters AGL decreasing to 213-701 meters
                    AGL.
Transport winds.....Southeast 6 to 13 mph.
Transport winds m/s.Southeast 3 to 6 meters/second.
Dispersion index....31 decreasing to 6.
LVORI...............Increasing to 8 to 9.
Stability class.....4.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........75     77     84     91     93     95
Weather cov.....       S CHC  S CHC  S CHC  CHANCE CHANCE
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
Chc of pcpn (%).10     20     20     20     50     50
LAL.............1      1      1      1      1      1
Temp............75     71     66     62     61     61
RH..............60     68     84     97     100    100
20 FT wind dir..SE     SE     SE     SE     SE     SE
20 FT wind spd..5      4      3      3      3      4
20 FT wind gust.6      6      5      4      4      5
Mix hgt (ft)....5000   1600   1600   1000   700    700
Mix hgt (m).....1520   490    490    300    210    210
Transp wind dir.SE     SE     SE     SE     E      E
Transp wind spd.10     10     13     8      6      9
Trans wind dir..SE     SE     SE     SE     E      E
Trans spd (m/s).4      4      6      4      3      4
Dispersion idx..31     6      6      4      4      6
LVORI...........1      3      5      8      9      8

$$
Forecaster...21
Requested by...Cliff Willis
Type of request...PRESCRIBED
.TAG 1807128.2/MOB
.DELDT 04/20/18
.EMAIL cliffwillis@fs.fed.us



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