Suppression Forecast
Issued by NWS Mobile, AL

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000
FNUS74 KMOB 261249
FWSMOB

SPOT FORECAST FOR DESOTO 15322...US FOREST SERVICE
NATIONAL WEATHER SERVICE MOBILE AL
749 AM CDT THU MAR 26 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SOUTHERLY FLOW IN THE MIXING LAYER WILL PRECEDE A
FRONT EXPECTED TO CROSS THE AREA DURING THE LATE AFTERNOON THROUGH
EVENING HOURS. NORTHERLY FLOW WILL MOVE OVER THE AREA...BRINGING
COOLER...DRIER AIR TO THE REGION. NO LOW RELATIVE HUMIDITY ISSUES
NOTED TODAY...BUT 30-35 PERCENT ON FRIDAY IN WAKE OF THE FRONT.
DISPERSIONS IN THE 60S AND 70S TODAY...THEN VERY HIGH DAYTIME
DISPERSIONS RISING ABOVE 100 ARE LIKELY FRIDAY AS STRONGER NORTHERLY
WINDS BEHIND THE FRONT.

FOG POTENTIAL AND OTHER REMARKS...ONLY PATCHY LIGHT FOG EXPECTED IN
ADVANCE OF THE FRONT THIS EVENING...NO FOG LATE TONIGHT IN THE WAKE OF
THE FRONT.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY
                    IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE
                    MORNING. RAIN SHOWERS LIKELY AND SLIGHT CHANCE
                    OF THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH-SOUTHWEST 5 TO 7 MPH
                    IN THE LATE MORNING AND AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
MIXING HEIGHT.......300 FT AGL INCREASING TO 2400 FT AGL LATE IN
                    THE MORNING...THEN INCREASING TO 4500 FT AGL
                    EARLY IN THE AFTERNOON DECREASING TO 2700 FT
                    AGL LATE IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST AROUND 6 MPH INCREASING TO SOUTHWEST
                    15 TO 16 MPH IN THE LATE MORNING AND AFTERNOON.
DISPERSION INDEX....2 INCREASING TO 42 LATE IN THE MORNING...THEN
                    INCREASING TO 64 EARLY IN THE AFTERNOON
                    DECREASING TO 49 LATE IN THE AFTERNOON.
LVORI...............9 DECREASING TO 1.
STABILITY CLASS.....F BECOMING B EARLY IN THE MORNING...THEN
                    BECOMING C IN THE LATE MORNING AND AFTERNOON.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY (%)...........85     92     92     92
WEATHER COV.......CHANCE LIKELY LIKELY LIKELY
WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR
TEMP..............75     76     75     73
RH................68     66     61     63
20 FT WIND DIR....S      SSW    SSW    SSW
20 FT WIND SPD....4      5      5      6
20 FT WIND GUST...
MIX HGT (FT)......2400   4500   4500   2700
MIX HGT (M).......730    1370   1370   820
TRANSP WIND DIR...SSW    SW     SW     SW
TRANSP WIND SPD...15     16     16     16
TRANS SPD (M/S)...7      7      7      7
DISPERSION........42     64     64     49
LVORI.............3      1      1      1
STABILITY CLASS...C      C      C      C
CWR...............30     70     70     70

.TONIGHT...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY AND
                    SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
                    EVENING...THEN SLIGHT CHANCE OF RAIN SHOWERS.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........WEST-SOUTHWEST WINDS 6 TO 7 MPH SHIFTING TO THE
                    NORTH-NORTHWEST 9 TO 10 MPH IN THE LATE EVENING
                    AND OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......2700 FT AGL DECREASING TO 2100-2300 FT AGL.
MIXING WINDS........WEST 16 TO 17 MPH SHIFTING TO THE
                    NORTH-NORTHWEST AFTER MIDNIGHT...THEN INCREASING
                    TO NORTH EARLY IN THE MORNING.
DISPERSION INDEX....49 DECREASING TO 12 EARLY IN THE EVENING...THEN
                    INCREASING TO 26 IN THE LATE EVENING AND EARLY
                    MORNING INCREASING TO 36 EARLY IN THE MORNING.
LVORI...............1 INCREASING TO 4.
STABILITY CLASS.....C BECOMING D.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%)...........92     90     90     90     89     89
WEATHER COV.......LIKELY S CHC  S CHC  S CHC  S CHC  S CHC
WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP..............72     68     63     58     55     51
RH................66     72     74     81     83     82
20 FT WIND DIR....SSW    WSW    NNW    NNW    NNW    N
20 FT WIND SPD....6      5      8      8      8      9
20 FT WIND GUST...
MIX HGT (FT)......2700   2400   2400   2400   2100   2300
MIX HGT (M).......820    730    730    730    640    700
TRANSP WIND DIR...SW     SW     W      W      NNW    N
TRANSP WIND SPD...16     17     17     17     21     26
TRANS SPD (M/S)...7      8      8      8      9      12
DISPERSION........49     12     23     23     28     36
LVORI.............1      3      3      3      4      4
STABILITY CLASS...C      D      D      D      D      D
CWR...............70     20     20     20     20     20

.FRIDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING MOSTLY
                    SUNNY (25-35 PERCENT). SLIGHT CHANCE OF RAIN
                    SHOWERS EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........NORTH-NORTHWEST WINDS 8 TO 12 MPH.
MIXING HEIGHT.......2300-2400 FT AGL INCREASING TO 4200 FT AGL LATE
                    IN THE MORNING...THEN INCREASING TO 6000 FT AGL
                    EARLY IN THE AFTERNOON DECREASING TO 4200 FT
                    AGL LATE IN THE AFTERNOON.
MIXING WINDS........NORTH-NORTHWEST 22 TO 26 MPH SHIFTING TO THE
                    NORTHWEST LATE IN THE AFTERNOON.
DISPERSION INDEX....36 INCREASING TO 64 EARLY IN THE MORNING...THEN
                    INCREASING TO 97 LATE IN THE MORNING INCREASING
                    TO 114 EARLY IN THE AFTERNOON DECREASING TO 79.
LVORI...............4 DECREASING TO 1.
STABILITY CLASS.....D BECOMING C.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%)...........89     63     32     32     1      1
WEATHER COV.......S CHC
WEATHER TYPE......RNSHWR NONE   NONE   NONE   NONE   NONE
TEMP..............46     47     51     59     65     66
RH................88     78     63     42     32     31
20 FT WIND DIR....N      NNW    N      N      NNW    NNW
20 FT WIND SPD....9      7      9      9      8      10
20 FT WIND GUST...
MIX HGT (FT)......2300   2400   4200   4200   6000   4200
MIX HGT (M).......700    730    1280   1280   1830   1280
TRANSP WIND DIR...N      N      NNW    NNW    NNW    NW
TRANSP WIND SPD...26     22     25     25     25     21
TRANS SPD (M/S)...12     10     11     11     11     9
DISPERSION........36     64     97     97     114    79
LVORI.............4      3      1      1      1      1
STABILITY CLASS...D      C      C      C      C      C
CWR...............20     10     10     10     0      0

$$
FORECASTER...12
REQUESTED BY...JAY BOYKIN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150326.DESOT.02/MOB



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