Suppression Forecast
Issued by NWS Mobile, AL

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000
FNUS74 KMOB 311315
FWSMOB

SPOT FORECAST FOR DESOTO 319...US FOREST SERVICE
NATIONAL WEATHER SERVICE MOBILE AL
715 AM CST SAT JAN 31 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON JANUARY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...LIGHT NORTHEASTERLY TO EASTERLY FLOW THIS MORNING WILL
BECOME SOUTHEASTERLY BY THIS AFTERNOON AS HIGH PRESSURE SHIFTS TOWARD
THE EASTERN SEABOARD. A DRY AIRMASS WILL KEEP RELATIVE HUMIDITY
VALUES LOW THIS AFTERNOON...BUT VALUES WILL REMAIN ABOVE CRITICAL
LEVELS. LIGHTER TRANSPORT WINDS WILL RESULT IN ONLY FAIR DISPERSION
INDICES TODAY. SOUTHERLY LOW LEVEL FLOW WILL INCREASE AHEAD OF AN
APPROACHING UPPER LEVEL SYSTEM SUNDAY. RAIN SHOWERS WILL BECOME
NUMEROUS IN COVERAGE SUNDAY.

FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED THIS MORNING.
BRIEF LIGHT PATCHY FOG CANNOT BE RULED OUT SUNDAY MORNING.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST-SOUTHEAST 5 TO 7 MPH
                    IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......300 FT AGL INCREASING TO 2000-2200 FT AGL.
MIXING WINDS........SOUTHEAST 8 TO 9 MPH.
DISPERSION INDEX....11 INCREASING TO 23 IN THE AFTERNOON.
LVORI...............5 DECREASING TO 2 IN THE LATE MORNING AND
                    AFTERNOON.
STABILITY CLASS.....B.

TIME (CST)      10 AM  NOON   2 PM   4 PM
SKY (%)...........46     46     46     46
WEATHER COV.......
WEATHER TYPE......NONE   NONE   NONE   NONE
TEMP..............48     56     60     59
RH................56     42     37     41
20 FT WIND DIR....E      ESE    ESE    ESE
20 FT WIND SPD....5      5      5      6
20 FT WIND GUST...
MIX HGT (FT)......1100   2000   2000   2200
MIX HGT (M).......340    610    610    670
TRANSP WIND DIR...E      ESE    ESE    SE
TRANSP WIND SPD...9      8      8      8
TRANS SPD (M/S)...4      4      4      4
DISPERSION........14     21     21     23
LVORI.............2      2      2      2
STABILITY CLASS...B      B      B      B
CWR...............0      0      0      0

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........95 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 6 MPH EARLY IN THE
                    EVENING BECOMING LIGHT.
MIXING HEIGHT.......400-500 FT AGL DECREASING TO 100-200 FT AGL
                    AFTER MIDNIGHT.
MIXING WINDS........SOUTHEAST 5 TO 9 MPH SHIFTING TO THE
                    EAST-SOUTHEAST 4 TO 6 MPH AFTER MIDNIGHT.
DISPERSION INDEX....4.
LVORI...............3 INCREASING TO 6.
STABILITY CLASS.....E BECOMING F IN THE LATE EVENING AND OVERNIGHT.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%)...........57     57     57     67     67     67
WEATHER COV.......
WEATHER TYPE......NONE   NONE   NONE   NONE   NONE   NONE
TEMP..............56     53     52     51     50     49
RH................52     60     67     73     80     89
20 FT WIND DIR....SE     SE     SE     ESE    ESE    ESE
20 FT WIND SPD....5      5      4      4      4      4
20 FT WIND GUST...
MIX HGT (FT)......300    300    500    200    200    100
MIX HGT (M).......90     90     150    60     60     30
TRANSP WIND DIR...SE     SE     SE     ESE    ESE    ESE
TRANSP WIND SPD...5      5      9      3      3      6
TRANS SPD (M/S)...2      2      4      1      1      3
DISPERSION........3      3      5      3      3      4
LVORI.............3      3      3      4      4      6
STABILITY CLASS...E      E      F      F      F      F
CWR...............0      0      0      10     10     10

.SUNDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........77 PERCENT.
WIND (20 FT)........SOUTH-SOUTHEAST WINDS 5 TO 8 MPH INCREASING TO
                    SOUTH 10 TO 13 MPH IN THE AFTERNOON.
MIXING HEIGHT.......200 FT AGL INCREASING TO 1200 FT AGL.
MIXING WINDS........SOUTH-SOUTHEAST 5 TO 7 MPH INCREASING TO
                    SOUTH-SOUTHWEST 10 TO 14 MPH IN THE AFTERNOON.
DISPERSION INDEX....7 INCREASING TO 20 IN THE AFTERNOON.
LVORI...............6 DECREASING TO 3 TO 4 IN THE AFTERNOON.
STABILITY CLASS.....C BECOMING D IN THE AFTERNOON.

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%)...........87     87     87     97     97     97
WEATHER COV.......LIKELY LIKELY LIKELY LIKELY LIKELY LIKELY
WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP..............50     55     59     62     66     65
RH................95     91     88     86     78     80
20 FT WIND DIR....ESE    ESE    SSE    S      S      S
20 FT WIND SPD....5      5      7      11     11     9
20 FT WIND GUST...              14     20     20     17
MIX HGT (FT)......200    200    700    1200   1200   1200
MIX HGT (M).......60     60     210    370    370    370
TRANSP WIND DIR...ESE    ESE    SSE    S      S      SSW
TRANSP WIND SPD...5      5      7      14     14     10
TRANS SPD (M/S)...2      2      3      6      6      4
DISPERSION........5      5      9      20     20     15
LVORI.............6      6      5      3      3      4
STABILITY CLASS...C      C      C      D      D      D
CWR...............70     70     70     70     70     70

$$
FORECASTER...21
REQUESTED BY...JAY BOYKIN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150131.DESOT.01/MOB







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