FNUS74 KMOB 272018
FWSMOB

SPOT FORECAST FOR DE SOTO 1010...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE MOBILE AL
318 PM CDT SAT MAR 27 2010

FORECAST IS BASED ON IGNITION TIME OF 1540 CDT ON MARCH 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE HAS MOVED TO THE EASTERN SEABOARD AND
ALLOWED SURFACE WINDS TO BECOME BREEZY OUT OF THE SOUTHEAST. WINDS
WILL VEER TO THE SOUTH TONIGHT AHEAD OF A COLD FRONT THAT BEGINS
TO APPROACH FROM THE WEST. THE FRONT WILL MOVE THROUGH THE REGION
DURING THE MORNING AND EARLY AFTERNOON ON SUNDAY...WITH THE POTENTIAL
OF ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING AHEAD
OF THE FRONT...ALTHOUGH MANY LOCATIONS WILL REMAIN DRY. WESTERLY
WINDS DEVELOP BEHIND THE FRONT...QUICKLY DRYING OUT THE AIRMASS
RESULTING IN DEEP MIXING HEIGHTS AND STRONG DISPERSIONS BY LATE SUNDAY
AFTERNOON. DRY WEATHER AND GOOD MIXING CONTINUE INTO MONDAY
AFTERNOON. AT THIS POINT...HUMIDITY VALUES ARE EXPECTED TO STAY
ABOVE CRITICAL THRESHOLDS. SOME PATCHY LIGHT FOG IS EXPECTED LATE TONIGHT.

.TONIGHT...
TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%)...........45     49     49     49     72     72
WEATHER COV.......                                   S CHC
WEATHER TYPE......NONE   NONE   NONE   NONE   NONE   RNSHWR
TEMP..............70     65     61     60     58     56
RH................48     65     76     81     89     98
20 FT WIND DIR....SE     SE     SE     S      S      S
20 FT WIND SPD....11     8      7      5      5      5
MIX HGT (FT)......2500   1800   1500   1100   900    600
MIX HGT (M).......760    550    460    340    270    180
TRANSP WIND DIR...S      SE     SE     S      S      S
TRANSP WIND SPD...22     14     12     9      8      8
TRANS SPD (M/S)...10     6      5      4      4      4
DISPERSION........62     15     13     6      5      5
LVORI.............1      3      4      4      6      9
CWR...............0      10     10     10     10     20

.SUNDAY...
TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%)...........72     51     51     51     34     34
WEATHER COV.......S CHC  S CHC  S CHC  S CHC
WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR NONE   NONE
TEMP..............55     57     65     71     73     74
RH................100    98     74     55     44     38
20 FT WIND DIR....S      SW     W      W      W      W
20 FT WIND SPD....5      6      10     12     14     12
MIX HGT (FT)......400    1300   3400   5000   6500   7800
MIX HGT (M).......120    400    1040   1520   1980   2380
TRANSP WIND DIR...S      SW     SW     SW     W      W
TRANSP WIND SPD...7      14     23     28     28     24
TRANS SPD (M/S)...3      6      10     13     13     11
DISPERSION........5      21     59     85     120    120
LVORI.............9      5      3      1      1      1
CWR...............20     20     20     20     10     10

$$
FORECASTER...MOB FORECASTER
REQUESTED BY...BUZZ WILLIAMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100327.DESOT.02/MOB