FNUS74 KMOB 041323
FWSMOB

SPOT FORECAST FOR RILEY ROAD...FL. D.O.F.
NATIONAL WEATHER SERVICE MOBILE AL
723 AM CST WED FEB 4 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON FEBRUARY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM CST THURSDAY...

.DISCUSSION...TWO FRONTAL PASSAGES IN AS MANY DAYS ARE BRINGING COLD
AND VERY DRY AIR OVER THE AREA. DAYTIME RELATIVE HUMIDITY WILL FALL
INTO THE 15 TO 20 PERCENT RANGE BOTH THIS AFTERNOON AND THURSDAY
AFTERNOON. STRONG NORTHERLY FLOW WILL ALSO BRING VERY HIGH
DISPERSION TODAY...DECREASING TONIGHT AND REBOUNDING THURSDAY AS A
SURFACE HIGH MOVES TOWARDS THE AREA. AS THIS HIGH MOVES EAST OF THE
AREA LATER THURSDAY INTO THURSDAY NIGHT...LOW LEVEL WIND WILL RETURN
TO SOUTHEASTERLY BY FRIDAY MORNING. HUMIDITY WILL INCREASE FRIDAY
INTO THE COMING WEEK. AN UPPER DISTURBANCE WILL APPROACH THE
SOUTHERN PLAINS SUNDAY INTO SUNDAY NIGHT...INCREASING LOW LEVEL WIND
AND DISPERSION.

.TODAY...
TIME (CST)      9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........0      0      0      0      0
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............31     39     45     46     41
RH..............33     23     18     17     22
20 FT WIND DIR..N      N      N      N      N
20 FT WIND SPD..11     12     14     14     9
MIX HGT (FT)....2500   3200   3800   4000   3100
MIX HGT (M).....760    980    1160   1220   940
TRANSP WIND DIR.N      N      N      N      N
TRANSP WIND SPD.17     17     18     20     17
TRANS SPD (M/S).8      8      8      9      8
DISPERSION......40     44     50     54     57
LVORI...........1      1      1      1      1
CWR.............0      0      0      0      0

.TONIGHT...
TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........0      0      0      0      0      0
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............36     30     25     22     20     18
RH..............26     38     51     64     67     72
20 FT WIND DIR..N      N      N      N      N      N
20 FT WIND SPD..7      6      5      5      5      5
MIX HGT (FT)....2400   1000   300    300    200    100
MIX HGT (M).....730    300    90     90     60     30
TRANSP WIND DIR.N      N      N      N      N      N
TRANSP WIND SPD.16     13     10     10     10     12
TRANS SPD (M/S).7      6      4      4      4      5
DISPERSION......45     8      6      5      4      5
LVORI...........1      2      3      3      3      3
CWR.............0      0      0      0      0      0

$$
FORECASTER...MOB FORECASTER
REQUESTED BY...RANDY GILBERT
TYPE OF REQUEST...PRESCRIBED
.TAG 20090204.RILEY.01/MOB