Suppression Forecast
Issued by NWS Birmingham, AL

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000
FNUS74 KBMX 211153
FWSBMX

SPOT FORECAST FOR RATTLESNAKE I...USFS
NATIONAL WEATHER SERVICE BIRMINGHAM AL
653 AM CDT THU MAY 21 2015

FORECAST IS BASED ON IGNITION TIME OF 0710 CDT ON MAY 21.

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

DRY AIR WILL CONTINUE TO FILTER INTO CENTRAL ALABAMA FROM THE
NORTH DURING THE DAY TODAY...WITH DECREASING RH VALUES. WINDS WILL
ALSO BE FAIRLY GUSTY AT TIMES BETWEEN 15 AND 20 KNOTS THIS
AFTERNOON WHICH COULD BE PROBLEMATIC FOR BURNING PURPOSES.
RELATIVE HUMIDITIES WILL BE ABOVE CRITICAL VALUES BUT WINDS WILL
CERTAINLY PREVENT IDEAL CONDITIONS. THOSE GUSTY WINDS WILL
PRIMARILY BE FROM THE NORTH THIS AFTERNOON.


.TODAY...
TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........MCLDY  MCLDY  MCLDY  PCLDY  PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............66     67     69     71     72     74
RH..............90     82     73     64     58     53
20 FT WIND......W 6    NW 8   NW 9   NW 9   NW 12  NW 10
20 FT WIND GUST.10     15     15     15     20     15
MIX HGT (FT)....2200   2200   2500   3100   3500   3500
TRANSPORT WIND..310/16 320/16 320/14 310/13 310/14 310/16
DISPERSION......11     22     30     41     36     56
CHC OF PCPN (%).10     10     10     10     10     10

.TONIGHT...
TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........PCLDY  MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............74     69     60     56     53     51
RH..............53     58     72     80     82     85
20 FT WIND......NW 9   NW 7   N 6    N 5    N 5    N 3
20 FT WIND GUST.15     15     10     10     10     5
MIX HGT (FT)....3400   3100   2500   1400   600    400
TRANSPORT WIND..320/16 320/18 340/17 340/12 350/8  000/8
DISPERSION......55     60     54     5      4      4
CHC OF PCPN (%).10     0      0      0      0      0

.FRIDAY...
TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........MCLEAR CLEAR  CLEAR  CLEAR  MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............49     54     64     71     74     76
RH..............92     78     55     43     38     38
20 FT WIND......N 3    N 6    NE 7   N 6    N 5    N 6
20 FT WIND GUST.5      10     10     10     10     10
MIX HGT (FT)....900    1800   2800   3400   3700   3800
TRANSPORT WIND..020/12 030/13 040/9  030/7  020/6  010/6
DISPERSION......5      6      6      29     26     26
CHC OF PCPN (%).0      0      0      0      0      0

$$
FORECASTER...AARON
REQUESTED BY...JOE SMITH
TYPE OF REQUEST...PRESCRIBED
.TAG 20150521.RATTL.01/BMX



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