Suppression Forecast
Issued by NWS Huntsville, AL

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1
000
FNUS74 KHUN 101506
FWSHUN

SPOT FORECAST FOR SLANT ROCK...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1006 AM CDT THU APR 10 2014

FORECAST IS BASED ON IGNITION TIME OF 1020 CDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WARM TEMPERATURES AND DRY AIR  WILL LOWER RELATIVE HUMIDITY VALUES
BELOW 25 PERCENT FOR 3 TO 4 HOURS THIS AFTERNOON. TRANSPORT WINDS
WILL ALSO BE AROUND 20 MPH. THIS WILL CREATE DANGEROUS FIRE SPREADING
CONDITIONS ACROSS NORTHERN ALABAMA THIS AFTERNOON.

SOUTHWESTERLY FLOW AND MOISTURE ADVECTION WILL INCREASE INTO
FRIDAY. THIS SHOULD RAISE RELATIVE HUMIDITY VALUES SIGNIFICANTLY
FRIDAY AFTERNOON.


.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 14 TO 17 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......100-200 FT AGL INCREASING TO 2800-3700 FT AGL
                    IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 3 MPH SHIFTING TO THE
                    SOUTHEAST AROUND 2 MPH EARLY IN THE
                    MORNING...THEN INCREASING TO SOUTH 15 TO 18 MPH
                    IN THE LATE MORNING AND AFTERNOON.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............62     68     72     72
RH..............45     32     26     25
20 FT WIND DIR..200    200    200    190
20 FT WIND SPD..15     17     16     14
20 FT WIND GUST.25     25     25     20
MIX HGT (FT)....2800   3700   3700   3700
TRANSP WIND DIR.210    200    200    200
TRANSP WIND SPD.15     18     18     17
DISPERSION IDX..34     49     49     46
CHC OF PCPN (%).0      0      0      0

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 12 MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......3700 FT AGL DECREASING TO 300-400 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 17 MPH SHIFTING TO THE SOUTHWEST 7
                    TO 8 MPH IN THE LATE EVENING AND OVERNIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............70     64     58     55     52     50
RH..............25     35     58     66     69     72
20 FT WIND DIR..190    190    190    190    190    200
20 FT WIND SPD..12     9      9      9      9      8
20 FT WIND GUST.20     15     15     15     15     15
MIX HGT (FT)....3700   300    400    400    300    300
TRANSP WIND DIR.200    200    190    190    180    220
TRANSP WIND SPD.17     15     7      7      7      8
DISPERSION IDX..46     0      0      5      5      5
CHC OF PCPN (%).0      10     10     10     10     10

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 15 MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......300 FT AGL INCREASING TO 4400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 14 MPH.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........PCLDY  PCLDY  PCLDY  PCLDY  PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............49     52     61     67     70     72
RH..............78     75     61     49     40     35
20 FT WIND DIR..200    200    210    210    220    210
20 FT WIND SPD..9      10     13     14     14     9
20 FT WIND GUST.15     20     20     25     25     15
MIX HGT (FT)....300    300    2300   2300   3800   4400
TRANSP WIND DIR.220    210    230    230    230    240
TRANSP WIND SPD.8      5      14     14     13     13
DISPERSION IDX..5      4      19     28     34     49
CHC OF PCPN (%).10     10     10     10     10     10

$$
FORECASTER...WEBER
REQUESTED BY...MIKE WARD
TYPE OF REQUEST...PRESCRIBED
.TAG 20140410.SLANT.03/HUN



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.