FNUS74 KOUN 201327
FWSOUN

SPOT FORECAST FOR UNIT 61...BLACK KETTLE N.G
NATIONAL WEATHER SERVICE NORMAN OK
827 AM CDT MON APR 20 2009

FORECAST IS BASED ON IGNITION TIME OF 0830 CDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...LIGHT WEST WINDS THIS MORNING WILL BECOME MODERATE
LATE THIS MORNING AND EARLY THIS AFTERNOON. A WIND SHIFT IS
EXPECTED TO MOVE THROUGH ROGER MILLS COUNTY THIS AFTERNOON
SHIFTING THE WINDS TO NORTHWEST. HOWEVER GIVEN THE TOPOGRAPHY OF
THE BURN AREA... WINDS MAY BE MODIFIED FROM THE WINDS EXPECTED
OVER THE BROADER AREA BY THE TOPOGRAPHY... BEING SLIGHTLY MORE
VARIABLE IN DIRECTION THIS MORNING AND MORE NORTHERLY THIS
AFTERNOON BEHIND THE WIND SHIFT.

.TODAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........22 PERCENT.
20-FOOT WINDS.......SOUTHWEST WINDS 6 TO 15 MPH SHIFTING TO THE
                    NORTHWEST 13 TO 16 MPH IN THE LATE MORNING AND
                    AFTERNOON.
MIXING HEIGHT.......100-1200 FT AGL INCREASING TO 11400-12900 FT
                    AGL.
TRANSPORT WINDS.....WEST 7 TO 13 MPH INCREASING TO NORTHWEST 17 TO
                    26 MPH EARLY IN THE MORNING...THEN DECREASING
                    TO AROUND 16 MPH LATE IN THE AFTERNOON.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........MCLEAR MCLEAR MCLEAR PCLDY  PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............43     56     69     75     77     77
RH..............79     51     28     22     22     23
20 FT WIND......SW 9   SW 15  W 16   NW 16  NW 16  NW 13
20 FT WIND GUST.15     20     25     25     25     20
MIX HGT (FT)....500    2600   8700   12600  12600  12000
MIX HGT (M).....150    790    2650   3840   3840   3660
TRANSPORT WIND..W 13   W 21   NW 25  NW 26  NW 22  NW 16
TRAN WIND (M/S).W 6    W 9    NW 11  NW 12  NW 10  NW 7

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........77 PERCENT.
20-FOOT WINDS.......NORTH WINDS 6 TO 10 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......10400 FT AGL DECREASING TO LESS THAN 100 FT
                    AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 14 MPH SHIFTING TO THE WEST 6
                    TO 8 MPH EARLY IN THE EVENING.

.TUESDAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........21 PERCENT.
20-FOOT WINDS.......LIGHT WINDS BECOMING WEST 6 TO 12 MPH IN THE
                    LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......LESS THAN 100 FT AGL INCREASING TO 9700-10800
                    FT AGL.
TRANSPORT WINDS.....NORTH 8 TO 17 MPH SHIFTING TO THE NORTHWEST 15
                    TO 18 MPH IN THE AFTERNOON.

$$
FORECASTER...DS
REQUESTED BY...FLAVIO GALLEGOS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090420.UNIT6.02/OUN