FNUS74 KOUN 211219
FWSOUN

SPOT FORECAST FOR CEMENT FIRE...BIA FIRE
NATIONAL WEATHER SERVICE NORMAN OK
719 AM CDT THU APR 21 2011

FORECAST IS BASED ON REQUEST TIME OF 0706 CDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
OKLAHOMA AND WESTERN NORTH TEXAS WILL REMAIN ON COOL SIDE OF
SURFACE BOUNDARY TODAY.  THE FRONT WILL LIFT BACK TO THE NORTH
AS A WARM FRONT TONIGHT INTO EARLY FRIDAY.  A DRYLINE WILL
PUSH INTO SOUTHWEST OKLAHOMA AND WESTERN NORTH TEXAS FRIDAY
AFTERNOON.  VERY WARM TEMPERATURES AND LOW HUMIDITY VALUES WILL
INCREASE THE RISK OF WILDFIRES.  A COLD FRONT WILL PUSH INTO
SOUTHERN OKLAHOMA AND NORTH TEXAS BY SATURDAY.  A STRONGER
STORM SYSTEM WILL MOVE ACROSS THE SOUTHERN PLAINS ON
MONDAY INCREASING THE RISK OF WILDFIRES ESPECIALLY ACROSS
WESTERN OKLAHOMA AND ADJACENT AREAS OF NORTH TEXAS.


.TODAY...

SKY/WEATHER.........CLOUDY (95-100 PERCENT). CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........64 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 6 TO 13 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......900-1500 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............55     55     57     64     66     67
RH..............64     72     77     67     68     70
20 FT WIND......NE 7   NE 7   E 8    SE 10  S 12   S 12
20 FT WIND GUST.10     10     10            20     15
MIX HGT (FT)....1000   1400   1300   900    1300   1500
MIX HGT (M).....300    430    400    270    400    460
TRANSPORT WIND..NE 10  N 7    NE 7   SE 10  S 9    S 10
TRAN WIND (M/S).NE 4   N 3    NE 3   SE 4   S 4    S 4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 62.
MAX HUMIDITY........87 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 9 TO 16 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......500-1200 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 17 MPH INCREASING TO 21 TO 22 MPH
                    EARLY IN THE MORNING.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
                    AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........28 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 13 TO 16 MPH. GUSTS UP TO 30 MPH
                    EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......700-1600 FT AGL INCREASING TO 2900-4600 FT AGL
                    LATE IN THE MORNING...THEN INCREASING TO 6500
                    FT AGL EARLY IN THE AFTERNOON INCREASING TO
                    9300 FT AGL EARLY IN THE AFTERNOON INCREASING
                    TO 11800-12900 FT AGL DECREASING TO 10900 FT
                    AGL LATE IN THE AFTERNOON DECREASING TO 7600 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 22 TO 31 MPH SHIFTING TO THE WEST 23
                    TO 32 MPH EARLY IN THE AFTERNOON...THEN
                    BECOMING NORTHWEST AROUND 14 MPH LATE IN THE
                    AFTERNOON.

$$
FORECASTER...THOREN
REQUESTED BY...BIA FIRE
TYPE OF REQUEST...WILDFIRE
.TAG 20110421.CEMEN.01/OUN