FNUS74 KOUN 181618
FWSOUN

SPOT FORECAST FOR BLACK KETTLE NG  40...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE NORMAN OK
1018 AM CST FRI FEB 18 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON FEBRUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WEAK HIGH PRESSURE WILL YIELD STEADY NORTHEAST WINDS AND DRY WEATHER
TODAY. IN THE MORNING...WIND SPEEDS WILL AVERAGE 10 TO 15 MPH WITH
OCCASIONAL GUSTS AROUND 20 MPH. IN THE AFTERNOON...WINDS WILL
TURN EASTERLY...WITH FEWER GUSTS. AS TEMPERATURES RISE QUICKLY THIS
MORNING...HUMIDITY WILL BOTTOM OUT BETWEEN 18 AND 20 PERCENT. THE
EASTERLY WINDS WILL GRADUALLY CARRY GREATER MOISTURE INTO WESTERN
OKLAHOMA...ALLOWING HUMIDITY TO RECOVER TO AROUND 25 PERCENT BY
NOON...THEN REMAINING STEADY UNTIL EVENING. A WARM FRONT WILL
DEVELOP TONIGHT...WITH WINDS TURNING TO THE SOUTHEAST AN BRINGING IN
WIDESPREAD LOW CLOUDS AND HIGHER HUMIDITY. WINDS WILL BE BREEZY
SATURDAY AND SUNDAY...WITH MORE SIGNIFICANT DRYING BY SUNDAY
AFTERNOON.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT CLOUD COVER).
MAX TEMPERATURE.....MAX 64.
MIN HUMIDITY........MIN 23 PERCENT.
20-FOOT WINDS.......EAST WINDS 10 TO 14 MPH.
MIXING HEIGHT.......1100 FT AGL AT 10 AM...INCREASING TO 3000 FT
                    AGL BY 3 PM.
TRANSPORT WINDS.....EAST 13 TO 21 MPH.

TIME (CST)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
SKY (%).........MCLEAR PCLDY  PCLDY  PCLDY  MCLDY  MCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............49     55     61     64     60     52
RH..............26     23     24     28     39     56
20 FT WIND......NE 14  NE 13  E 12   E 10   E 9    E 8
20 FT WIND GUST.20     20     15     15     15     15
MIX HGT (FT)....1100   2200   2800   3000   2600   1000
MIX HGT (M).....340    670    850    910    790    300
TRANSPORT WIND..NE 21  NE 17  NE 15  E 13   E 12   E 8
TRAN WIND (M/S).NE 9   NE 8   NE 7   E 6    E 5    E 4

.TONIGHT...

SKY/WEATHER.........CLOUDY (85-95 PERCENT CLOUD COVER). AREAS OF FOG AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....MIN 43.
MAX HUMIDITY........MAX 89 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 6 TO 9 MPH.
MIXING HEIGHT.......1000-2600 FT AGL DECREASING TO 100-500 FT AGL
                    IN THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTHEAST 3 TO 12 MPH.

.SATURDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). AREAS OF FOG EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....MAX 70.
MIN HUMIDITY........MIN 53 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 6 TO 15 MPH WITH GUSTS TO AROUND 25
                    MPH INCREASING TO 15 TO 16 MPH WITH GUSTS TO
                    AROUND 25 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......300-1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 2 TO 9 MPH INCREASING TO SOUTH 13 TO
                    21 MPH IN THE AFTERNOON.

$$
FORECASTER...BURKE
REQUESTED BY...JUSTIN J  THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110218.BLACK.01/OUN