FNUS74 KOUN 171054
FWSOUN

SPOT FORECAST FOR ROY S CORNER...BIA
NATIONAL WEATHER SERVICE NORMAN OK
554 AM CDT TUE MAR 17 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MARCH 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SOUTHERLY WINDS WILL INCREASE THIS AFTERNOON BETWEEN SURFACE
HIGH PRESSURE OVER THE DEEP SOUTH AND A LEE TROUGH OVER THE HIGH
PLAINS. COMBINED WITH DRY AIR AND VERY WARM
TEMPERATURES...CONDITIONS WILL BE FAVORABLE FOR THE SPREADING OF
WILDFIRES.  A COLD FRONT WILL MOVE ACROSS THE SOUTHERN PLAINS
WEDNESDAY AND WEDNESDAY NIGHT SHIFTING WINDS TO THE NORTH AND NORTHEAST.
RAIN AND A FEW THUNDERSTORMS MAY FORM ALONG AND BEHIND THE FRONT.
A WEAK UPPER LEVEL STORM SYSTEM WILL APPROACH THE AREA LATE THURSDAY
INTO FRIDAY BRINGING ANOTHER OPPORTUNITY FOR MUCH NEEDED RAINFALL.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF DENSE FOG EARLY
                    IN THE MORNING.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........24 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 5 TO 14 MPH INCREASING TO 14 TO 17
                    MPH WITH GUSTS TO AROUND 30 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......LESS THAN 100 FT AGL INCREASING TO 7700-9300 FT
                    AGL.
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH INCREASING TO 21 TO 25 MPH
                    LATE IN THE MORNING.

TIME (CDT)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
SKY (%).........MCLEAR MCLEAR CLEAR  CLEAR  CLEAR  CLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............49     63     76     80     81     79
RH..............83     48     31     26     24     25
20 FT WIND......S 6    S 9    S 14   S 17   S 16   S 12
20 FT WIND GUST.       10     20     30     25     15
MIX HGT (FT)....100    2300   6200   8800   9000   6600
MIX HGT (M).....30     700    1890   2680   2740   2010
TRANSPORT WIND..S 13   S 18   SW 23  S 22   S 23   S 26
TRAN WIND (M/S).S 6    S 8    SW 10  S 10   S 10   S 12

.TONIGHT...

SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........77 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 7 TO 13 MPH.
MIXING HEIGHT.......6600 FT AGL DECREASING TO LESS THAN 100 FT AGL.
TRANSPORT WINDS.....SOUTH 17 TO 26 MPH DECREASING TO 13 TO 15 MPH
                    IN THE LATE EVENING AND OVERNIGHT.

.WEDNESDAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........34 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 8 TO 16 MPH SHIFTING TO THE
                    SOUTHWEST AROUND 6 MPH WITH GUSTS TO AROUND 20
                    MPH EARLY IN THE AFTERNOON...THEN BECOMING
                    LIGHT EARLY IN THE AFTERNOON BECOMING NORTH 6
                    TO 12 MPH WITH GUSTS TO AROUND 25 MPH LATE IN
                    THE AFTERNOON.
MIXING HEIGHT.......200-1700 FT AGL INCREASING TO 7600-9200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH BECOMING SOUTH 3 TO 7
                    MPH LATE IN THE AFTERNOON.

$$
FORECASTER...GALLANT
REQUESTED BY...ROBERTSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090317.ROYSC.01/OUN