FNUS74 KOUN 181628
FWSOUN

SPOT FORECAST FOR RX CHIC 2013...NPS
NATIONAL WEATHER SERVICE NORMAN OK
1028 AM CST MON FEB 18 2013

FORECAST IS BASED ON IGNITION TIME OF 1500 CST ON FEBRUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COLD FRONT WILL MOVE THROUGH THE AREA BETWEEN 11 AM AND 1 PM
SHIFTING WINDS TO THE NORTHWEST AND REMAINING BREEZY. WIND SPEEDS
WILL RANGE FROM 15 TO 25 MPH WITH SOME GUSTS AROUND 35 MPH
POSSIBLE THIS AFTERNOON. WINDS ARE EXPECTED TO DECREASE AFTER
SUNSET. A FEW SHOWERS AND THUNDERSTORMS MAY ALSO OCCUR EARLY THIS
AFTERNOON BUT RAIN CHANCES ARE EXPECTED TO END LATER THIS
AFTERNOON. MORE WIDESPREAD RAIN AND THUNDERSTORMS ARE EXPECTED
WEDNESDAY THROUGH THURSDAY MORNING AS A STRONG STORM SYSTEM MOVES
FROM THE SOUTHWESTERN U.S. INTO THE CENTRAL AND SOUTHERN PLAINS.
MAINLY DRY AND SEASONABLY COOL WEATHER WILL THEN PREVAIL THROUGH
THE REMAINDER OF THE WEEK. PRECIPITATION CHANCES WILL INCREASE
AGAIN SUNDAY NIGHT AND MONDAY AS ANOTHER SYSTEM APPROACHES THE
REGION.

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE LATE MORNING
                    AND EARLY AFTERNOON.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........24 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 16 TO 22 MPH WITH GUSTS TO
                    AROUND 35 MPH IN THE LATE MORNING AND
                    AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE LATE MORNING AND
                    EARLY AFTERNOON.
MIXING HEIGHT.......2700-4500 FT AGL INCREASING TO 4100-5400 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 16 TO 22 MPH IN THE LATE MORNING AND
                    AFTERNOON.

TIME (CST)      3 PM   5 PM
SKY (%).........PCLDY  MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE
TEMP............64     62
RH..............28     26
20 FT WIND......N 22   NW 22
20 FT WIND GUST.35     35
MIX HGT (FT)....5400   4100
MIX HGT (M).....1650   1250
TRANSPORT WIND..NW 24  NW 21
TRAN WIND (M/S).NW 11  NW 9

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........69 PERCENT.
20-FOOT WINDS.......NORTHEAST WINDS 7 TO 15 MPH WITH GUSTS TO
                    AROUND 25 MPH.
MIXING HEIGHT.......1900-3000 FT AGL DECREASING TO LESS THAN 100 FT
                    AGL EARLY IN THE EVENING.
TRANSPORT WINDS.....NORTHEAST 7 TO 15 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........29 PERCENT.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 7 MPH EARLY IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTHEAST 5 TO 8
                    MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......100-1800 FT AGL INCREASING TO 4700-6500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 7 MPH EARLY IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTHEAST 5 TO 8
                    MPH IN THE LATE MORNING AND AFTERNOON.

$$
FORECASTER...MAXWELL
REQUESTED BY...TODD WOOD
TYPE OF REQUEST...PRESCRIBED
.TAG 20130218.RXCHI.01/OUN