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522
FNUS73 KOAX 181038
FWSOAX

SPOT FORECAST FOR COOPER CREEK WMA...IOWA DNR
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
538 AM CDT FRI APR 18 2014

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

.DISCUSSION...

THE CENTRAL PLAINS REGION WILL SEE INCREASING SOUTH WINDS TODAY AS
HIGH PRESSURE MOVES OFF TO THE EAST AND LOW PRESSURE MOVES FROM THE
NORTHERN ROCKIES INTO WESTERN SOUTH DAKOTA. GUSTY SOUTH WINDS WILL
CONTINUE TONIGHT ACROSS THE AREA AS A COLD FRONT APPROACHES. THE FRONT
WILL MOVE THROUGH NORTHEAST NEBRASKA ON SATURDAY THEN STALL OUT
OVER EAST CENTRAL NEBRASKA BY SATURDAY AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 14 MPH SHIFTING TO THE
                    SOUTH 16 TO 20 MPH IN THE AFTERNOON.
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300-1600 FT AGL INCREASING TO 4800-5800 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH INCREASING TO 22 TO 25 MPH
                    LATE IN THE AFTERNOON.

TIME (CDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
SKY (%).........16     14     14     14     13     13
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............49     59     65     69     68     63
RH..............54     40     34     31     34     44
20 FT WIND......S 12   S 13   S 16   S 20   S 18   S 16
20 FT WIND GUST.15     15     25     30     30     25
HAINES INDEX....3      3      3      4      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 17 MPH.
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500-5000 FT AGL DECREASING TO 0-1700 FT AGL
                    EARLY IN THE EVENING.
TRANSPORT WINDS.....SOUTHEAST 20 TO 29 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS LATE IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........SOUTH WINDS 12 TO 20 MPH INCREASING TO 20 TO 23
                    MPH IN THE LATE MORNING AND AFTERNOON. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    LATE IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 4700-4900 FT AGL.
TRANSPORT WINDS.....SOUTH 22 TO 31 MPH INCREASING TO 29 TO 36 MPH
                    IN THE LATE MORNING AND AFTERNOON.

$$
FORECASTER...FOBERT
REQUESTED BY...MATT DOLLISON
TYPE OF REQUEST...PRESCRIBED
.TAG 20140418.COOPE.01/OAX




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