FNUS73 KOAX 260949
FWSOAX

SPOT FORECAST FOR OMAHA CRP...BIA-WINNEBAGO
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
449 AM CDT FRI APR 26 2013

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AREAS ALONG AND NORTH OF A LINE FROM PLATTE COUNTY TO THURSTON
COUNTY WILL SEE AN INCREASING RISK FOR OUT OF CONTROL WILDFIRES
THIS AFTERNOON. A FRONTAL BOUNDARY IS EXPECTED TO CROSS INTO
NORTHEAST NEBRASKA BY LATE THIS MORNING...CAUSING AN ABRUPT WIND
SHIFT FROM SOUTHWEST TO NORTH WITH GUSTS AROUND 15 MPH ALONG
WITH LOWEST RELATIVE HUMIDITIES FALLING TO THE 20-25% RANGE.
PARTLY CLOUDY CONDITIONS SHOULD PREVAIL MOST OF THE DAY.


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 9 MPH SHIFTING TO THE NORTH 7
                    TO 10 MPH LATE IN THE MORNING.
HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 2700-3500 FT AGL
                    LATE IN THE MORNING...THEN INCREASING TO
                    4500-6100 FT AGL IN THE AFTERNOON DECREASING TO
                    2200 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 13 TO 18 MPH SHIFTING TO THE NORTH 5 TO 9
                    MPH LATE IN THE MORNING...THEN INCREASING TO 15
                    TO 20 MPH LATE IN THE AFTERNOON.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM   7 PM   9 PM
SKY (%).........33     30     30     30     30     26
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............61     66     70     71     68     58
RH..............44     38     35     34     37     53
20 FT WIND......W 8    N 7    N 7    N 9    N 12   N 9
20 FT WIND GUST.10                   10     15     10
HAINES INDEX....4      5      5      5      5      5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 12 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-300 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 22 MPH SHIFTING TO THE NORTHWEST 8
                    TO 12 MPH IN THE LATE EVENING AND OVERNIGHT.

.SATURDAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
                    MORNING BECOMING LIGHT.
HAINES INDEX........5 TO 6 OR OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-1800 FT AGL INCREASING TO 5100-6300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 1 TO 9 MPH.

$$
FORECASTER...DEE
REQUESTED BY...DUWAYNE TRAVERSIE-FMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20130426.OMAHA.01/OAX