FNUS73 KLBF 181225
FWSLBF

SPOT FORECAST FOR GROUSE...USFS NNF
NATIONAL WEATHER SERVICE NORTH PLATTE NE
725 AM CDT THU MAR 18 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MARCH 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
.A COLD FRONT WILL APPROACH THE NORTHERN SANDHILLS LATER THIS
MORNING...PASSING THROUGH NNF BETWEEN THE 3 PM CDT TO 5 PM CDT
-TIME FRAME. WINDS WILL BE SOUTHWESTERLY AT 5 TO 15 MPH AHEAD OF
THE FRONT WITH A NORTHWARD SHIFT BEHIND THE FRONT. NORTHERLY WINDS
OF 15 TO 25 MPH...WITH GUSTS UP TO 30 MPH WILL BE COMMON BEHIND
THE FRONT. RAIN IS LIKELY BEHIND THE FRONT THIS EVENING...WITH A
CHANGEOVER TO SNOW TOWARD MIDNIGHT.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
                    TEMPERATURE.........37 AT IGNITION...MAX 61.
                    MIN HUMIDITY........72 PERCENT AT IGNITION...MIN 36 PERCENT.
WIND (EYE LEVEL)....SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE
                    MORNING BECOMING LIGHT...THEN BECOMING NORTH 6
                    TO 15 MPH LATE IN THE AFTERNOON.
WIND (20 FT)........WINDS SOUTHWEST AT 4 MPH AT
                    IGNITION...OTHERWISE SOUTHWEST WINDS AROUND 5
                    MPH EARLY IN THE MORNING BECOMING LIGHT...THEN
                    BECOMING NORTH 6 TO 15 MPH WITH GUSTS TO AROUND
                    30 MPH LATE IN THE AFTERNOON.
LAL.................1.
HAINES INDEX........4 LOW AT IGNITION...MAX 4.
MIXING HEIGHT.......600 FT AGL AT IGNITION...OTHERWISE 500-2200 FT
                    AGL UNTIL 1700...THEN 2500-2800 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 14 MPH INCREASING TO NORTHWEST 18 TO
                    23 MPH LATE IN THE AFTERNOON...THEN SHIFTING TO
                    THE NORTH AROUND 28 MPH LATE IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........CLOUDY. CHANCE OF RAIN IN THE EVENING...THEN
                    RAIN AFTER MIDNIGHT. SNOW EARLY IN THE MORNING.
MIN TEMPERATURE.....35.
MAX HUMIDITY........75 PERCENT.
WIND (EYE LEVEL)....NORTH WINDS 11 TO 19 MPH DECREASING TO 8 TO 10
                    MPH AFTER MIDNIGHT.
WIND (20 FT)........NORTH WINDS 11 TO 19 MPH WITH GUSTS TO AROUND
                    30 MPH DECREASING TO 8 TO 10 MPH AFTER
                    MIDNIGHT.
LAL.................1.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......1500-2900 FT AGL.
TRANSPORT WINDS.....NORTH 22 TO 30 MPH.

.FRIDAY...

SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW THROUGH THE DAY.
                    SNOW LIKELY IN THE MORNING. CHANCE OF SNOW IN
                    THE AFTERNOON.
MAX TEMPERATURE.....35.
MIN HUMIDITY........66 PERCENT.
WIND (EYE LEVEL)....NORTH WINDS 11 TO 12 MPH.
WIND (20 FT)........NORTH WINDS 11 TO 12 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......2100-3500 FT AGL.
TRANSPORT WINDS.....NORTH 26 TO 29 MPH.

$$
FORECASTER...BUTTLER
REQUESTED BY...MICHAEL E  CROXEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100318.GROUS.01/LBF