FNUS75 KCYS 290147
FWSCYS

SPOT FORECAST FOR BCWMA...NEBRASKA GAME & PARKS COMMISSION
NATIONAL WEATHER SERVICE CHEYENNE WY
747 PM MDT MON MAR 28 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MARCH 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
FIRST DISTURBANCE WILL CONTINUE TO ROLL THROUGH THE REGION TONIGHT...BUT
SHOULD CLEAR THE BURN SITE BY TIME OF IGNITION ON TUESDAY. THAT
SAID...THERE MAY BE LINGERING LOW CLOUDS AND/OR FOG THROUGH MID-
MORNING TUESDAY BEFORE GRADUALLY LIFTING AROUND LATE MORNING. THE
LATE START TO DAYTIME HEATING WILL KEEP MINIMUM RELATIVE
HUMIDITIES FAIRLY HIGH IN THE 40 TO 50 PERCENT RANGE ON TUESDAY.
WINDS MAY INCREASE SOMEWHAT DURING THE AFTERNOON HOURS AS
WELL...WITH PERHAPS GUSTS UP TO 20 MPH. EXPECT ANOTHER NIGHT OF
EXCELLENT HUMIDITY RECOVERIES ON TUESDAY NIGHT...WITH ANOTHER DRY
DAY EXPECTED ON WEDNESDAY. TEMPERATURES WILL BE A FEW DEGREES
WARMER AND CORRESPONDING RELATIVE HUMIDITIES A FEW PERCENT DRIER
ON WEDNESDAY. ANOTHER WEAK DISTURBANCE WILL ROLL THROUGH THE AREA
WEDNESDAY NIGHT AND THURSDAY...WITH A VERY WINDY DAY IN STORE FOR
THE REGION ON THURSDAY.

.TUESDAY...

SKY/WEATHER.........AREAS OF FOG LINGERING UNTIL 1000 THEN MOSTLY
                    CLOUDY (75-85 PERCENT) UNTIL 1300...THEN
                    PARTLY CLOUDY (45-55 PERCENT).
TEMPERATURE.........36 AT IGNITION...MAX 45.
RH..................64 PERCENT AT IGNITION...MIN 45 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 5 TO 10 MPH AT
                    IGNITION...INCREASING TO 15 WITH GUSTS UP TO 20
                    MPH AFTER 2000.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH AT IGNITION...MAX 2.
MIXING HEIGHT.......4400 FT AGL AT IGNITION...OTHERWISE 4400-6100
                    FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....GOOD /34100 KNOT-FT/ AT IGNITION. MAX...GOOD
                    /47100 KNOT-FT/.

.TUESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
TEMPERATURE.........MIN 28.
RH..................MAX 90 TO 95 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 5 TO 15 MPH UNTIL 1900...THEN
                    SOUTH/SOUTHWEST AT 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3100 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AT 5 TO 15 MPH UNTIL 2000...THEN SOUTH
                    AT 5 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (2700-27300 KNOT-FT).

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 1200...THEN
                    MOSTLY CLOUDY (70-80 PERCENT).
TEMPERATURE.........MAX 48-52.
RH..................MIN 35-40 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
                    WEST/NORTHWEST AFTER 1200...INCREASING.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500 FT AGL INCREASING TO 5300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST UNTIL 1200...THEN WEST/NORTHWEST AT 10
                    TO 15 MPH WITH GUSTS TO 25 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (27000-61800 KNOT-FT).

$$

FORECASTER...HAHN
REQUESTED BY...GREG SCHENBECK
TYPE OF REQUEST...PRESCRIBED
.TAG 20110329.BCWMA.01/CYS