FNUS75 KCYS 221111
FWSCYS

SPOT FORECAST FOR MARKING PEN RX...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
511 AM MDT THU MAR 22 2012

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MARCH 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A GRADUAL TREND TOWARD WARMER AND DRIER WEATHER CONDITIONS WILL
CONTINUE ON THURSDAY. AFTERNOON HIGH TEMPERATURES WILL BE IN THE
UPPER 50S TO AROUND 60 DEGREES...WITH MINIMUM RELATIVE HUMIDITY
VALUES RANGING FROM 20 TO 30 PERCENT. SOUTHWEST WINDS AT 10 TO 15
MPH...WITH GUSTS AS HIGH AS 20 MPH WILL PREVAIL THROUGH THE
FORECAST PERIOD. ON FRIDAY...LOOK FOR TEMPERATURES TO INCREASE
INTO THE MIDDLE 60S AND WINDS TO INCREASE INTO THE 15 TO 25 MPH
RANGE. RELATIVE HUMIDITY VALUES SHOULD REMAIN ABOVE 20 PERCENT ON
FRIDAY AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTHWEST AT 5-9 MPH GUSTING 15-20 MPH AFTER
                    10 AM.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2900-4200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....BECOMING GOOD BY LATE MORNING (25700-45000 KNOT- FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........72 PERCENT.
WIND (20 FT)........SOUTHWEST 4-7 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL DECREASING TO 100 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.
SMOKE DISPERSAL.....BECOMING POOR BY MIDNIGHT (900-18000 KNOT-FT).

$$
FORECASTER...HAMMER
REQUESTED BY...HANS PEDERSEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120322.MARKI.01/CYS