FNUS75 KCYS 232150
FWSCYS

SPOT FORECAST FOR MARKING PEN RX...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
350 PM MDT FRI MAR 23 2012

FORECAST IS BASED ON IGNITION TIME OF 1600 MDT ON MARCH 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

EXPECT WINDS TO CONTINUE AS THEY ARE LATE THIS AFTERNOON WITH
DECREASING SPEEDS TOWARDS SUNSET. HUMIDITIES CAN BE EXPECTED TO FALL
TO ABOUT 18 PERCENT OVER THE NEXT COUPLE HOURS. FOR THE OVERNIGHT
HOURS...WINDS TO DECREASE DOWN TO 7 TO 10 MPH WITH GUSTS TO 15 MPH
AFTER 7 PM WITH HUMIDITIES RECOVERING TO AROUND 65 PERCENT. LOOKS
LIKE A REPEAT FOR SATURDAY WITH SOUTHWEST WINDS 5 TO 7 MPH IN THE
MORNING...INCREASING TO 10 TO 15 MPH WITH GUSTS TO 25 MPH AFTER 1 PM.

.REST OF TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........12 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 16 TO 17 MPH WITH GUSTS TO 25 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 23 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (121900-128800 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........69-75 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 17 MPH AND GUSTY
                    DECREASING TO 5 TO 6 MPH EARLY IN THE MORNING.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3200 FT AGL DECREASING TO 100 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 13 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (800-64300 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........21-27 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 14 MPH. GUSTS UP TO 25
                    MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3900 FT AGL INCREASING TO 7500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 14 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (22500-126300 KNOT-FT).

$$
FORECASTER...CLAYCOMB
REQUESTED BY...CHRIS OTTO
TYPE OF REQUEST...PRESCRIBED
.TAG 20120323.MARKI.02/CYS