000 
FNUS75 KBYZ 081725
FWSBYZ

SPOT FORECAST -- CHEYENNE ISLAND -- BLM MCD
NATIONAL WEATHER SERVICE BILLINGS MT
1125 AM MDT TUE JUL 8 2003


IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DISTURBANCE IN THE UPPER ATMOSPHERE WILL MOVE ACROSS
THE FIRE AREA THIS AFTERNOON AND EVENING. SCATTERED THUNDERSTORMS WITH
SHIFTING AND GUSTY WINDS WILL OCCUR THROUGH TONIGHT. TORRENTIAL
RAIN WILL BE POSSIBLE WITH THE THUNDERSTORMS AS WELL. HUMIDITIES WILL
RECOVER TO NEAR 90 PERCENT OVERNIGHT. WEDNESDAY WILL BE A MOSTLY
SUNNY AND DRY DAY UNDER HIGH PRESSURE.

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (75-85%). SCATTERED THUNDERSTORMS.
LAL.................3.
CHC OF WETTING RAIN.20 PERCENT.
MAX TEMPERATURE.....84.
MIN HUMIDITY........AROUND 40%.
20-FOOT WINDS.......BREEZY. SOUTHEAST WINDS 20 TO 25 MPH BECOMING
                    NORTH LATE.
RIDGE TOP WINDS.....SOUTHEAST 25 MPH BECOMING NORTH LATE.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15 MPH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (75-85%). NUMEROUS THUNDERSTORMS
                    UNTIL 2400...THEN ISOLATED THUNDERSTORMS.
LAL.................4.
CHC OF WETTING RAIN.30 PERCENT.
MIN TEMPERATURE.....55.
MAX HUMIDITY........AROUND 90%.
20-FOOT WINDS.......NORTHEAST WINDS 20 MPH SHIFTING TO THE NORTHWEST
                    AFTER MIDNIGHT.
RIDGE TOP WINDS.....WEST 15 MPH BECOMING NORTHWEST 35 MPH AFTER
                    MIDNIGHT.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTH 10 MPH.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (25-35%).
LAL.................1.
CHC OF WETTING RAIN.ZERO.
MAX TEMPERATURE.....84.
MIN HUMIDITY........29%.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
RIDGE TOP WINDS.....NORTHWEST 40 MPH DECREASING TO 25 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 MPH.

=
$$
ARTHUR

.INFO 049/W/21/200307081657/1
.TAG 20030708.CHEYE.01/byz