FNUS75 KBYZ 022300
FWSBYZ

SPOT FORECAST FOR PORCUPINE...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
500 PM MDT WED SEP 2 2009

FORECAST IS BASED ON REQUEST TIME OF 1651 MDT ON SEPTEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...BECOMING HOT AND DRY...COLD FRONT EXPECTED SUNDAY...

.DISCUSSION...
AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BRING WARM AND DRY
CONDITIONS THROUGH SATURDAY. TEMPERATURES DURING THIS PERIOD WILL
BE IN THE UPPER 80S TO LOWER 90S WITH MINIMUM RELATIVE HUMIDITIES
DROPPING INTO THE TEENS. OVERNIGHT TEMPERATURES WILL ALSO BE
RELATIVELY WARM WITH POOR HUMIDITY RECOVERIES. AT THIS TIME...A
COLD FRONT IS EXPECTED TO IMPACT THE AREA ON SUNDAY.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....61-66.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 15 MPH IN THE EVENING SHIFTING
                    TO THE SOUTH OVERNIGHT.
 RIDGETOP...........NORTH 5 TO 15 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTH 5 TO 15 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....86-91.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......10500 FT AGL.
MIXING WINDS........SOUTHEAST 5 TO 10 MPH.

$$
FORECASTER...SOLUM
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...WILDFIRE
.TAG 20090902.PORCU.01/BYZ