FNUS75 KBYZ 271602
FWSBYZ

SPOT FORECAST FOR BROKEN JAW RX...NORTHERN CHEYENNE AGENCY BIA
NATIONAL WEATHER SERVICE BILLINGS MT
1002 AM MDT MON SEP 27 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON SEPTEMBER 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A RIDGE OF HIGH PRESSURE WILL REBUILD OVER THE FIRE SITE TODAY
AND WILL PROVIDE SUNNY SKIES AND VERY WARM TEMPERATURES. HIGHS
WILL BE IN THE LOWER 80S TODAY WHICH WILL CAUSE RELATIVE
HUMIDITIES TO FALL INTO THE LOWER 20S THIS AFTERNOON. DRY AIR
WILL REMAIN OVER THE REGION TONIGHT AND HUMIDITY RECOVERIES WILL
ONLY BE IN THE 40 PERCENT RANGE. WARMER TEMPERATURES CAN BE
EXPECTED ON TUESDAY WITH HIGHS IN THE MID 80S. THIS WILL CAUSE
HUMIDITIES TO FALL INTO THE LOWER TEENS DURING THE AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......6700 FT AGL.
MIXING WINDS........NORTH 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....52-57.
MAX HUMIDITY........40-45 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....82-87.
MIN HUMIDITY........11-16 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......5700 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

$$
FORECASTER...SOLUM
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20100927.BROKE.02/BYZ