FNUS75 KBYZ 271515
FWSBYZ

SPOT FORECAST FOR BROKEN JAW RX...NORTHERN CHEYENNE AGENCY BIA
NATIONAL WEATHER SERVICE BILLINGS MT
915 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 RH'S TO FALL INTO
THE LOWER 20 PERCENT RANGE BY AFTERNOON. DRY AIR WILL REMAIN OVER
THE REGION TONIGHT AND RH RECOVERS WILL ONLY BE IN THE 40 PERCENT
RANGE. WARMER TEMPERATURES CAN BE EXPECTED ON TUESDAY WITH HIGHS
IN THE MID 80S. THIS WILL CAUSE RH'S TO FALL INTO THE LOWER TEENS
DURING THE AFTERNOON. WINDS WILL BE NORTHWEST TODAY AT 5 TO 15
MPH...BECOMING LIGHT SOUTHEAST AFTER SUNSET TONIGHT.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......6300 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........42-47 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.....81-86.
MIN HUMIDITY........11-16 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 15 MPH.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......5200 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

$$
FORECASTER...RICHMOND
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20100927.BROKE.01/BYZ