FNUS75 KBYZ 282051
FWSBYZ

SPOT FORECAST FOR CATHEDRAL PEAK...BILLINGS DISAPTCH
NATIONAL WEATHER SERVICE BILLINGS MT
251 PM MDT WED SEP 28 2011

FORECAST IS BASED ON REQUEST TIME OF 1426 MDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THE WINDS WILL LIKELY REMAIN OUT OF THE WEST AT 8 TO 14 MPH AT THE
FIRE SITE FOR THE REST OF THE AFTERNOON. WINDS WILL BE STRONGER AT
THE RIDGETOP LEVEL AND IN EXPOSED AREAS. MINIMUM RELATIVE HUMIDITY
IS EXPECTED TO BE NEAR 20 PERCENT. SIMILAR CONDITIONS ARE EXPECTED
ON THURSDAY. ON FRIDAY AND SATURDAY...IT WILL BE VERY WARM AND DRY
WITH MINIMUM HUMIDITIES IN THE TEENS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 8 TO 14 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......11400 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWNVALLEY 5 TO 8 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UPVALLEY 5 TO 10 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......10900 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

$$
FORECASTER...SCHULTZ/CHAMBERS
REQUESTED BY...LAURA
TYPE OF REQUEST...WILDFIRE
.TAG 20110928.CATHE.02/BYZ