FNUS75 KBYZ 041521
FWSBYZ

SPOT FORECAST FOR BLACK SPRINGS RX...MT-NCA
NATIONAL WEATHER SERVICE BILLINGS MT
821 AM MST WED NOV 4 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON NOVEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

SUNNY SKIES CAN BE EXPECTED TODAY AND THURSDAY AS AN UPPER LEVEL
RIDGE OF HIGH PRESSURE BUILDS OVER THE BURN SITE. CONDITIONS WILL
NOT BE AS WINDY AS WAS THE CASE YESTERDAY AS MAINLY A DRAINAGE
WIND WILL BE OBSERVED. TEMPERATURES WILL BE MUCH WARMER TODAY AND
EVEN WARMER FOR THURSDAY. IN ADDITION...AFTERNOON HUMIDITIES WILL
BE LOWER AS WELL WITH READINGS DROPPING INTO THE MIDDLE TEENS TO
THE LOWER 20S.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 15 MPH.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......3100 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....31-36.
MAX HUMIDITY........58-64 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH 5 TO 10 MPH BECOMING SOUTHWEST 5 TO 10 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 15 MPH.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......2000 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

$$
FORECASTER...HOOLEY
REQUESTED BY...RAY HART
TYPE OF REQUEST...PRESCRIBED
.TAG 20091104.BLACK.01/BYZ