FNUS75 KBOI 221544
FWSBOI

SPOT FORECAST FOR 5 CREEKS...OR-BIC
NATIONAL WEATHER SERVICE BOISE ID
944 AM MDT TUE SEP 22 2009

FORECAST IS BASED ON IGNITION TIME OF 0920 MDT ON SEPTEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARM AND VERY DRY CONDITIONS PERSIST...

.DISCUSSION...UPPER LEVEL RIDGE OF HIGH PRESSURE WILL CONTINUE TO
STRENGTHEN OVER THE BURN AREA TODAY...FOR CONTINUED WARM AND VERY
DRY CONDITIONS. HAINES INDEX FORECAST TO REACH 5 BY WEDNESDAY AS
THE AIRMASS BECOMES MORE UNSTABLE AS THE THERMAL TROUGH SHIFTS
INTO CENTRAL OREGON. EXPECT VERY LOW RELATIVE HUMIDITIES AND POOR
OVERNIGHT RECOVERIES THROUGH THURSDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....77 TO 83.
MIN HUMIDITY........6 TO 11 PERCENT.
WIND - EYE LEVEL....EAST 6 TO 9 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WIND......EAST AROUND 10 MPH.
VENTILATION INDEX...450 FAIR.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....52 TO 58.
MAX HUMIDITY........17 TO 21 PERCENT.
WIND - EYE LEVEL....VARIABLE AT OR BELOW 5 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...75 POOR.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80 TO 85 .
MIN HUMIDITY........5 TO 10 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 5 TO 8 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 10 MPH.
VENTILATION INDEX...500 GOOD.

$$
FORECASTER...THIMMESCH
REQUESTED BY...DAVE TONEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090922.5CREE.01/BOI