FNUS75 KBOI 211613
FWSBOI

SPOT FORECAST FOR 5 CREEKS...OR-BIC
NATIONAL WEATHER SERVICE BOISE ID
1013 AM MDT MON SEP 21 2009

FORECAST IS BASED ON IGNITION TIME OF 0935 MDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...PROGRESSIVELY WARMER AND DRIER THE NEXT FEW DAYS...

.DISCUSSION...
UPPER LEVEL RIDGE OVER THE WEST COAST WILL AMPLIFY AND BUILD
INLAND FOR PROGRESSIVELY WARMER AND DRIER CONDITIONS ACROSS THE
BURN AREA. THERMAL TROUGH OVER THE OREGON/CALIFORNIA COAST AND
SURFACE HIGH PRESSURE OVER WESTERN MONTANA WILL BRING AN EAST TO
NORTHEAST FLOW THROUGH TUESDAY. DRY AIR OVER THE AREA WILL BRING
INCREASINGLY HIGHER HAINES...ALONG WITH LOW AFTERNOON HUMIDITIES
AND POOR OVERNIGHT RECOVERIES.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....69 TO 73.
MIN HUMIDITY........9 TO 13 PERCENT.
WIND - EYE LEVEL....NORTHEAST 7 TO 10 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WIND......EAST AROUND 10 MPH.
VENTILATION INDEX...250 FAIR.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....40 TO 45.
MAX HUMIDITY........28 TO 38 PERCENT.
WIND - EYE LEVEL....LIGHT AND VARIABLE AT OR BELOW 5 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 5-10 MPH.
VENTILATION INDEX...100 POOR.

.TUESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....75 TO 82.
MIN HUMIDITY........7 TO 11 PERCENT.
WIND - EYE LEVEL....NORTHEAST 5 TO 8 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 10 MPH.
VENTILATION INDEX...300 FAIR.

$$
FORECASTER...THIMMESCH
REQUESTED BY...DAVE TONEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090921.5CREE.01/BOI