FNUS75 KBOI 201115
FWSBOI

SPOT FORECAST FOR HIGHWAY 46...SOUTH IDAHO
NATIONAL WEATHER SERVICE BOISE ID
515 AM MDT SUN SEP 20 2009

FORECAST IS BASED ON REQUEST TIME OF 2221 MDT ON SEPTEMBER 19. IF
CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...GUSTY WINDS TODAY AND EARLY THIS EVENING...

.DISCUSSION...
MUCH COOLER AND DRY TODAY WITH VERY WINDY CONDITIONS THIS
AFTERNOON INTO THIS EVENING. WINDS WILL DECREASE BY MIDNIGHT BUT
WILL CONTINUE TO SEE GUSTS NEAR 20 MPH AFTER MIDNIGHT. COOLER
TEMPERATURES TONIGHT AS HIGH PRESSURE BUILDS ALONG THE WEST
COAST. DRY CONDITIONS AND WARMING TEMPERATURES STARTING MONDAY AS
HIGH PRESSURE BUILDS OVER THE REGION.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....67 TO 72.
MIN HUMIDITY........17 TO 22 PERCENT.
WIND - EYE LEVEL....WEST 10 TO 14 MPH WITH GUSTS NEAR 18 MPH IN
                    THE MORNING...INCREASING TO 20 TO 24 MPH
                    WITH GUSTS NEAR 28 MPH IN THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 25 MPH.
VENTILATION INDEX...1250 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....38 TO 43.
MAX HUMIDITY........45 TO 55 PERCENT.
WIND - EYE LEVEL....WEST 20 TO 24 MPH WITH GUSTS NEAR 28 MPH IN
                    THE EVENING...DECREASING TO 11 TO 15 MPH
                    WITH GUSTS NEAR 20 MPH AFTER MIDNIGHT.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......NORTH AROUND 5 MPH.
VENTILATION INDEX...25 POOR.

.MONDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....65 TO 70.
MIN HUMIDITY........15 TO 20 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 3 TO 7 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WIND......EAST AROUND 10 MPH.
VENTILATION INDEX...550 GOOD.

$$
FORECASTER...ALLEN
REQUESTED BY...JEFF BEDKE
TYPE OF REQUEST...WILDFIRE
.TAG 20090919.HIGHW.03/BOI