FNUS75 KBOI 211355
FWSBOI

SPOT FORECAST FOR HOODOO...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
755 AM MDT WED OCT 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON OCTOBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...DRY THROUGH FRIDAY WITH A CHANCE OF SHOWERS FRIDAY NIGHT...

.DISCUSSION...DRY CONDITIONS TODAY WITH LIGHT WINDS. MORNING INVERSION
WILL BREAK BETWEEN 10 AM AND NOON...AND REACHING THE MAXIMUM MIXING
HEIGHT AROUND 4 PM. VENTILATION CONDITIONS WILL IMPROVE EACH DAY THROUGH
FRIDAY. A LOW PRESSURE SYSTEM WILL MOVE THROUGH THE AREA FRIDAY NIGHT
WITH A CHANCE OF SHOWERS. COOLER AND DRY CONDITIONS FOR THE WEEKEND.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........42 TO 46 PERCENT.
WIND - EYE LEVEL....NORTHEAST AROUND 3 MPH IN THE
                    MORNING...SHIFTING TO THE SOUTHWEST 3 TO 6 MPH IN
                    THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WIND......SOUTH AROUND 10 MPH.
VENTILATION INDEX...250 FAIR.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....32 TO 37.
MAX HUMIDITY........89 TO 94 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 3 TO 6 MPH IN THE EVENING...SHIFTING
                    TO NORTHEAST AROUND 3 MPH BY MIDNIGHT.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 5 MPH.
VENTILATION INDEX...25 POOR.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....54 TO 60.
MIN HUMIDITY........41 TO 52 PERCENT.
WIND - EYE LEVEL....NORTHEAST AROUND 5 MPH IN THE
                    MORNING...SHIFTING TO THE WEST AROUND 8 MPH IN
                    THE AFTERNOON.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...350 FAIR.

$$
FORECASTER...GROENERT
REQUESTED BY...ALLYN SPANFELLNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20091021.HOODO.01/BOI