FNUS75 KBOI 131919
FWSBOI

SPOT FORECAST FOR MANN CREEK 28 29 30...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
119 PM MDT TUE OCT 13 2009

FORECAST IS BASED ON IGNITION TIME OF 1320 MDT ON OCTOBER 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RAIN HEADED YOUR WAY SHORTLY...AND WILL LAST MOST OF THE NIGHT...

.DISCUSSION...
A LARGE AND STRONG UPPER LEVEL SYSTEM IS RAPIDLY APPROACHING THE
BURN SITE. RAINFALL AHEAD OF THE SYSTEM WILL ARRIVE AT THE SITE
BETWEEN 230 PM MDT AND 300 PM MDT. WINDS WILL INCREASE TO 10 TO
20 MPH BRIEFLY AS THE RAIN MOVES IN...THEN DECREASE WITHIN 30
MINUTES TO 5 TO 10 MPH. RAINFALL WILL LAST MOST OF THE NIGHT...
WITH TOTALS AROUND 0.75 INCHES BY 6 AM MDT. ANOTHER 0.10 TO 0.20
INCHES WILL FALL WEDNESDAY BETWEEN 6 AM AND ABOUT 6 PM MDT...MOSTLY
IN THE MORNING.

.TODAY...

SKY/WEATHER.........CLOUDY. RAIN LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....43 TO 48.
MIN HUMIDITY........54 TO 72 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 4 TO 7 MPH IN THE
                    MORNING...INCREASING TO 10 TO 15 MPH JUST BEFORE
                    THE RAIN STARTS...THEN DECREASING AGAIN.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......5500 FT AGL...DECREASING RAPIDLY AFTER THE RAIN STARTS.
TRANSPORT WIND......SOUTH AROUND 25 MPH.
VENTILATION INDEX...1375 EXCELLENT....BUT BECOMING POOR BY 3 PM MDT.

.TONIGHT...

SKY/WEATHER.........CLOUDY. WIDESPREAD RAIN.
MIN TEMPERATURE.....32 TO 42.
MAX HUMIDITY........93 TO 100 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 5 TO 15 MPH...HIGHER ON NEARBY RIDGES.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 25 MPH.
VENTILATION INDEX...150 POOR.

.WEDNESDAY...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS IN THE MORNING...DECREASING
                    IN THE AFTERNOON.
MAX TEMPERATURE.....52 TO 61.
MIN HUMIDITY........66 TO 88 PERCENT.
WIND - EYE LEVEL....SOUTH TO SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS
                    IN THE AFTERNOON.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WIND......SOUTH AROUND 20 MPH.
VENTILATION INDEX...400 FAIR.

$$
FORECASTER...S.PARKER
REQUESTED BY...ANN NICHOLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20091013.MANNC.01/BOI