FNUS75 KPIH 291107
FWSPIH

SPOT FORECAST FOR SAWMILL BURN...USFS
NATIONAL WEATHER SERVICE POCATELLO ID
507 AM MDT THU SEP 29 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE POSITIONED OVER THE GREAT
BASIN WILL PROVIDE WARM AND DRY CONDITIONS. A SURFACE HIGH BUILDING
SOUTH THROUGH MONTANA INTO WYOMING WILL PROMOTE LIGHT EAST WINDS
THIS MORNING WHILE AFTERNOON HEATING MAY ALLOW SOUTHWEST WINDS ALOFT
TO MIX DOWN INTO THE BURN SITE.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 76-80 AT 6600 FEET
                    MAX 74-79 AT 7300 FEET...NEAR 70 AT 1300 MDT.
                    MAX 65-69 AT 9000 FEET.
RH..................MIN 15-18 PERCENT BELOW 7300 FEET
                    MIN 22-27 PERCENT AT 9000 FEET.
WIND (20 FT)........UPSLOPE 2 TO 5 MPH BECOMING SOUTH-SOUTHWEST AROUND
                    8 MPH WITH GUSTS TO 18 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......5500-5700 FT AGL.
MIXING WINDS........SOUTH TO SOUTHWEST 8 TO 12 MPH.
HAINES INDEX........MAX 4.
LAL.................1.

.TONIGHT...

SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 50-56.
RH..................MAX 34-54 PERCENT.
WIND (20 FT)........DOWNSLOPE WINDS 6 TO 7 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......800-1300 FT AGL.
MIXING WINDS........SOUTH TO 10 MPH.
HAINES INDEX........4.
LAL.................1.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 77-81 AT 6600 FEET
                    MAX 75-80 AT 7300 FEET
                    MAX 66-70 AT 9000 FEET.
RH..................MIN 16-19 PERCENT BELOW 7300 FEET
                    MIN 23-28 PERCENT AT 9000 FEET.
WIND (20 FT)........SOUTH-SOUTHWEST WINDS 6 TO 10 MPH WITH GUSTS TO 20
                    MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......8300-9300 FT AGL.
MIXING WINDS........SOUTH TO SOUTHWEST 10 TO 15 MPH.
HAINES INDEX........4.
LAL.................1.

$$
FORECASTER...HUSTON
REQUESTED BY...STEVE CLEZIE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110929.SAWMI.01/PIH