FNUS75 KPIH 291036
FWSPIH

SPOT FORECAST FOR HALSTEAD...US FOREST SERVICE
NATIONAL WEATHER SERVICE POCATELLO ID
436 AM MDT SAT SEP 29 2012

FORECAST IS BASED ON REQUEST TIME OF 1958 MDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE RIDGE WILL BUILD OVER THE FIRE AREA THIS
WEEKEND AND BRING DRY CONDITIONS THROUGH TUESDAY. AN UPPER LEVEL TROUGH
AND ASSOCIATED COLD FRONT WILL DIVE SOUTH OUT OF CANADA ON WEDNESDAY
AND BRING BREEZY CONDITIONS STARTING TUESDAY AND COLDER TEMPERATURES
LATER IN THE WEEK.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 65-76 VALLEYS AND 57-64 RIDGES.
RH..................MIN 19-29 PERCENT VALLEYS AND 23-33 PERCENT RIDGES.
WIND (20 FT)........VALLEYS...UPSLOPE/UPVALLEY 2 TO 5 MPH BECOMING SOUTH
                    5 TO 8 MPH LATE IN THE MORNING.
                    RIDGES...WEST 7 TO 10 MPH WITH GUSTS TO 20 MPH IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......1100-1300 FT AGL INCREASING TO 6100 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
HAINES INDEX........3.
LAL.................1.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN VALLEYS 28-33. RIDGES 34-40.
RH..................MAX 72-77 PERCENT. RIDGES 62-67 PERCENT
WIND (20 FT)........VALLEYS...SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
                    RIDGES...NORTHWEST 7 TO 10 MPH IN THE EVENING BECOMING WEST
                    AROUND 6 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......1000-1300 FT AGL.
TRANSPORT WINDS.....LIGHT AND VARIABLE.
HAINES INDEX........3.
LAL.................1.


$$
FORECASTER...HAZEN
REQUESTED BY...DAVID LEE
TYPE OF REQUEST...WILDFIRE
.TAG 20120928.HALST.01/PIH