FNUS75 KBOI 231413
FWSBOI

SPOT FORECAST FOR FIRE SCHOOL BURN...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
813 AM MDT THU MAY 23 2013

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...COOL AND UNSETTLED THROUGH THE WEEKEND...

.DISCUSSION...
AN UPPER LEVEL LOW OVER THE PACIFIC NORTHWEST IS EXPECTED TO REMAIN
STATIONARY THROUGH SATURDAY AS WEAK EMBEDDED DISTURBANCES ROTATE AROUND
THE LOW ITSELF. THIS WILL BRING THE THREAT OF LIGHT SHOWERS TO THE BURN
AREA THIS EVENING AND ONCE AGAIN ON SATURDAY AS ANOTHER LOW ROTATES INTO
THE REGION. WINDS ARE EXPECTED TO REMAIN FAIRLY LIGHT TODAY THEN INCREASE
ON FRIDAY. DEWPOINTS ACROSS THE REGION REMAIN VERY LOW SO EVEN WITH THE COOL
TEMPERATURES...AFTERNOON RH VALUES WILL DROP IN THE TEENS TO LOW 20S.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....55 TO 60.
MIN HUMIDITY........15 TO 20 PERCENT.
WIND - EYE LEVEL....UPSLOPE AROUND 5 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...850 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN
                    PARTLY CLOUDY AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........60 TO 65 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE 1 TO 3 MPH AFTER SUNSET.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....61 TO 66.
MIN HUMIDITY........17 TO 22 PERCENT.
WIND - EYE LEVEL....UPSLOPE 2 TO 4 MPH IN THE MORNING BECOMING SOUTHWEST
                    5 TO 8 MPH WITH GUSTS TO 18 MPH BY THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......9500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1800 EXCELLENT.

$$
FORECASTER...REDMAN
REQUESTED BY...JARED PEAK
TYPE OF REQUEST...PRESCRIBED
.TAG 20130523.FIRES.01/BOI