FNUS75 KBOI 171855
FWSBOI

SPOT FORECAST FOR LAVA...BURNS BLM
NATIONAL WEATHER SERVICE BOISE ID
1255 PM MDT SAT AUG 17 2013

FORECAST IS BASED ON REQUEST TIME OF 1231 MDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...DRY COLD FRONT PASSAGE TODAY...

.DISCUSSION...

A DRY COLD FRONT WILL CAUSE THE WINDS TO SHIFT FROM THE SOUTHWEST TO
WEST TODAY THEN NORTH-NORTHWEST TONIGHT. NO SIGNIFICANT INCREASE IN
WINDS IS EXPECTED. CUMULUS BUILDUPS WILL BE NEAR THE FIRE THIS
AFTERNOON BUT THUNDERSTORMS WILL REMAIN WELL NORTHWEST OF THE FIRE.
COOLER TEMPERATURES TONIGHT AND SUNDAY WILL HELP WITH BETTER RH
RECOVERIES TONIGHT. WINDS WILL REMAIN FROM THE WEST-NORTHWEST ON
SUNDAY.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....86 TO 89.
MIN HUMIDITY........15 TO 25 PERCENT.
WIND - EYE LEVEL....SOUTHWEST UP TO 5 MPH...SHIFTING TO WEST 5 TO
                    9 MPH BY 100 PM PDT. GUSTS TO 15 MPH THIS
                    AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...1000 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....53 TO 58.
MAX HUMIDITY........65 TO 80 PERCENT.
WIND - EYE LEVEL....WEST AROUND 8 MPH WITH GUSTS TO 14 MPH THEN
                    SWITCHING TO THE NORTH-NORTHWEST AROUND 6 MPH
                    BY 800 PM PDT.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 5 MPH.
VENTILATION INDEX...35 POOR.

.SUNDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....88 TO 92.
MIN HUMIDITY........17 TO 27 PERCENT.
WIND - EYE LEVEL....WEST AROUND 5 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WIND......WEST AROUND 10 MPH.
VENTILATION INDEX...700 EXCELLENT.

$$
FORECASTER...SMITH
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20130817.LAVA_.01/BOI