FNUS75 KBOI 082139
FWSBOI

SPOT FORECAST FOR MCCAN...SHOSHONE BLM
NATIONAL WEATHER SERVICE BOISE ID
339 PM MDT THU AUG 8 2013

FORECAST IS BASED ON REQUEST TIME OF 1526 MDT ON AUGUST 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT TONIGHT FOR SCATTERED LIGHTNING...
...HAINES 6 FOR LATE TOMORROW THROUGH SATURDAY...

.DISCUSSION...A CLOSED LOW PRESSURE SYSTEM OVER NORTHERN CALIFORNIA WILL CONTINUE
TO PRODUCE INSTABILITY AND MID LEVEL MOISTURE FOR THUNDERSTORMS WITH SCATTERED LIGHTNING
THAT WILL CONTINUE THROUGH THE NIGHT. ALTHOUGH THERE WILL BE ISOLATED THUNDERSTORMS TOMORROW
A DRY SLOT WILL BEGIN TO CUT OFF THE STRONG MOISTURE TAP BY TOMORROW MORNING. THE
DRYNESS AND LINGERING INSTABILITY WILL RESULT IN A HIGH HAINES OF 6 FOR LATE
TOMORROW THROUGH SATURDAY. SOUTHWEST FLOW WILL CONTINUE OVER THE AREA THE NEXT SEVERAL
DAYS BUT THE LOW PRESSURE CENTER WILL SLIDE NORTH TO THE WASHINGTON COAST FOR LESS
COVERAGE OF THUNDERSTORMS AND NEAR NORMAL TEMPERATURES THROUGH NEXT WEEK.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY WITH SCATTERED SHOWERS AND
                    THUNDERSTORMS. CHANCE OF PRECIPITATION 30
                    PERCENT.
MAX TEMPERATURE.....87 TO 90.
MIN HUMIDITY........13 TO 18 PERCENT.
WIND - EYE LEVEL....GUSTY AND ERRATIC NEAR THUNDERSTORMS. OTHERWISE UPSLOPE 4 TO 6 MPH WITH GUSTS T
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......13000 FT AGL.
TRANSPORT WIND......SOUTH TO SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...1300 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN PARTLY
                    CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS
                    AFTER MIDNIGHT. CHANCE OF PRECIPITATION 30
                    PERCENT.
MIN TEMPERATURE.....48 TO 53.
MAX HUMIDITY........70 TO 75 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE NORTHEAST AROUND 6 MPH AFTER 2000 HOURS.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WIND......EAST AROUND 10 MPH.
VENTILATION INDEX...90 POOR.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....82 TO 87.
MIN HUMIDITY........8 TO 13 PERCENT.
WIND - EYE LEVEL....SOUTH TO SOUTHWEST 6 TO 11 MPH WITH GUSTS 10 TO 15 MPH.
HAINES INDEX........5 MODERATE EARLY IN THE DAY BECOMING 6 HIGH BY LATE AFTERNOON.
MIXING HEIGHT.......11500 FT AGL.
TRANSPORT WIND......SOUTH AROUND 15 MPH.
VENTILATION INDEX...1725 EXCELLENT.

$$
FORECASTER...DECKER
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20130808.MCCAN.02/BOI