FNUS75 KBOI 012231
FWSBOI

SPOT FORECAST FOR THUNDER CITY FIRE...USFS
NATIONAL WEATHER SERVICE BOISE ID
431 PM MDT THU AUG 1 2013

FORECAST IS BASED ON REQUEST TIME OF 1556 MDT ON AUGUST 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.DISCUSSION...
SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER THE WEST CENTRAL
MOUNTAINS THROUGH AROUND MIDNIGHT. THE THUNDERSTORMS WILL PRODUCE BRIEF
HEAVY RAIN AND POSSIBLY GUSTY WINDS TO 35 MPH AND SMALL HAIL. ACTIVITY
QUICKLY DIMINISHES AFTER MIDNIGHT WITH ONLY A SLIGHT CHANCE OF SHOWERS.
SCATTERED CUMULUS BUILD-UPS WILL DEVELOP AGAIN ON FRIDAY AFTERNOON WITH
A SLIGHT CHANCE OF A SHOWER OR THUNDERSTORM AT THE BURN AREA...BUT MOST
LIKELY THAT ACTIVITY WILL REMAIN NORTH OF THE BURN. WEST WINDS WILL
DEVELOP IN THE AFTERNOON. FRIDAY NIGHT IS DRY AND COOL.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND THUNDERSTORMS
                    IN THE EVENING...THEN DECREASING CLOUDS WITH
                    ISOLATED SHOWERS AFTER MIDNIGHT. SOME
                    THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL
                    HAIL IN THE EVENING. CHANCE OF PRECIPITATION BEFORE
                    MIDNIGHT IS 80 PERCENT...AFTER MIDNIGHT 20 PERCENT.
MIN TEMPERATURE.....43 TO 48.
MAX HUMIDITY........81 TO 90 PERCENT.
WIND - EYE LEVEL....WEST AROUND 5 MPH GUSTS UP TO 16 MPH IN THE
                    EVENING. HIGHER GUSTS TO 35 MPH NEAR THUNDERSTORMS.
                    WINDS BECOMING DOWNSLOPE 2 TO 4 MPH AFTER MIDNIGHT.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......WEST AROUND 5 MPH.
VENTILATION INDEX...25 POOR.
LAL.................4 BEFORE MIDNIGHT...3 AFTER MIDNIGHT.
CWR.................50 PERCENT

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF
                    AFTERNOON SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....56 TO 61.
MIN HUMIDITY........25 TO 30 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE 2 TO 4 MPH IN THE MORNING BECOMING WEST
                    3 TO 6 MPH BY AFTERNOON. GUSTS UP TO 14 MPH IN THE
                    AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WIND......WEST AROUND 15 MPH.
VENTILATION INDEX...1500 EXCELLENT.
LAL.................1 BEFORE NOON...3 AFTER NOON.
CWR.................10 PERCENT.

.FRIDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....44 TO 48.
MAX HUMIDITY........60 TO 65 PERCENT.
WIND - EYE LEVEL....WEST 3 TO 6 MPH. GUSTS UP TO 14 MPH IN THE
                    AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WIND......EAST AROUND 5 MPH.
VENTILATION INDEX...40 POOR.
LAL.................3 BEFORE MIDNIGHT...1 AFTER MIDNIGHT.
CWR.................0 PERCENT.



$$
FORECASTER...GROENERT
REQUESTED BY...CHRIS CHURCH
TYPE OF REQUEST...WILDFIRE
.TAG 20130801.THUND.01/BOI