FNUS75 KBOI 072244
FWSBOI

SPOT FORECAST FOR THUNDER CITY FIRE...USFS
NATIONAL WEATHER SERVICE BOISE ID
444 PM MDT WED AUG 7 2013

FORECAST IS BASED ON REQUEST TIME OF 1600 MDT ON AUGUST 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO 6 AM MDT
FRIDAY...

.DISCUSSION...
THUNDERSTORMS ARE EXPECTED TO REMAIN SOUTH OF THE THUNDER CITY
FIRE TODAY. DEBRIS CLOUDS WILL CROSS THE FIRE TONIGHT FOR PARTLY
CLOUDY SKIES. AN UPPER LOW TO THE WEST WILL BRING AN INCREASE IN
WINDS FROM THE EAST AND SOUTH AS WELL AS DRAW MOISTURE NORTH
ACROSS THE PAYETTE FOREST THURSDAY. THERE IS A BETTER CHANCE OF
SHOWERS AND THUNDERSTORMS BY LATE THURSDAY AFTERNOON SO A RED FLAG
WARNING IS IN PLACE FOR LATE THURSDAY THROUGH FRIDAY MORNING. THE
UPPER LOW WILL GRADUALLY SHIFT NORTH ALONG THE PACIFIC NORTHWEST
COAST FOR A SLIGHT CHANCE OF THUNDERSTORMS FRIDAY AND SATURDAY.
GUSTY AND ERRATIC WINDS WILL ACCOMPANY THE STORMS.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR UNTIL 9 PM THEN PARTLY CLOUDY.
MIN TEMPERATURE.....51 TO 53.
MAX HUMIDITY........36 TO 42 PERCENT.
WIND - EYE LEVEL....WEST 2 TO 4 MPH WITH GUSTS UP TO 12 MPH UNTIL 9 PM
                    THEN DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH. RIDGETOP WINDS
                    SOUTHWEST 4 TO 8 MPH WITH GUSTS TO 14 MPH THIS EVENING
                    BECOMING LIGHT LESS THAN 8 MPH AFTER MIDNIGHT.
HAINES INDEX........5 MODERATE.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 10 MPH.
VENTILATION INDEX...60 POOR.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY IN THE MORNING...THEN MOSTLY
                    CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....68 TO 71.
MIN HUMIDITY........18 TO 23 PERCENT.
WIND - EYE LEVEL....UPSLOPE/UPVALLEY 2 TO 4 MPH IN THE MORNING THEN
                    NORTHEAST 3 TO 6 MPH BY NOON. GUSTS TO 18 MPH
                    THURSDAY AFTERNOON.
HAINES INDEX........5 MODERATE.
LAL.................3.
CWR /0.10 INCH/.....5 PERCENT.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......EAST AROUND 10 MPH.
VENTILATION INDEX...850 EXCELLENT.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....52 TO 57.
MAX HUMIDITY........48 TO 52 PERCENT...IF RAIN THEN 75 PERCENT.
WIND - EYE LEVEL....EAST 4 TO 7 WITH GUSTS AROUND 12 MPH EXCEPT
                    RIDGES WINDS SOUTHEAST 8 TO 13 MPH WITH
                    GUSTS TO 22 MPH.
HAINES INDEX........4 LOW.
LAL.................4.
CWR /0.10 INCH/.....10 PERCENT.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......EAST AROUND 15 MPH.
VENTILATION INDEX...150 POOR.

$$
FORECASTER...MILLS
REQUESTED BY...CHRIS CHURCH
TYPE OF REQUEST...WILDFIRE
.TAG 20130807.THUND.01/BOI