FNUS75 KBOI 061901
FWSBOI

SPOT FORECAST FOR CASTRO...USFS
NATIONAL WEATHER SERVICE BOISE ID
101 PM MDT TUE SEP 6 2011

FORECAST IS BASED ON REQUEST TIME OF 1208 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON...
...HAINES CLOSE TO 5 TODAY...

.DISCUSSION...
WEAK UPPER TROUGH OVER CENTRAL IDAHO TODAY WITH HIGH BASED MOISTURE
FOR A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON. WARM AND DRY
ON WEDNESDAY.

MONDAYS WEATHER NEAR THE FIRE...CANYON CREEK RAWS AT 8500 FEET
REPORTED LIGHT 5 TO 15 MPH WINDS FROM THE NE IN THE MORNING SHIFTING
TO THE NORTH AROUND 6 PM. OTHER RAWS SITES IN ZONES 401...402 AND 403
REPORTED LIGHT NORTH-NORTHEAST WINDS. SATELLITE IMAGERY COULD NOT
DETECT A SMOKE PLUME FROM THE CASTRO FIRE MONDAY AFTERNOON BECAUSE
OF CLOUDS. BOISE SOUNDING AT 6 PM MDT MONDAY HAD ABOUT 10 MPH
NORTHWEST WINDS BETWEEN 9000 FEET AND 23000 FEET. THE SOUNDING
WIND DIRECTION LOOKS REALISTIC FOR THE FIRE AS CUMULUS CLOUDS
NEAR THE FIRE WERE SEEN MOVING EAST-SOUTHEAST IN THE EVENING.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF THUNDERSTORMS.
MAX TEMPERATURE.....68 TO 72.
MIN HUMIDITY........14 TO 19 PERCENT.
WIND - EYE LEVEL....EAST NORTHEAST AROUND 10 MPH WITH GUSTS TO 15 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......12500 FT AGL.
TRANSPORT WIND......NORTH AROUND 5 MPH.
VENTILATION INDEX...625 GOOD.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS
                    IN THE EVENING.
MIN TEMPERATURE.....50 TO 55.
MAX HUMIDITY........38 TO 50 PERCENT.
WIND - EYE LEVEL....NORTHEAST 5 TO 8 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......EAST AROUND 10 MPH.
VENTILATION INDEX...100 POOR.

$$
FORECASTER...SMITH
REQUESTED BY...MARTHA WILLIAMSON
TYPE OF REQUEST...WILDFIRE
.TAG 20110906.CASTR.01/BOI