FNUS75 KBOI 031558
FWSBOI

SPOT FORECAST FOR CASTRO...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
958 AM MDT SAT SEP 3 2011

FORECAST IS BASED ON REQUEST TIME OF 0940 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARM AND DRY CONDITIONS CONTINUED...
...TEMPERATURES MUCH ABOVE NORMAL MONDAY THROUGH THE WEEK...

.DISCUSSION...
AN UPPER LEVEL RIDGE OF HIGH PRESSURE IS FORECAST TO INTENSIFY OVER THE
NEXT COUPLE DAYS BRINGING VERY WARM AND DRY CONDITIONS TO THE FIRE. NO
SIGNIFICANT MOISTURE IS SEEN THROUGH SUNDAY...BUT LIMITED MID LEVEL
MOISTURE WILL SPREAD OVER THE AREA MONDAY AS A WEAK DISTURBANCE MOVES
UNDER THE UPPER RIDGE. THIS WILL BRING A SLIGHT CHANCE OF THUNDERSTORMS
BOTH MONDAY AND TUESDAY...WHILE OVERALL THE THE REGION STAYS WARM AND DRY.
LIGHT WINDS ARE EXPECTED THROUGH THE PERIOD WITH INCREASING AIR QUALITY
AND SMOKE DISPERSION PROBLEMS.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....63 TO 74.
MIN HUMIDITY........14 TO 19 PERCENT.
WIND - EYE LEVEL....EAST 2 TO 5 MPH IN THE MORNING...SHIFTING TO
                    THE WEST AROUND 4 MPH IN THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......WEST AROUND 5 MPH.
VENTILATION INDEX...300 FAIR.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....40 TO 47.
MAX HUMIDITY........40 TO 49 PERCENT.
WIND - EYE LEVEL....SOUTHWEST AROUND 4 MPH IN THE
                    EVENING...SHIFTING TO LIGHT EAST OR CALM AFTER
                    MIDNIGHT.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......SOUTHEAST LESS THAN 5 MPH.
VENTILATION INDEX...50 POOR.

.SUNDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....66 TO 78. LITTLE WARMER.
MIN HUMIDITY........13 TO 18 PERCENT. SLIGHTLY DRIER.
WIND - EYE LEVEL....EAST LESS THAN 5 MPH IN THE MORNING...SHIFTING
                    TO THE WEST IN THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...650 GOOD.

$$
FORECASTER...SKARI
REQUESTED BY...REX MILLER
TYPE OF REQUEST...WILDFIRE
.TAG 20110903.CASTR.01/BOI