FNUS75 KBYZ 311700
FWSBYZ

SPOT FORECAST FOR CHIP...B.I.A. CROWFORESTRY
NATIONAL WEATHER SERVICE BILLINGS MT
1100 AM MDT SAT JUL 31 2010

FORECAST IS BASED ON REQUEST TIME OF 1045 MDT ON JULY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HOT AND DRY CONDITIONS EXPECTED UNTIL LATE THIS AFTERNOON. A
DISTURBANCE WILL BRING SCATTERED THUNDERSTORMS LATE THIS
AFTERNOON THROUGH TONIGHT...ALONG WITH A COLD FRONT AND WIND
SHIFT SUNDAY. STORMS TODAY AND TONIGHT WILL LIKELY PRODUCE VERY
STRONG WIND GUSTS...ALONG WITH POTENTIALLY LARGE HAIL. STORMS
WILL BE WET BUT WILL BE FREQUENT LIGHTNING PRODUCERS. RELATIVE
HUMIDITIES WILL BE IN THE LOWER 20S THIS AFTERNOON WITH HIGH
TEMPERATURE AROUND 100 DEGREES. COLD FRONT WILL MOVE THROUGH
SUNDAY MORNING BRINGING SLIGHTLY COOLER TEMPERATURES AND HIGHER RH
VALUES. WINDS SUNDAY WILL BE STRONGER OUT OF THE NORTHWEST.
CHAMBERS

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SCATTERED THUNDERSTORMS IN THE
                    AFTERNOON. SOME THUNDERSTORMS MAY BE SEVERE.
CWR.................25 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....95-100.
MIN HUMIDITY........18-24 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTH WINDS 5 TO 10 MPH BECOMING EAST IN THE
                    AFTERNOON. ERRATIC WINDS WITH GUSTS TO 60 MPH
                    EXPECTED NEAR THUNDERSTORMS.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    EVENING...THEN ISOLATED SHOWERS AND
                    THUNDERSTORMS OVERNIGHT. SOME THUNDERSTORMS MAY
                    BE SEVERE IN THE EVENING.
CWR.................25 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....62-67.
MAX HUMIDITY........58-64 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....EAST WINDS 5 TO 10 MPH IN THE EVENING SHIFTING TO
                    THE WEST OVERNIGHT. ERRATIC WINDS WITH GUSTS TO 60
                    MPH EXPECTED NEAR THUNDERSTORMS IN THE EVENING.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................20 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....89-94.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTHWEST WINDS 10 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.

$$
FORECASTER...CHAMBERS
REQUESTED BY...BRYCE ROGERS
TYPE OF REQUEST...WILDFIRE
.TAG 20100731.CHIP_.01/BYZ