FNUS75 KBYZ 221620
FWSBYZ

SPOT FORECAST FOR PETERSON FIRE...BLM
NATIONAL WEATHER SERVICE BILLINGS MT
1020 AM MDT WED JUL 22 2009

FORECAST IS BASED ON REQUEST TIME OF 0947 MDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...HOT AND DRY WITH BREEZY CONDITIONS THURSDAY...

A HIGH PRESSURE RIDGE BUILDING INTO THE REGION WILL RESULT IN
HIGH TEMPERATURES IN THE LOW TO MID 90S...AND MINIMUM HUMIDITIES
IN THE TEENS IN THE BURN AREA TODAY WITH SINGLE DIGITS ON
THURSDAY. WINDS WILL BE BELOW 10 MPH THROUGH THE DAY AND FAVOR
SOUTHERLY DIRECTION THROUGH THE AFTERNOON AND EVENING. WINDS ARE
EXPECTED TO SWITCH BACK TO SOUTHWEST BY THURSDAY MORNING AND
REMAIN LIGHT OVERNIGHT...BUT WILL INCREASE THROUGH THE MORNING
AND AFTERNOON THURSDAY...BECOMING NORTHWESTERLY AT 10 MPH WITH
GUSTS TO AROUND 20 MPH. A COLD FRONT IS EXPECTED INTO THE BURN
AREA LATE THURSDAY NIGHT...RESULTING IN A CHANCE FOR ISOLATED
THUNDERSTORMS BY EARLY FRIDAY MORNING.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....88-93.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTH 5 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....60-65.
MAX HUMIDITY........52-57 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTH 10 TO 20 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....91-96.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.

$$
FORECASTER...GILSTAD/RICHMOND
REQUESTED BY...NICKELLS
TYPE OF REQUEST...WILDFIRE
.TAG 20090722.PETER.01/BYZ