FNUS75 KBYZ 051203
FWSBYZ

SPOT FORECAST FOR POMPEYS PILLAR RX...BILLINGS DISPATCH CENTER
NATIONAL WEATHER SERVICE BILLINGS MT
603 AM MDT THU APR 5 2012

FORECAST IS BASED ON IGNITION TIME OF 1446 MDT ON APRIL 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A SPRING STORM SYSTEM WILL MOVE OVER THE BURN SITE BY THIS
AFTERNOON. EASTERLY...DOWN VALLEY...WINDS EARLY THIS MORNING WILL
RETURN TO UP CANYON BY AROUND 8 AM. EXPECT INCREASINGLY CLOUDY
CONDITIONS THROUGH THE DAY...AND INCREASING CHANCES FOR
PRECIPITATION THROUGH THE DAY...WITH BEST POTENTIAL OVERNIGHT AND
FRIDAY. TEMPERATURES WILL CLIMB TO AROUND 50 TODAY...WITH RH
VALUES FALLING TO AROUND 30 PERCENT. EXPECT PRECIPITATION TO
CHANGE TO SNOW LATE THIS EVENING...AS TEMPERATURES DROP TOWARD
THE 20S. SNOW IS EXPECTED TO CONTINUE THROUGH THE DAY FRIDAY.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
                    AFTERNOON.
CWR.................10 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....47-55.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........NORTH 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS AND
                    SNOW SHOWERS.
CWR.................19 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........76-81 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP CANYON WINDS 5 TO 15 MPH...BECOMING DOWN
                    CANYON BY AROUND MIDNIGHT
 RIDGETOP...........EAST 15 TO 25 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTHEAST 15 TO 25 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW
                    SHOWERS IN THE MORNING...THEN NUMEROUS RAIN
                    SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
CWR.................36 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....39-44.
MIN HUMIDITY........58-63 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP CANYON WINDS 5 TO 15 MPH BEGINNING AROUND 8AM.
 RIDGETOP...........NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......4200 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.

$$
FORECASTER...GILSTAD/RICHMOND
REQUESTED BY...MARK HEPPLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120404.POMPE.01/BYZ