FNUS75 KBYZ 241646
FWSBYZ

SPOT FORECAST FOR PICKET PIN RX  UNIT 2...BILLINGS DISPATCH CENTER
NATIONAL WEATHER SERVICE BILLINGS MT
1046 AM MDT TUE APR 24 2012

FORECAST IS BASED ON IGNITION TIME OF 1035 MDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...COLD FRONT WITH SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING...

A WEAK COLD FRONT WILL APPROACH THE BURN SITE THIS AFTERNOON. RADAR
DID NOT SHOW ANY ACTIVITY AT THE MOMENT...BUT A FEW SHOWERS WERE NOTED
OVER IDAHO. STILL EXPECT SOME SHOWERS WITH POSSIBLE THUNDERSTORMS TO
DEVELOP BEFORE NOON MDT AHEAD OF THE COLD FRONT. SHOWERS AND THUNDERSTORMS
SHOULD INCREASE LATE THIS AFTERNOON AND EVENING AS THE COLD FRONT
MOVES THROUGH THE AREA. GUSTY WINDS WILL BE POSSIBLE WITH THE STORMS DUE
TO DRY LOW LEVELS. TEMPERATURES WILL REACH THE LOWER TO MID 70S AND
RELATIVE HUMIDITIES WILL BE IN THE LOWER TO MID 20S. UPSLOPE WINDS WILL
CONTINUE WITH OCCASIONAL GUSTS TO 20 MPH THROUGH THE AFTERNOON.
DISTURBANCES MOVING THROUGH THE UPPER RIDGE OVER THE AREA WILL KEEP
SCATTERED SHOWERS AND THUNDERSTORMS OVER THE AREA TONIGHT AND WEDNESDAY.
HIGH HUMIDITY RECOVERIES WILL OCCUR TONIGHT AND WINDS WILL TURN DOWNSLOPE
AND LIGHT. IT WILL BE COOLER ON WEDNESDAY WITH HIGHER HUMIDITIES AND
LIGHT UPSLOPE WINDS.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS LATE IN THE MORNING...THEN
                    SCATTERED THUNDERSTORMS IN THE AFTERNOON. SOME
                    THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
                    AFTERNOON.
CWR.................22 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....71-75.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE WINDS 5 TO 15 MPH WITH GUSTS TO 20 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......6450 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    EVENING...THEN SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS OVERNIGHT. SOME
                    THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
                    EVENING.
CWR.................32 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........90-95 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
 RIDGETOP...........WEST 5 TO 15 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE MORNING...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................39 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE WINDS 5 TO 10 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
 RIDGETOP...........WEST 5 TO 10 MPH.
MIXING HEIGHT.......7250 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.

$$
FORECASTER...ARTHUR
REQUESTED BY...STEPHANIE SUKO
TYPE OF REQUEST...PRESCRIBED
.TAG 20120424.PICKE.01/BYZ