FNUS76 KPDT 291325
FWSPDT

SPOT FORECAST FOR TOPPENISH BROADCAST...FWS
NATIONAL WEATHER SERVICE PENDLETON OR
630 AM PDT THU APR 29 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON APRIL 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A LARGE LOW PRESSURE SYSTEM OVER THE ROCKY MOUNTAINS
AND A HIGH PRESSURE SYSTEM OFF THE COAST WILL CREATE A STRONG
PRESSURE GRADIENT WITH GUSTY WINDS TODAY THROUGH FRIDAY EVENING OVER
THE BURN AREA. OTHERWISE CONDITIONS WILL GRADUALLY BECOME DRIER AND
STABLE WITH A SLOW WARMING TREND. SMOKE DISPERSION WILL BE FAIR TO
GOOD.

***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
***FORECAST IS VALID FOR 12 HOURS AFTER ISSUANCE***

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....63.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........W-NW 22-24 MPH.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 9000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 24-30 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MIN TEMPERATURE.....42-45.
MAX HUMIDITY........72-74 PERCENT.
WIND (20 FT)........DECREASING TO W-NW 7-14 MPH BY MIDNIGHT.
MIXING HEIGHT.......9000 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NW 18-22 MPH BECOMING W-NW 8-15 MPH AFTER
                    MIDNIGHT.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....66-68.
MIN HUMIDITY........24-26 PERCENT.
WIND (20 FT)........W-NW 7-13 MPH...INCREASING TO W-NW 18-22 MPH
                    IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 9000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 20-26 MPH.

$$

FORECASTER...ROGER CLOUTIER
REQUESTED BY...JACOB GEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20100429.TOPPE.01/PDT