640 
WWUS76 KPDT 280034
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
534 PM PDT TUE APR 27 2004

.A STRONG COLD FRONT MOVING SOUTH OUT OF CANADA WILL LEAD TO VERY
WINDY CONDITIONS THROUGH THIS EVENING.  THESE WINDS WILL CREATE AREAS
OF BLOWING DUST OCCASIONALLY REDUCING VISIBILITIES TO LESS THAN A
MILE. 

ORZ044-045-WAZ027>029-280700-
FOOTHILLS OF THE BLUE MOUNTAINS WA-
FOOTHILLS OF THE BLUE MOUNTAINS OR-LOWER COLUMBIA BASIN WA-
LOWER COLUMBIA BASIN OR-YAKIMA VALLEY WA-
INCLUDING THE CITIES OF...YAKIMA...WALLA WALLA...TOPPENISH...
SUNNYSIDE...RICHLAND...PROSSER...PASCO...KENNEWICK...GRANDVIEW...
DAYTON...CONNELL...PENDLETON...MILTON-FREEWATER...HERMISTON...
HEPPNER AND CONDON
534 PM PDT TUE APR 27 2004

...BLOWING DUST ADVISORY IN EFFECT UNTIL 12 AM PDT WEDNESDAY...

AREAS OF BLOWING DUST CAN BE EXPECTED THROUGH THIS EVENING REDUCING
VISIBILITIES TO LESS THAN A MILE AT TIMES.

A BLOWING DUST ADVISORY IS ISSUED WHEN VISIBILITIES ARE EXPECTED TO
BE LESS THAN ONE MILE BUT GREATHER THAN A QUARTER MILE. MOTORISTS ARE
URGED TO USE EXTREME CAUTION AND SLOW DOWN TO ADJUST FOR RAPIDLY
CHANGING VISIBILITIES.

$$