AN AIRPORT WEATHER WARNING HAS BEEN ISSUED FOR THE TRI-CITIES
AIRPORT FROM 20Z THROUGH 23Z FOR THUNDERSTORMS WITH GUSTY WINDS,
SMALL HAIL AND OCCASIONAL CLOUD TO GROUND LIGHTNING. OUTFLOW WINDS
FROM THE STORMS COULD PRODUCE SOUTHERLY WIND GUSTS 20-40KT
BETWEEN 20-22Z.

...SIGNIFICANT WEATHER ADVISORY FOR UMATILLA...NORTHWESTERN UNION...
NORTHWESTERN WALLOWA...SOUTHERN WALLA WALLA AND SOUTHEASTERN COLUMBIA
COUNTIES UNTIL 130 PM PDT...

At 1235 PM PDT, Doppler radar was tracking an area of strong
thunderstorms over Umatilla County moving northeast at 40 mph.

Penny size hail and winds in excess of 45 mph will be possible with
these storms.

Locations impacted include...
Walla Walla, Pendleton, Meacham, College Place, Milton-Freewater,
Athena, Weston, Adams, Helix, Thorn Hollow, Tollgate, Kamela, Cayuse,
Holdman, Rieth, Umatilla Reservation, Touchet, Mission, Umapine and
Spout Springs.