By 9:45 a.m. it had reached Yakima, Washington, 90 miles (140 km) away, and by 11:45 a.m. it was over Spokane, Washington.
Pada pukul 9:45 pagi, abu telah mencapai kota Yakima, Washington, sejauh 140 kilometer, dan pada pukul 11:45 pagi telah mencapai Spokane, Washington.