A fast moving cold front produced damaging wind as it moved through eastern Washington. At 1020 PM, the Tri-City Airport (at Pasco) had sustained wind of 39 mph with gusts to 45 mph.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PDT wrote it up.
A fast moving cold front produced damaging wind as it moved through eastern Washington. At 1020 PM, the Tri-City Airport (at Pasco) had sustained wind of 39 mph with gusts to 45 mph. At 1050 PM, the Walla Walla Airport recorded a wind gust of 60 mph. A barn was levelled a few miles southeast of Waitsburg. There were numerous reports of downed trees and damaged roofs from Walla Walla to Dayton. Close to 3400 customers were without power for about two hours. Some customers were without power until around 5 AM.
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 1999Every state in 1999This day in weather historyWarnings in Washington, March 1999
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5691400.