Portland Radar tracked a Severe Thunderstorm through Clark County into Cowlitz County. The Portland Oregonian, Vancouver Columbian and KOIN TV reported uprooted trees falling on vehicles and trailer houses, downed power lines and localized flooding of Interstate 5 and Highway 99 in the Battleground area.
Every event with a place to put it; 2 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 PQR wrote it up.
Portland Radar tracked a Severe Thunderstorm through Clark County into Cowlitz County. The Portland Oregonian, Vancouver Columbian and KOIN TV reported uprooted trees falling on vehicles and trailer houses, downed power lines and localized flooding of Interstate 5 and Highway 99 in the Battleground area. Clark Public Utilities reported 2600 lost power. Five were injured, two seriously; one when a tree fell across the trailer house she was in and the other was struck by a limb of a falling tree.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Portland, OR wrote its last area forecast discussion before the first event at Jun 27, 8:00 AM PST, 0 minutes earlier.
NORTHWEST OREGON AND SOUTHWEST WASHINGTON FORECAST DISCUSSION NATIONAL WEATHER SERVICE PORTLAND OR 900 AM PDT WED JUN 27 2001 CONVECTIVE CELL MOVING NORTHWARD JUST SOUTHWEST OF PORTLAND AT THIS TIME. NO LIGHTNING INDICATED SO FAR...BUT OF CONCERN IS LINE OF SMALLER CONVECTION LEFT BEHIND RUNNING NORTH TO SOUTH ALONG THE WEST WILLAMETTE VALLEY. THIS MAY BE A FOCUS AREA LATER TODAY AS CONVECTION GETS GOING. FORECASTS ARE IN GOOD SHAPE...BUT WILL MAKE THE CHANGE TO A LITTLE MORE POSITIVE ON THE WORDING OF THUNDERSTORMS FROM CHANCE TO SCATTERED. DRY SLOT HAS MOVED INTO WESTERN OREGON. THIS SHOULD ALLOW FOR SOME BREAKS OF SUNSHINE...ENHANCING INSTABILITY. CAPE HIS HIGH AND LIFTED INDEX LOW. SOUTHERLY FLOW GETS REPLACED WITH MORE STABLE SOUTHWEST FLOW ALOFT TONIGHT AND THURSDAY. GALE DOWNGRADED TO SMALL CRAFT ADVISORY. STARMER AST 952 PDX +52 SLE 952 EUG 852 .KPDX...SMALL CRAFT ADVISORY COASTAL WATERS.
The Portland,OR radar (KRTX), 38 km away, was scanning. The volume nearest the first event began at 16:00 UTC.
2 thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2001Every state in 2001This day in weather historyWarnings in Washington, June 2001
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: 5251477, 5251478.