Flash Flood, Okanogan
- When
- June 11, 4:00 PM PST
- Where
- Okanogan County, Omak
- Coordinates
- 48.549, -119.741 (the zone’s center; the record gives no point)
FLOODING IN OMAK AND MUDSLIDES ON SR97 IN OMAK
Flash Flooding and Hail in Washington, June 11 to 30, 1997
5 hail, 2 flash flood, 1 lightning, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $2,000
- Crop damage
- $500,000
- Events
- 8
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 radar
The Spokane radar (KOTX), 184 km away, was scanning. The volume nearest the first event began at 19:48 UTC.
Event by event
5 hail, 2 flash flood, 1 lightning. Local standard time, as filed.
Flash Flood, Chelan
- When
- June 17, 4:35 PM PST
- Where
- Chelan County, Entiat
- Coordinates
- 47.869, -120.619 (the zone’s center; the record gives no point)
FLOODING AND MUDSLIDES ON SR97A IN ENTIAT
Hail, Chelan
- When
- June 21, 11:47 AM PST
- Where
- Chelan County, Chelan
- Measured
- 0.75 in hail
- Coordinates
- 47.830, -120.020
3/4 INCH HAIL
Hail, Chelan
- When
- June 21, 11:54 AM PST
- Where
- Chelan County, Chelan
- Measured
- 1 in hail
- Coordinates
- 47.830, -120.020
1 INCH HAIL
Hail, Chelan
- When
- June 21, 12:13 PM PST
- Where
- Chelan County, Chelan
- Measured
- 0.75 in hail
- Coordinates
- 47.830, -120.020
3/4 INCH HAIL IN CHELAN
Hail, Chelan
- When
- June 21, 12:15 PM PST
- Where
- Chelan County, Chelan
- Measured
- 1 in hail
- Coordinates
- 47.830, -120.020
1 INCH HAIL IN CHELAN
Hail, Chelan
- When
- June 21, 12:16 PM PST
- Where
- Chelan County, 10 mi N of Chelan
- Measured
- 0.75 in hail
- Crop damage
- $500,000
- Coordinates
- 47.980, -120.020
3/4 INCH HAIL TURNED GROUND WHITE. 500 ACRES OF APPLES AND CHERRIES DAMAGED
Lightning, Spokane
- When
- June 30, 4:00 PM PST
- Where
- Spokane County, Spokane
- Property damage
- $2,000
- Coordinates
- 47.621, -117.404 (the zone’s center; the record gives no point)
LIGHTNING CAUSED FIRE DAMAGED GARAGE
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Lightning
- A lightning strike that killed, injured or caused damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Texas, June 11, 1997
- Flash Flooding and Hail in Kansas, June 11 to 29, 1997
- Hail and Damaging Winds in Nebraska, June 11 to 22, 1997
- Tornadoes and Hail in Nebraska, June 11, 1997
- Tornado and Flash Flooding in Kansas, June 11 to 29, 1997
- Flash Flood and Hail in Texas, June 11, 1997
- Hail and Damaging Wind in Nebraska, June 11, 1997
- Hail and Damaging Winds in Kansas, June 11, 1997
- Hail and Damaging Wind in Kansas, June 11, 1997
- Hail and Damaging Winds in New Mexico, June 11, 1997
- Tornadoes and Hail in Texas, June 11, 1997
- Hail in Nevada, June 11, 1997
More
Every storm in Washington in 1997Every state in 1997This day in weather historyWarnings in Washington, June 1997
Sources
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: 5603033, 5603034, 5603038, 5603039, 5603035, 5603036, 5603037, 5603040.