Washington, 1998

Flash Flooding and Hail in Washington, June 5 to 28, 1998

June 5 to 28, 1998 · NWS OTX · 6 events in 4 counties and zones

3 flash flood, 2 heavy rain, 1 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 5 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

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The toll

Deaths
0
Injuries
0
Property damage
$505,000
Crop damage
None recorded
Events
6

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 Seattle radar (KATX), 144 km away, was scanning. The volume nearest the first event began at 04:07 UTC.

Open the radar archive at this moment

Event by event

3 flash flood, 2 heavy rain, 1 hail. Local standard time, as filed.

Heavy Rain, Chelan

When
June 5, 5:01 PM PST to 6:01 PM PST
Where
Chelan County, Plain
Reported by
TRAINED SPOTTER
Coordinates
47.869, -120.619 (the zone’s center; the record gives no point)

1.05 inches of rain in 1 hour and 1/4 inch hail

Flash Flood, Whitman

When
June 7, 11:30 AM PST to 2:30 PM PST
Where
Whitman County, 10 mi S of Hay
Property damage
$500,000
Reported by
NEWSPAPER
Coordinates
46.901, -117.523 (the zone’s center; the record gives no point)

flash flood damaged 2 buildings and washed away farm machinery

Flash Flood, Okanogan

When
June 10, 12:05 PM PST to 12:20 PM PST
Where
Okanogan County, 8 mi E of Chesaw
Reported by
TRAINED SPOTTER
Coordinates
48.549, -119.741 (the zone’s center; the record gives no point)

1.4 inches of rain in 15 minutes. Some flooding in Torado Creek

Hail, Whitman

When
June 12, 8:05 PM PST
Where
Whitman County, St John
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
47.100, -117.570

3/4 inch hail from spotter

Flash Flood, Ferry

When
June 28, 1:10 PM PST
Where
Ferry County, Republic
Property damage
$5,000
Reported by
LAW ENFORCEMENT
Coordinates
48.470, -118.516 (the zone’s center; the record gives no point)

heavy rain flooded basement of library

Heavy Rain, Okanogan

When
June 28, 2:26 PM PST
Where
Okanogan County, Oroville
Reported by
TRAINED SPOTTER
Coordinates
48.549, -119.741 (the zone’s center; the record gives no point)

1 inch of rain in less than 1 hour

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Washington in 1998Every state in 1998This day in weather historyWarnings in Washington, June 1998

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: 5647762, 5647763, 5647764, 5647765, 5647922, 5647921.