Hail, Clackamas
- When
- May 17, 4:00 PM PST to 4:30 PM PST
- Where
- Clackamas County, Oregon City
- Measured
- 0.75 in hail
- Coordinates
- 45.350, -122.600
An upper level disturbance and cold unstable airmass resulted in thunderstorms across Northern Oregon on the afternoon and evening of May 17. A thunderstorm produced 3/4 inch hail at Oregon City.
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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.
An upper level disturbance and cold unstable airmass resulted in thunderstorms across Northern Oregon on the afternoon and evening of May 17. A thunderstorm produced 3/4 inch hail at Oregon City.
The Portland,OR radar (KRTX), 50 km away, was scanning. The volume nearest the first event began at 00:04 UTC.
1 hail. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 1996Every state in 1996This day in weather historyWarnings in Oregon, May 1996
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: 5556964.