Alert archive / Oregon

Weather alerts in Multnomah County, Oregon

470 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Multnomah County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
470
Warnings
105
Watches
34
Advisories
215
Busiest year
2025103 alerts
Average year
15over 31 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Jun 11, 9:13 PM PDTExtreme Heat WarningPQR4 days
Apr 16, 10:45 AM PDTFreeze WarningPQR22 hr
Apr 13, 10:36 AM PDTWinter Storm WarningPQR66 hr
Mar 14, 7:31 AM PDTAreal Flood WarningPQR6 hr
Mar 12, 9:01 AM PDTRiver Flood WarningPQR45 hr
Mar 12, 8:02 AM PDTAreal Flood WarningPQR24 hr
Jan 5, 1:36 AM PSTWinter Storm WarningPQR4 days

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.