Alert archive / Oregon / Multnomah County / Flash Flood Warnings

Flash Flood Warnings in Multnomah County, Oregon, 2017

3 flash flood warnings in 2017. An alert counts here when it covered this county. The archive of flash flood warnings reaches back to 1986.

Multnomah County and its neighbors

Each county as a circle sized by its count in 2017. Tap one for its archive.

Flash Flood Warnings
3
Busiest month
September2 flash flood warnings
Busiest day
September 20, 20172 flash flood warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Sep 20, 4:28 AM PDTFlash Flood WarningPQR62 min
Sep 20, 2:04 PM PDTFlash Flood WarningPQR3 hr
Oct 21, 3:27 PM PDTFlash Flood WarningPQR20 hr

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20162018

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.