Alert archive / Oregon / Clackamas County
Weather alerts in Clackamas County, Oregon, 2011
18 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clackamas County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 18
- Warnings
- 10
- Watches
- 0
- Advisories
- 5
- Busiest month
- January6 alerts
- Busiest day
- January 16, 20116 alerts
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 15, 6:44 PM PST | Areal Flood Advisory | PQR | 44 days |
| Jan 15, 9:14 PM PST | River Flood Warning | PQR | 5 days |
| Jan 15, 10:55 PM PST | River Flood Warning | PQR | 40 hr |
| Jan 15, 10:55 PM PST | River Flood Warning | PQR | 34 hr |
| Jan 16, 3:51 AM PST | River Flood Warning | PQR | 20 hr |
| Jan 16, 12:47 PM PST | Areal Flood Advisory | PQR | 10 hr |
| Feb 28, 1:56 PM PST | Mesoscale Discussion | SPC | 3 hr |
| Mar 15, 1:00 PM PDT | Mesoscale Discussion | SPC | 60 min |
| Mar 15, 2:06 PM PDT | Severe Thunderstorm Warning | PQR | 24 min |
| Mar 15, 2:27 PM PDT | Severe Thunderstorm Warning | PQR | 33 min |
| May 31, 7:45 PM PDT | Areal Flood Advisory | PQR | 103 min |
| Jul 19, 2:00 AM PDT | Areal Flood Advisory | PQR | 2 hr |
| Aug 24, 3:28 PM PDT | Mesoscale Discussion | SPC | 77 min |
| Aug 26, 3:28 AM PDT | Severe Thunderstorm Warning | PQR | 32 min |
| Aug 26, 3:57 AM PDT | Severe Thunderstorm Warning | PQR | 48 min |
| Aug 26, 4:23 AM PDT | Severe Thunderstorm Warning | PQR | 22 min |
| Nov 22, 10:35 AM PST | Areal Flood Advisory | PQR | 6 hr |
| Dec 30, 7:45 AM PST | River Flood Warning | PQR | 12 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 5 |
| Mesoscale Discussion | 3 |
| Flooding | |
| River Flood Warning | 5 |
| Areal Flood Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.