Alert archive / Oregon / Umatilla County / 2011
Weather alerts in Umatilla County, Oregon, December 2011
6 weather alerts in December 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 6
- Warnings
- 0
- Watches
- 0
- Advisories
- 6
- Busiest day
- December 8, 20112 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Dec 1, 9:48 AM PST | Air Stagnation Advisory | PDT | 19 days |
| Dec 8, 6:55 AM PST | Freezing Fog Advisory | PDT | 6 hr |
| Dec 8, 12:54 PM PST | Freezing Fog Advisory | PDT | 48 hr |
| Dec 11, 5:59 AM PST | Freezing Fog Advisory | PDT | 7 hr |
| Dec 16, 11:40 PM PST | Freezing Fog Advisory | PDT | 31 hr |
| Dec 18, 11:51 PM PST | Freezing Fog Advisory | PDT | 34 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Fog and smoke | |
| Air Stagnation Advisory | 1 |
| Freezing Fog Advisory | 5 |
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.