Alert archive / Washington / Snohomish County
Weather alerts in Snohomish County, Washington, 2011
32 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Snohomish County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 32
- Warnings
- 20
- Watches
- 7
- Advisories
- 3
- Busiest month
- January13 alerts
- Busiest day
- January 16, 20117 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 11, 5:01 PM PST | Mesoscale Discussion | SPC | 4 hr |
| Jan 12, 5:48 AM PST | Areal Flood Advisory | SEW | 6 hr |
| Jan 13, 6:51 PM PST | Flood Watch | SEW | 4 days |
| Jan 16, 2:11 AM PST | River Flood Warning | SEW | 50 hr |
| Jan 16, 6:15 AM PST | River Flood Warning | SEW | 15 hr |
| Jan 16, 6:15 AM PST | River Flood Warning | SEW | 15 hr |
| Jan 16, 6:15 AM PST | River Flood Warning | SEW | 15 hr |
| Jan 16, 6:15 AM PST | River Flood Warning | SEW | 69 hr |
| Jan 16, 6:15 AM PST | River Flood Warning | SEW | 3 days |
| Jan 16, 6:23 AM PST | Areal Flood Warning | SEW | 12 hr |
| Jan 17, 3:30 AM PST | River Flood Warning | SEW | 18 hr |
| Jan 17, 7:24 AM PST | River Flood Warning | SEW | 9 hr |
| Jan 17, 12:47 PM PST | Areal Flood Warning | SEW | 20 hr |
| Feb 27, 5:02 PM PST | Mesoscale Discussion | SPC | 6 hr |
| Mar 14, 7:27 AM PDT | Areal Flood Advisory | SEW | 3 hr |
| Mar 29, 3:41 AM PDT | Flood Watch | SEW | 3 days |
| Mar 30, 1:32 PM PDT | River Flood Warning | SEW | 24 hr |
| Mar 30, 1:32 PM PDT | River Flood Warning | SEW | 32 hr |
| Mar 30, 2:23 PM PDT | River Flood Warning | SEW | 32 hr |
| Mar 30, 7:03 PM PDT | River Flood Warning | SEW | 33 hr |
| Mar 30, 7:03 PM PDT | River Flood Warning | SEW | 46 hr |
| Mar 30, 9:24 PM PDT | Areal Flood Warning | SEW | 12 hr |
| Mar 31, 9:29 AM PDT | Areal Flood Warning | SEW | 10 hr |
| Apr 2, 3:09 PM PDT | Flood Watch | SEW | 42 hr |
| Sep 5, 3:09 PM PDT | Fire Weather Watch | SEW | 37 hr |
| Sep 6, 3:17 PM PDT | Red Flag Warning | SEW | 33 hr |
| Nov 21, 4:39 AM PST | Flood Watch | SEW | 3 days |
| Nov 23, 2:35 AM PST | Areal Flood Advisory | SEW | 12 hr |
| Nov 23, 6:08 AM PST | River Flood Warning | SEW | 15 hr |
| Nov 23, 9:44 AM PST | River Flood Warning | SEW | 6 hr |
| Nov 25, 3:41 PM PST | Flood Watch | SEW | 60 hr |
| Dec 28, 3:11 PM PST | Flood Watch | SEW | 19 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 | |
| Mesoscale Discussion | 2 |
| Flooding | |
| Areal Flood Warning | 4 |
| River Flood Warning | 15 |
| Flood Watch | 6 |
| Areal Flood Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
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.