Alert archive / Washington / Snohomish County
Weather alerts in Snohomish County, Washington, 2017
31 weather alerts in 2017, 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 2017. Tap one for its archive.
- Alerts
- 31
- Warnings
- 17
- Watches
- 10
- Advisories
- 4
- Busiest month
- November10 alerts
- Busiest day
- November 22, 20176 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 17, 4:15 PM PST | Areal Flood Advisory | SEW | 18 hr |
| Feb 8, 3:58 AM PST | Flood Watch | SEW | 49 hr |
| Feb 9, 12:54 PM PST | Areal Flood Advisory | SEW | 4 hr |
| Feb 14, 10:48 AM PST | Flood Watch | SEW | 51 hr |
| May 4, 6:04 PM PDT | Areal Flood Warning | SEW | 3 hr |
| May 5, 3:48 AM PDT | Areal Flood Advisory | SEW | 87 min |
| Jul 30, 3:14 PM PDT | Fire Weather Watch | SEW | 24 hr |
| Jul 31, 3:00 PM PDT | Red Flag Warning | SEW | 4 days |
| Aug 3, 3:05 PM PDT | Fire Weather Watch | SEW | 7 hr |
| Aug 25, 2:26 PM PDT | Fire Weather Watch | SEW | 25 hr |
| Aug 26, 3:00 PM PDT | Red Flag Warning | SEW | 3 days |
| Sep 2, 1:45 PM PDT | Fire Weather Watch | SEW | 23 hr |
| Sep 3, 12:58 PM PDT | Red Flag Warning | SEW | 55 hr |
| Oct 17, 4:24 AM PDT | Flood Watch | SEW | 52 hr |
| Oct 19, 3:58 PM PDT | Flood Watch | SEW | 3 days |
| Oct 21, 10:10 PM PDT | River Flood Warning | SEW | 27 hr |
| Oct 21, 11:56 PM PDT | River Flood Warning | SEW | 14 hr |
| Oct 22, 2:25 AM PDT | River Flood Warning | SEW | 22 hr |
| Oct 22, 9:39 AM PDT | River Flood Warning | SEW | 31 hr |
| Oct 22, 9:39 AM PDT | River Flood Warning | SEW | 45 hr |
| Nov 13, 3:19 PM PST | Areal Flood Advisory | SEW | 3 hr |
| Nov 20, 2:22 PM PST | Flood Watch | SEW | 4 days |
| Nov 21, 10:54 PM PST | River Flood Warning | SEW | 54 hr |
| Nov 21, 11:33 PM PST | River Flood Warning | SEW | 17 hr |
| Nov 21, 11:33 PM PST | River Flood Warning | SEW | 39 hr |
| Nov 22, 3:17 AM PST | River Flood Warning | SEW | 14 hr |
| Nov 22, 5:44 AM PST | River Flood Warning | SEW | 57 hr |
| Nov 22, 5:44 AM PST | River Flood Warning | SEW | 65 hr |
| Nov 23, 3:46 AM PST | River Flood Warning | SEW | 15 hr |
| Nov 23, 3:46 AM PST | River Flood Warning | SEW | 19 hr |
| Dec 28, 10:12 AM PST | Flood Watch | SEW | 49 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 13 |
| Flood Watch | 6 |
| Areal Flood Advisory | 4 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 4 |
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.