Weather alerts in Snohomish County, Washington
683 weather alerts since 1986, 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 since 1986. Tap one for its archive.
- Alerts
- 683
- Warnings
- 362
- Watches
- 143
- Advisories
- 133
- Busiest year
- 202594 alerts
- Average year
- 23over 30 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
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 | 21 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 28 |
| Flash Flood Warning | 6 |
| River Flood Warning | 236 |
| Flash Flood Watch | 4 |
| Flood Watch | 92 |
| Areal Flood Advisory | 59 |
| River Flood Advisory | 1 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 20 |
| Heat | |
| Extreme Heat Warning | 1 |
| Heat Advisory | 10 |
| Cold | |
| Cold Weather Advisory | 3 |
| Frost Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 19 |
| Fire | |
| Red Flag Warning | 57 |
| Fire Weather Watch | 39 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
| Coast and beach | |
| Coastal Flood Advisory | 11 |
| Tsunami Advisory | 1 |
The latest warnings
The most recent on file, newest first.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 21, 1:02 PM PDT | Red Flag Warning | SEW | 31 hr |
| Aug 14, 2:25 AM PDT | Red Flag Warning | SEW | 19 hr |
| Aug 13, 3:38 AM PDT | Red Flag Warning | SEW | 17 hr |
| Aug 12, 12:08 PM PDT | Red Flag Warning | SEW | 11 hr |
| Jul 15, 12:14 PM PDT | Red Flag Warning | SEW | 32 hr |
| Apr 13, 10:56 AM PDT | Winter Storm Warning | SEW | 60 hr |
| Mar 20, 1:20 PM PDT | River Flood Warning | SEW | 8 hr |
| Mar 20, 6:34 AM PDT | River Flood Warning | SEW | 22 hr |
| Mar 20, 6:32 AM PDT | River Flood Warning | SEW | 15 hr |
| Mar 19, 8:11 PM PDT | River Flood Warning | SEW | 37 hr |
| Mar 19, 5:30 PM PDT | River Flood Warning | SEW | 64 hr |
| Mar 18, 12:45 PM PDT | River Flood Warning | SEW | 36 hr |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive
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.