Alert archive / Washington / Snohomish County / 2021
Weather alerts in Snohomish County, Washington, November 2021
19 weather alerts in November 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 19
- Warnings
- 11
- Watches
- 3
- Advisories
- 3
- Busiest day
- November 12, 20215 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 |
|---|---|---|---|
| Nov 9, 2:14 PM PST | Special Weather Statement | SEW | 46 min |
| Nov 9, 7:04 PM PST | Areal Flood Advisory | SEW | 3 hr |
| Nov 10, 12:56 PM PST | Flood Watch | SEW | 6 days |
| Nov 12, 3:39 AM PST | River Flood Warning | SEW | 22 hr |
| Nov 12, 3:39 AM PST | River Flood Warning | SEW | 24 hr |
| Nov 12, 1:23 PM PST | Areal Flood Advisory | SEW | 3 hr |
| Nov 12, 1:46 PM PST | River Flood Warning | SEW | 41 hr |
| Nov 12, 1:46 PM PST | River Flood Warning | SEW | 23 hr |
| Nov 12, 4:26 PM PST | Areal Flood Advisory | SEW | 3 hr |
| Nov 14, 3:22 AM PST | River Flood Warning | SEW | 47 hr |
| Nov 14, 11:02 AM PST | River Flood Warning | SEW | 57 hr |
| Nov 14, 11:02 AM PST | River Flood Warning | SEW | 62 hr |
| Nov 14, 11:57 PM PST | River Flood Warning | SEW | 26 hr |
| Nov 14, 11:59 PM PST | River Flood Warning | SEW | 7 hr |
| Nov 15, 12:18 PM PST | Special Weather Statement | SEW | 57 min |
| Nov 24, 2:43 AM PST | Flood Watch | SEW | 5 days |
| Nov 28, 1:36 AM PST | River Flood Warning | SEW | 11 hr |
| Nov 28, 7:36 PM PST | River Flood Warning | SEW | 11 hr |
| Nov 29, 3:29 PM PST | Flood Watch | SEW | 43 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 | |
| Special Weather Statement | 2 |
| Flooding | |
| River Flood Warning | 11 |
| Flood Watch | 3 |
| Areal Flood Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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. Warning verification from the Mesonet's Cow. Rebuilt daily.