Alert archive / Washington / King County
Weather alerts in King County, Washington, 2021
38 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
King County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 38
- Warnings
- 20
- Watches
- 7
- Advisories
- 5
- Busiest month
- January10 alerts
- Busiest day
- January 12, 20214 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 1, 11:58 AM PST | Flood Watch | SEW | 50 hr |
| Jan 2, 8:48 PM PST | Areal Flood Warning | SEW | 56 min |
| Jan 2, 9:40 PM PST | Areal Flood Advisory | SEW | 2 hr |
| Jan 2, 11:41 PM PST | Areal Flood Advisory | SEW | 2 hr |
| Jan 10, 2:52 PM PST | Flood Watch | SEW | 4 days |
| Jan 12, 8:02 AM PST | Areal Flood Advisory | SEW | 7 hr |
| Jan 12, 1:42 PM PST | River Flood Warning | SEW | 34 hr |
| Jan 12, 1:42 PM PST | River Flood Warning | SEW | 31 hr |
| Jan 12, 1:42 PM PST | River Flood Warning | SEW | 42 hr |
| Jan 13, 6:27 AM PST | River Flood Warning | SEW | 41 hr |
| Feb 16, 6:13 PM PST | Special Weather Statement | SEW | 17 min |
| Feb 16, 6:31 PM PST | Special Weather Statement | SEW | 29 min |
| Feb 22, 8:57 AM PST | Flood Watch | SEW | 17 hr |
| Feb 22, 11:45 AM PST | River Flood Warning | SEW | 7 hr |
| Feb 22, 1:54 PM PST | River Flood Warning | SEW | 10 hr |
| Mar 7, 3:45 PM PST | Special Weather Statement | SEW | 30 min |
| Mar 28, 7:44 PM PDT | Special Weather Statement | SEW | 46 min |
| Mar 28, 8:30 PM PDT | Special Weather Statement | SEW | 30 min |
| Jun 27, 3:16 PM PDT | Red Flag Warning | SEW | 29 hr |
| Aug 3, 4:49 PM PDT | Severe Thunderstorm Warning | SEW | 26 min |
| Aug 3, 5:12 PM PDT | Severe Thunderstorm Warning | SEW | 33 min |
| Aug 11, 4:34 AM PDT | Fire Weather Watch | SEW | 9 hr |
| Aug 11, 1:52 PM PDT | Red Flag Warning | SEW | 56 hr |
| Oct 24, 3:05 PM PDT | Special Weather Statement | SEW | 25 min |
| Oct 26, 3:52 PM PDT | Flood Watch | SEW | 65 hr |
| Oct 28, 3:52 PM PDT | River Flood Warning | SEW | 12 hr |
| Oct 28, 5:23 PM PDT | River Flood Warning | SEW | 25 hr |
| Oct 28, 5:53 PM PDT | Areal Flood Advisory | SEW | 15 hr |
| Oct 28, 8:12 PM PDT | River Flood Warning | SEW | 33 hr |
| Nov 10, 12:56 PM PST | Flood Watch | SEW | 6 days |
| Nov 11, 3:56 PM PST | River Flood Warning | SEW | 38 hr |
| Nov 11, 4:04 PM PST | River Flood Warning | SEW | 37 hr |
| Nov 12, 6:38 AM PST | River Flood Warning | SEW | 45 hr |
| Nov 12, 1:23 PM PST | Areal Flood Advisory | SEW | 3 hr |
| Nov 14, 9:33 AM PST | River Flood Warning | SEW | 21 hr |
| Nov 14, 11:20 AM PST | River Flood Warning | SEW | 60 hr |
| Nov 24, 2:43 AM PST | Flood Watch | SEW | 5 days |
| Nov 28, 1:40 AM PST | River Flood Warning | SEW | 22 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 | |
| Severe Thunderstorm Warning | 2 |
| Special Weather Statement | 6 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 15 |
| Flood Watch | 6 |
| Areal Flood Advisory | 5 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.