Alert archive / Washington / Walla Walla County / 2020
Weather alerts in Walla Walla County, Washington, December 2020
16 weather alerts in December 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 16
- Warnings
- 2
- Watches
- 0
- Advisories
- 14
- Busiest day
- December 12, 20202 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 |
|---|---|---|---|
| Dec 1, 2:20 PM PST | Air Stagnation Advisory | PDT | 7 days |
| Dec 3, 5:17 AM PST | Freezing Fog Advisory | PDT | 9 hr |
| Dec 4, 1:05 PM PST | Freezing Fog Advisory | PDT | 36 hr |
| Dec 7, 2:41 AM PST | Freezing Fog Advisory | PDT | 31 hr |
| Dec 8, 7:08 PM PST | Dense Fog Advisory | PDT | 9 hr |
| Dec 10, 5:10 AM PST | Freezing Fog Advisory | PDT | 7 hr |
| Dec 12, 2:51 AM PST | Winter Weather Advisory | PDT | 49 hr |
| Dec 12, 2:13 PM PST | Winter Storm Warning | PDT | 38 hr |
| Dec 13, 6:34 PM PST | Freezing Fog Advisory | PDT | 12 hr |
| Dec 16, 2:43 AM PST | Winter Weather Advisory | PDT | 43 hr |
| Dec 21, 1:59 AM PST | Wind Advisory | PDT | 26 hr |
| Dec 24, 7:24 PM PST | Freezing Fog Advisory | PDT | 17 hr |
| Dec 25, 8:33 PM PST | Freezing Fog Advisory | PDT | 13 hr |
| Dec 27, 2:26 PM PST | Freezing Fog Advisory | PDT | 23 hr |
| Dec 29, 3:35 AM PST | Winter Weather Advisory | PDT | 54 hr |
| Dec 30, 2:53 AM PST | Winter Storm Warning | PDT | 36 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Winter | |
| Winter Storm Warning | 2 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Air Stagnation Advisory | 1 |
| Dense Fog Advisory | 1 |
| Freezing Fog Advisory | 8 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.