Alert archive / Colorado / Jefferson County / 2021
Weather alerts in Jefferson County, Colorado, August 2021
8 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 8
- Warnings
- 2
- Watches
- 2
- Advisories
- 3
- Busiest day
- August 3, 20212 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 1, 2:04 PM MDT | Flash Flood Watch | BOU | 32 hr |
| Aug 3, 3:41 AM MDT | Flash Flood Watch | BOU | 18 hr |
| Aug 3, 2:22 PM MDT | Areal Flood Advisory | BOU | 113 min |
| Aug 3, 9:07 PM MDT | Areal Flood Advisory | BOU | 83 min |
| Aug 13, 12:38 AM MDT | Areal Flood Advisory | BOU | 82 min |
| Aug 13, 5:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 2:24 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Aug 19, 2:39 PM MDT | Tornado Warning | BOU | 36 min |
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 | 1 |
| Tornado Warning | 1 |
| Mesoscale Discussion | 1 |
| Flooding | |
| Flash Flood Watch | 2 |
| 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. Rebuilt daily.