Alert archive / Colorado / Grand County / 2021
Weather alerts in Grand County, Colorado, August 2021
23 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
- 23
- Warnings
- 4
- Watches
- 4
- Advisories
- 13
- Busiest day
- August 13, 20216 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 2, 2:40 PM MDT | Areal Flood Advisory | BOU | 95 min |
| Aug 2, 3:38 PM MDT | Areal Flood Advisory | BOU | 82 min |
| Aug 2, 4:16 PM MDT | Areal Flood Advisory | BOU | 89 min |
| Aug 2, 5:08 PM MDT | Areal Flood Advisory | BOU | 82 min |
| Aug 2, 5:40 PM MDT | Areal Flood Advisory | BOU | 95 min |
| Aug 3, 3:41 AM MDT | Flash Flood Watch | BOU | 18 hr |
| Aug 3, 8:10 AM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 13, 1:20 PM MDT | Areal Flood Advisory | BOU | 85 min |
| Aug 13, 1:42 PM MDT | Areal Flood Advisory | BOU | 2 hr |
| Aug 13, 2:27 PM MDT | Flash Flood Warning | BOU | 2 hr |
| Aug 13, 3:36 PM MDT | Areal Flood Advisory | BOU | 69 min |
| Aug 13, 5:39 PM MDT | Flash Flood Warning | BOU | 2 hr |
| Aug 13, 5:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 6:10 PM MDT | Areal Flood Advisory | BOU | 99 min |
| Aug 15, 2:32 PM MDT | Areal Flood Advisory | BOU | 88 min |
| Aug 16, 4:06 PM MDT | Areal Flood Advisory | BOU | 18 min |
| Aug 16, 4:24 PM MDT | Flash Flood Warning | BOU | 111 min |
| Aug 16, 5:02 PM MDT | Areal Flood Advisory | BOU | 88 min |
| Aug 23, 1:05 PM MDT | Fire Weather Watch | BOU | 14 hr |
| Aug 23, 2:52 PM MDT | Fire Weather Watch | BOU | 37 hr |
| Aug 26, 9:00 PM MDT | Special Weather Statement | BOU | 30 min |
| Aug 28, 3:24 AM MDT | Red Flag Warning | BOU | 16 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 | |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 1 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 13 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 2 |
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.