Alert archive / Colorado / Boulder County / 2011
Weather alerts in Boulder County, Colorado, May 2011
11 weather alerts in May 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 11
- Warnings
- 3
- Watches
- 3
- Advisories
- 4
- Busiest day
- May 11, 20113 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 |
|---|---|---|---|
| May 8, 4:02 PM MDT | Red Flag Warning | BOU | 28 hr |
| May 10, 3:09 PM MDT | Winter Weather Advisory | BOU | 20 hr |
| May 11, 5:26 AM MDT | Flash Flood Watch | BOU | 10 hr |
| May 11, 10:46 AM MDT | Winter Storm Warning | BOU | 19 hr |
| May 11, 12:25 PM MDT | Areal Flood Advisory | BOU | 6 hr |
| May 18, 4:10 AM MDT | Flash Flood Watch | BOU | 16 hr |
| May 18, 4:43 AM MDT | Winter Storm Warning | BOU | 24 hr |
| May 18, 4:43 AM MDT | Winter Weather Advisory | BOU | 24 hr |
| May 20, 4:28 AM MDT | Winter Weather Advisory | BOU | 12 hr |
| May 23, 2:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| May 29, 3:35 PM MDT | High Wind Watch | BOU | 14 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 |
| Flooding | |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| High Wind Watch | 1 |
| Fire | |
| Red Flag Warning | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.