Alert archive / Colorado / Boulder County / 2023
Weather alerts in Boulder County, Colorado, May 2023
21 weather alerts in May 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 21
- Warnings
- 9
- Watches
- 3
- Advisories
- 3
- Busiest day
- May 10, 20238 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 9, 10:22 PM MDT | Special Weather Statement | BOU | 38 min |
| May 9, 10:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 9, 10:57 PM MDT | Severe Thunderstorm Warning | BOU | 63 min |
| May 9, 11:11 PM MDT | Severe Thunderstorm Warning | BOU | 64 min |
| May 9, 11:24 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| May 10, 12:17 AM MDT | Mesoscale Discussion | SPC | 58 min |
| May 10, 3:08 AM MDT | Flood Watch | BOU | 57 hr |
| May 10, 1:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 8:35 PM MDT | Winter Weather Advisory | BOU | 6 hr |
| May 10, 9:02 PM MDT | Winter Storm Watch | BOU | 5 hr |
| May 11, 2:09 AM MDT | Winter Storm Warning | BOU | 32 hr |
| May 18, 3:35 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| May 18, 3:57 PM MDT | Flash Flood Warning | BOU | 84 min |
| May 26, 11:56 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 12:08 PM MDT | Special Weather Statement | BOU | 52 min |
| May 26, 1:33 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 2:40 PM MDT | Severe Thunderstorm Warning | BOU | 22 min |
| May 28, 2:42 PM MDT | Special Weather Statement | BOU | 33 min |
| May 31, 3:03 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| May 31, 3:40 PM MDT | Severe Thunderstorm Warning | BOU | 50 min |
| May 31, 4:04 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.