Alert archive / Colorado / Jefferson County / 2023
Weather alerts in Jefferson County, Colorado, May 2023
19 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
- 19
- Warnings
- 8
- Watches
- 3
- Advisories
- 3
- Busiest day
- May 10, 20236 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 4, 3:11 PM MDT | Special Weather Statement | BOU | 49 min |
| May 8, 2:24 PM MDT | Red Flag Warning | BOU | 29 hr |
| May 10, 3:08 AM MDT | Flood Watch | BOU | 57 hr |
| May 10, 1:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 2:15 PM MDT | Tornado Warning | BOU | 30 min |
| May 10, 2:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 10, 2:56 PM MDT | Tornado Warning | BOU | 34 min |
| May 10, 3:30 PM MDT | Tornado Warning | BOU | 15 min |
| 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 11, 10:12 AM MDT | Areal Flood Advisory | BOU | 6 hr |
| May 15, 9:27 AM MDT | Areal Flood Advisory | BOU | 11 hr |
| May 25, 3:30 PM MDT | Special Weather Statement | BOU | 45 min |
| May 26, 11:56 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 1:33 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 1:44 PM MDT | Special Weather Statement | BOU | 46 min |
| May 26, 2:21 PM MDT | Severe Thunderstorm Warning | BOU | 39 min |
| May 31, 3:03 PM MDT | Severe Thunderstorm Warning | BOU | 42 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 | 3 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 3 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
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.