Alert archive / Colorado / Jefferson County / 2015
Weather alerts in Jefferson County, Colorado, May 2015
21 weather alerts in May 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 21
- Warnings
- 5
- Watches
- 7
- Advisories
- 6
- Busiest day
- May 9, 20154 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 1, 12:31 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 3:12 PM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| May 5, 4:21 AM MDT | Flash Flood Watch | BOU | 13 hr |
| May 7, 2:39 PM MDT | Winter Storm Watch | BOU | 39 hr |
| May 8, 11:08 AM MDT | Areal Flood Advisory | BOU | 60 hr |
| May 8, 1:13 PM MDT | Special Weather Statement | BOU | 47 min |
| May 8, 2:16 PM MDT | Areal Flood Advisory | BOU | 89 min |
| May 9, 5:10 AM MDT | Flash Flood Watch | BOU | 15 hr |
| May 9, 5:15 AM MDT | Winter Storm Warning | BOU | 25 hr |
| May 9, 8:50 AM MDT | Areal Flood Warning | BOU | 12 hr |
| May 9, 9:09 AM MDT | Winter Storm Watch | BOU | 4 hr |
| May 10, 5:26 AM MDT | Frost Advisory | BOU | 26 hr |
| May 10, 5:56 AM MDT | Winter Storm Warning | BOU | 3 hr |
| May 16, 1:56 PM MDT | Special Weather Statement | BOU | 49 min |
| May 16, 2:04 PM MDT | Areal Flood Advisory | BOU | 116 min |
| May 17, 3:02 PM MDT | Winter Storm Watch | BOU | 20 hr |
| May 18, 10:34 AM MDT | Winter Storm Warning | BOU | 31 hr |
| May 18, 5:41 PM MDT | Flash Flood Watch | BOU | 10 hr |
| May 21, 4:40 AM MDT | Winter Weather Advisory | BOU | 25 hr |
| May 23, 12:54 PM MDT | Tornado Watch | SPC | 6 hr |
| May 23, 1:38 PM MDT | Areal Flood Advisory | BOU | 2 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 | |
| Severe Thunderstorm Warning | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 2 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 1 |
| Cold | |
| Frost Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.