Alert archive / Colorado / Boulder County / 2018
Weather alerts in Boulder County, Colorado, May 2018
19 weather alerts in May 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 19
- Warnings
- 3
- Watches
- 4
- Advisories
- 5
- Busiest day
- May 18, 20186 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, 3:40 AM MDT | Winter Storm Watch | BOU | 12 hr |
| May 1, 1:01 PM MDT | Mesoscale Discussion | SPC | 119 min |
| May 1, 3:49 PM MDT | Winter Storm Warning | BOU | 44 hr |
| May 2, 4:56 AM MDT | Winter Weather Advisory | BOU | 31 hr |
| May 11, 12:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 10:58 PM MDT | Dense Fog Advisory | BOU | 10 hr |
| May 13, 12:22 AM MDT | Dense Fog Advisory | BOU | 9 hr |
| May 13, 4:41 PM MDT | Special Weather Statement | BOU | 49 min |
| May 18, 3:48 AM MDT | Winter Storm Watch | BOU | 11 hr |
| May 18, 11:02 AM MDT | Flash Flood Watch | BOU | 30 hr |
| May 18, 2:29 PM MDT | Winter Weather Advisory | BOU | 13 hr |
| May 18, 3:06 PM MDT | Mesoscale Discussion | SPC | 114 min |
| May 18, 3:23 PM MDT | Areal Flood Advisory | BOU | 52 min |
| May 18, 4:08 PM MDT | Flash Flood Warning | BOU | 64 min |
| May 22, 4:56 PM MDT | Severe Thunderstorm Warning | BOU | 26 min |
| May 22, 5:37 PM MDT | Special Weather Statement | BOU | 38 min |
| May 27, 4:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 1:39 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 28, 2:01 PM MDT | Severe Thunderstorm Watch | SPC | 7 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 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 2 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.