Alert archive / Colorado / Weld County / 1999
Weather alerts in Weld County, Colorado, May 1999
15 weather alerts in May 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 15
- Warnings
- 12
- Watches
- 3
- Advisories
- 0
- Busiest day
- May 22, 19994 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 3, 4:45 AM MDT | Flash Flood Warning | BOU | 75 min |
| May 3, 11:05 AM MDT | Flash Flood Warning | BOU | 7 hr |
| May 5, 9:28 AM MDT | Flash Flood Warning | BOU | 6 hr |
| May 15, 8:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 22, 2:00 PM MDT | Tornado Watch | SPC | 7 hr |
| May 22, 3:23 PM MDT | Severe Thunderstorm Warning | BOU | 52 min |
| May 22, 3:53 PM MDT | Severe Thunderstorm Warning | BOU | 52 min |
| May 22, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| May 29, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| May 30, 2:35 PM MDT | Tornado Warning | BOU | 25 min |
| May 30, 3:00 PM MDT | Tornado Watch | SPC | 6 hr |
| May 31, 3:00 PM MDT | Tornado Watch | SPC | 6 hr |
| May 31, 3:04 PM MDT | Severe Thunderstorm Warning | BOU | 26 min |
| May 31, 3:24 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| May 31, 3:55 PM MDT | Severe Thunderstorm Warning | BOU | 50 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 | 8 |
| Tornado Warning | 1 |
| Tornado Watch | 3 |
| Flooding | |
| Flash Flood Warning | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.