Alert archive / Colorado / Arapahoe County
Weather alerts in Arapahoe County, Colorado, 1999
39 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Arapahoe County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 39
- Warnings
- 24
- Watches
- 15
- Advisories
- 0
- Busiest month
- June17 alerts
- Busiest day
- June 11, 19995 alerts
Over time
By month
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 22, 2:00 PM MDT | Tornado Watch | SPC | 7 hr |
| May 22, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| May 22, 6:30 PM MDT | Severe Thunderstorm Warning | BOU | 45 min |
| May 24, 1:30 PM MDT | Tornado Warning | BOU | 15 min |
| May 29, 2:04 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| May 30, 3:00 PM MDT | Tornado Watch | SPC | 6 hr |
| May 31, 3:00 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 2, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jun 10, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 10, 5:27 PM MDT | Tornado Warning | BOU | 33 min |
| Jun 10, 6:00 PM MDT | Tornado Warning | BOU | 30 min |
| Jun 10, 7:15 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 1:15 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 11, 2:26 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| Jun 11, 2:54 PM MDT | Severe Thunderstorm Warning | BOU | 51 min |
| Jun 12, 12:50 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 2:35 PM MDT | Severe Thunderstorm Warning | BOU | 35 min |
| Jun 14, 2:35 PM MDT | Severe Thunderstorm Warning | BOU | 25 min |
| Jun 14, 3:00 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Jun 14, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 5:45 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 23, 8:08 PM MDT | Severe Thunderstorm Warning | BOU | 37 min |
| Jun 23, 8:47 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Jun 26, 3:30 PM MDT | Tornado Watch | SPC | 6 hr |
| Jul 19, 3:46 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Aug 10, 3:20 PM MDT | Severe Thunderstorm Warning | BOU | 25 min |
| Aug 10, 4:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 17, 2:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 17, 3:24 PM MDT | Severe Thunderstorm Warning | BOU | 51 min |
| Aug 19, 4:41 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Aug 19, 5:21 PM MDT | Flash Flood Warning | BOU | 69 min |
| Aug 28, 1:57 PM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| Aug 28, 2:15 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 28, 2:17 PM MDT | Tornado Warning | BOU | 28 min |
| Aug 29, 2:55 PM MDT | Severe Thunderstorm Warning | BOU | 35 min |
| Aug 29, 3:58 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Sep 1, 2:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 3, 3:47 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Sep 3, 4:15 PM MDT | Tornado Watch | SPC | 6 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 | 19 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 5 |
| Flooding | |
| Flash Flood Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
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.