Alert archive / Utah / San Juan County
Weather alerts in San Juan County, Utah, 1999
12 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
San Juan County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 12
- Warnings
- 12
- Watches
- 0
- Advisories
- 0
- Busiest month
- July7 alerts
- Busiest day
- July 28, 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 |
|---|---|---|---|
| Jul 27, 7:05 PM MDT | Severe Thunderstorm Warning | SLC | 40 min |
| Jul 27, 7:45 PM MDT | Severe Thunderstorm Warning | SLC | 30 min |
| Jul 27, 8:15 PM MDT | Flash Flood Warning | SLC | 105 min |
| Jul 27, 9:50 PM MDT | Flash Flood Warning | SLC | 70 min |
| Jul 28, 1:40 AM MDT | Severe Thunderstorm Warning | GJT | 60 min |
| Jul 30, 12:01 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Jul 30, 2:56 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 5, 1:35 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 15, 3:30 PM MDT | Severe Thunderstorm Warning | GJT | 60 min |
| Aug 21, 5:45 PM MDT | Severe Thunderstorm Warning | SLC | 60 min |
| Sep 16, 4:22 PM MDT | Severe Thunderstorm Warning | GJT | 63 min |
| Sep 16, 6:07 PM MDT | Severe Thunderstorm Warning | GJT | 48 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 | 7 |
| Flooding | |
| Flash Flood Warning | 5 |
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.