Alert archive / Montana / Valley County / 2018
Weather alerts in Valley County, Montana, May 2018
31 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
- 31
- Warnings
- 8
- Watches
- 1
- Advisories
- 6
- Busiest day
- May 17, 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 8, 4:49 PM MDT | Special Weather Statement | GGW | 41 min |
| May 8, 5:34 PM MDT | Special Weather Statement | GGW | 41 min |
| May 10, 3:12 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| May 16, 10:21 PM MDT | Special Weather Statement | GGW | 39 min |
| May 17, 3:41 AM MDT | Lake Wind Advisory | GGW | 30 hr |
| May 17, 3:15 PM MDT | Severe Thunderstorm Warning | GGW | 30 min |
| May 17, 4:44 PM MDT | Areal Flood Advisory | GGW | 3 hr |
| May 17, 5:10 PM MDT | Severe Thunderstorm Warning | GGW | 50 min |
| May 17, 5:49 PM MDT | Severe Thunderstorm Warning | GGW | 41 min |
| May 17, 6:25 PM MDT | Areal Flood Advisory | GGW | 3 hr |
| May 17, 6:31 PM MDT | Severe Thunderstorm Warning | GGW | 29 min |
| May 17, 7:03 PM MDT | Severe Thunderstorm Warning | GGW | 38 min |
| May 20, 3:25 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| May 22, 3:31 PM MDT | Special Weather Statement | GGW | 44 min |
| May 22, 4:14 PM MDT | Special Weather Statement | GGW | 46 min |
| May 22, 4:56 PM MDT | Special Weather Statement | GGW | 49 min |
| May 26, 2:21 PM MDT | Mesoscale Discussion | SPC | 114 min |
| May 26, 4:46 PM MDT | Mesoscale Discussion | SPC | 119 min |
| May 26, 5:36 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 26, 6:52 PM MDT | Severe Thunderstorm Warning | GGW | 53 min |
| May 26, 7:42 PM MDT | Severe Thunderstorm Warning | GGW | 63 min |
| May 26, 9:13 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 9:33 PM MDT | Special Weather Statement | GGW | 57 min |
| May 29, 3:13 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| May 29, 4:01 PM MDT | Special Weather Statement | GGW | 44 min |
| May 30, 1:34 PM MDT | Special Weather Statement | GGW | 41 min |
| May 30, 2:19 PM MDT | Special Weather Statement | GGW | 56 min |
| May 30, 2:39 PM MDT | Special Weather Statement | GGW | 66 min |
| May 30, 3:48 PM MDT | Special Weather Statement | GGW | 57 min |
| May 30, 9:15 PM MDT | Special Weather Statement | GGW | 60 min |
| May 30, 10:08 PM MDT | Severe Thunderstorm Warning | GGW | 52 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 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 13 |
| Flooding | |
| Areal Flood Advisory | 2 |
| Wind and dust | |
| Lake Wind Advisory | 4 |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.