Alert archive / North Dakota / Sioux County / 2011
Weather alerts in Sioux County, North Dakota, July 2011
44 weather alerts in July 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 44
- Warnings
- 17
- Watches
- 9
- Advisories
- 4
- Busiest day
- July 10, 20117 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 6, 1:25 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 8, 2:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 8, 2:32 PM CDT | Tornado Watch | SPC | 9 hr |
| Jul 8, 5:53 PM CDT | Severe Thunderstorm Warning | BIS | 52 min |
| Jul 8, 6:21 PM CDT | Tornado Warning | BIS | 24 min |
| Jul 8, 6:45 PM CDT | Tornado Warning | BIS | 45 min |
| Jul 8, 8:06 PM CDT | Areal Flood Advisory | BIS | 11 hr |
| Jul 8, 9:20 PM CDT | Areal Flood Advisory | BIS | 6 hr |
| Jul 10, 10:32 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 10, 11:08 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 1:20 PM CDT | Severe Thunderstorm Warning | BIS | 55 min |
| Jul 10, 2:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 10, 2:12 PM CDT | Severe Thunderstorm Warning | BIS | 63 min |
| Jul 10, 2:22 PM CDT | Tornado Warning | BIS | 23 min |
| Jul 10, 2:23 PM CDT | Areal Flood Advisory | BIS | 4 hr |
| Jul 14, 3:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 5:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 14, 9:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 16, 3:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 16, 4:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 16, 6:52 PM CDT | Severe Thunderstorm Warning | BIS | 53 min |
| Jul 16, 9:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 18, 3:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 18, 7:43 PM CDT | Severe Thunderstorm Warning | BIS | 62 min |
| Jul 18, 8:01 PM CDT | Tornado Warning | BIS | 29 min |
| Jul 18, 8:30 PM CDT | Tornado Warning | BIS | 30 min |
| Jul 18, 8:46 PM CDT | Severe Thunderstorm Warning | BIS | 45 min |
| Jul 18, 9:19 PM CDT | Areal Flood Advisory | BIS | 9 hr |
| Jul 22, 5:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 22, 5:35 PM CDT | Tornado Watch | SPC | 8 hr |
| Jul 22, 8:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 22, 10:16 PM CDT | Severe Thunderstorm Warning | BIS | 59 min |
| Jul 22, 10:25 PM CDT | Tornado Warning | BIS | 35 min |
| Jul 22, 10:51 PM CDT | Tornado Warning | BIS | 24 min |
| Jul 22, 11:02 PM CDT | Tornado Warning | BIS | 13 min |
| Jul 22, 11:11 PM CDT | Severe Thunderstorm Warning | BIS | 64 min |
| Jul 23, 12:08 AM CDT | Severe Thunderstorm Warning | BIS | 52 min |
| Jul 24, 1:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 24, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 5:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 26, 3:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 5:21 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 29, 9:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 31, 5:44 PM CDT | Tornado 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 | 9 |
| Tornado Warning | 8 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 14 |
| Flooding | |
| Areal Flood Advisory | 4 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.