Alert archive / North Dakota / Sioux County
Weather alerts in Sioux County, North Dakota, 2007
107 weather alerts in 2007, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sioux County and its neighbors
Each county as a circle sized by its count in 2007. Tap one for its archive.
- Alerts
- 107
- Warnings
- 40
- Watches
- 24
- Advisories
- 0
- Busiest month
- June27 alerts
- Busiest day
- May 25, 20079 alerts
Over time
By month
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 |
|---|---|---|---|
| Feb 12, 12:01 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Apr 28, 4:56 AM CDT | Fire Weather Watch | BIS | 16 hr |
| May 1, 3:46 PM CDT | Fire Weather Watch | BIS | 14 hr |
| May 2, 5:35 AM CDT | Red Flag Warning | BIS | 15 hr |
| May 3, 4:05 AM CDT | Red Flag Warning | BIS | 17 hr |
| May 6, 12:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 6, 12:58 PM CDT | Severe Thunderstorm Warning | BIS | 62 min |
| May 6, 1:07 PM CDT | Tornado Watch | SPC | 6 hr |
| May 13, 9:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 13, 11:12 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 14, 12:47 AM CDT | Severe Thunderstorm Warning | BIS | 58 min |
| May 14, 1:47 AM CDT | Severe Thunderstorm Warning | BIS | 58 min |
| May 18, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 21, 1:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 21, 2:11 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 21, 6:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 25, 1:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 25, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 25, 3:01 PM CDT | Severe Thunderstorm Warning | BIS | 59 min |
| May 25, 3:33 PM CDT | Tornado Warning | BIS | 27 min |
| May 25, 3:58 PM CDT | Tornado Warning | BIS | 32 min |
| May 25, 4:30 PM CDT | Tornado Warning | BIS | 30 min |
| May 25, 5:01 PM CDT | Severe Thunderstorm Warning | BIS | 48 min |
| May 25, 5:22 PM CDT | Tornado Warning | BIS | 23 min |
| May 25, 5:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 25, 7:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 28, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 28, 7:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 6:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 6:47 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 6, 9:34 PM CDT | Severe Thunderstorm Warning | BIS | 56 min |
| Jun 7, 4:47 AM CDT | Flash Flood Warning | BIS | 4 hr |
| Jun 7, 7:49 AM CDT | Flash Flood Warning | BIS | 5 hr |
| Jun 7, 7:49 AM CDT | Flash Flood Warning | BIS | 65 days |
| Jun 10, 10:57 PM CDT | Severe Thunderstorm Warning | BIS | 63 min |
| Jun 10, 11:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 12:00 AM CDT | Severe Thunderstorm Warning | BIS | 60 min |
| Jun 11, 2:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 11, 5:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 12, 12:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 12, 2:02 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 12, 4:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 11:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 4:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 17, 5:13 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 21, 2:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 21, 2:29 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 21, 4:33 AM CDT | Severe Thunderstorm Warning | BIS | 57 min |
| Jun 21, 5:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 21, 2:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 24, 4:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 24, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 24, 9:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 25, 3:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 1, 3:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 1, 4:02 PM CDT | Tornado Watch | SPC | 8 hr |
| Jul 1, 6:29 PM CDT | Severe Thunderstorm Warning | BIS | 61 min |
| Jul 1, 6:46 PM CDT | Severe Thunderstorm Warning | BIS | 59 min |
| Jul 1, 7:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 1, 7:41 PM CDT | Severe Thunderstorm Warning | BIS | 49 min |
| Jul 1, 9:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 2, 10:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 3, 1:58 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 2:21 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 3, 5:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 7:13 PM CDT | Severe Thunderstorm Warning | BIS | 47 min |
| Jul 7, 4:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 9, 4:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 9, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 9, 6:43 PM CDT | Severe Thunderstorm Warning | BIS | 32 min |
| Jul 9, 7:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 9, 9:08 PM CDT | Severe Thunderstorm Warning | BIS | 67 min |
| Jul 30, 4:29 AM CDT | Fire Weather Watch | BIS | 5 hr |
| Jul 30, 9:47 AM CDT | Red Flag Warning | BIS | 12 hr |
| Jul 31, 5:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 2:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 8, 7:03 AM CDT | Severe Thunderstorm Warning | BIS | 27 min |
| Aug 8, 7:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 8, 2:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 8, 2:57 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 8, 6:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 10, 2:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 10, 3:41 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 10, 5:41 PM CDT | Severe Thunderstorm Warning | BIS | 64 min |
| Aug 10, 5:56 PM CDT | Severe Thunderstorm Warning | BIS | 49 min |
| Aug 10, 6:45 PM CDT | Severe Thunderstorm Warning | BIS | 45 min |
| Aug 10, 7:30 PM CDT | Tornado Warning | BIS | 30 min |
| Aug 11, 2:37 AM CDT | Mesoscale Discussion | SPC | 23 min |
| Aug 12, 10:41 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 26, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 26, 11:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 27, 2:58 AM CDT | Severe Thunderstorm Warning | BIS | 32 min |
| Aug 27, 3:31 AM CDT | Severe Thunderstorm Warning | BIS | 59 min |
| Aug 27, 12:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 27, 1:25 PM CDT | Severe Thunderstorm Warning | BIS | 65 min |
| Aug 27, 2:29 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 20, 1:51 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 23, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Oct 23, 4:49 AM CDT | Fire Weather Watch | BIS | 23 hr |
| Oct 23, 4:49 AM CDT | Red Flag Warning | BIS | 14 hr |
| Oct 30, 3:47 AM CDT | Red Flag Warning | BIS | 15 hr |
| Oct 31, 3:41 AM CDT | Red Flag Warning | BIS | 12 hr |
| Nov 1, 3:51 AM CDT | Red Flag Warning | BIS | 18 hr |
| Nov 2, 3:47 AM CDT | Red Flag Warning | BIS | 15 hr |
| Nov 4, 5:17 AM CST | Red Flag Warning | BIS | 14 hr |
| Nov 12, 3:25 PM CST | Red Flag Warning | BIS | 30 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 | 22 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 15 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 43 |
| Flooding | |
| Flash Flood Warning | 3 |
| Fire | |
| Red Flag Warning | 10 |
| Fire Weather Watch | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20062008
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.