Alert archive / Nebraska / Sioux County / 2009
Weather alerts in Sioux County, Nebraska, July 2009
46 weather alerts in July 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 46
- Warnings
- 25
- Watches
- 6
- Advisories
- 1
- Busiest day
- July 3, 20099 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 |
|---|---|---|---|
| Jun 30, 7:18 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jul 1, 12:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 1, 4:29 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 1, 6:22 PM MDT | Severe Thunderstorm Warning | CYS | 53 min |
| Jul 1, 6:38 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 7:07 PM MDT | Severe Thunderstorm Warning | CYS | 53 min |
| Jul 1, 8:01 PM MDT | Severe Thunderstorm Warning | CYS | 59 min |
| Jul 2, 2:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 2, 5:02 PM MDT | Severe Thunderstorm Warning | CYS | 58 min |
| Jul 2, 6:01 PM MDT | Severe Thunderstorm Warning | CYS | 59 min |
| Jul 2, 6:29 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 2, 6:49 PM MDT | Severe Thunderstorm Warning | CYS | 56 min |
| Jul 2, 7:29 PM MDT | Severe Thunderstorm Warning | CYS | 46 min |
| Jul 2, 8:14 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| Jul 2, 8:17 PM MDT | Flash Flood Warning | CYS | 3 hr |
| Jul 2, 8:27 PM MDT | Flash Flood Warning | CYS | 3 hr |
| Jul 2, 9:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jul 3, 2:19 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 6, 2:07 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 6, 5:35 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 7, 7:17 PM MDT | Severe Thunderstorm Warning | CYS | 23 min |
| Jul 7, 9:05 PM MDT | Areal Flood Advisory | CYS | 4 hr |
| Jul 10, 5:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 10, 6:00 PM MDT | Severe Thunderstorm Warning | CYS | 43 min |
| Jul 10, 6:38 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jul 10, 9:11 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Jul 11, 12:08 AM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Jul 11, 12:28 AM MDT | Mesoscale Discussion | SPC | 62 min |
| Jul 11, 3:35 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 11, 3:56 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 11, 7:34 PM MDT | Severe Thunderstorm Warning | CYS | 56 min |
| Jul 11, 8:09 PM MDT | Flash Flood Warning | CYS | 3 hr |
| Jul 11, 8:10 PM MDT | Severe Thunderstorm Warning | CYS | 65 min |
| Jul 11, 8:26 PM MDT | Severe Thunderstorm Warning | CYS | 64 min |
| Jul 12, 2:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 13, 1:45 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 4:06 PM MDT | Severe Thunderstorm Warning | CYS | 54 min |
| Jul 13, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jul 16, 5:47 PM MDT | Severe Thunderstorm Warning | CYS | 43 min |
| Jul 17, 12:59 PM MDT | Tornado Watch | SPC | 6 hr |
| Jul 19, 2:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 20, 2:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jul 20, 2:25 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 5:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 27, 4:41 PM MDT | Severe Thunderstorm Warning | CYS | 35 min |
| Jul 27, 5:23 PM MDT | Severe Thunderstorm Warning | CYS | 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 | 22 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 14 |
| Flooding | |
| Flash Flood Warning | 3 |
| Areal Flood Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.