Alert archive / Iowa / Sioux County / 2009
Weather alerts in Sioux County, Iowa, June 2009
22 weather alerts in June 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 22
- Warnings
- 6
- Watches
- 5
- Advisories
- 2
- Busiest day
- June 21, 20095 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 |
|---|---|---|---|
| Jun 7, 11:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 16, 8:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 17, 3:59 AM CDT | Dense Fog Advisory | FSD | 5 hr |
| Jun 17, 5:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 17, 6:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 4:20 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 18, 5:43 AM CDT | Severe Thunderstorm Warning | FSD | 47 min |
| Jun 18, 6:41 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 18, 6:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 21, 12:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 21, 3:17 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 21, 4:56 PM CDT | Tornado Warning | FSD | 34 min |
| Jun 21, 5:33 PM CDT | Tornado Warning | FSD | 27 min |
| Jun 21, 5:56 PM CDT | Tornado Warning | FSD | 49 min |
| Jun 22, 3:41 PM CDT | Heat Advisory | FSD | 22 hr |
| Jun 23, 8:01 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 11:31 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 24, 10:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 24, 11:53 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 25, 12:24 AM CDT | Severe Thunderstorm Warning | FSD | 36 min |
| Jun 25, 12:54 AM CDT | Severe Thunderstorm Warning | FSD | 51 min |
| Jun 26, 11:46 PM CDT | Mesoscale Discussion | SPC | 59 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 | 3 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 9 |
| Heat | |
| Heat Advisory | 1 |
| Fog and smoke | |
| Dense Fog 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.