Alert archive / North Dakota / McHenry County / 2011
Weather alerts in McHenry County, North Dakota, July 2011
30 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
- 30
- Warnings
- 10
- Watches
- 7
- Advisories
- 4
- Busiest day
- July 17, 20116 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 4, 1:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| 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, 6:59 PM CDT | Severe Thunderstorm Warning | BIS | 61 min |
| Jul 15, 3:11 AM CDT | Severe Thunderstorm Warning | BIS | 49 min |
| Jul 15, 3:01 PM CDT | Excessive Heat Warning | BIS | 5 days |
| Jul 16, 4:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 17, 9:15 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 9:58 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 17, 10:13 AM CDT | Severe Thunderstorm Warning | BIS | 47 min |
| Jul 17, 10:25 AM CDT | Tornado Warning | BIS | 35 min |
| Jul 17, 10:57 AM CDT | Tornado Warning | BIS | 33 min |
| Jul 17, 11:26 AM CDT | Tornado Warning | BIS | 49 min |
| Jul 20, 5:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 20, 5:25 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 5:43 AM CDT | Severe Thunderstorm Warning | BIS | 62 min |
| Jul 20, 6:22 AM CDT | Severe Thunderstorm Warning | BIS | 53 min |
| Jul 22, 3:56 AM CDT | Flash Flood Watch | BIS | 23 hr |
| Jul 22, 10:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 22, 10:15 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 3:04 AM CDT | Wind Advisory | BIS | 4 hr |
| Jul 24, 2:16 AM CDT | Dense Fog Advisory | BIS | 9 hr |
| Jul 25, 4:04 AM CDT | Flash Flood Watch | BIS | 42 hr |
| Jul 26, 10:45 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 26, 2:11 PM CDT | Areal Flood Advisory | BIS | 6 hr |
| Jul 27, 5:51 AM CDT | Dense Fog Advisory | BIS | 4 hr |
| Jul 29, 10:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 29, 11:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 30, 12:03 AM CDT | Severe Thunderstorm Warning | BIS | 27 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 | 6 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 9 |
| Flooding | |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.