Alert archive / Iowa / Johnson County / 2010
Weather alerts in Johnson County, Iowa, August 2010
40 weather alerts in August 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 40
- Warnings
- 12
- Watches
- 10
- Advisories
- 2
- Busiest day
- August 9, 20109 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 |
|---|---|---|---|
| Aug 2, 3:24 PM CDT | Flash Flood Watch | DVN | 18 hr |
| Aug 3, 12:04 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 3, 1:27 AM CDT | Flash Flood Warning | DVN | 6 hr |
| Aug 3, 6:16 AM CDT | River Flood Warning | DVN | 4 days |
| Aug 3, 7:22 AM CDT | Areal Flood Warning | DVN | 12 hr |
| Aug 3, 8:08 PM CDT | River Flood Warning | DVN | 4 days |
| Aug 3, 8:44 PM CDT | Flash Flood Watch | DVN | 14 hr |
| Aug 4, 1:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 4, 1:57 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 2:11 AM CDT | Special Weather Statement | DVN | 64 min |
| Aug 4, 2:57 AM CDT | Special Weather Statement | DVN | 63 min |
| Aug 4, 3:08 AM CDT | Flash Flood Warning | DVN | 6 hr |
| Aug 8, 4:10 AM CDT | Heat Advisory | DVN | 15 hr |
| Aug 8, 9:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 8, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 10:14 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 8, 11:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 8, 11:23 PM CDT | Special Weather Statement | DVN | 52 min |
| Aug 9, 2:20 AM CDT | Mesoscale Discussion | SPC | 100 min |
| Aug 9, 3:51 AM CDT | Flash Flood Watch | DVN | 17 hr |
| Aug 9, 3:57 AM CDT | Special Weather Statement | DVN | 93 min |
| Aug 9, 4:46 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 10, 10:18 AM CDT | River Flood Warning | DVN | 9 days |
| Aug 10, 9:05 PM CDT | Flash Flood Watch | DVN | 6 hr |
| Aug 10, 10:17 PM CDT | Special Weather Statement | DVN | 58 min |
| Aug 10, 11:29 PM CDT | Special Weather Statement | DVN | 61 min |
| Aug 11, 10:07 AM CDT | River Flood Warning | DVN | 35 hr |
| Aug 11, 10:14 AM CDT | River Flood Warning | DVN | 5 days |
| Aug 11, 3:14 PM CDT | Excessive Heat Warning | DVN | 50 hr |
| Aug 13, 3:42 AM CDT | Flash Flood Watch | DVN | 24 hr |
| Aug 13, 10:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 13, 1:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 13, 2:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 13, 2:15 PM CDT | Severe Thunderstorm Warning | DVN | 60 min |
| Aug 13, 11:44 PM CDT | River Flood Warning | DVN | 40 hr |
| Aug 20, 11:35 AM CDT | Flash Flood Watch | DVN | 9 hr |
| Aug 20, 1:58 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 20, 2:51 PM CDT | Severe Thunderstorm Warning | DVN | 29 min |
| Aug 20, 5:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 21, 9:53 PM CDT | Dense Fog Advisory | DVN | 12 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 | 2 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 6 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| River Flood Warning | 6 |
| Flash Flood Watch | 6 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.