Alert archive / Iowa / Johnson County / 2010
Weather alerts in Johnson County, Iowa, April 2010
25 weather alerts in April 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 25
- Warnings
- 9
- Watches
- 5
- Advisories
- 2
- Busiest day
- April 5, 20106 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 |
|---|---|---|---|
| Apr 2, 8:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 2, 11:35 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 4, 7:32 PM CDT | Severe Thunderstorm Warning | DVN | 47 min |
| Apr 5, 1:29 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 5, 2:02 PM CDT | Flash Flood Watch | DVN | 18 hr |
| Apr 5, 4:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 5, 5:19 PM CDT | Severe Thunderstorm Warning | DVN | 41 min |
| Apr 5, 5:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 6, 4:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 6, 4:15 AM CDT | Severe Thunderstorm Warning | DVN | 30 min |
| Apr 6, 12:42 PM CDT | River Flood Warning | DVN | 5 days |
| Apr 6, 2:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 6, 6:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 6, 8:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 6, 9:46 PM CDT | River Flood Warning | DVN | 13 hr |
| Apr 17, 3:31 AM CDT | Frost Advisory | DVN | 28 hr |
| Apr 25, 8:58 AM CDT | River Flood Warning | DVN | 69 hr |
| Apr 25, 7:34 PM CDT | River Flood Warning | DVN | 32 hr |
| Apr 29, 3:16 AM CDT | Wind Advisory | DVN | 12 hr |
| Apr 30, 9:18 AM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 30, 10:20 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 30, 12:30 PM CDT | Severe Thunderstorm Warning | DVN | 60 min |
| Apr 30, 1:05 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 30, 1:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 30, 1:24 PM CDT | Severe Thunderstorm Warning | DVN | 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 | 5 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 9 |
| Flooding | |
| River Flood Warning | 4 |
| Flash Flood Watch | 1 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind 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.