Alert archive / Iowa / Johnson County / 2008
Weather alerts in Johnson County, Iowa, April 2008
28 weather alerts in April 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 28
- Warnings
- 18
- Watches
- 5
- Advisories
- 3
- Busiest day
- April 25, 200811 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 9, 3:15 AM CDT | Flash Flood Watch | DVN | 42 hr |
| Apr 9, 9:52 AM CDT | River Flood Warning | DVN | 4 days |
| Apr 10, 12:07 PM CDT | Wind Advisory | DVN | 3 hr |
| Apr 10, 6:38 PM CDT | Tornado Warning | DVN | 37 min |
| Apr 10, 7:15 PM CDT | Tornado Warning | DVN | 45 min |
| Apr 10, 8:23 PM CDT | Severe Thunderstorm Warning | DVN | 20 min |
| Apr 10, 11:01 PM CDT | River Flood Warning | DVN | 37 days |
| Apr 11, 3:42 AM CDT | River Flood Warning | DVN | 42 hr |
| Apr 13, 8:25 AM CDT | River Flood Warning | DVN | 13 hr |
| Apr 15, 3:48 AM CDT | Wind Advisory | DVN | 15 hr |
| Apr 16, 3:55 AM CDT | Wind Advisory | DVN | 12 hr |
| Apr 17, 3:57 AM CDT | Flood Watch | DVN | 40 hr |
| Apr 18, 9:51 AM CDT | River Flood Warning | DVN | 42 hr |
| Apr 18, 9:51 AM CDT | River Flood Warning | DVN | 3 days |
| Apr 21, 9:07 AM CDT | River Flood Warning | DVN | 7 hr |
| Apr 24, 3:14 PM CDT | Flash Flood Watch | DVN | 22 hr |
| Apr 24, 8:40 PM CDT | River Flood Warning | DVN | 4 days |
| Apr 25, 4:22 AM CDT | Mesoscale Discussion | SPC | 23 min |
| Apr 25, 4:51 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 25, 6:55 AM CDT | River Flood Warning | DVN | 6 days |
| Apr 25, 6:55 AM CDT | River Flood Warning | DVN | 5 hr |
| Apr 25, 7:11 AM CDT | Flash Flood Warning | DVN | 6 hr |
| Apr 25, 12:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 25, 1:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 25, 2:31 PM CDT | Severe Thunderstorm Warning | DVN | 59 min |
| Apr 25, 2:47 PM CDT | River Flood Warning | DVN | 4 days |
| Apr 25, 3:01 PM CDT | Tornado Warning | DVN | 44 min |
| Apr 28, 3:21 AM CDT | Freeze Warning | DVN | 28 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 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 11 |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.