Alert archive / Iowa / Delaware County / 2011
Weather alerts in Delaware County, Iowa, May 2011
17 weather alerts in May 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 17
- Warnings
- 4
- Watches
- 2
- Advisories
- 5
- Busiest day
- May 22, 20114 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 |
|---|---|---|---|
| May 1, 3:26 PM CDT | Frost Advisory | DVN | 15 hr |
| May 2, 3:33 PM CDT | Frost Advisory | DVN | 15 hr |
| May 3, 3:15 PM CDT | Freeze Warning | DVN | 16 hr |
| May 11, 8:09 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 11, 1:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 11, 3:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 2:57 PM CDT | Frost Advisory | DVN | 16 hr |
| May 22, 4:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 10:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 12:51 PM CDT | Tornado Watch | SPC | 10 hr |
| May 22, 2:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 5:33 PM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| May 24, 5:42 PM CDT | Severe Thunderstorm Warning | DVN | 48 min |
| May 24, 5:53 PM CDT | Tornado Warning | DVN | 37 min |
| May 25, 2:31 PM CDT | Wind Advisory | DVN | 7 hr |
| May 29, 5:05 AM CDT | Dense Fog Advisory | DVN | 4 hr |
| May 29, 8:39 AM CDT | Mesoscale Discussion | SPC | 66 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 | 2 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 6 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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. Rebuilt daily.