Alert archive / Iowa / Linn County / 2009
Weather alerts in Linn County, Iowa, August 2009
24 weather alerts in August 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 24
- Warnings
- 13
- Watches
- 5
- Advisories
- 1
- Busiest day
- August 9, 20097 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 8, 1:29 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 2:43 AM CDT | Heat Advisory | DVN | 40 hr |
| Aug 9, 9:55 AM CDT | Mesoscale Discussion | SPC | 35 min |
| Aug 9, 10:21 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 9, 11:31 AM CDT | Severe Thunderstorm Warning | DVN | 59 min |
| Aug 9, 12:13 PM CDT | Severe Thunderstorm Warning | DVN | 77 min |
| Aug 9, 1:44 PM CDT | Severe Thunderstorm Warning | DVN | 61 min |
| Aug 9, 3:41 PM CDT | Flash Flood Watch | DVN | 11 hr |
| Aug 9, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 9, 7:34 PM CDT | Severe Thunderstorm Warning | DVN | 56 min |
| Aug 9, 8:07 PM CDT | Severe Thunderstorm Warning | DVN | 68 min |
| Aug 17, 6:58 AM CDT | Special Weather Statement | DVN | 77 min |
| Aug 19, 4:49 PM CDT | Tornado Watch | SPC | 5 hr |
| Aug 19, 7:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 20, 1:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 26, 1:27 AM CDT | Flash Flood Warning | DVN | 3 hr |
| Aug 26, 9:10 AM CDT | Flash Flood Watch | DVN | 42 hr |
| Aug 26, 9:38 AM CDT | Areal Flood Warning | DVN | 12 hr |
| Aug 27, 2:06 AM CDT | Flash Flood Warning | DVN | 3 hr |
| Aug 27, 7:55 AM CDT | Flash Flood Warning | DVN | 6 hr |
| Aug 27, 1:56 PM CDT | Areal Flood Warning | DVN | 21 hr |
| Aug 27, 3:49 PM CDT | River Flood Warning | DVN | 37 hr |
| Aug 28, 6:38 AM CDT | River Flood Warning | DVN | 14 hr |
| Aug 28, 10:52 AM CDT | Areal Flood Warning | DVN | 48 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.