Alert archive / Iowa / Johnson County / 2009

Weather alerts in Johnson County, Iowa, August 2009

22 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
22
Warnings
11
Watches
5
Advisories
1
Busiest day
August 27, 20098 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.

IssuedProductOfficeLasted
Aug 8, 2:43 AM CDTHeat AdvisoryDVN40 hr
Aug 9, 9:55 AM CDTMesoscale DiscussionSPC35 min
Aug 9, 10:21 AM CDTSevere Thunderstorm WatchSPC8 hr
Aug 9, 3:41 PM CDTFlash Flood WatchDVN11 hr
Aug 9, 5:52 PM CDTSevere Thunderstorm WatchSPC8 hr
Aug 9, 7:34 PM CDTSevere Thunderstorm WarningDVN56 min
Aug 9, 8:07 PM CDTSevere Thunderstorm WarningDVN68 min
Aug 19, 4:49 PM CDTTornado WatchSPC5 hr
Aug 19, 7:45 PM CDTMesoscale DiscussionSPC90 min
Aug 26, 9:10 AM CDTFlash Flood WatchDVN42 hr
Aug 26, 2:19 PM CDTSpecial Weather StatementDVN56 min
Aug 26, 9:54 PM CDTRiver Flood WarningDVN5 days
Aug 27, 1:53 AM CDTSpecial Weather StatementDVN6 hr
Aug 27, 2:06 AM CDTFlash Flood WarningDVN3 hr
Aug 27, 3:59 AM CDTRiver Flood WarningDVN4 days
Aug 27, 7:19 AM CDTSpecial Weather StatementDVN4 hr
Aug 27, 7:55 AM CDTFlash Flood WarningDVN6 hr
Aug 27, 9:52 AM CDTRiver Flood WarningDVN49 hr
Aug 27, 5:51 PM CDTFlash Flood WarningDVN6 hr
Aug 28, 12:03 AM CDTAreal Flood WarningDVN12 hr
Aug 28, 6:38 AM CDTRiver Flood WarningDVN14 hr
Aug 28, 12:00 PM CDTAreal Flood WarningDVN48 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning2
Severe Thunderstorm Watch2
Tornado Watch1
Mesoscale Discussion2
Special Weather Statement3
Flooding
Areal Flood Warning2
Flash Flood Warning3
River Flood Warning4
Flash Flood Watch2
Heat
Heat Advisory1

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. Rebuilt daily.