Alert archive / Iowa / River Flood Watches / 2018

River Flood Watches in Iowa, May 2018

20 river flood watches in May 2018. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood watches reaches back to 2005.

River Flood Watches by county

Each county as a circle sized by its count in May 2018. Tap one for its archive.

River Flood Watches
20
Busiest day
May 4, 201810 river flood watches

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.

IssuedProductOfficeCountiesLasted
May 1, 4:28 PM CDTRiver Flood WatchDVNClinton24 hr
May 1, 4:28 PM CDTRiver Flood WatchDVNScott24 hr
May 3, 11:15 AM CDTRiver Flood WatchDVNJackson11 hr
May 3, 11:15 AM CDTRiver Flood WatchDVNLee7 days
May 3, 2:24 PM CDTRiver Flood WatchDMXBlack Hawk6 days
May 3, 9:27 PM CDTRiver Flood WatchDVNCedar, Louisa, Muscatine56 hr
May 3, 9:27 PM CDTRiver Flood WatchDVNIowa, Johnson14 hr
May 3, 9:30 PM CDTRiver Flood WatchDMXBlack Hawk5 days
May 3, 9:30 PM CDTRiver Flood WatchDMXWright37 hr
May 3, 9:30 PM CDTRiver Flood WatchDMXPolk13 hr
May 4, 11:42 AM CDTRiver Flood WatchDVNBenton, Linn5 days
May 4, 11:42 AM CDTRiver Flood WatchDVNCedar, Johnson, Linn7 days
May 4, 11:42 AM CDTRiver Flood WatchDVNLouisa24 hr
May 4, 11:42 AM CDTRiver Flood WatchDVNLouisa5 days
May 4, 11:42 AM CDTRiver Flood WatchDVNLouisa5 days
May 8, 9:50 AM CDTRiver Flood WatchDVNClinton, Scott49 hr
May 10, 9:59 AM CDTRiver Flood WatchDMXPalo Alto, Pocahontas49 hr
May 10, 9:59 AM CDTRiver Flood WatchDMXHumboldt25 hr
May 10, 10:16 AM CDTRiver Flood WatchDMXBlack Hawk3 days
May 22, 10:02 AM CDTRiver Flood WatchDMXEmmet24 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.