Water Resources of the United States
Date: Fri, 21 Sep 2018 10:17:51 EDT
Summary: Late summer thunderstorms causing major flooding in Northern Iowa
Over 6 inches of rain has fallen in some areas of Northern Iowa over the last 48 hours, resulting in 25 gages above NWS Flood Stage (9 gages in major flooding category, 6 in moderate. Northwest Iowa-- The Floyd (just peaked above a new record); and the Rock and Little Sioux (peaking soon near record). Northcentral Iowa-- Most will soon peak or have peaked, most in the moderate category. Northeast Iowa-- The Cedar River and many tribs have peaked or will peak soon, and a few will be in the major category soon.
No streamgages have been damaged or destroyed.
Six 2-person crews are out measuring, and a few crews may need to be out this weekend.
We are in close communication with partners, especially those in NWSChat.