The Iowa Environmental Mesonet (IEM) collects environmental data from cooperating members with observing networks. The data are stored and made available on this website.
NWS Des Moines Flood Warnings
Posted: 03 May 2024 05:30 AM, Views: 587
The National Weather Service issues Flood Warnings for monitored points along rivers when the forecast stage (river height) is expected to cause flooding. NWS Des Moines issued their first such warning of the year yesterday for the East Fork of the Des Moines River at Algona. This was the office's first such warning since February of last year! The featured chart presents the period each year between the first and last issuance along with the number of issuances per day. Flood Warnings tend to last many days, so unfortunately this visualization does not represent that aspect of these warnings. Anyway, the chart is still informative when one compares this to years dominated by drought, namely 2012 and a number of recent years. The very wet years of 2008 and 2010 certainly stand out on this chart as well. For recently drought stricken Iowa, a bit of flooding is a good sign that our hydrological situation is improving. Of course, it would be nice if things do not get out of hand over the months ahead.
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Previous Years' Features
2022: Progress or lack thereof
2021: Complex Pattern
2017: Sunshine Return Helps
2016: Date of Last Sub 32
2013: '12-'13 Winter Storm #17
2012: High resolution
2011: Frosty May Morning
2007: NOAA Environmental Hero
2006: Summer-like storms
2005: It won't take long
2004: Mid 20s
2002: Warming Back Up
Algona US18 Bridge Deck, IA Webcam:
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Soil Temperatures
Data from the Iowa State Soil Moisture Network is found on this website and daily soil temperature averages are used to produce the highlighted analysis.