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: 1888
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
2021: New Climate Averages
2020: Doing well for 60s
2017: Within Two Degrees
2016: Finally a clear day
2015: Rainfall Variability
2014: First 80
2011: Not a struggle
2009: Past 4 months
2008: Spring recoveries
2006: 60s for cinco de mayo
2005: 40 degree swing!
2004: Slow Start
2003: Blame it on the rain
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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.