Iowa Environmental Mesonet

Iowa State University Department of Agronomy

Over 1 billion observations collected
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Warnings per month

05 Nov 2009 06:29 AM
The featured chart displays the monthly number of severe thunderstorm and tornado warnings issued by the National Weather Service for this year and last. In general, the number of warnings is down this year compared with 2008. The most significant difference is the number of tornado warnings in May being half of the total for 2008.

Voting:
Good = 18
Bad = 9

Tags:   2008   2009