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Tweets About Tornado Warnings: A Spatiotemporal And Content Analysis

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Figure

Figure 2.1: Tornado warning & path density.  This figure displays the transition in tornado occurrence from more southerly towards the north based on the density of tornado warning polygons provided by the Iowa State Environmental Mesonet (IEM) (left) and
Figure 2.2: National Weather Service responsibilities for severe weather detection and warning
Figure 2.3: History of tornado warnings. A timeline of key events that occurred throughout history and have played a role in establishing the modern tornado warning
Figure 2.4: County-based vs. storm-based warnings. The transition from county-based warnings (left) to storm-based warnings (right) occurred in 2007
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