Automated Data Plotter
This application dynamically generates many types of graphs. These graphs are derived from processing of various data sources done by the IEM. Please feel free to use these generated graphics in whatever way you wish.
Second, select specific chart options::
Plot Description:
This application generates a map displaying the number of LSRs issued between a period of your choice by NWS Office. These are the preliminary reports and not official totals of events.NOTE: If you choose a period longer than one year, only the "count" metric is available. Sorry.
Based on a sampling of recent timings for this application, plot generation time has averaged 16 seconds. Hold on for the plot is generating now!

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IEM Daily Features using this plot
The IEM Daily Features found on this website often utilize plots found on this application. Here is a listing of features referencing this plot type.
- 27 Nov 2020: 2020 Severe Hail Reports
- 07 Nov 2018: 2018 Tornado Local Storm Reports
- 28 Feb 2017: NWS Local Storm Reports