Automated Data Plotter

This application dynamically generates many types of graphs derived from various IEM data sources. Feel free to use these generated graphics in whatever way you wish.

Reset App IEM Explorer (Simplified)

1 Select a Chart Type

Choose from available chart types:

2 Configure Chart Options

Select Watch/Warning Phenomena Type:

Select Watch/Warning Significance Level:

For TOR/FFW Warnings, plot emergencies?

Retroactive Date of Plot:

Image Pixel Size @100 DPI

Image Resolution (DPI) (50 to 500)

Select Output Format:

Plot Description:

This map depicts the number of days since a Weather Forecast Office has issued a given VTEC product. You can set the plot to a retroactive date, which computes the number of number of days prior to that date.

3 Generated Chart

Based on recent timings, plot generation averages 7 seconds. Please wait while your chart is being generated...

CSV Data Excel Download

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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.

04 Dec 2024: Days since last Wind Advisory
18 Nov 2022: Days since last Blizzard Warning
02 Mar 2021: Days Since Last SVR Warning
12 Jul 2019: Last Hurricane Warning
11 Dec 2017: Days since last Winter Storm Warning
13 Jan 2017: Since Last Ice Storm Warning
07 Sep 2016: Since Last Flash Flood Watch
01 Apr 2015: Days since last Severe Warning
14 Oct 2014: Days since last Tornado Warning
10 May 2013: The Last Tornado Warning