A <a href="https://en.wikipedia.org/wiki/Doppler_weather_radar" class="extiw" title="w:Doppler weather radar">Doppler weather radar</a> image of an F3 <a href="https://en.wikipedia.org/wiki/tornado" class="extiw" title="w:tornado">tornado</a> over College Park, <a href="https://en.wikipedia.org/wiki/Maryland" class="extiw" title="w:Maryland">Maryland</a> on 2001-09-24. The left half of the screen is the base reflectivity image of the storm cell and the right half is the base velocity image of the storm cell. This tornado was responsible for the deaths of two people around the time of this image.
<a href="https://en.wikipedia.org/wiki/User:WindRunner" class="extiw" title="wikipedia:User:WindRunner">WindRunner</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>, using data from the NWS and software from GRS
<p>2 February 2007 (original upload date)<br></p>
(<span lang="en" dir="ltr">Original text: <i><bdi lang="">2001-09-24</bdi></i></span>)
Data was obtained from the National Climatic Data Center's archives of the <a href="https://en.wikipedia.org/wiki/National_Weather_Service" class="extiw" title="w:National Weather Service">National Weather Service</a>'s radar data. This data and most other historical NWS radar data may be obtained from <a rel="nofollow" class="external text" href="http://hurricane.ncdc.noaa.gov/pls/plhas/has.dsselect">here</a>. Image captured using <a rel="nofollow" class="external text" href="http://www.grlevelx.com">Gibson Ridge Software</a> radar viewing products.