Hold the left mouse button down as you drag the Slider control (labelled "Set Fade Level") above the image (or click on the arrow buttons) to fade between the NOAA-15 visible image and the corresponding 10.8 micrometer IR image at 23:04 UTC (7:04 PM Eastern time) on 28 April 2002. To zoom, click on the "Zoom" button, and then click the "hand" cursor on the image where you want to center the zoom. To toggle between the 2 images, click in the middle of the grey Slider control area, beneath the word "Fade" in "Set Fade Level".

A tornado struck the town of La Plata, Maryland (located at the asterisk) from approximately 23:03 to 23:10 UTC (7:03 PM to 7:10 PM Eastern time), producing F5 damage over a 400 yard wide path.