Siren Tornado

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Siren, Wisconsin Tornado June 18, 2001 Destructive Swath
Captured by Landsat 7 Satellite


References & Information		Download Satellite Images & Georeferenced Data
Siren F3 Tornado Swath Detection "Timing is everything when trying to document these events via satellite," noted Thomas Lillesand, Director of the Environmental Remote Sensing Center at the University of Wisconsin-Madison. "We were fortunate to have cloud-free images of the area collected both the day after the tornado and essentially one month earlier. We could then register the two images and highlight the damaged areas using digital image processing techniques." Lillesand, T.M. et.al. Paper presented at ASPRS in Washington, DC 4/24/02: Assessing Tornado Damage via Analysis of Multi-temporal Landsat-7 ETM+ Data News@UW-Madison article 6/22/01: Satellite images tell tale of Siren tornado [dead link] Cooperative Institute for Meteorological Satellite Studies at UW-Madison: Weather Satellite GOES-8 Imagery of the Siren, Wisconsin tornado National Weather Service Forecast Office in Duluth, Minnesota: Description, Doppler Radar, and documentary photos of Siren Tornado [dead link] National Geographic MapMachine and ESRI: U.S. Historic Map of Tornado Touchdowns Paper by Concannon, Brooks and Doswell, presented at the American Meteorological Society in Long Beach, CA 1/8/00: Climatological Risk of Strong and Violent Tornadoes in the United States Wisconsin Tornado Outbreak of August 18, 2005		Change Detection and Mapping Compare Before and After with our Flash Visualization Tool to fade from one satellite view to the other. The entire 40 km path of the Siren Tornado is shown in a very large satellite image (26.1 MB PNG ) from the Landsat 7 scene acquired the morning just after the event. Before image (2.6 MB jpeg) Change image (1.0 MB jpeg) Georeferenced data for mapping with GIS software. can be downloaded as geotifs registered in the Wisconsin Transverse Mercator Coordinate System: Damage swath/change detection (0.8 MB geotif ) June 19, 2001 Landsat 7 (19.0 MB geotif) May 18, 2001 Landsat 7 (19.0 MB geotif) To request more information on incorporating satellite image data into GIS layers and maps, contact the ERSC Tornado Response Team.