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NOAA_US_Historical_Tornadoes (MapServer)

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Service Description: This map layer shows tornado touchdown points in the United States, Puerto Rico, and the U.S. Virgin Islands, from 1950 to 2004. Statistical data were obtained from the National Weather Service, Storm Prediction Center (SPC). The SPC data originate from the Severe Thunderstorm Database and the National Oceanic and Atmospheric Administration (NOAA) Storm Data publication. Tornado points show at a scale of 1:5,000,000 and larger. Tornado occurrences are colored by decade and sized by tornado strength based on the Fujita Scale. The national tornado tracks layer shows tornado tracks from 1950 – 2006 at a scale of 1:800,000 and larger.

Map Name: US Historical Tornadoes

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Dynamic Legend

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Layers: Description: This map layer shows tornado touchdown points in the United States, Puerto Rico, and the U.S. Virgin Islands, from 1950 to 2004. Statistical data were obtained from the National Weather Service, Storm Prediction Center (SPC). The SPC data originate from the Severe Thunderstorm Database and the National Oceanic and Atmospheric Administration (NOAA) Storm Data publication. Tornado points show at a scale of 1:5,000,000 and larger. Tornado occurrences are colored by decade and sized by tornado strength based on the Fujita Scale. The national tornado tracks layer shows tornado tracks from 1950 – 2006 at a scale of 1:800,000 and larger.

Copyright Text: National Weather Service, Storm Prediction Center / NOAA

Spatial Reference: 102100  (3857)


Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info: Supports Dynamic Layers: true

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



Child Resources:   Info   Dynamic Layer

Supported Operations:   Export Map   Identify   Find   Return Updates   Generate KML