Database of Tornado, Large Hail, and Damaging Wind Reports, 1950-2006

Dataset Summary

Agency:	Department of Commerce
Sub-Agency:	National Oceanic and Atmospheric Administration
Category:	Geography and Environment
Date Released:	unknown
Date Updated:	Annual
Time Period:	Annual
Frequency:	Annual
Description:	The National Weather Service (NWS) Storm Prediction Center (SPC) routinely collects reports of severe weather and compiles them with public access from the database called SeverePlot (Hart and Janish 1999) with a Geographic Information System (GIS). The composite SVRGIS information is made available to the public primarily in .zip files of approximately 50MB size. The files located at the access point contain composite track information regarding tornados, large hail, and damaging winds for the period 1950-2006. Although available to all, the data provided may be of particular value to weather professionals and students of meteorological sciences. An instructional manual is provided on how to build and develop a basic severe weather report GIS database in ArcGis and is located at the technical documentation site contained in this metadata catalog. (more)

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Dataset Information

Data.gov Data Category Type	Raw Data Catalog
Specialized Data Category Designation	Geospatial
Keywords	historical, tornado, hail, damage, wind, shapefile, reported,federal datasets, federal data download,environment, Severe Weather, GIS,storms, thunderstorms,twister, funnel
Unique ID	46

Contributing Agency Information

Citation	http://www.srh.noaa.gov/gis/kml/
Agency Program Page	http://www.crh.noaa.gov/ind/?n=svrgis
Agency Data Series Page	http://www.crh.noaa.gov/ind/?n=svrgis

Dataset Coverage

Unit of Analysis	Storm
Granularity	Vector
Geographic Coverage	Northeast Pacific High Seas, Southeast Pacific High Sears, northwestern South America, western Central America and Mexico, Western United States

Data Description

Collection Mode	Observations, radar, web, phone, email, radio
Data Collection Instrument	http://www.crh.noaa.gov/ind/?n=svrgis
Data Dictionary/Variable List	http://www.crh.noaa.gov/ind/?n=svrgis

Additional Dataset Documentation

Technical Documentation	http://www.crh.noaa.gov/ind/?n=svrgis
FGDC Compliance (Geospatial Only)	Yes
Additional Metadata	http://www.crh.noaa.gov/ind/?n=svrgis

OMB Control No. 3090-0284