Severe Weather Data Inventory (SWDI)
The Severe Weather Data Inventory (SWDI) is an integrated database of severe weather records for the United States. SWDI enables a user to search through a variety of source data sets in the NCDC (now NCEI) archive in order to find records covering a particular time period and geographic region, and then to download the results of the search in a variety of formats. The formats currently supported are Shapefile (for GIS), KMZ (for Google Earth), CSV (comma-separated), and XML. The current data layers in SWDI are: Storm Cells from NEXRAD (Level-III Storm Structure Product); Hail Signatures from NEXRAD (Level-III Hail Product); Mesocyclone Signatures from NEXRAD (Level-III Meso Product); Digital Mesocyclone Detection Algorithm from NEXRAD (Level-III MDA Product); Tornado Signature from NEXRAD (Level-III TVS Product); Preliminary Local Storm Reports from the NOAA National Weather Service; Lightning Strikes from Vaisala NLDN.
- Cite dataset when used as a source.
- gov.noaa.ncdc:C00773
C00773
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Download Data |
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor | NOAA National Centers for Environmental Information
ncei.info@noaa.gov |
Dataset Point of Contact | Customer Engagement Branch
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce +1 828-271-4800 swdi.ncdc@noaa.gov |
Time Period | 1995-01-01 to Present |
Spatial Bounding Box Coordinates |
N: 72.0
S: 11.0
E: -65.0
W: 170.0
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Spatial Coverage Map |
General Documentation |
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Associated Resources |
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Publication Dates |
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Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns
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Dataset Progress Status | Ongoing - data is continually being updated |
Data Update Frequency | As needed |
Purpose | To provides user access to archives of several datasets critical to the detection and evaluation of severe weather. |
Dataset Citation |
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Cited Authors |
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Publishers |
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Theme keywords | Global Change Master Directory (GCMD) Science Keywords
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Data Center keywords | Global Change Master Directory (GCMD) Data Center Keywords
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Last Modified: 2023-06-23
For questions about the information on this page, please email: ncei.info@noaa.gov