NCEI Storm Events Database

NCEI Storm Events Database
Name	NCEI Storm Events Database

NCEI Storm Events Database The NCEI Storm Events Database is a centralized archive maintained by the National Oceanic and Atmospheric Administration and the National Centers for Environmental Information that catalogs observed hazards and severe weather incidents across the United States. It aggregates reports used by agencies such as the National Weather Service, Federal Emergency Management Agency, United States Geological Survey and researchers at institutions like the National Aeronautics and Space Administration and the Smithsonian Institution. The dataset supports decision-making for entities including the American Red Cross, National Science Foundation, Environmental Protection Agency and World Meteorological Organization partners.

Overview

The database records thousands of individual entries including tornadoes, hail storms, thunderstorm winds, winter storms and flooding incidents linked to precise state and county locations such as California, Texas, Florida, New York and Alaska. Users encounter metadata fields referencing agencies like the National Weather Service, Storm Prediction Center, Hydrometeorological Prediction Center and local offices of the National Climatic Data Center and NOAA. The collection underpins work at universities and laboratories including Massachusetts Institute of Technology, University of Oklahoma, Colorado State University, the U.S. Naval Research Laboratory and Oak Ridge National Laboratory.

Data Collection and Sources

Data are compiled from observations and reports submitted by organizations such as the National Weather Service, Local Emergency Management Agency, Law Enforcement Agencys, volunteer networks like SKYWARN and media outlets including The Weather Channel, Associated Press, Reuters, The New York Times and local newspapers in Los Angeles County and Cook County. Additional feeds originate from remote sensing programs run by NOAA Satellite and Information Service, NASA satellites like MODIS and GOES, and hydrologic gauges maintained by the United States Geological Survey. Field surveys conducted after events by teams affiliated with FEMA and academic centers at University of Oklahoma and Texas A&M University also contribute.

Event Classification and Coding

Each record uses classification schemes consistent with standards from the National Weather Service, Storm Prediction Center and international guidance from the World Meteorological Organization, applying damage scales such as the Enhanced Fujita Scale for tornadoes and established thresholds for hail size, wind speed and flash flooding. Entries include structured fields for event type, magnitude, beginning and ending times, and impact descriptors used by agencies like the Federal Emergency Management Agency, Centers for Disease Control and Prevention and the American Red Cross for disaster response and public-health planning. Coding conventions align with federal systems such as the Integrated Public Alert and Warning System and inform model inputs for research at National Center for Atmospheric Research and Lawrence Livermore National Laboratory.

Access, Tools, and Data Formats

Public access is provided through web interfaces and machine-readable downloads compatible with software ecosystems like R (programming language), Python (programming language), ArcGIS and QGIS, and is often used with datasets from the National Land Cover Database and USGS National Water Information System. Data are distributed in formats including CSV, shapefile and JSON suitable for integration with platforms such as Google Earth Engine, Esri ArcGIS Online and analytic tools from MATLAB and Tableau Software. Researchers from institutions like NOAA Cooperative Institutes, University of Washington, Cornell University and Penn State University commonly ingest the data for climatology, risk assessment and emergency-management studies.

Quality Control and Limitations

Quality control procedures involve verification steps from the National Weather Service and cross-referencing with observations from NEXRAD radar networks, satellite imagery from GOES and surface station data in the Global Historical Climatology Network. Limitations include underreporting in rural counties, temporal inconsistencies noted by scholars at University of Colorado Boulder and spatial biases highlighted by studies in journals affiliated with American Meteorological Society and Bulletin of the American Meteorological Society. Users should account for reporting lags that affect event totals used in analyses by the Centers for Disease Control and Prevention, Environmental Protection Agency and the Federal Highway Administration.

Uses and Applications

The dataset informs hazard mapping by agencies such as the Federal Emergency Management Agency and the U.S. Army Corps of Engineers, insurance modeling by firms linked to the Insurance Information Institute and catastrophe modeling firms, academic research at Princeton University, Harvard University and University of California, Berkeley, and operational forecasting at the National Weather Service and Storm Prediction Center. It supports legal and policy work in state capitols like Sacramento and Austin, resilience planning by municipal governments in New York City and Chicago, and international comparisons by organizations including the World Meteorological Organization and United Nations Office for Disaster Risk Reduction.

History and Development

The archive developed from legacy systems maintained by the National Climatic Data Center and predecessors within NOAA and has evolved alongside technological advances such as Doppler radar deployment, the operationalization of GOES satellites and improvements in digital reporting platforms used by the National Weather Service and affiliated research centers. Funding and programmatic changes have involved entities including the National Oceanic and Atmospheric Administration, U.S. Congress, National Science Foundation and cooperative institutes connected to universities such as University of Oklahoma and Colorado State University. Ongoing enhancements reflect collaborations with federal partners like the United States Geological Survey, FEMA and international bodies such as the World Meteorological Organization and Intergovernmental Panel on Climate Change.

Category:Climatological databases