-
Federal
US Historic Declination Calculator
National Oceanic and Atmospheric Administration, Department of Commerce —
This programs derives a table of secular change in magnetic declination for a specified point in the conterminous United States. It utilizes the USD polynomial and... -
Federal
Tropic of Cancer
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at... -
Federal
The NOAA NCEI Global Marine Microplastics Data Collection (1972-present)
National Oceanic and Atmospheric Administration, Department of Commerce —
Microplastics (i.e., plastics measuring less than 5mm) pollution is a growing problem affecting coastal communities, marine ecosystems, aquatic life, and human... -
Federal
Severe Weather Data Inventory (SWDI)
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
World Ocean Atlas 2023
National Oceanic and Atmospheric Administration, Department of Commerce —
World Ocean Atlas 2023 (WOA23) is a set of objectively analyzed (one degree grid and quarter degree grid) climatological fields of in situ temperature, salinity,... -
Federal
Prime Meridian
National Oceanic and Atmospheric Administration, Department of Commerce —
The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at... -
Federal
Historical Map & Chart Collection of NOAA's Nautical Charts, Hydrographic Surveys, Topographic Surveys, Geodetic Surveys, City Plans, and Civil War Battle Maps Starting from the mid 1700's
National Oceanic and Atmospheric Administration, Department of Commerce —
The Historical Map and Chart Collection of the Office of Coast Survey contains over 35000 historical maps and charts from the mid 1700s up through the 2020s,... -
Federal
NOAA Continuously Operating Reference Stations (CORS) Network NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Geodetic Survey (NGS), an office of NOAA's National Ocean Service, manages a network of Continuously Operating Reference Stations (CORS) that provide... -
Federal
U.S. 15 Minute Precipitation Data
National Oceanic and Atmospheric Administration, Department of Commerce —
U.S. 15 Minute Precipitation Data is digital data set DSI-3260, archived at the National Climatic Data Center (NCDC). This is precipitation data. The primary source... -
Federal
NOAA Monthly U.S. Climate Divisional Database (NClimDiv)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset replaces the previous Time Bias Corrected Divisional Temperature-Precipitation Drought Index. The new divisional data set (NClimDiv) is based on the... -
Federal
World Magnetic Model High Resolution 2025
National Oceanic and Atmospheric Administration, Department of Commerce —
The World Magnetic Model High Resolution is a more detailed, accurate depiction of the geomagnetic field than the World Magnetic Model (WMM) because it has more... -
Federal
ETOPO 2022 15 Arc-Second Global Relief Model
National Oceanic and Atmospheric Administration, Department of Commerce —
ETOPO 2022, a global relief model with 15 arc-second resolution seamlessly integrating topographic and bathymetric data. The ETOPO 2022 model uses a combination of... -
Federal
NOAA Raster Navigational Charts (RNC) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA, National Ocean Service, Office of Coast Survey, Marine Chart Division is responsible to build and maintain a suite of more than 1000 nautical charts that are... -
Federal
U.S. Local Climatological Data (LCD)
National Oceanic and Atmospheric Administration, Department of Commerce —
Local Climatological Data (LCD) are summaries of climatological conditions from airport and other prominent weather stations managed by NWS, FAA, and DOD. The product... -
Federal
Daily Weather Records
National Oceanic and Atmospheric Administration, Department of Commerce —
These daily weather records were compiled from a subset of stations in the Global Historical Climatological Network (GHCN)-Daily dataset. A weather record is... -
Federal
Snowstorm Database
National Oceanic and Atmospheric Administration, Department of Commerce —
The Snowstorm Database is a collection of over 500 snowstorms dating back to 1900 and updated operationally. Only storms having large areas of heavy snowfall (10-20... -
Federal
Species Distribution: Tiger Shark - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains a collection of known point locations of tiger sharks identified via automated satellite tracking of tagged organisms. This can be useful for... -
Federal
U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020)
National Oceanic and Atmospheric Administration, Department of Commerce —
The Monthly Climate Normals for 1991 to 2020 are 30-year averages of meteorological parameters that provide users the information needed to understand typical climate...
Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.