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Daily Northern Hemisphere Sea Level Pressure Grids, continuing from 1899

| DOI: 10.5065/7NB6-RJ33

The 5-degree latitude/longitude grids contained in this dataset make up the longest continuous set of daily gridded Northern Hemisphere sea-level pressure data in the DSS archive. These grids have been assembled by DSS from the grids of various meteorological chart digitization projects and operational analyses. Grids begin in 1899 and cover the Northern Hemisphere from 15N to the North Pole. The dataset continues to be updated regularly as new data become available.

In the earlier years, there is one grid per day, but from July 1962 on, there are two grids per day. Prior to 1946, the original grids had a 10-degree resolution and the intermediate points were interpolated and indicated as such. Also in this period, there are times when large numbers of gridpoints are missing, particularly over the Asian continent. For more information, see the documentation about original data points.

Temporal Range:
1899-01-01 13:00 +0000 to 2024-07-21 12:00 +0000
Sea Level Pressure
Vertical Levels:
See the detailed metadata for level information.
Data Types:
Spatial Coverage:
Longitude Range: Westernmost=180W Easternmost=180E
Latitude Range: Southernmost=15N Northernmost=90N Detailed coverage information
Data Contributors:
National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
Marine Meteorology Division, Naval Research Laboratory, Monterey, U.S. Navy, U. S. Department of Defense
Met Office, Ministry of Defence, United Kingdom
Research Data Archive, Computational and Information Systems Laboratory, National Center for Atmospheric Research, University Corporation for Atmospheric Research
National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
National Weather Service, NOAA, U.S. Department of Commerce
Department of Earth, Atmospheric & Planetary Sciences, Massachusetts Institute of Technology
Total Volume:
142.93 MB
Data Formats:
Related RDA Datasets:
Monthly Northern Hemisphere Sea-Level Pressure Grids, continuing from 1899
More Details:
View a more detailed summary of the data, including specific date ranges and locations by parameter
Metadata Record:
Data License:
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