NOAA's CLASS is a digital library of real-time and historical satellite data from its polar-orbiting environmental satellites.
National Centers for Environmental Information
NOAA’s National Centers for Environmental Information provide historical weather, climate, ocean, and magnetic field data.
About National Centers for Environmental Information
The National Centers for Environmental Information (NCEI) is a NOAA program that provides historical weather, climate, ocean, and magnetic field data. It maintains an archive of oceanic, atmospheric, and geophysical data, adding over 229 terabytes each month from more than 130 observing platforms, and offers access through several platforms in a variety of formats.
Key features
- Archive of oceanic, atmospheric and geophysical environmental data
- Adds over 229 terabytes monthly from over 130 observing platforms
- Data delivered through several access platforms and formats
- Search for recent weather data in a chosen area
- Order fulfillment services for data requests
- Cloud migration of data and applications under way
Best for: Researchers, analysts, and planners who need historical weather, climate, ocean, or geophysical data from a U.S. federal archive.
Good for
- Covers climate, coastal, oceanographic and geophysical data in one archive
- Large ongoing intake of data from many observing platforms
- Provides access to archived data in multiple formats
Watch out for
- Cloud migration may cause temporary data access delays
- Order fulfillment services are currently intermittently degraded
National Centers for Environmental Information at a glance
- Website
- ncei.noaa.gov
- Category
- Research & Data › Climate & Environmental Data
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
National Centers for Environmental Information alternatives
Tools and sites you could use instead, ranked by how closely they match.
The National Weather Service Climate Prediction Center provides outlooks, monitoring, forecasts, and climate information.
NOAA's Atlantic laboratory studies the ocean, Earth, and atmosphere through research programs and observations.
AgTrials collects agricultural field-experiment data to study adaptation to climate change across farming contexts.
The space weather center provides data display and downloads for geomagnetic, ionospheric, solar, and related observations.
The World Data Center for Ionosphere and Space Weather archives and distributes ionospheric and space weather data.
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National Centers for Environmental Information FAQ
How much data does NCEI archive?
NCEI states that it archives over 229 terabytes of data each month from more than 130 observing platforms.
Are there current disruptions to NCEI services?
The site notes that a cloud migration may cause temporary data access delays, with intermittent degraded order fulfillment services as the current impact. An alerts page lists affected products and datasets.
Where can I get weather forecasts?
NCEI offers a search for recent weather data in your area, while weather forecasts are available through the National Weather Service.
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