Geosphere
Hydrosphere & cryosphere
- US Tsunami Warning Centers
- Surf forecast
- National Data Buoy Center (buoycams)
- Argo drift buoy array
- NWS Ocean Prediction Center
- Global tides/sea levels (qld.au, wa.au, .fr/.uk, .ie, .us; long-term)
- Aloha observatory in the Kaua‘i Deep (hydrophone); Monterey Bay
- Sea surface temperature (with anomaly & Hovmöller diagrams)
- GEOGloWS ECMWF Streamflow Hydroviewer
- Polar sea ice news & analysis (arctic map; change maps)
- Arctic sea ice graphs
- DTU (.dk)’s sea ice page
- SOI; ENSO diagnostic discussion
- JPL physical oceanography data (state of the ocean)
- US snow maps
Biosphere
- CTBTO on Twitter
- FIRMS global fires; .us, .au
- US soil moisture
- FEWS famine monitor
- Global drought conditions (SPI & VHI)
- AIS (commercial ship positions) (alternate, alternate)
- ADS-B (commercial aircraft positions) (alternate)
- NEON ecological observatories (US)
- Animal tracks: Movebank, NE Pacific predators, sharks, sea turtles
- Stock markets; US stocks by sector; futures (commodities &c.)
- Internet traffic
- Cell coverage
- Political violence
Atmosphere
- NCEP ensemble forecasts; GFS analyses & forecasts
- ECMWF forecasts
- Dark Sky forecast
- Nullschool particle trace map (GFS data)
- Climate Reanalyzer’s GFS now, with anomalies
- Mike’s Weather Page (many links)
- Jet stream analysis & forecasts
- National Hurricane Center
- Lightning (ground-based)
- CALIPSO lidar soundings
- CO2 concentration
- US smoke forecasts
- Ground-based air quality (with fires)
- Radiation monitors
- Grid electricity generation carbon intensity map
- Clear sky forecasts (North America)
- Crowdsourced meteor reports; all-sky camera network (alternate); report a fireball
- FluxNet micrometeorological towers
- Aeronet aerosol network
- NASA short-term weather (soil moisture, hyperspectral sounders, &c.)
Satellites
- GOES-R sectors; RAMMB Slider (full disk)
- JAXA/NICT Himawari-8 (full disk)
- EUMetSat (full disk)
- DSCOVR EPIC (full disk)
- GK2A
- NNVL Global Data Explorer (VIIRS &c.)
- EOSDIS Worldview (MODIS, VIIRS, & layers for fires, aerosols, &c.)
- VIIRS day/night band
- MODIS gridded over land (over Conus, various areas)
- ESA data portal
- Sentinel Playground
- Commercial satellite imagery footprints & thumbnails
- Astronaut Photography of Earth (latest)
- Meta: Satellite tracking (3D); upcoming launches; Deep Space Network activity; NASA TV
Extraterrestrial
- Sun: SDO; SOHO; STEREO
- Sun/Earth: SWPC space weather enthusiasts’ dashboard (aurora &c.); geomagnetic data links; radio propagation
- Mars: Opportunity, Curiosity, Mars Express, Perseverance; HiRISE
- Jupiter: JunoCam
California
Archives & guides
- NOAA National Centers for Environmental Information maps
- Climate Reanalyzer
- ORNL biogeochemical dynamics
- AMOS webcam database
- Map archives: Perry-Castañeda; Other Territories; LoC: prints & photos, Sanborns; Radical Cartography (mainly US thematic maps)
- CalTopo (US- & outdoor-oriented)
- Satellite & aerial data: Viewer of Viewers, EarthExplorer
- NASA Earthdata Search
- Synthetic aperture radar data: Vertex
- “Where to find rapidly released space image data”
- Awesome Public Datasets
- List of geophysics institutions
- Conus crops by species
- Open Data Inception