​Upper air maps

• Current upper air maps, University of Wyoming
• Storm Prediction Center upper air maps
• Northern Hemisphere 500-mb map, Canadian Weather Service​​

Surface maps

• Current surface chart
• Interactive surface chart
• Ocean map charts
• Link to a suite of land/sea surface charts (The NWS "unified" surface analysis)
• Current TAFB analysis
• Different NOAA surface charts
• Temperature
• Dewpoint
• Theta-E
• COCORAS precipitation observations

Current radar

• National radar
• GIS radar version (current conditions as well as archives)
• NSSL's Multi-Radar Multi-Sensor (MRMS) product
• Weatherwise site . See this YouTube video for usage .

Current satellite

• NOAA satellite imagery
• NESDIS satellite imagery
• Tropical Tidbits satellite imagery

Vertical motion QG diagnostics courtesy Thomas Galarneau of CIMSS/NSSL

• ​Dr. Galarneau's general QG diagnostics
• Vertical motion associated with vertical change of vorticity advection from 900 to 500 mb
• Vertical motion associated with Laplacian of temperature advection at 700 mb
• Vertical motion combining two terms above from Omega equation
• Vertical motion from Trenberth thermal wind diagnostic at 700 mb​
• Q-vectors at 700-mb

Mesoscale analysis

• SPC mesoanalyses 
• UCAR Rap website

SkewTs

• WXCaster website
• SPC website
• University of Wyoming legacy website
• University of Wyoming
• HEAPs-derived

​
Impactful weather outlooks

• SPC homepage
• Weather Prediction Center - Winter Weather
• Flood Hazard Outlook

Hydrology

• Flood Inundation Mapping Service
• River Forecast Centers
• National Hydrological Assessments

International weather

• Europe weather maps --- analysis and forecast (courtesy of Free University of Berlin's Dept of Geoscience)
• West Pacific forecast charts (courtesy Hong Kong Observatory)
• Additional sites on weathercsi.net

Archive information

• Raw radar data
• NWS watches, warnings, and advisories
• Archived radar images
• SPC storm reports
• Weather surface map archives
• Daily weather maps back to 1871. Link to a talk on the history of weather maps here
• Archived METARs (courtesy Plymouth State University)
• Archived COCORAS precipitation reports
• Satellite archives (University of Wisconsin)
• NOAA satellite archives
• Plymouth State University weather archives (surface, satellite, radar, upper air, and model)
• Colorado State University links to archives (courtesy Andrea Schumacher; some links may be old)
• NCEI monthly climate reports
• NWS Damage Assessment Toolkit (DAT). This is a GIS-based framework used by meteorologists to collect, analyze, and map post-storm damage, particularly from tornadoes and convective winds. The tornado assessments include EF scale info.
• NOAA GeoPlatform (use link at: https://noaa.noaa.hub.arcgis.com/hub.arcgis.com/ then maybe use hamburger menu)
• NCEI Climate Data Online
• Amazon AWS may have access to weather and climate data