All purpose
NOAA/ESRL/PSD Interactive Plotting and Analysis
UAlbany DAES map discussion summaries
Observations and data sets
NWS WPC surface analyses and QPF maps
UAlbany surface potential temperature & mixing ratio maps
University of Wyoming constant pressure surface maps & archive
NOAA SPC surface & upper air map archive
SPC Hourly Mesoanalysis archive
Colorado State DIFAX chart archive
Iowa State archive data and plots
NOAA/NCEI analysis and forecast archive
NCAR/MMM case selection data archive
U.S. City Climate Comparison graph maker
OU CIMMS FLASH (Flooded Locations and Simulated Hydrographs)
NWS sounding climatology plots
CIMMS integrated total precipitable water
University of Wisconsin SSEC sea surface temperatures
University of Wyoming sounding page
NWS three-day weather observations
Radar and satellite
University of Washington satellite imagery
NOAA CIRA RAMMB Himawari viewer
NOAA NESDIS CIRA Tropical RAMSDIS online
NOAA NESDIS GIBBS satellite archive
SSEC @ University of Wisconsin-Madison MODIS archive
Models
Heather Archambault's GFS analyses and archive
Alicia Bentley's real-time GFS analyses and forecast maps
Tomer Burg's analyses and forecast maps
Tropical Tidbits forecast models
Tom Galarneau's real-time QG diagnostics
NCEP model output hourly time series
University of Utah Weather Center
University of Washington regional numerical weather prediction
NCEP/WPC standardized anomalies
Environment Canada Cloud Model
Hurricanes and tropical meteorology
RAP Tropical Cyclone Guidance Project
Live Atlantic basin reconnaissance
Radar loops of landfalling TCs
Global Tropical Moored Buoy Array
Kerry Emanuel's Hurricane Potential Intensity maps
Brian Tang's tropical cyclone guidance
Tropical cyclone track probability
NOAA AOML Hurricane Model Viewer
Kim Wood’s animations & Argo profiles
NOAA HFIP experimental real-time high-resolution TC forecasts
Paul Roundy's monitoring and prediction of tropical convection
Kyle MacRitchie's MJO & tropical wave tracking
Mike Ventrice's MJO, monsoon, and tropical wave monitoring
North Carolina State-CICS-NC monitoring of the MJO and tropical waves
Severe weather
SPC severe weather climatology
GFS-LAMP thunderstorm guidance
World Wide Lightning Location Network
Weather and climate blogs