Gridded Datasets, including models and North American Regional Reanalysis

• Graphics web site for GFS and full-resolution Meso-Eta data
• Graphics web site for North American Regional Reanalysis
• explanatory email

NOAA/Climate Diagnostics Center

• Search for Climate Data at CDC
• Interactive plotting and analysis pages
• 6-h NCEP/NCAR Reanalysis
• 6-h NCEP/NCAR Reanalysis: Plotting (Beta version)
• CPC U.S. Unified Precipitation, gridded dataset (CDC)

Western U.S.

• MesoWest (University of Utah)
• Western Region Climate Center (Desert Research Institute)
• University of Utah Facility for Remote Sensing Ruby Lidar data

Global Resources/Clearinghouses

• NCDC
• National Data Buoy Center
• SCD Data Support Section (NCAR)
• NOAAServer: Access to Distributed NOAA Data and Information (ESDIM)
• Where to find weather and climate information (FAQs.org)
• Climate Data Portal (java download) (PMEL)
• EPIC Web Page (PMEL)
• DODs (CDC)
• EPIC Software (PMEL)
• NonCDC plotting sites
• Earth Science datasets (GMU)
• Most Popular Digital ASCII Files (NCDC)
• Global Change Master Directory (NASA)
• Alicia's Data Archive web page (Alicia Wasula, SUNY Albany)

Severe Weather and Warm Season Convection

• Severe weather climatology (Harold Brooks, NSSL)
• Convective weather by month (sigmets) (NOAA/NESDIS)
• Database of U.S. tornadoes by state (Tornado Project)
• Severe weather reports archive (NCDC)
• Preliminary Storm Data publications (NCDC)
• Warm Season Precipitation Episodes (NCAR)
• Profiler data (FSL)
• Case Study Catalog (SPC)
• Severe Thunderstorm Events (SPC)
• Pat Burke's Bow Echo Climatology (NSSL)
• SVRPLOT2: Severe Weather Plotting Program and Data (SPC)
• WSR-88D Mesocyclone and Tornado Signature Case Study Page (NSSL SWAT)
• Level II WSR-88D Database (NSSL, OSF, NCDC, UCAR)

Tropical Weather, Cyclones, and Hurricanes

• Historical Hurricane Tracks tool (NOAA Coastal Services Center)
• TC Tracks databases' explanation file (NHC)
• Southern Indian and SW Pacific TC climatology tables (from JTWC)
• JTWC annual TC reports archive (from USN/NPMOC)
• Tropical American Pibals and Soundings (NSSL)

Air Chemistry and Pollution Data

• CAPITA (WUSTL)
• CASTNet (EPA)
• Historical Total Ozone Data (pre-1957) (Br?nimann)

Climate

• Climate Indices (NCEP FTP server)
• Climate Maps Of The United States (NCDC)
• International Historical Climate Data (NOAA Library)
• Cloud-net.org, European satellite data
• PATMOS AVHRR satellite data (NOAA)
• IR Satellite Imagery Tracking (NSSL)

NOAA Operational Model Archive and Distribution System (NOMADS)

• NOMADS Homepage (NCDC)
• NCDC Model Resources Homepage (NCDC)
• GRADS-DODS Server (NCDC)
• Real-time access to NWP data
• Model Output Statistics (MDL, NCEP) (How to use this data)

Archive of Climate-Scale Forecasts

• Climate Prediction Center Seasonal and Monthly Prognostic Map Discussion Forecasts for Climate Forecasts (NCEP CPC)

Weather

• Soundings (1989 to present) (University of Wyoming)
• Soundings (1939 to 1944) (Br?nimann)
• Historical Surface and Upper-Air Data (SPC)
• Daily Weather Maps (NOAA Library)
• NCEP/NCAR Reanalysis: Plotting (Brian Fiedler, OU)
• NCEP/NCAR Reanalysis: Plotting (Chris Godfrey, OU)
• 24-h Precipitation maps (HPC)
• Surface Reference Data Center: precipitation data (Univ. of Oklahoma EVAC)
• archived GOES imagery (NCDC)
• archived GOES (CIRA)
• Daily AVHRR SST imagery for the western Atlantic and the Gulf of Mexico (Rutgers University)
• One stop shop for U.S. government data of state, federal, and local geographic data (U.S. Government)
• NCDC Radar Data page (NCDC)

Trajectories

• Zeng and Fujinuma (EOS, 16 Nov. 2004 issue, p. 482)
• NOAA Air Resources Lab

Ice and Snow

• Recent Snowfall from Coop Observers (NCDC)
• Snow Data Assimilation System (SNODAS) Data Products at NSIDC (NWS/National Operational Hydrologic Remote Sensing Center)
• This Season's Snow Water Equivalent from National Snow Summary (NWS/National Operational Hydrologic Remote Sensing Center)
• An Electronic Atlas of Great Lakes Ice Cover Winters: 1973 - 2002 (NOAA/GLERL)

Datasets on /data at NSSL

• Surface datasets (DATSAV and TD-3280)
• Hourly Precipitation Data
• IPEX data
• NLDN Lightning data
• North American Raob data
• some real-time data from SPC (surface, models, satellite, nids radar, etc.)

Thanks to the following people for providing information about links: Cathy Smith (CDC), Mike Baldwin (CIMMS/NSSL), Roger Edwards (SPC), Christopher Godfrey (OU), Lance Bosart (SUNY Albany), David Reynolds (HPC), Elvira Brankov (NY State DEC), Greg Stumpf (NSSL), John Cortinas (CIMMS/NSSL), Alicia Wasula (SUNY Albany), Jim Steenburgh (University of Utah), Bob Rabin (NSSL/CIMSS), . . .