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• National Overview
• Drought
• Wildfires
• Hurricanes & Tropical Storms
• National Snow & Ice
• Tornadoes
• Synoptic Discussion

• Global Analysis
• Upper Air
• Global Snow & Ice
• Global Hazards

U.S. Products

• Climate At A Glance
• Temperature and Precipitation Maps
• Weekly Maps
• Daily ASOS Maps
• Societal Impacts
  • Crop Moisture Stress Index (CMSI)
  • Residential Energy Demand Temperature Index (REDTI)
  • Air Stagnation Index
  • Convective Sigmets (CSIG)
  • U.S. Wind Climatology

Global Products

• Global Climate At a Glance
• Global Temperature Anomalies
• Global Temperature and Precip:
  2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000
• Monthly Teleconnection Indices
• El Niño / Southern Oscillation (ENSO)
• Weekly Sea Surface Temperature Maps
• Sea Surface Temperature Datasets
• Extended Reconstructed SST Version 3b Dataset: (ASCII) (netCDF)
• MSU Upper Air
• In Situ Upper Air (RATPAC)

Drought Monitoring

• Current U.S. Drought Monitor Map
• North American Drought Monitor
• National Integrated Drought Information System (NIDIS)
• Drought Monitoring Tools
• Drought Termination in the U.S.
• U.S. Palmer Drought Indices
  • Weekly Index
  • Current Monthly Index
  • Historical Palmer Maps
  • Historical Palmer Data Files
  • Original Palmer (1965) Article (PDF)
  • Modified Palmer Index (1991) Article (PDF)
• U.S. Standardized Precipitation Index
• U.S. State & Regional Precipitation Status
• Drought Workshops

U.S. and Global Extremes

• ThreadEx
• U.S. Climate Extremes Index (CEI)
• National Climate Extremes Committee (NCEC)
• Global Hazards and Extremes
• North America Climate Extremes Monitoring
• Extreme Weather and Climate Events
• U.S. Records
• Extreme Climates in the U.S.

Hurricanes/Tropical Storms

• Tropical Cyclone Summaries by Basin
• Atlantic Hurricane Climatology
• Hurricanes Maps and Special Reports
• International Best Track Archive for Climate Stewardship (IBTRACS)

Tornadoes

• Tornado Climatology
• Tornado Myths, Facts and Safety

Snow and Ice Data

• U.S. Snow Monitoring
• U.S. Snow Climatology
• The Northeast Snowfall Impact Scale (NESIS)
• 2004 SNOW/Data Users' Workshops

Download U.S. Temperature, Precipitation, and Drought Data

• Access Data
• Data Descriptions
  • Divisional
  • Statewide/Regional/National
  • Palmer Drought Indices

Special Reports

• Spring 2011 U.S. Climate Extremes
• 2009-2010 Cold Season
• Midwestern U.S. 2008 Flood Overview
• August 2007 U.S. Heatwave
• April 2007 U.S. cold event
• Hurricane Wilma
• Hurricane Rita
• Hurricane Katrina
• July 2000 Western U.S. Wildfires
• Hurricane Floyd
• July 1999 Midwest Region Climate Report
• Hurricane Mitch

Other Products

• Did You Know?
• CMB - Frequently Asked Questions
• Global Climate Change Indicators
• Global Climate Change Reports
• Global Surface Temperature Trends
• NSIDC Arctic and Antarctic Sea Ice
• Climatic Extremes
• U.S. Gridded Population
• Stratospheric Ozone
• U.S. Heat Stress Index Data
• U.S. Air Stagnation Index
• Hazards Support
• U.S. Climate Regions
• U.S. Climate Divisions