Use the form below to select from a collection of monthly summaries recapping climate-related occurrences on both a global and national scale.

Global HazardsMay 2009

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• National
• Global

National

Assessing the U.S. Climate

Monthly assessment of the National Climate

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National Climate Report

An analysis of national temperatures and precipitation each month, placing the data into a historical perspective

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Drought Report

A monthly discussion of U.S. drought status, with narrative and graphics

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Wildfires Report

A summary of wildfires in the U.S. and related weather and climate conditions

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National Snow and Ice Report

A national view of snow and ice conditions by month, placing the data and significant events into a historical perspective

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Tornadoes Report

A summary of tornadic activity in the Contiguous U.S.

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Synoptic Discussion

A summary of synoptic activity in the U.S.

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Global

Assessing the Global Climate

Monthly assessment of the Global Climate

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Global Climate Report

An analysis of global temperatures and precipitation, placing the data into a historical perspective

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Global Drought Narrative

A monthly narrative on the state of global drought

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Regional Analysis

A summary of global regional temperature anomalies, placing the data into a historical perspective

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Upper Air Report

Tropospheric and stratospheric temperatures, with data placed into historical perspective

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Tropical Cyclones Report

A breakdown of hurricanes, typhoons, cyclones, and tropical storms across the globe

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Global Snow and Ice Report

A global view of snow and ice, placing the data into a historical perspective

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Discontinued

Global Hazards

Weather-related hazards and disasters around the world

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El Niño/Southern Oscillation

Atmospheric and oceanic conditions related to ENSO

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Summer 1998
Global Hazards

Global Hazards for June-August 1998

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Annual 1998
Global Hazards

Global Hazards for Annual 1998

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January 1999
Global Hazards

Global Hazards for January 1999

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February 1999
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Global Hazards for February 1999

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March 1999
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Global Hazards for March 1999

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April 1999
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Global Hazards for April 1999

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May 1999
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Global Hazards for May 1999

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June 1999
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Global Hazards for June 1999

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July 1999
Global Hazards

Global Hazards for July 1999

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August 1999
Global Hazards

Global Hazards for August 1999

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September 1999
Global Hazards

Global Hazards for September 1999

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October 1999
Global Hazards

Global Hazards for October 1999

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November 1999
Global Hazards

Global Hazards for November 1999

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January 2000
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Global Hazards for January 2000

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February 2000
Global Hazards

Global Hazards for February 2000

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March 2000
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Global Hazards for March 2000

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April 2000
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Global Hazards for April 2000

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May 2000
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Global Hazards for May 2000

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June 2000
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Global Hazards for June 2000

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July 2000
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Global Hazards for July 2000

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August 2000
Global Hazards

Global Hazards for August 2000

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September 2000
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Global Hazards for September 2000

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October 2000
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Global Hazards for October 2000

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November 2000
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Global Hazards for November 2000

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December 2000
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Global Hazards for December 2000

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January 2001
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Global Hazards for January 2001

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February 2001
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Global Hazards for February 2001

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March 2001
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Global Hazards for March 2001

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April 2001
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Global Hazards for April 2001

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May 2001
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Global Hazards for May 2001

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June 2001
Global Hazards

Global Hazards for June 2001

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July 2001
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Global Hazards for July 2001

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August 2001
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Global Hazards for August 2001

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September 2001
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Global Hazards for September 2001

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October 2001
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Global Hazards for October 2001

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November 2001
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Global Hazards for November 2001

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December 2001
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Global Hazards for December 2001

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January 2002
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Global Hazards for January 2002

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February 2002
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Global Hazards for February 2002

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March 2002
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Global Hazards for March 2002

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April 2002
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Global Hazards for April 2002

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May 2002
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Global Hazards for May 2002

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June 2002
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Global Hazards for June 2002

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July 2002
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Global Hazards for July 2002

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August 2002
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Global Hazards for August 2002

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September 2002
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Global Hazards for September 2002

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October 2002
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Global Hazards for October 2002

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November 2002
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Global Hazards for November 2002

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December 2002
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Global Hazards for December 2002

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January 2003
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Global Hazards for January 2003

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February 2003
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Global Hazards for February 2003

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March 2003
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Global Hazards for March 2003

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April 2003
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May 2003
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Global Hazards for May 2003

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June 2003
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July 2003
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Global Hazards for July 2003

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August 2003
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Global Hazards for August 2003

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September 2003
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Global Hazards for September 2003

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October 2003
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Global Hazards for October 2003

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November 2003
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Global Hazards for November 2003

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December 2003
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Global Hazards for December 2003

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January 2004
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Global Hazards for January 2004

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February 2004
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Global Hazards for February 2004

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March 2004
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Global Hazards for March 2004

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April 2004
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Global Hazards for April 2004

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May 2004
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Global Hazards for May 2004

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June 2004
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Global Hazards for June 2004

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July 2004
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Global Hazards for July 2004

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August 2004
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Global Hazards for August 2004

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September 2004
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Global Hazards for September 2004

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October 2004
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November 2004
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Global Hazards for November 2004

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December 2004
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Global Hazards for December 2004

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January 2005
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Global Hazards for January 2005

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February 2005
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Global Hazards for February 2005

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March 2005
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Global Hazards for March 2005

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April 2005
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Global Hazards for April 2005

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May 2005
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Global Hazards for May 2005

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June 2005
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Global Hazards for June 2005

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July 2005
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Global Hazards for July 2005

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August 2005
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Global Hazards for August 2005

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September 2005
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Global Hazards for September 2005

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October 2005
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Global Hazards for October 2005

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November 2005
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Global Hazards for November 2005

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December 2005
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Global Hazards for December 2005

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January 2006
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Global Hazards for January 2006

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February 2006
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Global Hazards for February 2006

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March 2006
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Global Hazards for March 2006

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April 2006
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Global Hazards for April 2006

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May 2006
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Global Hazards for May 2006

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June 2006
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Global Hazards for June 2006

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July 2006
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Global Hazards for July 2006

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August 2006
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Global Hazards for August 2006

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September 2006
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Global Hazards for September 2006

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October 2006
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Global Hazards for October 2006

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November 2006
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Global Hazards for November 2006

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December 2006
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Global Hazards for December 2006

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January 2007
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Global Hazards for January 2007

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February 2007
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Global Hazards for February 2007

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March 2007
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Global Hazards for March 2007

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April 2007
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Global Hazards for April 2007

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May 2007
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Global Hazards for May 2007

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June 2007
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Global Hazards for June 2007

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July 2007
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Global Hazards for July 2007

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August 2007
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Global Hazards for August 2007

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September 2007
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Global Hazards for September 2007

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October 2007
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Global Hazards for October 2007

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November 2007
Global Hazards

Global Hazards for November 2007

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December 2007
Global Hazards

Global Hazards for December 2007

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January 2008
Global Hazards

Global Hazards for January 2008

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February 2008
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Global Hazards for February 2008

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March 2008
Global Hazards

Global Hazards for March 2008

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April 2008
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Global Hazards for April 2008

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May 2008
Global Hazards

Global Hazards for May 2008

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June 2008
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Global Hazards for June 2008

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July 2008
Global Hazards

Global Hazards for July 2008

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August 2008
Global Hazards

Global Hazards for August 2008

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September 2008
Global Hazards

Global Hazards for September 2008

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October 2008
Global Hazards

Global Hazards for October 2008

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November 2008
Global Hazards

Global Hazards for November 2008

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December 2008
Global Hazards

Global Hazards for December 2008

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January 2009
Global Hazards

Global Hazards for January 2009

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February 2009
Global Hazards

Global Hazards for February 2009

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March 2009
Global Hazards

Global Hazards for March 2009

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April 2009
Global Hazards

Global Hazards for April 2009

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May 2009
Global Hazards

Global Hazards for May 2009

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June 2009
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Global Hazards for June 2009

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July 2009
Global Hazards

Global Hazards for July 2009

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August 2009
Global Hazards

Global Hazards for August 2009

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September 2009
Global Hazards

Global Hazards for September 2009

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October 2009
Global Hazards

Global Hazards for October 2009

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November 2009
Global Hazards

Global Hazards for November 2009

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December 2009
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Global Hazards for December 2009

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January 2010
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Global Hazards for January 2010

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February 2010
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Global Hazards for February 2010

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March 2010
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Global Hazards for March 2010

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April 2010
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Global Hazards for April 2010

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May 2010
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Global Hazards for May 2010

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June 2010
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Global Hazards for June 2010

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July 2010
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Global Hazards for July 2010

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August 2010
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Global Hazards for August 2010

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September 2010
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Global Hazards for September 2010

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October 2010
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Global Hazards for October 2010

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November 2010
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Global Hazards for November 2010

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December 2010
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Global Hazards for December 2010

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January 2011
Global Hazards

Global Hazards for January 2011

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February 2011
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Global Hazards for February 2011

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March 2011
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Global Hazards for March 2011

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April 2011
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Global Hazards for April 2011

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May 2011
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Global Hazards for May 2011

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June 2011
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Global Hazards for June 2011

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July 2011
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Global Hazards for July 2011

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August 2011
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Global Hazards for August 2011

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September 2011
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Global Hazards for September 2011

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October 2011
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Global Hazards for October 2011

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November 2011
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Global Hazards for November 2011

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December 2011
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Global Hazards for December 2011

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January 2012
Global Hazards

Global Hazards for January 2012

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February 2012
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Global Hazards for February 2012

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March 2012
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Global Hazards for March 2012

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April 2012
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Global Hazards for April 2012

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May 2012
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Global Hazards for May 2012

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June 2012
Global Hazards

Global Hazards for June 2012

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July 2012
Global Hazards

Global Hazards for July 2012

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August 2012
Global Hazards

Global Hazards for August 2012

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September 2012
Global Hazards

Global Hazards for September 2012

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October 2012
Global Hazards

Global Hazards for October 2012

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November 2012
Global Hazards

Global Hazards for November 2012

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December 2012
Global Hazards

Global Hazards for December 2012

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January 2013
Global Hazards

Global Hazards for January 2013

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February 2013
Global Hazards

Global Hazards for February 2013

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March 2013
Global Hazards

Global Hazards for March 2013

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April 2013
Global Hazards

Global Hazards for April 2013

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