20th Century Reanalysis fields for November and December 2010 have been regenerated due to a misspecification of the sea surface temperature fields as of 25 May 2012. All derived files have been recomputed as of 18 June 2012. The re-run is supported by the US Department of Energy Office of Science

20th Century Reanalysis


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News Links

Apr 20th, 2013
Frontline: India's National Magazine: First independent confirmation of global land warming.
Apr 9th, 2013
NOAA Research News Releases: New study gives first independent confirmation of global land warming.
Apr 12th, 2013
Boulder Daily Camera: CU-Boulder-led study confirms warming, without thermometers.
Apr 10th, 2013
Scientific American:: New Method Proves-Again-Climate Change Is Real.
Mar 22th, 2013
The Globe and Mail: Predicting future climate change may lie in the past.
Feb 13th, 2013
WITN TV: Residents In The East Contributing To Weather Prediction. Cumulonimbus, a Canadian weather research company, is teaming up with meteorologists at the University of Washington to turn your smart phone and tablet in to a portable weather station....
Feb 5th, 2013
Weather Channel: Video: Ship Logs Document Climate Change.
Winter 2011/2
Illumination: U of Missouri online news: Ill wind, uncommon cold.
Oct 24, 2012
Launch of Old Weather Arctic Website: http://www.oldweather.org
Sep 13, 2012
The journal article World Meteorological Organization Assessment of the Purported World Record 58°C Temperature Extreme at El Azizia, Libya described at USA Today Story: Death Valley now the hottest spot in the world , the British Met office blog: Where's the hottest place on Earth? and Popular Mechanics: A Century Later, Death Valley Finally Sets a World Heat Record uses 20CR as part of the line of evidence.
Apr 7, 2012
NWS Amarillo Office, NOAA: The Panhandles' Only F5 Reconstructing the April 9, 1947 Higgins-Glazier Tornado
Feb 24, 2012
International Environmental Data Rescue Organization (IEDRO): Prevent Climate Change Research in US Dying from Lack of Financial Support
Feb 10, 2012
Scientific American: NOAA Halts Reconstruction of Past Climate
Jan 1, 2012
Scientific American: Volunteers Plug Holes in the Climate Record
Dec 1, 2011
Lucas Laursen, Journalist: Extreme Weather More Frequent in Northern Europe
Nov 10, 2011
Missourian: MU professor creates 3-D computer model to explain 1911 storm
Nov 9, 2011
International Environmental Data Rescue Organization (IEDRO): Recovering Weather Data from Arctic Expeditions
Oct 17, 2011
Wired Science:Transcending Time: Great Long-Term Datasets
Oct 11, 2011
GEO: Group on Earth Observations: How ACRE recovers historical weather data
Sep 28, 2011
Columbia Daily Tribune: PMU researchers examine 1911 day of wild weather.
Sep 15, 2011
Irish Weather Online: Project Seeks To Recreate The World's Past Climate
Sep 12, 2011
Geology Times: Recovering historical weather data
June 20, 2011
NERSC: NERSC Honored for HPC Innovations Excellence
May 23, 2011
Philidelphia Inquirer: Why has the weather gone cuckoo?
Feb 23, 2011
Washington Post: Global warming, extreme events and weird weather
Feb 23, 2011
Response: Letter to the Wall Street Journal Editor: Severe Weather Is Driven by Many Factors
Feb 22, 2011
Climate Central: When Weather and Climate Gets Cloudy
Feb 22, 2011
Weather Channel: Is the weather getting weirder or not?
Feb 10, 2011
Wall Street Journal: The Weather Isn't Getting Weirder
Response: Letter to the Wall Street Journal Editor: Severe Weather Is Driven by Many Factors
Feb 4, 2011
Climate Central: Old Weather is Shedding New Light on Climate
Feb 4, 2011
NYTimes Green Blog: Rescuing the Earth's Weather History.
Jan, 26 2011
Discovery News: An Atmospheric Time Machine.
Jan, 26 2011
Green Blorge: Researchers assemble climate data for the 20th Century Reanalysis Project.
Jan 24, 2011
EurekAlert: The 20th Century Reanalysis Project: A time machine for climate scientists.
Jan 3, 2011
KYGN Radio News: January 1886 Blizzards --125 years later
Jan 3, 2011
Baltimore Sun: Volunteers around world putting old weather data online
Nov 26, 2010
USA Today: Old ship logs fill in weather history of past 250 years
Nov 8, 2010
Science News: Mining the maritime past for clues to climate's future
Sep 30, 2010
Science Media Centre: 'Dirty Weather Diaries' Rescuing lost climate data from the past.
Aug 24, 2010
US Dept of Energy: War, Pandemics, and Climate: the 1918 El Niño.
May 14, 2010
ABC News: Weather records probed in climate study.
Feb 10, 2010
Climate Watch Magazine: Reconstructing Weather to Predict Climate
February 4, 2010
Discovery News: The big El Niño that nobody saw.
September 29, 2009
ASCR Newsletter: Reanalysis Project targets once-and-future weather.
Spring 2009
ESRL Newsletter: Reconstructing History: Understanding past weather events to improve climate forecasts.
April 1, 2009
AUSSMC: Weather Secrets of the past help predict the future.
March 25, 2009
NCCS: Modeling the Weather's Extreme Mood Swings.
September 2008
SciDAC Review: Bridging the Gap between Science and Weather.

Blog links

A blog link does mean PSD endorses either the blog itself or a particular blog article. We provide the link as a courtesy.
Apr 4, 2013
KGYN Radio news: NWS Dodge City: Revisiting the Spring Blizzard of 1938 -- 75 years later.
Apr 13, 2013
Skeptical Science: Are surface temperature records reliable? (advanced version) and intermediate version.
Apr 13, 2013
Watts Up With That: Global Warming Over Land Is Real: CU-Boulder, NOAA Study.
Apr 12, 2013
The Huffington Post (from Daily Camera): Global Warming Over Land Is Real: CU-Boulder, NOAA Study.
Apr 15, 2013
The Green Optimistic: NOAA Study Demonstrates Global Warming Over Land is Real.
Apr 8, 2013
Watts Up With That: A Preliminary Look at Compo et al (2013).
Apr 8, 2013
Skeptical Science: Land Surface Warming Confirmed Independently Without Land Station Data.
Apr 8, 2013
Ideas, Inventions And Innovations: Byrd Came Oh-So-Close, But Probably Didn't Reach North Pole
Dec 23, 2012
nationalcalamityeaster1913flood.blogspot'Our National Calamity': The Great Easter 1913 Flood
Oct 24, 2012
Outside MagazineHow long-dead Arctic explorers are helping to improve climate science
Oct 14, 2012
Way Too Much Weather: Ryan Hanrahan's Blog: Fujiwhara and Northeast Hurricanes
Mar 3, 2012
Old Weather Blog: Analysis of the oldWeather data
Nov 11, 2011
IEDRO: Recovering Weather Data from Arctic Expeditions
Jul 6, 2011
Old Weather Blog: New Zealand gets its money's worth.
Feb 23, 2011
Climate Central: When Weather and Climate Gets Cloudy