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  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    Kathryn Sullivan, Ph.D, Acting Under Secretary of Commerce for Oceansand Atmosphere and NOAA Administrator

    Thomas R. Karl, L.H.D., Director, NOAAs National Climatic Data Center,and Chair of the Subcommittee on Global Change Research

    Jessica Blunden, Ph.D., Scientist, ERT Inc., Climate Monitoring Branch,NOAAs National Climatic Data Center

    Kate Willett, Ph.D., Senior Scientist, Met Office Hadley Centre

    Jackie Richter-Menge, Research Civil Engineer, U.S. Army Corps ofEngineers, Cold Regions Research and Engineering Laboratory

  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter 2StateoftheClimatein2012

    WhatistheImportanceofthisReport?

    Surveysthechangingstateandbehaviorofthephysicalclimatesystemeveryyearintendedtobeanannualscorecard

    Bringstogetherinformationaboutthemanypartsoftheclimatesysteminto

    onesingle

    document

    Doesnotprovideattributionorcontainforecasts,scenarios,orprojections

    Providesreferencematerialforunderstandingscienceandeffectsofclimateoneconomic,social,andnaturalsystems

    This is the 23rd annual State of the Climate report

  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter 3StateoftheClimatein2012

  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter 4StateoftheClimatein2012

    WhoPutstheReportTogether?

    384authorsfrom52countries

    17editorson3continents

    384authorsfrom52countries

    17editorson3continents

    IttakesmorethanavillagetounderstandEarthsclimatesystem

    andtheimpactsthatweatherandclimatehavearoundtheworld.

    Atmosphere Snow & IceOceansLand

    Manyscientists

    from

    many

    disciplines

    contribute

    to

    fitting

    the

    pieces

    together.

  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter

    Includescountrysummariesoftheannualclimateformorethan120

    countriesandterritoriesacrosstheglobe

    5

    Summariesinclude:

    Temperature

    Precipitation

    Notableclimateevents

    Climatologicalimpacts

    of

    extreme

    orunusualweathereventssuchas

    droughts,flooding,heatwaves,or

    coldsnaps

    StateoftheClimatein2012

    Precipitation information for the Sahel during J uneSeptember 2012. The regionhad its wettest rainfallseason in the past half century.

  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter 6StateoftheClimatein2012

    GlobalClimate

    Temperature HydrologicalCycle AtmosphericCirculation EarthsRadiationBudget AtmosphericComposition LandSurfaceProperties

    GlobalOceans SeaSurfaceTemperature

    HeatContentandFluxes Salinity OceanCurrents SeaLevel

    Global

    Ocean

    Carbon

    Cycle

    TheTropics

    El

    Nio

    /

    Southern

    Oscillation TropicalCyclones Intertropical ConvergenceZones AtlanticMultidecadal Oscillation IndianOceanDipole

    TheArctic Atmosphere Ocean SeaIce Land Greenland

    Antarctica Circulation WeatherObservation Precipitation SeaIce OzoneDepletion

    Chapters describe various climate indicators and other climate phenomena

  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter 7

    Averageglobalsealevelreachedarecordhighin

    2012.Totalsealevelhasincreasedatanaverage

    rateof3.2mmperyearsince1993.

    Heatcontentintheupper2,300feetoftheocean

    remainednearrecordhighvaluesin2012.Overall

    increaseswerealsoobservedinthedeepoceanbelow.

    Upper Ocean Heat Content Sea Level Rise

    Global Ocean Surface Temperature

    Globalaverageoceansurfacetemperaturewashigherthanthe19812010averageandhasbeenforatleastadecade.

    StateoftheClimatein2012

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter

    Lowerstratospherictemperaturesfor2012wererecordcoldestto8th coldestsince

    recordsbegan

    in

    1979

    (satellites)

    and

    1958

    (radiosondes)

    Lowertropospherictemperaturesfor2012were8th to11th warmestsincesatelliteandradiosonderecordsbegan

    Surfacetemperatures

    for

    2012

    were

    8th to

    9th warmestsincerecordsbeganinmidto

    late1800s

    Continuedwarmthatthesurface

    andinthetropospherewith

    continuedcoldinthestratosphere

    8

    Lower Stratospheric Temperature

    Lower Tropospheric Temperature

    Surface Temperature

  • 7/30/2019 State of the Climate 2012 Webinar Briefing Slides

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter

    Globalmeancarbondioxide(CO2)reached

    392.6ppm,a2.1ppmincreasefrom2011

    Globalmean

    methane

    (CH4)

    reached

    1808.5

    ppb,a5.1ppbincreasesince2011

    Globalmeannitrousoxide(N2O)reached

    325ppb,a0.8ppbincreasesince2011

    Additionalradiative

    forcing

    from

    greenhouse

    gasesabovepreindustrialtimesisnow

    2.88Wm2,a32%increasesince1990

    9StateoftheClimatein2012

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter

    Therewererecordwarmpermafrosttemperatures

    intheAlaskanArcticandCanadianArchipelago

    alongsideongoing warmingandincreasingActive

    LayerThickness.

    10StateoftheClimatein2012

    Preliminarydatasuggeststhat2012

    willbe

    the

    22nd consecutive

    year

    of

    negativeglaciermassbalance.

    Photo Credit: Vladimir E. Romanovsky

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter

    SurfacetemperaturesintheArcticareincreasingatarateabouttwo

    times

    faster

    than

    the

    rest

    of

    the

    world.11

    +6-6 0

    ( oC )

    Temperatureanomaly(Celsius)for

    October2011September2012

    relativetothe19812010average

    Figure by NOAA

    Temperatureanomaly(Celsius) for

    20012011relativeto19712000

    StateoftheClimatein2012

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter

    J une 2012 snow extent anomaly on land

    relative to 19712000

    Sea ice extent on 16 September 2012Rare, near-ice sheet-wide

    surface melt event on 11 J uly 2012

    Numerousrecordmelteventsobservedfor:

    Permafrosttemperatures

    Springsnowcoverextent

    Summerseaicecover

    Manyoftheseeventswererelatedtoastrongandpersistentsoutherlyairflowinto

    theArcticinspringandsummer.

    12StateoftheClimatein2012

    Greenlandicesheet

    Lakeicebreakup

    CanadianArcticglaciersandicecaps

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter 13

    Drasticandpersistent

    reductioninextentof

    summerseaicecoverin

    coastalmargins

    Warmingofocean

    surfaceinregionsof

    openwater

    Increasein

    tundra

    vegetationandocean

    primaryproductivityin

    coastalregions

    StateoftheClimatein2012

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    NOAAsNationalClimaticDataCenterAugust2013 NOAAsNationalClimaticDataCenter

    The2012annualglobaltemperatureacrosslandandoceansurfaceswasamongthe10warmestyearsonrecord

    Severalimportant

    indicators set

    new

    records

    orwerenearrecordlevelsduringtheyear:

    Greenhousegaslevels

    Lowerstratospherictemperatures

    Oceanheatcontent

    Sealevelrise

    LatespringNorthernHemispheresnowcoverextent

    Arcticminimumseaiceextent

    Permafrosttemperatures

    TheArcticcontinuedtowarmfasterthantherestoftheglobe.Impactsfromthewarmthwereunprecedentedin2012

    14StateoftheClimatein2012

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    NOAAsNationalClimaticDataCenterAugust2013

    LinktoFullReportandTodaysPresentation:

    http://www.ncdc.noaa.gov/bamsstateoftheclimate/2012.php

    ReportHighlights:

    http://www.climate.gov/newsfeatures/understandingclimate/stateclimate2012highlights

    NOAAsNationalClimaticDataCenter: www.ncdc.noaa.gov

    U.S.ArmyCorpsofEngineers,PolarResearchandEngineering

    Lab: http://polar.crrel.usace.army.mil/

    UKMetOfficeClimate: http://www.metoffice.gov.uk/climatechange

    ClimatePortal:www.climate.gov

    MediaContacts:

    [email protected],2024071298(NOAA/Comms)

    [email protected],8282573136(NOAA/NCDC)