January 2016

Annual Global Analysis for 2015 2015 was by far the warmest year in the record

NOAA/NASA

ThomasR.KarlDirector,NOAA’sNa0onalCentersforEnvironmentalInforma0on

GavinA.SchmidtDirector,NASA’sGoddardIns0tuteforSpaceStudies

January2016NOAA/NASA–AnnualGlobalAnalysisfor2015 2

NASA 2015 Global Temperature 2015:0.87°C/1.57°Fabove1951-80averageWarmestyearofNASAGISTEMPrecord

GISTEMPAnnual2015Baseline1951-1980

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NOAA 2015 Global Temperature 0.90ºC / 1.62ºF above 1901-2000 average; warmest year of record

USA(CONUS)2ndwarmestyear3rdweSestyear

Spain,Finlandwarmestyear

Austria,France,Germany,

Netherlandsamongfive

warmestyears

Australia5thwarmestyear

ArgenDna2ndwarmestyear

ConDnentalTemperatures

recordsbegin1910

Asia,S.Americawarmestyear

Africa,Europe2ndwarmestyear

N.America5thwarmestyear

Oceania6thwarmestyear

NorthAtlanDcPersistentcool

anomaly

TropicalPacificElNinodevelops

NEPacificThe“blob”persists

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El Niño and Global Temperature

MonthswithLaNiñasea-surfacetemperaturecondi\onsinblueMonthswithElNiñosea-surfacetemperaturecondi\onsinred

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Global Temperature Time Series 1.62°Fwarmerthan20thcenturyaverage

January2016NOAA/NASA–AnnualGlobalAnalysisfor2015 6

Global Analyses Side by Side NASA,NOAA,MetOffice:rela\vetoacommon1951–80baseperiod

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2015 Versus the Warmest Years annual temperature departures ranked coolest to warmest

using a common 1951-80 base period

NOAA NOAA(inset)2015(1st)0.29°Fwarmerthan2014(2nd)2014(2nd)0.07°Fwarmerthan2010(3rd)

NASA NASA(inset)2015(1st)0.23°Fwarmerthan2014(2nd)2014(2nd)0.04°Fwarmerthan2010(3rd)

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2015 by the Month

Tenof2015’smonthlyglobaltemperatures\edorbrokeexis\ngrecords

MayreplacethiswiththeGavinmonth-by-monthgraphic

NOAAGlobalTemp

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2015 by the Month Comparison to 2014, 2010 and previous warmest months on record

NASAGISTEMP

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Looking at the Atmosphere •  Middle Troposphere (37 yr record)

–  UAH: 3rd warmest –  UW-UAH: 3rd warmest –  RSS: 4th warmest –  UW-RSS: 3rd warmest –  NESDIS STAR: 5th warmest

•  Lower Troposphere (37 yr record) –  UAH: 3rd warmest –  RSS: 3rd warmest

•  Radiosonde data (58 yr record) –  ~5,000 ft (850mb): 2nd warmest –  ~10,000 ft (700mb): 3rd warmest –  ~18,000 ft (500mb): warmest –  ~30,000 ft (300mb): 2nd warmest –  ~40,000 ft (200mb): 14th warmest

January2016NOAA/NASA–AnnualGlobalAnalysisfor2015 11

ThomasR.KarlDirector,NOAA’sNa0onalCentersforEnvironmentalInforma0on

GavinA.SchmidtDirector,NASA’sGoddardIns0tuteforSpaceStudies

QuesDons?