The State of the Climate 2005 report summarizes global and regional climate conditions and places them, where possible, into the context of historical records. Descriptions and analyses of notable climatic anomalies, both global and regional, also are presented. According to the Smith and Reynolds global land and ocean surface temperature dataset in use at the NOAA National Climatic Data Center (NCDC), the globally averaged annual mean surface temperature in 2005 was the warmest since the inception of consistent temperature observations in 1880. Unlike the previous record positive anomaly of 1998 (+0.50°C), the 2005 global anomaly of 0.53°C above the 1961–90 mean occurred in the absence of a strong El Niño signal. The record ranking of 2005 was corroborated by a dataset maintained at NASA, while United Kingdom archives placed 2005 second behind 1998. However, statistically, the 2005 global temperature anomaly could not be differentiated from either 1998 or any of the past four years. The majority of the top 10 warmest years on record have occurred in the past decade, and 2005 continues a marked upward trend in globally averaged temperature since the mid-1970s. Lower-tropospheric temperature was the second warmest on record, with northern polar regions the warmest at 1.3°C above the 1979–98 mean.
Arndt, D. S.; Blunden, J.; Dunn, R. J. H.; Aaron-Morrison, A. P.; Abdallah, A.; Ackerman, S. A.; Adler, R.; Alfaro, E. J.; Allan, R. P.; Allan, R.; Alvarez, L. A.; Alves, L. M.; Amador, J. A.; Andreassen, L. M.; Arce, D.; Arguez, A.; Arzhanova, N. M.; Augustine, J.; Awatif, E.; Azorin-Molina, C.; Baez, J.; Bardin, M. U.; Barichivich, J.; Baringer, M. O.; Barreira, S.; Baxter, S.; Beck, H. E.; Becker, A.; Bedka, K. M.; Behrenfeld, M. J.; Bell, G. D.; Belmont, M.; Benedetti, A.; Bernhard, G. H.; Berrisford, P.; Berry, D. I.; Bettolli, M. L.; Bhatt, U. S.; Bidegain, M.; Biskaborn, B.; Bissolli, P.; Bjerke, J.; Blake, E. S.; Bosilovich, M. G.; Boucher, O.; Boudet, D.; Box, J. E.; Boyer, T.; Braathen, G. O.; Brimelow, J.; Bromwich, D. H.; Brown, R.; Buehler, S.; Bulygina, O. N.; Burgess, D.; Calderon, B.; Camargo, S. J.; Campbell, J. D.; Cappelen, J.; Caroff, P.; Carrea, L.; Carter, B. R.; Chambers, D. P.; Chandler, E.; Cheng, M. D.; Christiansen, H. H.; Christy, J. R.; Chung, D.; Chung, E. S.; Clem, K. R.; Coelho, C. A. S.; Coldewey-Egbers, M.; Colwell, S.; Cooper, O. R.; Copland, L.; Cross, J. N.; Crouch, J.; Cutie, V.; Davis, S. M.; de Eyto, E.; de Jeu, R. A. M.; de Laat, J.; deGasperi, C. L.; Degenstein, D.; Demircan, M.; Derksen, C.; di Girolamo, L.; Diamond, H. J.; Dindyal, S.; Dlugokencky, E. J.; Dohan, K.; Dokulil, M. T.; Dolman, A. J.; Domingues, C. M.; Donat, M. G.; Dong, S.; Dorigo, W. A.; Drozdov, D. S.; Duran-Quesada, A. M.; Dutton, G. S.; ElKharrim, M.; Elkins, J. W.; Epstein, H. E.; Espinoza, J. C.; Etienne-LeBlanc, S.; Famiglietti, J. S.; Farrell, S.; Fateh, S.; Fausto, R. S.; Feely, R. A.; Feng, Z.; Fenimore, C.; Fettweis, X.; Fioletov, V. E.; Flannigan, M.; Flemming, J.; Fogt, R. L.; Folland, C.; Fonseca, C.; Forbes, B. C.; Foster, M. J.; Francis, S. D.; Franz, B. A.; Frey, R. A.; Frith, S. M.; Froidevaux, L.; Ganter, C.; Gerland, S.; Gilson, J.; Gobron, N.; Goldenberg, S. B.; Goni, G.; Gonzalez, I. T.; Goto, A.; Greenhough, M. D.; Grooss, J. U.; Gruber, A.; Guard, C.; Gupta, S. K.; Gutierrez, J. M.; Haas, C.; Hagos, S.; Hahn, S.; Haimberger, L.; Hall, B. D.; Halpert, M. S.; Hamlington, B. D.; Hanna, E.; Hanssen-Bauer, I.; Hare, J.; Harris, I.; Heidinger, A. K.; Heim, R. R.; Hendricks, S.; Hernandez, M.; Hernandez, R.; Hidalgo, H. G.; Ho, S. P.; Hobbs, W. R.; Huang, B.; Huelsing, H. K.; Hurst, D. F.; Ialongo, I.; Ijampy, J. A.; Inness, A.; Isaksen, K.; Ishii, M.; Jevrejeva, S.; Jimenez, C.; Jin, X. Z.; John, V.; Johns, W. E.; Johnsen, B.; Johnson, B.; Johnson, G. C.; Johnson, K. S.; Jones, P. D.; Jumaux, G.; Kabidi, K.; Kaiser, J. W.; Kass, D.; Kato, S.; Kazemi, A.; Kelem, G.; Keller, L. M.; Kelly, B. P.; Kendon, M.; Kennedy, J.; Kerr, K.; Kholodov, A. L.; Khoshkam, M.; Killick, R.; Kim, H. J.; Kim, S. J.; Kimberlain, T. B.; Klotzbach, P. J.; Knaff, J. A.; Kochtubajda, B.; Kohler, J.; Korhonen, J.; Korshunova, N. N.; Kramarova, N.; Kratz, D. P.; Kruger, A.; Kruk, M. C.; Krumpen, T.; Lakatos, M.; Lakkala, K.; Lanckmann, J. P.; Lander, M. A.; Landschutzer, P.; Landsea, C. W.; Lankhorst, M.; Lantz, K.; Lazzara, M. A.; Leuliette, E.; Lewis, S. R.; L'Heureux, M.; Lieser, J. L.; Lin, II; Liu, H. X.; Liu, Y. H.; Locarnini, R.; Loeb, N. G.; Long, C. S.; Loranty, M.; Lorrey, A. M.; Loyola, D.; Lu, M. M.; Lumpkin, R.; Luo, J. J.; Luojus, K.; Lyman, J. M.; Macara, G.; Macdonald, A. M.; Macias-Fauria, M.; Malkova, G. V.; Manney, G.; Marchenko, S. S.; Marengo, J. A.; Marra, J. J.; Marszelewski, W.; Martens, B.; Martinez-Guingla, R.; Massom, R. A.; Mathis, J. T.; May, L.; Mayer, M.; Mazloff, M.; McBride, C.; McCabe, M. F.; McCarthy, G.; McCarthy, M.; McDonagh, E. L.; McGree, S.; McVicar, T. R.; Mears, C. A.; Meier, W.; Mekonnen, A.; Menezes, V. V.; Tsidu, G. M.; Menzel, W. P.; Merchant, C. J.; Meredith, M. P.; Merrifield, M. A.; Minnis, P.; Miralles, D. G.; Mistelbauer, T.; Mitchum, G. T.; Mitro, S.; Monselesan, D.; Montzka, S. A.; Mora, N.; Morice, C.; Morrow, B.; Mote, T.; Mudryk, L.; Muhle, J.; Mullan, A. B.; Muller, R.; Nash, E. R.; Nerem, R. S.; Newman, L.; Newman, P. A.; Nieto, J. J.; Noetzli, J.; O'Neel, S.; Osborn, T. J.; Overland, J. E.; Oyunjargal, L.; Parinussa, R. M.; Park, E. H.; Pasch, R. J.; Pascual-Ramirez, R.; Paterson, A. M.; Pearce, P. R.; Pellichero, V.; Pelto, M. S.; Peng, L.; Perkins-Kirkpatrick, S. E.; Perovich, D.; Petropavlovskikh, I.; Pezza, A. B.; Phillips, C.; Phillips, D.; Phoenix, G.; Pinty, B.; Pitts, M. C.; Pons, M. R.; Porter, A. O.; Quintana, J.; Rahimzadeh, F.; Rajeevan, M.; Rayner, D.; Raynolds, M. K.; Razuvaev, V. N.; Read, P.; Reagan, J.; Reid, P.; Reimer, C.; Remy, S.; Renwick, J. A.; Revadekar, J. V.; Richter-Menge, J.; Rimmer, A.; Robinson, D. A.; Rodell, M.; Rollenbeck, R.; Romanovsky, V. E.; Ronchail, J.; Roquet, F.; Rosenlof, K. H.; Roth, C.; Rusak, J. A.; Sallee, J. B.; Sanchez-Lugo, A.; Santee, M. L.; Sarmiento, J. L.; Sawaengphokhai, P.; Sayouri, A.; Scambos, T. A.; Schemm, J.; Schladow, S. G.; Schmid, C.; Schmid, M.; Schoeneich, P.; Schreck, C. J.; Schuur, T.; Selkirk, H. B.; Send, U.; Sensoy, S.; Sharp, M.; Shi, L.; Shiklomanov, N. I.; Shimaraeva, S. V.; Siegel, D. A.; Signorini, S. R.; Silov, E.; Sima, F.; Simmons, A. J.; Smeed, D. A.; Smeets, C.; Smith, A.; Smith, S. L.; Soden, B.; Spence, J. M.; Srivastava, A. K.; Stackhouse, P. W.; Stammerjohn, S.; Steinbrecht, W.; Stella, J. L.; Stennett-Brown, R.; Stephenson, T. S.; Strahan, S.; Streletskiy, D. A.; Sun-Mack, S.; Swart, S.; Sweet, W.; Tamar, G.; Taylor, M. A.; Tedesco, M.; Thoman, R. L.; Thompson, L.; Thompson, P. R.; Timmermans, M. L.; Timofeev, M. A.; Tirnanes, J. A.; Tobin, S.; Trachte, K.; Trewin, B. C.; Trotman, A. R.; Tschudi, M.; Tweedy, O.; van As, D.; van de Wal, R. S. W.; van der Schalie, R.; van der Schrier, G.; van der Werf, G. R.; van Meerbeeck, C. J.; Velicogna, I.; Verburg, P.; Vieira, G.; Vincent, L. A.; Vomel, H.; Vose, R. S.; Wagner, W.; Wahlin, A.; Walker, D. A.; Walsh, J.; Wang, B.; Wang, C. Z.; Wang, J. H.; Wang, L.; Wang, M.; Wang, S. H.; Wanninkhof, R.; Watanabe, S.; Weber, M.; Weller, R. A.; Weyhenmeyer, G. A.; Whitewood, R.; Wiese, D. N.; Wijffels, S. E.; Wilber, A. C.; Wild, J. D.; Willett, K. M.; Willie, S.; Willis, J. K.; Wolken, G.; Wong, T.; Wood, E. F.; Woolway, R. I.; Wouters, B.; Xue, Y.; Yim, S. Y.; Yin, X. G.; Yu, L.; Zambrano, E.; Zhang, H. M.; Zhang, P. Q.; Zhao, G. G.; Zhao, L.; Ziemke, J. R.; Zilberman, N.;
Published Date:
2017
Series:
State of the Climate
Description:
In 2016, the dominant greenhouse gases released into Earth’s atmosphere—carbon dioxide, methane, and nitrous oxide— continued to increase and reach new record highs. The 3.5 ± 0.1 ppm rise in global annual mean carbon dioxide from 2015 to 2016...
In 2015, the dominant greenhouse gases released into Earth’s atmosphere—carbon dioxide, methane, and nitrous oxide—all continued to reach new high levels. At Mauna Loa, Hawaii, the annual CO2 concentration increased by a record 3.1 ppm, exceedi...
The year was characterized by a transition from a waning La Niña to a strengthening El Niño, which first developed in June. By December, SSTs were more than 2.0°C above average over large parts of the central and eastern equatorial Pacific. Eastwa...
From a global perspective, the annual average surface temperature in 2004 was the fourth highest value observed since regular instrumental records began in 1880. Global surface air temperatures in 2004 were 0.44°C (0.79°F) above the 1961–90 mean,...
Blunden, J.; Arndt, D. S.; Achberger, C.; Ackerman, S. A.; Albanil, A.; Alexander, P.; Alfaro, E. J.; Allan, R.; Alves, L. M.; Amador, J. A.; Ambenje, P.; Andrianjafinirina, S.; Antonov, J.; Aravequia, J. A.; Arendt, A.; Arevalo, J.; Ashik, I.; Atheru, Z.; Banzon, V.; Baringer, M. O.; Barreira, S.; Barriopedro, D. E.; Beard, G.; Becker, A.; Behrenfeld, M. J.; Bell, G. D.; Benedetti, A.; Bernhard, G.; Berrisford, P.; Berry, D. I.; Bhatt, U.; Bidegain, M.; Bindoff, N.; Bissolli, P.; Blake, E. S.; Booneeady, R.; Bosilovich, M.; Box, J. E.; Boyer, T.; Braathen, G. O.; Bromwich, D. H.; Brown, R.; Brown, L.; Bruhwiler, L.; Bulygina, O. N.; Burgess, D.; Burrows, J.; Calderon, B.; Camargo, S. J.; Campbell, J.; Cao, Y.; Cappelen, J.; Carrasco, G.; Chambers, D. P.; Chang'a, L.; Chappell, P.; Chehade, W.; Cheliah, M.; Christiansen, H. H.; Christy, J. R.; Ciais, P.; Coelho, C. A. S.; Cogley, J. G.; Colwell, S.; Cross, J. N.; Crouch, J.; Cunningham, S. A.; Dacic, M.; De Jeu, R. A. M.; Dekaa, F. S.; Demircan, M.; Derksen, C.; Diamond, H. J.; Dlugokencky, E. J.; Dohan, K.; Dolman, A. J.; Domingues, C. M.; Dong, S. F.; Dorigo, W. A.; Drozdov, D. S.; Duguay, C. R.; Dunn, R. J. H.; Duran-Quesada, A. M.; Dutton, G. S.; Ehmann, C.; Elkins, J. W.; Euscategui, C.; Famiglietti, J. S.; Fang, F.; Fauchereau, N.; Feely, R. A.; Fekete, B. M.; Fenimore, C.; Fioletov, V. E.; Fogarty, C. T.; Fogt, R. L.; Folland, C. K.; Foster, M. J.; Frajka-Williams, E.; Franz, B. A.; Frith, S. H.; Frolov, I.; Ganter, C.; Garzoli, S.; Geai, M. L.; Gerland, S.; Gitau, W.; Gleason, K. L.; Gobron, N.; Goldenberg, S. B.; Goni, G.; Good, S. A.; Gottschalck, J.; Gregg, M. C.; Griffiths, G.; Grooss, J. U.; Guard, C.; Gupta, S. K.; Hall, B. D.; Halpert, M. S.; Harada, Y.; Hauri, C.; Heidinger, A. K.; Heikkila, A.; Heim, R. R.; Heimbach, P.; Hidalgo, H. G.; Hilburn, K.; Ho, S. P.; Hobbs, W. R.; Holgate; Hovsepyan, A.; Hu, Z. Z.; Hughes, P.; Hurst, D. F.; Ingvaldsen, R.; Inness, A.; Jaimes, E.; Jakobsson, M.; James, A. I.; Jeffries, M. O.; Johns, W. E.; Johnsen, B.; Johnson, G. C.; Johnson, B.; Jones, L. T.; Jumaux, G.; Kabidi, K.; Kaiser, J. W.; Kamga, A.; Kang, K. K.; Kanzow, T. O.; Kao, H. Y.; Keller, L. M.; Kennedy, J. J.; Key, J.; Khatiwala, S.; Pour, H. K.; Kholodov, A. L.; Khoshkam, M.; Kijazi, A.; Kikuchi, T.; Kim, B. M.; Kim, S. J.; Kimberlain, T. B.; Knaff, J. A.; Korshunova, N. N.; Koskela, T.; Kousky, V. E.; Kramarova, N.; Kratz, D. P.; Krishfield, R.; Kruger, A.; Kruk, M. C.; Kumar, A.; Lagerloef, G. S. E.; Lakkala, K.; Lander, M. A.; Landsea, C. W.; Lankhorst, M.; Laurila, T.; Lazzara, M. A.; Lee, C.; Leuliette, E.; Levitus, S.; L'Heureux, M.; Lieser, J.; Lin, II; Liu, Y. Y.; Liu, Y.; Liu, H. X.; Liu, Y. J.; Lobato-Sanchez, R.; Locarnini, R.; Loeb, N. G.; Loeng, H.; Long, C. S.; Lorrey, A. M.; Luhunga, P.; Lumpkin, R.; Luo, J. J.; Lyman, J. M.; Macdonald, A. M.; Maddux, B. C.; Malekela, C.; Manney, G.; Marchenko, S. S.; Marengo, J. A.; Marotzke, J.; Marra, J. J.; Martinez-Guingla, R.; Massom, R. A.; Mathis, J. T.; McBride, C.; McCarthy, G.; McVicar, T. R.; Mears, C.; Meier, W.; Meinen, C. S.; Menendez, M.; Merrifield, M. A.; Mitchard, E.; Mitchum, G. T.; Montzka, S. A.; Morcrette, J. J.; Mote, T.; Muhle, J.; Muhr, B.; Mullan, A. B.; Muller, R.; Nash, E. R.; Nerem, R. S.; Newlin, M. L.; Newman, P. A.; Ng'ongolo, H.; Nieto, J. J.; Nishino, S.; Nitsche, H.; Noetzli, J.; Oberman, N. G.; Obregon, A.; Ogallo, L. A.; Oludhe, C. S.; Omar, M. I.; Overland, J. E.; Oyunjargal, L.; Parinussa, R. M.; Park, G. H.; Park, E. H.; Parker, D.; Pasch, R. J.; Pascual-Ramirez, R.; Pelto, M. S.; Penalba, O.; Peng, L.; Perovich, D. K.; Pezza, A. B.; Phillips, D.; Pickart, R.; Pinty, B.; Pitts, M. C.; Purkey, S. G.; Quegan, S.; Quintana, J.; Rabe, B.; Rahimzadeh, F.; Raholijao, N.; Raiva, I.; Rajeevan, M.; Ramiandrisoa, V.; Ramos, A.; Ranivoarissoa, S.; Rayner, N. A.; Rayner, D.; Razuveav, V. N.; Reagan, J.; Reid, P.; Renwick, J.; Revedekar, J.; Richter-Menge, J.; Rivera, I. L.; Robinson, D. A.; Rodell, M.; Romanovsky, V. E.; Ronchail, J.; Rosenlof, K. H.; Sabine, C. L.; Salvador, M. A.; Sanchez-Lugo, A.; Santee, M. L.; Sasgen, I.; Sawaengphokhai, P.; Sayouri, A.; Scambos, T. A.; Schauer, U.; Schemm, J.; Schlosser, P.; Schmid, C.; Schreck, C.; Semiletov, I.; Send, U.; Sensoy, S.; Setzer, A.; Severinghaus, J.; Shakhova, N.; Sharp, M.; Shiklomanov, N. I.; Siegel, D. A.; Silva, V. B. S.; Silva, F. D. S.; Sima, F.; Simeonov, P.; Simmonds, I.; Simmons, A.; Skansi, M.; Smeed, D. A.; Smethie, W. M.; Smith, A. B.; Smith, C.; Smith, S. L.; Smith, T. M.; Sokolov, V.; Srivastava, A. K.; Stackhouse, P. W., Jr.; Stammerjohn, S.; Steele, M.; Steffen, K.; Steinbrecht, W.; Stephenson, T.; Su, J.; Svendby, T.; Sweet, W.; Takahashi, T.; Tanabe, R. M.; Taylor, M. A.; Tedesco, M.; Teng, W. L.; Thepaut, J. N.; Thiaw, W. M.; Thoman, R.; Thompson, P.; Thorne, P. W.; Timmermans, M. L.; Tobin, S.; Toole, J.; Trewin, B. C.; Trigo, R. M.; Trotman, A.; Tschudi, M.; van de Wal, R. S. W.; Van der Werf, G. R.; Vautard, R.; Vazquez, J. L.; Vieira, G.; Vincent, L.; Vose, R. S.; Wagner, W. W.; Wahr, J.; Walsh, J.; Wang, J. H.; Wang, C. Z.; Wang, M.; Wang, S. H.; Wang, L.; Wanninkhof, R.; Weaver, S.; Weber, M.; Werdell, P. J.; Whitewood, R.; Wijffels, S.; Wilber, A. C.; Wild, J. D.; Willett, K. M.; Williams, W.; Willis, J. K.; Wolken, G.; Wong, T.; Woodgate, R.; Worthy, D.; Wouters, B.; Wovrosh, A. J.; Xue, Y.; Yamada, R.; Yin, Z. G.; Yu, L. S.; Zhang, L. Y.; Zhang, P. Q.; Zhao, L.; Zhao, J.; Zhong, W.; Ziemke, J.; Zimmermann, S.;
Published Date:
2013
Series:
State of the Climate
Description:
For the first time in several years, the El Nino-Southern Oscillation did not dominate regional climate conditions around the globe. A weak La Niña dissipated to ENSO-neutral conditions by spring, and while El Niño appeared to be emerging during su...
Bell, G. D.; Halpert, M. S.; Schnell, R. C.; Higgins, R. W.; Lawrimore, J.; Kousky, V. E.; Tinker, R.; Thiaw, W. M.; Chelliah, M.; Artusa, A.;
Published Date:
2000
Series:
State of the Climate
Description:
The global climate during 1999 was impacted by Pacific cold episode (La Niña) conditions throughout the year, which resulted in regional precipitation and atmospheric circulation patterns across the Pacific Ocean and the Americas that are generally ...
The climate of 1996 can be characterized by several phenomena that reflect substantial deviations from the mean state of the atmosphere persisting from months to seasons. First, mature cold-episode conditions persisted across the tropical Pacific fro...
The global climate during 1997 was affected by both extremes of the El NiÒoñSouthern Oscillation (ENSO), with weak Pacific cold episode conditions prevailing during January and February, and one of the strongest Pacific warm episodes (El NiÒo) in ...
Bell, G. D.; Halpert, M. S.; Ropelewski, C. F.; Kousky, V. E.; Douglas, A. V.; Schnell, R. C.; Gelman, M. E.;
Published Date:
1999
Series:
State of the Climate
Description:
The global climate during 1998 was affected by opposite extremes of the ENSO cycle, with one of the strongest Pacific warm episodes (El Niño) in the historical record continuing during January–early May and Pacific cold episode (La Niña) conditio...
Neutral ENSO conditions at the beginning of 2002 gave way to a strengthening El Niño episode during boreal summer. Weather patterns in many areas of the world reflected the warm phase conditions. The average global temperature in 2002 was 0.45°C ab...
Waple, A. M.; Lawrimore, J. H.; Halpert, M. S.; Bell, G. D.; Higgins, W.; Lyon, B.; Menne, M. J.; Gleason, K. L.; Schnell, R. C.; Christy, J. R.; Thiaw, W. M.; Wright, W. J.; Salinger, M. J.; Alexander, L.; Stone, R. S.; Camargo, S. J.;
Published Date:
2002
Series:
State of the Climate
Description:
Global temperatures in 2001 were 0.51°C (0.92°F) above the long-term (1880–2000) average, which places 2001 as the second warmest year in the 122-year instrumental record. Land temperatures were 0.75°C (1.35°F) above average and ocean temperatu...
Lawrimore, J. H.; Halpert, M. S.; Bell, G. D.; Menne, M. J.; Lyon, B.; Schnell, R. C.; Gleason, K. L.; Easterling, D. R.; Thiaw, W. M.; Wright, W. J.; Heim, R. R.; Robinson, D. A.; Alexander, L.;
Published Date:
2001
Series:
State of the Climate
Description:
The global climate in 2000 was again influenced by the long-running Pacific cold episode (La Niña) that began in mid-1998. Consistent with past cold episodes, enhanced convection occurred across the climatologically convective regions of Indonesia a...
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