For January–September 2010, the global combined land and ocean surface temperature was 0.65°C (1.17°F) above the 20th century average of 14.1°C (57.5°F) and tied with 1998 as the warmest January–September period on record.
Signal: Jan-Sept 2010
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Signals
- ►Acidification (1)
- ►agricultural losses (3)
- ►allergy and asthma increase (2)
- ►Antarctic Hairgrass spreading (1)
- ►Antarctic land ice loss (2)
- ►Antarctica ice shelf loss (1)
- ►Antartic Bottom Water Loss (1)
- ►Arctic ice-shelf loss (4)
- ►Arctic sea ice low December 2010 (1)
- ►Arctic Sea Ice Melt (82)
- ►albedo loss (2)
- ►Arctic sea ice minimum 2010 (10)
- ►Arctic sea ice minimum 2011 (1)
- ►Arctic sea ice volume (1)
- ►Barents-Kara sea ice loss (7)
- ►increased military activities (2)
- ►Multi-year ice loss (3)
- ►new commercial shipping (1)
- ►Northern passages open (5)
- ►Polar bear swims (1)
- ►Walrus haul out (2)
- ►Warm Arctic-Cold Continents pattern (15)
- ►albedo loss (2)
- ►Australia/NSW March 2012 (3)
- ►Flooding (2)
- ►Spider migration (1)
- ►Spider migration (1)
- ►Flooding (2)
- ►bears foraging cemetaries (1)
- ►Cherry Blossoms (1)
- ►El Niño/La Niño cycle more frequent/intense (2)
- ►extreme weather (326)
- ►Sherwood et al. 2011.">agricultural losses (24)
- ►Climate Extremes Index – USA (5)
- ►summer 2010 extremes (2)
- ►summer 2010 extremes (2)
- ►drought (42)
- ►Amazon drought of 2010 (1)
- ►declining agricultural yields (2)
- ►declining plant productivity (1)
- ►Mediterranean drought (1)
- ►Texas 2011 (2)
- ►Texas 2011/2012 (3)
- ►lost rice production (1)
- ►lost rice production (1)
- ►Amazon drought of 2010 (1)
- ►Drought/Flooding extremes (2)
- ►dry weather (92)
- ►declining river flow (14)
- ►Amazon rivers (5)
- ►fall 2010 (3)
- ►Yellow River run-off declining (1)
- ►Amazon rivers (5)
- ►declining water supplies (2)
- ►Lake Mead decline (1)
- ►Lake Mead decline (1)
- ►East Africa drought (1)
- ►Lakes drying up (2)
- ►China (1)
- ►China (1)
- ►wildfires (22)
- ►declining river flow (14)
- ►higher insurance premiums (1)
- ►hot (20)
- ►misdirected migration (2)
- ►vegetation loss (2)
- ►Insurance losses (2)
- ►Intensification of NASH/Bermuda High (1)
- ►spring melt floods (2)
- ►stronger extratropical storms (10)
- ►Stronger storms (2)
- ►Tornadoes (19)
- ►Freeze over delay (2)
- ►Hudson Bay 2010/2011 (1)
- ►Hudson Bay 2010/2011 (1)
- ►freshwater pooling in Arctic Ocean (2)
- ►Glacial melt (34)
- ►Asian glaciers retreating (3)
- ►glacial-lake outburst floods (2)
- ►Colonia glacier (1)
- ►Colonia glacier (1)
- ►Greenland ice sheet melt (17)
- ►Linne´glacier retreating (1)
- ►Gulf Stream shifting northward (1)
- ►habitat loss (6)
- ►Heat Waves (41)
- ►heavy precipitation events (113)
- ►Belgium flood of Nov. 2010 (1)
- ►Brazil Floods/Rain/Mudslides Jan 2011 (2)
- ►Chicago 2011 (1)
- ►Colombian floods of Fall 2010 (1)
- ►England/Wales floods of Fall 2000 (1)
- ►flooding (45)
- ►July 2011 (1)
- ►Mozambique February 2011 (1)
- ►Namibia Flooding (2)
- ►Pakistan 2011 (1)
- ►Pakistan flood of 2010 (8)
- ►Seoul Floods (1)
- ►South Africa Orange river Feb/Jan 2011 (1)
- ►Thailand flood 2011 (1)
- ►Thailand flood Oct. 2010 (2)
- ►July 2011 (1)
- ►Hurricane Irene (1)
- ►Jeddah floods January 2011 (2)
- ►Queensland floods 2010/2011 (8)
- ►Mining losses (1)
- ►Mining losses (1)
- ►Sri Lanka Floods Jan 2011 (2)
- ►Tropical Storm Lee Sept. 2011 (1)
- ►Belgium flood of Nov. 2010 (1)
- ►hot/dry conditions (1)
- ►Hurricane storm surge higher on sea level rise (1)
- ►Ice field melt (6)
- ►ice sheet melt (8)
- ►increased CO2 levels (4)
- ►increased vegetation (2)
- ►braking winds (1)
- ►braking winds (1)
- ►spread of crop virus (1)
- ►increased vegetation (2)
- ►increased heavy precipitation (39)
- ►Europe 20th century (2)
- ►flooding (12)
- ►heavy snow falls (2)
- ►increased landslides (2)
- ►Northern Hemisphere (1)
- ►Europe 20th century (2)
- ►Increased precipitiation (40)
- ►increased run-off (24)
- ►flooding (8)
- ►increased run-off (24)
- ►increased run-off from melting ice (1)
- ►Israel fires December 2010 (1)
- ►longer (1)
- ►Lyme disease spreading (1)
- ►Noctilucent clouds more frequent and brighter (1)
- ►Oklahoma 2011 (2)
- ►record high temperature (56)
- ►Eurupe (2)
- ►summer 2010 (1)
- ►summer 2010 (1)
- ►India (2)
- ►Mumbai/Bombay (1)
- ►Mumbai/Bombay (1)
- ►Los Angeles all-time high (2)
- ►Moscow record high for November (1)
- ►Record High Temperature for Palestine (1)
- ►Record high temperature for Zambia Oct. 2010 (1)
- ►USA March 2012 (14)
- ►Eurupe (2)
- ►Red River 2011 (1)
- ►reduced fog (1)
- ►rising water tables (1)
- ►sea level rise (13)
- ►Australia (1)
- ►Marshall Islands (2)
- ►Tidal flooding (1)
- ►Tidal flooding (1)
- ►sites now underwater (1)
- ►Australia (1)
- ►shift in seasons (36)
- ►changed Indian Monsoon season (1)
- ►early spring (11)
- ►Early asthma season (2)
- ►Early plankton bloom (1)
- ►Lake Tahoe (1)
- ►Early asthma season (2)
- ►rain earlier in the year (1)
- ►warmer weather (4)
- ►Agricultural losses (1)
- ►Agricultural losses (1)
- ►warmer, shorter winters (10)
- ►changed Indian Monsoon season (1)
- ►shifting weather patterns (51)
- ►changes in Arctic Oscillation (14)
- ►colder (1)
- ►Colder European winters (2)
- ►Snowmaggedon (4)
- ►snowy winters for the eastern U.S. (1)
- ►colder (1)
- ►Changes in El Niño/La Niña pattern (4)
- ►decreasing winds (1)
- ►drought/flood extremes (1)
- ►El Niños moving west (1)
- ►growing stronger (1)
- ►Intensification of NASH/Bermuda High (2)
- ►Northward path for Atlantic hurricanes (2)
- ►reduced water supplies (1)
- ►Shift in Indian Monsoon season (2)
- ►changes in Arctic Oscillation (14)
- ►species shift (6)
- ►species shift (2)
- ►Spring flooding (2)
- ►Sri Lanka February 2011 (1)
- ►Stratospheric cooling (1)
- ►Strong hurricanes (5)
- ►Megi (2)
- ►Megi (2)
- ►Stronger storms (1)
- ►Texas 2011 (2)
- ►Thailand 2011 (2)
- ►Trophospheric warming (1)
- ►Warm/Wet air mass (1)
- ▼warmer temperatures (57)
- ►2010 (8)
- ►China (1)
- ►Europe (2)
- ►summer 2010 (1)
- ►summer 2010 (1)
- ►India 2010 warmest on record (1)
- ►China (1)
- ►2011 (4)
- ►January ’11 (1)
- ►January ’11 (1)
- ►August 2010 (1)
- ►Jan-Aug 2010 (2)
- ►Jan-Nov 2010 (2)
- ►Jan-Oct 2010 (1)
- ▼Jan-Sept 2010 (1)
- ►New record highs outpacing new record lows (6)
- ►October 2010 (1)
- ►October 2010 (1)
- ►November 2010 (2)
- ►October 2010 (1)
- ►United States (3)
- ►Urban areas (1)
- ►Urban areas (1)
- ►warming 2000-2009 (2)
- ►Queensland (1)
- ►Queensland (1)
- 16 U.S. cities had hottest summer on record in 2010
- 2010 extreme weather in China cost $75 billion, 4800 lives
- 2010 hottest summer on record for Japan
- 2010 India's hottest year on record
- 2010 on track for hottest year ever despite natural cooling influences
- 2010 record highs outnumber record lows more than 2 to 1
- 2010 the hottest summer for European continent in at least 500 years
- 2010 Warmest Year on Record, So Far
- 2011 the warmest La Niña year on record
- August 2010 .53° C warmer than average
- Canada on track for hottest year ever
- Fourth Warmest U.S. Summer on Record: NOAA
- Jan-Nov 2010 warmest on record says NASA
- January 17th warmest on record despite cooling La Niña trend
- LA Times: "U.S. seems to have largely escaped winter"
- Major cities in U.S. warming up due to climate change
- NASA reports hottest January to August on record
- New record high for Moscow in November
- New record highs outpacing new record lows in U.S. at 14:1
- Record high temps for the U.S. outnumbered record lows 5:1 in March
- Summer in March: "one the most extreme meteorological events in U.S. history"
- Texas has hottest June-August on record in the U.S.
- Warmest, wettest air mass ever recorded in March in Central/Eastern U.S.
- WMO: High number of extreme weather events in 2010
- Year to date warmest on record: NOAA
- ►2010 (8)
- ►warming (82)
- ►Arctic (1)
- ►changes breeding patterns (1)
- ►changing forests (2)
- ►early flowering (3)
- ►Foliation color changes (2)
- ►global temperatures (4)
- ►land and ocean (1)
- ►land and ocean (1)
- ►increased agricultural production (2)
- ►increased humidity (3)
- ►land and ocean (1)
- ►longer growing season (4)
- ►longer ragweed season (5)
- ►increased allergies (3)
- ►increased allergies (3)
- ►melting permafrost (2)
- ►reduced cryosphere (snow and ice) (7)
- ►albedo loss (1)
- ►reduced ice cover (2)
- ►albedo loss (1)
- ►Reduced snow cover (4)
- ►rising convection threshold (2)
- ►snow falling as rain (2)
- ►snowfield melt (1)
- ►snowfield melt (1)
- ►species population growth (12)
- ►spread of crop virus (1)
- ►warmed cold events (3)
- ►European cold spell of 2010 (1)
- ►warmed (1)
- ►European cold spell of 2010 (1)
- ►Arctic (1)
- ►Warming lakes (1)
- ►Warming oceans (85)
- ►Coral bleaching (11)
- ►Coral reef die-off (5)
- ►deep water warming (1)
- ►hurricane activity (5)
- ►increased hurricane intensity (19)
- ►Cyclone Yasi (5)
- ►Hurricane Irene (1)
- ►Hurricane Tomas (2)
- ►Cyclone Yasi (5)
- ►increased precipitation (2)
- ►increased rainfall from hurricanes (2)
- ►longer hurricane seasons (1)
- ►record high sea surface temperatures (10)
- ►August 2010 (1)
- ►heavy precipitation (1)
- ►September 2010 (1)
- ►August 2010 (1)
- ►record highs outpacing record lows (3)
- ►shifting population ranges (2)
- ►species growth limited (2)
- ►Morwong (1)
- ►Morwong (1)
- ►undersea permafrost instability (2)
- ►warming rivers (1)
- ►Wave heights rising (1)
- ►Wet spells (1)
- ►Europe (1)
- ►Europe (1)
- ►wet/dry extremes (2)
- ►Wind speeds increase (3)
A note about identifying climate change impacts
Many events are linked to climate change by virtue of fitting a long-term trend. For example, the record-breaking “once in one thousand years” rains that drove the recent Nashville flood is part of the long-term trend of increasing heavy precipitation events in the Southeastern United States that has been fully documented and firmly attributed to climate change. While one cannot say with certainly that event was "caused" by climate change, one can and should say it is linked to climate change.
