A record warm 2014 without an El Niño kicker and
record warm oceans should be factored into discussions and estimates of climate sensitivity to the rapidly increasing GHG's.
Record warm oceans are the bottom line, the overall planetary warming is accelerating at blinding speed.
Officially, this has not been an El Niño year, yet, as you nicely pointed out, we've had
record warm oceans.
Then let's talk about
record warm oceans and true energy imbalances going on in the climate system.
Record and near -
record warm ocean waters gave Florida even more of a heat boost, he said.
A «winter snow storm» from a flow of moisture that originated over
record warm ocean temperatures of the Pacific.
Not exact matches
According to a big chunk of
ocean surface temperature
recorded by boat, the
oceans were not
warming nearly as quickly as the rest of the planet.
As Hurricanes Harvey, Irma, and Maria plowed through unusually
warm oceans this summer, each one broke
records, startling even the scientists who study extreme weather.
Latest Forecast Suggests «Godzilla El Niño» May Be Coming to California: The strengthening El Niño in the Pacific
Ocean has the potential to become one of the most powerful on record, as warming ocean waters surge toward the Americas, setting up a pattern that could bring once - in - a-generation storms this winter to drought - parched Californ
Ocean has the potential to become one of the most powerful on
record, as
warming ocean waters surge toward the Americas, setting up a pattern that could bring once - in - a-generation storms this winter to drought - parched Californ
ocean waters surge toward the Americas, setting up a pattern that could bring once - in - a-generation storms this winter to drought - parched California...
The finding surprised the University of Arizona - led research team, because the sparse instrumental
records for sea surface temperature for that part of the eastern tropical Pacific
Ocean did not show
warming.
Studies of historical
records in India suggest that reduced monsoon rainfall in central India has occurred when the sea surface temperatures in specific regions of the Pacific
Ocean were
warmer than normal.
The long - term geological
record reveals an early Cenozoic
warm climate that supported smaller polar ecosystems, few coral - algal reefs, expanded shallow - water platforms, longer food chains with less energy for top predators, and a less oxygenated
ocean than today.
In addition, the report notes that three of the
warmest years on
record — 2014, 2015 and 2016 — occurred since the last report was released; those years also had
record - low sea ice extent in the Arctic
Ocean in the summer.
We've narrowed the uncertainty in surface
warming projections by generating thousands of climate simulations that each closely match observational
records for nine key climate metrics, including
warming and
ocean heat content.»
Ocean Only: The global ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only
Ocean Only: The global
ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only
ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second
warmest such period on
record, behind only 1998.
«August and June - August global temperatures each reach
record high, driven largely by
record warm global
oceans.»
They can also explain more than half of the
warming recorded over the Antarctic Peninsula, because «anomalously strong westerlies should act to decrease the incidence of cold air outbreaks from the south and lead to increased
warm advection from the Southern
Ocean.»
The new analysis combines sea - surface temperature
records with meteorological station measurements and tests alternative choices for
ocean records, urban
warming and tropical and Arctic oscillations.
A detailed, long - term
ocean temperature
record derived from corals on Christmas Island in Kiribati and other islands in the tropical Pacific shows that the extreme warmth of recent El Niño events reflects not just the natural
ocean - atmosphere cycle but a new factor: global
warming caused by human activity.
So the report notes that the current «pause» in new global average temperature
records since 1998 — a year that saw the second strongest El Nino on
record and shattered
warming records — does not reflect the long - term trend and may be explained by the
oceans absorbing the majority of the extra heat trapped by greenhouse gases as well as the cooling contributions of volcanic eruptions.
June — August 2014, at 0.71 °C (1.28 °F) higher than the 20th century average, was the
warmest such period across global land and
ocean surfaces since
record keeping began in 1880, edging out the previous
record set in 1998.
According to the Land &
Ocean Temperature Percentile map above, a region of coastal west Africa, part of Greece, northwestern Iran, much of the southern Philippines, and central and south central Australia were
record warm for the period.
This is the seventh consecutive season in which the globe (land and
ocean) was
record warm, starting with summer (Jun - Aug) 2014.
The planet has also been running abnormally
warm, including
record heat in much of the world's
oceans.
Unlike the Arctic, there is no long - term submarine
record of ice thickness — but with the
warming Southern
Ocean, it seems likely that that has been going on as well.
Note the more spatially uniform
warming in the satellite tropospheric
record while the surface temperature changes more clearly relate to land and
ocean.
The
oceans are heating up: Not only was Earth's temperature
record warm in 2014, but so were the global
oceans, as sea surface temperatures and the heat of the upper
oceans also hit
record highs.
Ocean temperatures for the year started with the first three months each third
warmest for their respective months, followed by
record high monthly temperatures for the remainder of the year as one of the stongest El Niños in the historical
record evolved.
With the contribution of such
record warmth at year's end and with 10 months of the year
record warm for their respective months, including the last 8 (January was second
warmest for January and April was third
warmest), the average global temperature across land and
ocean surface areas for 2015 was 0.90 °C (1.62 °F) above the 20th century average of 13.9 °C (57.0 °F), beating the previous
record warmth of 2014 by 0.16 °C (0.29 °F).
Drought, incredibly
warm ocean waters and natural climate cycles may all have contributed to the likely
record.
The warmth was due to the near -
record strong El Niño that developed during the Northern Hemisphere spring in the eastern and central equatorial Pacific
Ocean and to large regions of record warm and much warmer - than - average sea surface temperatures in parts of every major ocean b
Ocean and to large regions of
record warm and much
warmer - than - average sea surface temperatures in parts of every major
ocean b
ocean basin.
Nearly all of Eurasia, Africa, and the remainder of South America were much
warmer than average, or within the top 10 percent of their historical
records for their regions, according to the Land &
Ocean Temperature Percentiles map above.
Most of Earth's land surfaces were
warmer than average or much
warmer than average, according to the Land &
Ocean Temperature Percentiles map above, with
record warmth notable across most of equatorial and northeastern South America and parts of southeastern Asia.
During December 2015, in addition to much of the eastern and central equatorial Pacific, the western North Atlantic, the North Indian
Ocean, the ocean waters south of Australia, and parts of the Arctic Seas north of Europe were notably record
Ocean, the
ocean waters south of Australia, and parts of the Arctic Seas north of Europe were notably record
ocean waters south of Australia, and parts of the Arctic Seas north of Europe were notably
record warm.
You May Also Like: El Niño is Kinda Sorta Maybe Here NASA Ranks This August as
Warmest on
Record The $ 90 Trillion Climate - Stabilizing Cookbook What Will Survive in Hot, Acidic
Oceans?
In other major
ocean basins, parts of the western North Atlantic, the Barents Sea in the Arctic, and much of the Indian Ocean were record
ocean basins, parts of the western North Atlantic, the Barents Sea in the Arctic, and much of the Indian
Ocean were record
Ocean were
record warm.
Ocean warming also strengthened the 2015 - 2016 El Niño and contributed to
record global heat in 2016.
Oceans have had their
warmest start to the year on
record in 2015.
Oceans trap much of the heat from greenhouse gas emissions, and 2014 was tied for the third
warmest ocean temperatures on
record.
Much
warmer - than - average temperatures engulfed most of the world's
oceans during June 2016, with
record high sea surface temperatures across parts of the central and southwest Pacific
Ocean, northwestern and southwestern Atlantic
Ocean, and across parts of the northeastern Indian
Ocean.
August set the
record for the
warmest ocean temperatures ever
recorded, though land areas were also more than 2 °F above normal for the month.
«
Warming and
ocean acidification don't happen overnight and it may be that some of the ecosystem shifts they facilitate will take years to become visually apparent,» Simon Freeman, a postdoctoral fellow with the American Society of Engineering Education who has also done a series of underwater
recordings, said.
The important point the study makes is that the onset of
warming in the tropical
ocean in the 1830s is earlier than is typically assumed from the instrumental
record and from other proxy reconstructions that have focused mainly on Northern Hemisphere land temperatures.
Since NOAA began keeping
records in 1880, the combined global land and
ocean surface temperature was the
warmest on
record for both April and for the period from January through April in 2010.
The long - term
warming of the planet, as well as an exceptionally strong El Niño, led to numerous climate
records in 2015, including milestones for global temperatures, carbon dioxide levels and
ocean heat, according to the World Meteorological Organization's annual State of the Climate Report.
Ocean heating accounts for about 40 percent of global sea level rise, because water expands as it
warms up; global average sea level from January through November was also a
record high, the WMO said.
Though 2015 was a
record year, the
warming of parts of the Pacific
Ocean and the resulting deleterious effects on seals and sea lions began before the onset of the current El Niño effect.
When you have the largest Atlantic storm in
recorded history that is being feed by unusually
warm ocean waters (+5 °F) and is being steered in a very unusual direction by a «3 - sigma» blocking higher over Greenland after the largest Arctic sea ice melt in human history, you might want to consider the «steroid» hypothesis a bit more.
Long continuous
records of temperature and salinity at
Ocean Weather Station M in the Norwegian Sea indicate that the deep water has also
warmed noticeably.
You implied that there was nothing in the paleo
record showing a rapid release of methane but there was a paper in October suggesting a very rapid release which caused
warming of 5C in 13 years (and rendered the
ocean surface acidic).