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NOAA: Warmest April Global Temperature on Record; Also Warmest January-April

The combined global land and ocean surface temperature was the warmest on record for both April and for the period from January-April, according to the US National Oceanic and Atmospheric Administration (NOAA). Additionally, last month’s average ocean surface temperature was the warmest on record for any April, and the global land surface temperature was the third warmest on record.

Noaaapril10
Global temperature anomalies in April 2010 with respect to a 1971-2000 base period. Source: NOAA. Click to enlarge.

The monthly analysis from NOAA’s National Climatic Data Center, which is based on records going back to 1880, is part of the suite of climate services that NOAA provides government, business and community leaders so they can make informed decisions.

  • The combined April global land and ocean average surface temperature was the warmest on record at 58.1 °F (14.5 °C), which is 1.37 °F (0.76 °C) above the 20th century average of 56.7 °F (13.7 °C).

  • The combined global land and ocean average surface temperature was the warmest on record for January-April at 56.0 °F (13.3 °C), which is 1.24 °F (0.69 °C) above the 20th century average.

  • Separately, the global ocean surface temperature was 1.03 °F (0.57 °C) above the 20th century average of 60.9 °F (16.0 °C) and the warmest on record for April. The warmth was most pronounced in the equatorial portions of the major oceans, especially the Atlantic.

  • The global land surface temperature was 2.32 °F (1.29 °C) above the 20th century average of 46.5 °F (8.1 °C)—the third warmest on record for April. Warmer-than-normal conditions dominated the globe, with the most prominent warmth in Canada, Alaska, the eastern United States, Australia, South Asia, northern Africa and northern Russia. Cooler-than-normal places included Mongolia, Argentina, far eastern Russia, the western contiguous United States and most of China.

El Niño Southern Oscillation (ENSO) weakened in April, as sea-surface temperature anomalies decreased across the equatorial Pacific Ocean. The weakening contributed significantly to the warmth observed in the tropical belt and the warmth of the overall ocean temperature for April. According to NOAA’s Climate Prediction Center, El Niño is expected to continue through June.

Other highlights from the report include:

  • Arctic sea ice was below normal for the 11th consecutive April, covering an average of 5.7 million square miles (14.7 million square kilometers). This is 2.1% below the 1979-2000 average extent and the 15th smallest April extent since records began in 1979. It was, however, the 18th largest April Arctic sea ice extent since 2001.

  • Antarctic sea ice extent in April was near average, just 0.3% below the 1979-2000 average.

  • Based on NOAA satellite observations, snow cover extent was the fourth-lowest on record (since 1967), and below the 1967-2010 average for the Northern Hemisphere for the seventh consecutive April. Warmer-than-normal conditions over North America, Europe and parts of Russia contributed to the small snow footprint.

  • The North American snow cover extent for the month was the smallest on record for April. It also was the largest negative anomaly, meaning difference below the long-term average, on record for any month.

  • According to Australia’s Bureau of Meteorology, Victoria and Tasmania had their warmest 12-month period since national records began.

  • According to the Beijing Climate Center, China experienced its coolest April since 1961. Liaoning, Jilin and Shandong had their coolest April on record. Hebei, Anhui and Jiangsu had their second coolest April since records began in 1951.

  • China had its wettest April since 1974 and Tibet had its wettest April since records began in 1951. Meanwhile, Germany had its second-driest April on record since 1901, behind 2007, according to the German Meteorological Service (Deutscher Wetterdienst).

Comments

HarveyD

This cannot be correct. The naysayers will not allow it.

The Goracle

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Did a government hell-bent on controlling its citizen's lives pay for this "research?" If Big Oil paid for "research" that said the opposite would it also be taken as indisputable fact?

Massive tax increases, drastic losses of freedom, and an ever expanding, incompetent, government are NOT the answers to Earth's naturally changing climate cycles.

And, yes, we ALL know that SUVs melted the glaciers that scientists claim covered Ohio. We simply can't find the physical evidence of the SUV link. This science is not allowed to be disputed.

Praise be to Algore!

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ai_vin

Yeah, notice all those higher temperatures in the far north and over the oceans where the "urban heat island effect" really skews the readings. ;^)

Scott

Could have fooled me. Its been ****ing cold here in the UK.

ai_vin

Hey, the snow and ice from the arctic HAS to go someplace.

Will S

Goracle, your clutching at straws is getting a bit stale...and you've been told about the Milankovitch cycle several times, so your ice age 'point' is DOA yet again.

http://www.ncdc.noaa.gov/paleo/milankovitch.html

ExDemo

The places where the temperatures are supposedly the hottest like the Arctic, which inexplicably has rising ice levels, are those areas without actual temperature measurements.

By the use of artfully created "homogenizing" algorithms from places as much as 1200 kilometers away, imputed temperatures are substituted instead, into the official record.

The aphorism "Garbage In, Garbage Out", applies. Perhaps the proverb "Figures don't lie, but Liars can figure", is also apropos, for those whose lively hood is dependent on continual Doomsday output.

Their Science is just as valid as the scientists employed by the Tobacco companies that showed that smoking is harmless.

ai_vin

The problem with your arguement ExDemo is that "the scientists employed by the Tobacco companies that showed that smoking is harmless" were hired by the oil companies to show that AGW is harmless.
http://www.sourcewatch.org/index.php?title=S._Fred_Singer

sulleny

Well, in spite of all the purported controversy, climate plays a smaller and smaller role in the energy issue:

http://www.greenbiz.com/news/2010/03/15/climate-skepticism-grows-emissions-fall

Shortly we begin selling the first production EVs - which heralds the end of fossil fuel in transportation. That will clearly lower emissions and climate will continue to be a non-issue in the energy business. But energy business remains huge and growing. Just that we don't need the climate story to know that energy independence is the wave of the future; and our options for producing ubiquitous, abundant energy increase daily.

The next 4-5 decades are gonna be a ton o' energy fun!

The Goracle

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"The next 4-5 decades are gonna be a ton o' energy fun!"

Absolutely! And simply buy stock in the companies that Al Gore is investing in to get rich quick!!!

I, along with most of you, laugh when I think of the poor not being able to afford to purchase energy that they need when Cap and Trade passes! LOL!!! Get a better paying job!!! LOL!

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Aaron Turpen

"This is just weather, not climate."

ai_vin

"This is just weather, not climate."

You're right, this April being the warmest on record is just weather - however, this April being the warmest on record after YEARS of record breaking is climate change.

Will S

Aaron, you are right. One needs to look at the climate record from the decadal perspectives. Has this last decade been warmer than the previous? And the one prior to that? And before that? There's your answer...

danm

All of you AGW nuts are causing all the problems with everything. You're all getting rich of this hoax. I know it. And because I know it, it's true, it's fact!!!!
My toaster didn't work this morning and it's because of you AGW idiots. ANd Al Gore is getting rich off my toaster not working. I know it. And because I say it LOUD enough it's true. And because I keep repeating that Al GOre is behind all of this it's even more true!!!!

ai_vin

lol

sulleny

Please AGWs... What can we do about Al's 4th mansion and expanding carbon footprint???

"The Italian-style house has six fireplaces, five bedrooms and nine bathrooms."

http://directorblue.blogspot.com/2010/05/exclusive-estimate-carbon-footprint-of.html

True. We're just jealous!

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