Celebrating the benefits of global working on World Meteorological Day

Today is World Meteorological Day. Organised by the World Meteorological Organization (WMO), the theme of this year’s day is: hotter; drier; wetter; face the future. These themes help to illustrate changes already observed in the world’s climate, and they also signpost areas of future concern.

As widely reported at the beginning of this year, scientists from the Met Office Hadley Centre and the University of East Anglia’s Climatic Research Unit showed that 2015 was probably the warmest year in a series dating back to at least 1850. Temperatures during 2015 were 0.75°C ±0.1 °C above the long-term (1961-1990) average.

When compared with the pre-industrial period, the 2015 average global temperature was around 1 °C above the long-term average from 1850 to 1900.

hadcrut4_graph_small

In 2015, the global mean temperature reached record levels in a series of records dating back to 1850.

Dr Peter Stott is head of climate monitoring and attribution at the Met Office Hadley Centre. He said: “2015 was a record-breaking year for our climate. Global mean temperatures reached 1 °C above pre-industrial levels for the first time and the year’s average global temperature was the highest ever in instrumental records.” The Met Office cites 1850-1900 as the most reliable reference period for pre-industrial times.

The powerful El Niño in the Pacific, bridging 2015 and 2016, has combined with a long-term rise in global temperatures caused by anthropogenic greenhouse-gas emissions to create a record year. Professor Adam Scaife, who leads long range predictions, added: “With the delayed warming effect of El Niño it’s likely that 2016 may be another record year. After that we expect 2017 will end the run of record-breaking years, but the point remains that over time the planet is getting warmer and this trend is likely to continue.”

The effect of weather and climate in one part of the world can strongly influence what happens in another. With many parts of the world affected, El Niño is just one single, yet powerful, example of why it’s necessary to take a holistic view when looking at weather and climate.

2015_global_temperature_anomaly_map_small

Compared with the average for 1961-1990 there was variation of temperatures at the surface during 2015, with some areas, such as Siberia, being much warmer and parts of the North Atlantic being colder.

The WMO is a specialized agency of the United Nations (UN) with 191 Member States and Territories. It was established in 1950, based on the International Meteorological Organization (IMO), which was founded in 1873 to share weather information between countries. Today the WMO is the UN system’s authoritative voice on the state and behaviour of the Earth’s atmosphere, its interaction with the land and oceans, the weather and climate it produces and the resulting distribution of water resources.

To find out more about World Meteorological Day and the impacts of extreme weather events during 2015, please visit the website.

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5 Responses to Celebrating the benefits of global working on World Meteorological Day

  1. jbenton2013 says:

    2015 was only a record warm year in the temperature adjusted, homogenised, UHI challenged surface records maintained by the Met Office/UEA.

    According to the more accurate NASA UHA satellite records it was only an unspectacular 3rd warmest year since 1979. Even then this was only achieved as a result of the current El Nino conditions.

    The Met Office are becoming ever more desperate to push their global warming propaganda before the inevitable La Nina sets in.

    • nuwurld says:

      NCEP (National Climate And Environmental Prediction) CFSR doesn’t agree with the Met Office either JB.

      http://cci-reanalyzer.org/Reanalysis_monthly/tseries.php

      NOTE: the above links directly to NOAA/CIRES. To view CFSR you must select “CFSR (1979-2015)” as the chosen data set followed by “plot”.

      In the discussion the usability of NCEP/CFSR is shown below. Simply copied and pasted.

      “Climate Forecast System Reanalysis (CFSR) | NOAA National Climatic Data Center
      State-of-the-art 3rd generation reanalysis with robust physics and data assimilation. Includes coupled ocean and sea ice models.
      0.5°x0.5° global grid with 64 vertical levels.
      Well suited for climate study within the satellite era.”

      NCEP/CFSR has 2015 as the fifth warmest year on record, not the first.

    • groanranger says:

      I see you are still trying to win the prize for responding first to the highest number of posts. I hope the Met Office do actually have a prize. Perhaps they will send you some global mean temperature data.

      In fact I’m glad you have posted, as it gives me the opportunity to trumpet my own success. In my responses to your almost identical postings late last year I pointed out that in the satellite record there is always a lag between El Nino and global mean temperature. So the biggest effect of the event that peaked in December 1997 was on the annual average for 1998. I predicted that the impact of the El Nino going on then would be seen in 2016. And lo, the most recent satellite data have shown a huge surge to record levels:

      http://images.remss.com/msu/msu_time_series.html
      http://www.drroyspencer.com/latest-global-temperatures/

      So even if you (incorrectly) believe the that the satellite record is a better indicator of climate change (a subject also covered in previous exchanges), then it is still showing record warmth. There is no escaping it: whether you look at the surface or the satellite data, or a whole host of other things, the atmosphere is warming up.

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