Climate changes and trends trough bigger areas maps and graphs

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Offline TommyAst

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Climate changes and trends trough bigger areas maps and graphs
« dnia: Październik 03, 2019, 21:55:07 pm »
Here will be different trends of temperature-climate change trough bigger areas (not for one station, small area) - for World, Continent, Country, etc.

At first - Average temperature in Poland - anomaly since 1781 have been created with homogenous and non-homogenous data. Data before 1800 (or even 1850) are quite bad quality, non-homogenous, not so many stations. Praha Klementinum was used too (there are non-homogenous temperature data since 1775).

More at blog:
https://blog.meteomodel.pl/wstepne-porownanie/
https://blog.meteomodel.pl/poltemp-dane-historyczne-1/



Offline TommyAst

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Odp: Climate changes and trends trough bigger areas maps and graphs
« Odpowiedź #1 dnia: Październik 03, 2019, 22:01:06 pm »
NOAA - Database GHCN-M (Global Historical Climate Network Monthly) is much bigger than GSOD and first station occur 1763. There are data from single stations (mostly from USA), and global gridded data - average temperatures and anomalies trough globe.

Map of warming trends have been created trough gridded data. It has only small resolution. Area in Arctic and Antarctica is with missing data, too little stations is in polar areas and elevation differences of stations is quite huge difference. However, last decades - Arctic region has fastest rising trend in the world.

Few stations from Arctic are in previous project: https://meteomodel.pl/forum2/index.php?topic=2328.0

Sea with liquid water has much smaller albedo than ice. And it increasing warming of Arctic more and more (positive feedback).

Antarctica has quite unclear trend of average temperature change. Antarctica region is cooling down, but only a little. There is not significand trend compare to scattering. Soviet station Vostok is probably long-term station with coldest climate.

In Czech republic and Poland, Slovakia, Hungary - 70s and 80s was quite cold, there was significant warming after communism (accident ?). It was really bad evironment and lot of dust, smoke, ash from communist industry and it stops after it,fortunately.

There are two global maps of global temperature change trend, based on NOAA GHCN-M data. Temperature trend 1901-2018 and 1989-2018, changes are in Kelvins per 10 years. Temperature is increasing fastest in Arctic, and probably little decreasing in Antarctic (this is not clear). Trend 1989-2018 is much faster and clear than trend 1901-2018. However, Arctic and Antarctic is with missing data on the map.

There is one more supriss at trends 1989-2018. Arab peninsula, Iran, Turkey, Black sea is after Arctic area with fastest temperature change. End of Persian Gulf, south of Irak and Iran, Koweit is place with one of highest average monthly temperature of warmest month - +38-39 °C now.

Average temperature about +38-40 °C during warmest month is in danakil depression (Etiopia) in July or June (nowdays, Dallol has averabe temperature in All months above +31 °C or at least above +30 °C and average yearly temperature already above +35 °C, above +39 °C or even +40 °C in July, but there was station only 1960-1966), Sibi, Jacobabd in Pakistan (between May-June around +38-39 °C), Lut desert in Iran in July (no station yet, maybe above +40 °C July normal), Death valley in July (about +39 °C or even +40 °C July normal), around In Salah in Algeria (in July about +37-38 °C).

End of Persian gulf (Koweit-Basrah-Abadan-Ahwaz) can soon reach average temperature above +40 °C in July. There is too warmest sea in the world, up to +34 °C (or more) during Summer. Increasing humidity and heat index can make area so extreme.

I tried to find URL of source of these maps, but without success. But it is from web NCDC-NOAA.

Comparion of Summers (June-August) and Winters (December-February) 2015-2018 to 1981-2010 is from different unknown source, and maybe not GHCN-M.


Offline TommyAst

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Odp: Climate changes and trends trough bigger areas maps and graphs
« Odpowiedź #2 dnia: Październik 03, 2019, 22:16:17 pm »
Recenty - new web was found - Warming Stripes It is about temperature anomaly trough years 1850-2017 (Blue is under normal and red above normal), for world, continent, country:

https://en.wikipedia.org/wiki/Warming_stripes

Author of this site - Ed Hawkins, has Twitter account:
https://mobile.twitter.com/ed_hawkins/status/1018784219055775744

Data until 2017 for few areas are from this site:
http://www.climate-lab-book.ac.uk/2018/warming-stripes/

Offline TommyAst

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Odp: Climate changes and trends trough bigger areas maps and graphs
« Odpowiedź #3 dnia: Październik 03, 2019, 22:32:15 pm »
For every country warming stripe: https://showyourstripes.info/

Data for every European country are from there, since year 2018.
Data are based on Berkeley Earth[/n]. (BK- Berkeley Earth, Data for Vinna are from ZA - Zamg, Germany DW - dwd.de, United Kingdom MS - UK Met Office, Stockholm BO - Swedish Institute ?, Switzerland MS - MeteoSwiss)


Stripe for every country in Europe has been taken here. Data range is mostly 1901-2018, for some areas from Earlier, for Oxford 1814-2018, for Wien 1775-2018 (Like data for Praha Klementinum), for Stockholm even 1756-2018 (probably non-homogenous dataset).

Last years was biggest warm anomaly in Italy, Balkan, Russia European part, around Black Sea.

Lithuania, Latvia, Estonia, Poland - Somewhere around 40s few extreme cold years.

Russia is only European part of Russia ?

Offline TommyAst

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Odp: Climate changes and trends trough bigger areas maps and graphs
« Odpowiedź #4 dnia: Październik 03, 2019, 22:34:38 pm »
For every country warming stripe: https://showyourstripes.info/

United Kingdom and parts. Data are from UK Met Office.

Offline TommyAst

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Odp: Climate changes and trends trough bigger areas maps and graphs
« Odpowiedź #5 dnia: Październik 03, 2019, 22:36:59 pm »
Global anomaly stripes 1850-2018 by UK Met Office - MO