October

October 2024 – ERA5 Global Temperatures

The global temperature estimates made by the ECMWFECMWF The European Centre for Medium-Range Weather Forecasts is an independent intergovernmental organisation supported by most of the nations of Europe. It is based at three sites: Shinfield Park, Reading, United Kingdom; Bologna, Italy; and Bonn, Germany. It operates one of the largest supercomputer complexes in Europe and the world's largest archive of numerical weather prediction data. in the ERA5ERA ERA stands for 'ECMWF Re-Analysis' and refers to a series of research projects at ECMWF which produced various datasets (ERA-Interim, ERA-40, etcetera). series show that October 2024 was the second warmest in the short series back to 1948. I’m quite glad about that, because my DIYDIY Do It Yourself reanalysis series which I maintain showed the same thing. What is more astounding about October’s temperatures though, is that a 30 year linear trend on the ERA5 data shows a whopping 0.313°C decadal rise in global temperatures. If this were typical for all months of the year you can forget about limiting the increase in warming to only 1.5°C, it would be more like 3°C.😮

ECMWF, Global Temperatures, Global Warming, October

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Oct 2024 – Global Temperature

The cold theme continued across southern Greenland & Iceland during October. It was particularly warm across Arctic Canada and to the north of Franz Józef Land in the Arctic ocean (+12°C), central parts of the United States where also much warmer than average (+5°C). Europe was generally 1-3 degrees above average. Spot my deliberate mistake in anomalies across Africa, if I had more than 14 subscribers I would bother to fix it. 😜

Globally, October 2024 was the second warmest in my DIYDIY Do It Yourself reanalysis series that extend back to 1948, fractionally behind 2023.

The daily mean global temperature has just overtaken those in October last year once again, setting more new daily records. Even without an El NinoEl Niño El Niño 'The Boy' is the warm phase of the El Niño–Southern Oscillation and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific, the globe still continues to steadily warm. ☹

Global Temperatures, October

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October 2024 – CET

The mean temperature for October 2024 in central England was 11.5°C, making it +0.7°C warmer than the 1991-2020 LTALTA Long Term Average. This is usually defined as a 30 year period by the WMO.. The month was marked by a short cold spell from the 10th to the 14th, after that temperatures were generally several degrees above the LTA.

CET, October

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October 2024 – Weather Summary

Surprisingly, October ended up a rather average kind of month as far as sunshine, precipitation and temperature were concerned for the UKUK The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and Northern Ireland. as whole. Regionally, the northwest was drier than average, and the northeast sunnier than average. Mean temperature anomalies across the nation, which were slightly above the LTALTA Long Term Average. This is usually defined as a 30 year period by the WMO., were within 0.3°C of each other. As Greavies would remark, it’s a funny old game Saint😜

October, Precipitation, Temperature

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Global Temperatures – October 2023

October 2023
Estimated Global Temperature Anomaly ERA5ERA ERA stands for 'ECMWF Re-Analysis' and refers to a series of research projects at ECMWF which produced various datasets (ERA-Interim, ERA-40, etcetera).
The fifth consecutive warmest month by another massive margin.
I knew it was going to be warmest but the margin with which it did it surprised me again. Almost 0.4°C warmer than 2019.
Estimated global temperature anomalies ERA5
Since the start of the latest El NinoEl Niño El Niño 'The Boy' is the warm phase of the El Niño–Southern Oscillation and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific event in June global temperatures have been turbo charged.
October 2023
Estimated Global Temperature Anomalies 12 Month moving averages.
They’re all skyrocketing!
The 30 yr linear trend on ERAERA ERA stands for 'ECMWF Re-Analysis' and refers to a series of research projects at ECMWF which produced various datasets (ERA-Interim, ERA-40, etcetera). 5 is now +0.24°C/decade and exceeds the previous highest in 2016.
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Global Temperatures, October

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October 2023 – Weather Summary

Weather Summary

A perfect example this month of how gridded climate data, even when interpolated onto a 1 km x 1 km fine grid, can make some places drier and warmer that they really where.

Wettest Octobers 1836-2023
Rather Surprisingly, only E Scotland had a record wet month in the gridded regional data.
Oct 2023 Rainfall POAPOA Percentage Of Average
I’m not convinced with the contouring.
I’ve never looked at it in detail before It’s neither caught the 228% in StrathpefferStrathpeffer Strathpeffer (Scottish Gaelic: Srath Pheofhair) is a village and spa town in Easter Ross, Highland, Scotland, with a population of 1,469. (dark blue) or the 219% at Tain, and seems to have completely missed the 408% at Wattisham
The interpolation & smoothing used by the Met OfficeUKMO The Meteorological Office is the United Kingdom's national weather service. It is an executive agency and trading fund of the Department for Business, Energy and Industrial Strategy in producing its 1 x 1 km gridded data seems to have remove the wettest spots such as Wattisham completely
October 2023 Mean temperature anomalies
Strange, several stations with anomalies of -0.5°C or lower across the Scotland not registering as a blue contour fill including Baltasound
“though areas further north were generally closer to average”.
Not quite accurate statement for some places across NENE North East Scotland, and that includes Baltasound in Shetland, mean anomalies were 1°C below the LTALTA Long Term Average. This is usually defined as a 30 year period by the WMO.
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October, Precipitation, Temperature

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