How the world temperature “record” was manipulated through HUGE smoothing radius

As a continuation of my previous post How the world temperature “record” was manipulated through dropping of stations I will continue my expose of official ways to manipulate data. This time about the smoothing radius.

It sounds like a very boring technical detail, and it is, but it plays an important part in the official manipulation of the temperature record. Others have shown this before and done a very good job presenting it. But it is worth repeating because most people have no idea on what shaky grounds the temperature records are based.

I have written extensively on this blog about the tweaking, “adjustment” and manipulation of the historic and present temperature “record” which are presented in the official figures.

With the poor placement of stations (91 % of the stations are CRN 3 to 5 = bad to very poor); where they have purposely taken away the urban heat island effect, use huge smoothing radius, the historical “adjustment and tweaking” to cool the past etc.

Not to mention the great slaughter of GHCN stations around 1990 – roughly 63 % of all climate measuring stations were “dropped”. Oddly enough many of them in cold places – Hmmm? Now the number of GHCN stations are back at the same numbers as in 1890.

Also remember that the US stations are now nearly a third of the all GHCN world stations.

So what is a “smoothing radius”? And why is it so important?

A smoothing radius is: EVERYTHING within 1200 km in ALL directions from the weather station IS GIVEN THE SAME TEMPERATURE AS AT THE STATION!

Regardless of facts, geography and data.

Here is the official description: “Smoothing radius: Distance over which a station influences regional temperature.”

This is of course a VERY HANDY tool. First you drop most of the measuring stations. And the one you chose and keep are very strategically placed. Then you let the stations you ”kept” decide,  or as they so nicely put it “influence” the temperature within a radius of 1200 km.

Now you can influence and “control” the official world temperature “record”.

And remember –This dropping of stations was done on purpose. And what “happened” to the temperature after that – the temperature went up sharply.


Can there be a connection???

To recapitulate:

In 3 years, from 1989 to 1992, 5218 stations were purposely “dropped”.

From 1993 to 2000 1384 more stations were “dropped”. A total of 6602 stations.

And if we compare with 1970 with1992 8445 stations have been “dropped”.

If we compare 1970 with year 2000 9829 stations have been “dropped”.


This is the ”logic and science” behind the Global warming Hysteria.

So let’s look at the difference so you can understand why this “technicality” plays such a big role:

                           1200 km (745.7 miles) smoothing

                           250 km (155.3 miles) smoothing

Noticing any difference?

The difference is HUGE and VERY revealing.

See ALL these grey areas that “suddenly appears” in the 250 km one? These huge areas of the globe which are grey are the ones where they don’t have ANY DATA. (I.e. the data is there but they don’t use it since dropping of ALL these stations).

That is also why they always “officially” use the 1200 km smoothing in their graphics.

So that you wouldn’t know that Antarctica, Arctic, HUGE PARTS of Africa and Asia is NOT covered in “their measurements”.

Also notice, and this is VERY TYPICAL of them, that ALL these parts that ARE NOT COVERED ARE ALL VERY RED (i.e. very hot).

Do you think this is by coincidence?

And what does that says about the “science” behind this?

And also remember that a 250 km smoothing in it self is VERY large.

If you could use a 100 km smoothing you would see EVEN more parts of the world in grey – i.e. there is no data.

This is the ”logic and science” behind the Global warming Hysteria.

To show you how ABSURD a 1200 km (745.7 miles) smoothing is if used in ANY “scientific” way or shape or form, I am going to give you 3 examples.


If the weather station is placed in Stockholm (Sweden) the temperature there would be given to Moscow, Amsterdam, Berlin, Warszawa, Kiev, Oslo, Helsinki and Prague etc.



If the weather station is placed in Paris (France) the temperature there would be given to London, Amsterdam, Berlin, Madrid, Rome, Dublin, Budapest and Prague etc.



If the weather station is placed in Denver(Colorado) the temperature there would be given to Las Vegas (NV), Phoenix (AR), over the border to Canada and Mexico, St Louis (IL), Minneapolis (MN) and Dallas (TX) etc.


That’s why “officially” the high Bolivian Andes can have a “record warm” when the temperature is actually measured 1200 km away at the beaches in Peru. Or in the jungles of Brazil.

There has not been any thermometer data in GHCN since 1990 from Bolivia.

None. Nada. Zilch. Nothing. Empty Set.

So just how can it be so Hot Hot Hot! in Bolivia if there is NO data?

Easy. GIStemp “makes it up” from “nearby” thermometers up to 1200 km away.

The official excuse given is that the data acceptance window closes on one day of the month and Bolivia does not report until after that date. Oh, and they never ever would want to go back and add date into the past after a close date. Yet they are happy to fiddle with, adjust, modify, and wholesale change and delete old data as they change their adjustment methods…”

The same goes on in the Arctic.

And the Antarctic.

And over huge parts of Africa.

And over huge parts of Asia.

And over huge parts of Latin America.

And over the oceans which make up 70% of the surface of earth.

So to sum up the “science” behind the “Global Temperature Record”:

It doesn’t cover 70% of the surface, Antarctic, Arctic, huge parts of Africa, huge parts of Asia and huge parts of Latin America.

Besides that everything is just fine.

Another brilliant example of the trustworthiness of the Global Warming Hysteria.

And “their science”.

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  1. Temperature Trend/Decade for the 4 Largest U.S. Cities – It is getting Cooler and Cooler « UD/RK Samhälls Debatt Says:

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