Total Pageviews

Saturday, October 19, 2019

Why do we need climate models that make wrong climate predictions ?

Short  answer: 
We don't need any more 
wrong climate predictions.

The existing climate
models are a waste
of money -- usually 
taxpayers' money.

And our mass media 
should be ashamed
of themselves for evading
the subject of failed 
climate model predictions:



Long  answer:
There's no need to refute 
the so-called climate models
-- they refute themselves, 
by grossly over-predicting 
global warming !

What are officially called 
“General Circulation Models”, 
are really elaborate versions 
of the opinions of the people 
who programmed them.

Personal opinions,
made very complex 
with math and data.

None of those 
personal opinions, 
which are different 
for each model, 
add up to 
a real model 
of the climate 
change process 
on this planet.

A real model 
would make
right climate 
predictions,
not wrong 
predictions !


There's one Russian model
that seems to make decent
predictions, apparently by 
predicting future warming 
from adding CO2 to the air
will be similar to the past
global warming while 
CO2 was being added
to the air 
( no one can be certain 
if CO2 caused any
of the warming in the past 
-- but it's a reasonable 
assumption that increasing 
CO2 caused some warming ).

I have to assume Russians
had carefully considered
the past 100+ years of adding
CO2 to the air, and the past
100+ years of mild, intermittent 
global warming, when they 
were constructing their 
"more of the same"
climate model !

I'm not saying the Russians
know exactly what causes climate
change, and no one else does.

I am saying the Russians
present a model that appears
to be in the ballpark with 
its predictions.

Every other nation
seems perfectly happy
to make the same wrong 
forecasts year after year,
for over 30 years -- 
that should embarrass
real scientists.


Excluding the Russian model,
all the many other climate 
models in the world,
on average, predict triple the
global warming that actually
happened in the past,
( based on UAH weather 
satellite data starting in 1979 ).

We're talking about an actual 
average of +0.1 degrees C.
warming per decade, versus
+0.3 degrees C. warming
per decade, based on the
average predictions of the
non-Russian climate models. 

The models look even worse 
if you start the analysis in 1940.

CO2 levels have been increasing
since 1940, so there is no logical
reason to start the analysis in 1979.

The temperature data before 1979
are only non-global surface data,
which includes lots of estimates
for areas with no thermometers.

The NASA-GISS compilation 
( used for the chart on 
this blog's home page ),
shows the global average
temperature in 1979 
was about the same 
as the temperature in 1940
( how often have you
seen that fact in the 
mass media ? ).

Starting from 1940, 
the total global warming 
through 2018 was about
+0.5 degrees C. 
( UAH satellite
data from 1979 ) 
which is an average 
of only +0.065 degrees C.
per decade.

That's less than one quarter 
of the global warming per decade
predicted for the future !


That's an 
"it's different this time"
forecast, that's very likely 
to be wrong, just like every 
other long term climate forecast !

I prefer no predictions -- 
predictions of the future
climate have been 
consistently wrong.

I would not object to
a "more of the same"
prediction, like the 
Russian climate model.

That's a low risk prediction.

So, if I was forced 
to make a climate
prediction, that's 
what I'd say, 
although I'd call it 
the "null hypothesis", 
to sound scientific !

Null hypothesis 
is a very confusing
scientific term 
that I learned 
in the 1980s, 
when doing 
audio component
double blind tests.

It could even confuse
some audio engineers,
so I prefer saying
"more of the same".



After making 
wrong predictions,
honest people
would go back 
to the scientific
"drawing board" 
and try again.

But not the 
climate change
scaremongers.



Unfortunately, 
only wrong climate 
predictions 
are possible, 
or a lucky guess.

Because the physics 
of climate change 
is not known with 
any precision, 
so it is impossible
to construct a real 
climate model, that
makes reasonably 
accurate predictions.

 … however 
just enough 
is known to play 
"computer games", 
and make consistently 
wrong predictions,
that are stated with 
great confidence.



The climate modelers 
( computer gamers, actually ) 
merely assume 
the CO2 level 
is most important 
for determining the 
future global average 
temperature, 
and all natural causes 
of climate change 
just add up to “noise”.

Then they try to get 
the public’s attention 
by inventing a water vapor 
positive feedback theory 
that allegedly triples 
the alleged warming 
effect caused by CO2 
alone.

The near global measurements 
of the global warming rate
since 1979 ( UAH compilation ) 
would have to be tripled 
to match the average 
climate model prediction 
of global warming 
( excluding the Russian 
model, that seems to predict 
the past rate of warming 
will continue ).

Anyone with common sense 
would reject the water vapor 
positive feedback theory, 
because without that alleged 
“global warming tripler”, 
the average climate model 
would seem to make 
a reasonable prediction !

But the leftists in charge of the 
“coming global warming crisis 
boogeyman” DO NOT like to 
change their predictions.

They love the old 1970’s-era 
CO2 – temperature relationship 
highlighted in the 
1979 Charney Report 
( +1.5 to +4.5 degrees C. 
global warming per 
+100% CO2 increase ).

And they have stuck 
with that "formula" 
- FOR 40 YEARS SO FAR - 
and never mind 
the always wrong 
climate predictions 
— the mainstream media 
never reports them,
so few people know.



Every year we hear 
a “new” prediction 
of a coming climate 
change crisis, and 
every year the logical
people among us wonder 
why it never arrives !



Of course the climate 
computer games 
have to be wrong, because 
not enough is known about 
climate change physics 
to construct a real 
climate model.

The computer games 
make wrong predictions 
— in real science 
wrong predictions falsify
the climate theories 
of the modelers.

But in climate alarmist 
junk science, nothing 
can be falsified !




WHY  DO  WE  NEED  
CLIMATE  MODELS 
WHEN  WE  HAVE
SO  MUCH  EXPERIENCE 
WITH  GLOBAL  WARMING ?

We have over 300 years of 
actual experience with 
intermittent global warming 
( since the late 1600s ).

We have over 100 years 
of actual experience with 
adding CO2 to the atmosphere.

We have decent near-global
temperature averages since 1979.

We have decent global average 
CO2 measurements since 1958.

Why not assume the past
mild, intermittent global 
warming trend will continue, 
and then move on to solving 
real problems in the world ?

I know that such a prediction 
is really boring, and most
climate "scientists" would 
lose their government jobs
if mild, harmless global
warming was in our future.

But it is not as boring as 
the RIGHT PREDICTION.

The right prediction 
is NO PREDICTION.

NO ONE KNOWS 
whether the global average 
temperature will be warmer, 
or colder, in 100 years
 … and we don’t even know 
if the Holocene inter-glacial 
( the current warm period 
between ice ages, that we 
live in ) will still be in progress !

What we do know is 
the global warming 
so far has been 
harmless, at worst, 
and beneficial, at best 
( greening the planet and 
supporting better growth 
of C3 plants used for food 
by people and animals ).

Why would anyone 
in their right mind 
want the 300+ years
of mild global warming 
to stop ?


The climate history of our 
planet strongly suggests 
that when a global 
warming trend stops,
a global cooling trend
will begin.

Most people would not 
like global cooling, 
with the exception 
of ski bums.

People living in the 
late 1600s hated the
unusually cold climate
back then.