The difference between climate and weather, and why models fail

"Weather" describes atmospheric conditions at any location — temperature, humidity, clouds, precipitation, and winds.  Every place has its own weather, which depends on the time of day, the season, the latitude, local topography, and the nearness and surface temperature of the ocean.

Meteorologists need a good knowledge of weather records, atmospheric physics, geography, oceanography, and solar cycles.  Weather is mainly about wind — is it hot or cold, moist or dry, strong or weak?  Surface atmospheric pressure gradients control wind strength, direction, and temperature, and are valuable tools for short-term forecasting.  Longer-term weather forecasters will find value in studying sunspots and El Niño episodes in the oceans.  Few weathermen see any value in measuring or forecasting atmospheric CO2 to help forecast the weather.

"Climate" is defined as the thirty-year average of weather at that spot.  To determine climate trends thus requires centuries of reliable weather records.  This is why geologists feature so prominently in determining past climates by mapping Earth's crust and collecting deep core samples in ice sheets, ocean and lake sediments, and crustal rocks.  (And it explains why climate alarmists alter past temperature records to create spurious warming trends.)

A canny and persistent mathematician and engineer, Milutin Milankovitch, was one of the first to suggest that changes in various solar cycle orbits and axial tilts cause changes in Earth's climate.  He spent years carefully calculating (by hand) how such changes caused changes in solar heat received by the Northern Hemisphere landmass.  He speculated that this caused the advance and retreat of the great northern ice sheets.  Since then, dozens of geologists, palynologists, astronomers, and engineers have confirmed the reality of the Milankovitch cycles.

"Models" provide the comedy act in the climate circus.  Using taxpayer funds and massive computers, they build super-complex models designed to prove that global temperature will rise dangerously because of human production of carbon dioxide.  These models supposedly prove that the world faces an unprecedented episode of imminent and irreversible global heating.

Climate models have three features.

Firstly, they assume that carbon dioxide in the atmosphere is driven by human activity and that CO2 drives global temperature.  They calmly ignore the moderating effects of oceans, the unmeasured effects of volcanoes, and the declining effects of extra CO2.

Secondly, they try to write formulae for the myriad of factors that drive the weather.  Then these computers spit out their estimates for "average global temperature" — a bureaucratic invention — nothing lives or grows in "average global temperature".

Thirdly, these models have only one valuable feature — they are known to be consistently wrong.

The assumptions are suspect, the relationships are far more complex than the models assume, and their scary forecasts are worthless.  (See results below.)


Source.

Even if the modeling scaremongers were correct, we would expect a greener Earth as warmer temperatures, more carbon dioxide plant food and more rainfall encourage all types of food production, grass growth, and forest expansion.

However, the Milankovitch solar cycles have not suddenly stopped.  The warming top has passed, and colder times are ahead.  Oceans retain heat longer than land.  Warm oceans and cold land can cause massive precipitation of snow; advancing ice sheets; and a cold, hungry world.

When that happens, there will be no electricity from iced-up wind, solar, and hydro generators, and electric vehicles will soon run out of juice.  There will be battles for ice-proof energy like nuclear, coal, oil, and gas and a scramble for reliable trucks and cars powered by hydrocarbon fuels.

Viv Forbes has tertiary training in geology, physics, chemistry, and meteorology and years of experience in building computer models.

Read More:

John and Mary Gribbin, 2015: Ice Age — the Theory that Came in from the Cold
ReAnimus Press, Colorado

This book is a careful and readable documentation of the big factors that determine global climate. It records how the detailed calculations of the Serbian engineer/mathematician Milutin Milankovitch (although doubted for decades) were eventually vindicated by emerging climate core records. This research shows we are well past the peak of the current warming and the next ice age looms ahead.

John Gribbin is an astro-physicist, Mary Gribbin is a science writer.

Testimony of John R. Christy Professor of Atmospheric Science, Alabama State Climatologist University of Alabama in Huntsville:
https://republicans-science.house.gov/sites/republicans.science.house.gov/files/documents/HHRG-115-SY-WState-JChristy-20170329.pdf

How they erased the Heat Wave of the 1930's Dust Bowl:
https://www.youtube.com/watch?v=XCGOYy2HEQw

Image via Pexels.

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