By Climatologist Cliff Harris and Meteorologist Randy Mann

Article and Chart Updated:
March 10, 2018

Until late 2006, global temperatures were more than a
degree Fahrenheit warmer when compared to the 20th Century average. From
August of 2007 through February of 2008, the Earth’s mean temperature
dropped to near the 20th Century average of 57 degrees. Since
that time, land and ocean readings have rebounded to the highest levels in
recorded history in 2016 with a temperature of 58.69 degrees Fahrenheit. For 2017,
the global temperature was 58.51 degrees Fahrenheit.

We, Climatologist Cliff Harris and Meteorologist Randy
Mann, believe in rather frequent climate changes in our global weather
patterns. Geologic evidence shows our climate has been changing over
millions of years. The warming and cooling of global temperatures are likely
the result of long-term climatic cycles, solar activity, sea-surface
temperature patterns and more. However, Mankind’s activities of the burning
of fossil fuels, massive deforestations, the replacing of grassy surfaces
with asphalt and concrete, the “Urban Heat Island Effect” are likely
creating more harmful pollution. Yes,
we believe we should be “going green” whenever and wherever possible.

Our planet seems to be in a cycle of constant change.
According to an article by the National Oceanic and Atmospheric
Administration (NOAA) on in August, 2014, our planet likely
experienced its hottest weather millions of years ago. One period, which was
probably the warmest, was during the Neoproterozic around 600 to 800 million
years ago. Approximately 56 million years ago, our planet was in the
Paleocene-Eocene Thermal Maximum as global mean temperatures were estimated
as high as 73 degrees Fahrenheit, over 15 degrees above current levels.
Ocean sediments and fossils indicate that massive amounts of carbon dioxide
were released into the atmosphere.

By contrast, evidence shows there have been at least
five major ice ages on Planet Earth. One of the most well-documented and
largest, occurred from 850 to 630 million years ago, is called the
Cryogenian period. Glacial ice sheets likely reached all the way the equator
producing a “Snowball Earth.” Scientists believe that this massive ice age
ended due to increased underground volcanic activity and, perhaps, a much
warmer solar cycle.

One reason scientists believe that the Earth’s
temperature reached a record level in 2016 was the very strong El Nino in
the waters of the south-central Pacific Ocean that formed in 2015. El Nino
is the abnormal warming of ocean waters that often leads warmer air
temperatures and less snowfall during the winter seasons.

In 2007-08, a moderately strong La Nina, the cooler
than normal sea-surface temperature event, combined with extremely low solar
activity (storms on the sun), resulted in a period of global cooling and
record snowfalls across many parts of the northern U.S., Europe, Asia and
the Former Soviet Union. The same type of situation, perhaps more severe,
could occur again in the early 2020s, especially if we see a strong La Nina
combined with very low solar activity.

Climate scientists are not completely certain why ocean
waters suddenly warm up and cool down over a period of months or years. The
warming of sea-surface temperatures may be due, at least in part, to
increased underwater volcanic activity. Researchers
are constantly finding new active underwater volcanoes and thermal vents
that may be contributing to the warmer temperatures.

Recently, scientists discovered at least three to six
times more heat-spewing thermal vents along the seafloors where tectonic
plates are pulling apart. In 2003, at least nine hydrothermal vents along
the Gakkel Ridge in the Arctic Ocean were found. Arctic ice has been melting
at a steady pace in recent years and may be due to the warmer than normal
ocean waters. In April 2015, an underwater volcano known as the Axial
Seamount, about 300 miles off the coast of Oregon, erupted for a month and
added 88 billion gallons of molten rock to the ocean floor.

Since the 1950s, data suggests that ocean temperatures
have been getting warmer. According to research at the University of Alabama
in 2013, climate models indicate “a natural shift to stronger warm El Nino
events in the Pacific Ocean might be responsible for a substantial portion
of the global warming recorded during the past 50 years.”

By contrast to the Arctic ice melt, glaciers have been
thickening in Antarctica’s eastern interior. That portion of the continent
was experiencing increased snowfall and had a gain of about 100 billion tons
of ice per year from 1991 to 2008. But, there has been loss of glacier mass
in Antarctica’s western region.

From the late 1940s through the early 1970s, a climate
research organization called the Weather Science Foundation of Crystal Lake,
Illinois, determined that the planet’s warm, cold, wet and dry periods were
the result of alternating short-term and long-term climatic cycles. These
researchers and scientists also concluded that the Earth’s ever-changing
climate likewise has influenced global and regional economies, human and
animal migrations, science, religion and the arts as well as shifting forms
of government and strength of leadership.

Much of this data was based upon thousands of hours of
research done by Dr. Raymond H. Wheeler and his associates during the 1930s
and 1940s at the University of Kansas. Dr. Wheeler was well-known for his
discovery of various climate cycles, including his highly-regarded “510-Year
Drought Clock” that he detailed at the end of the “Dust Bowl” era in the
late 1930s.

One of the most recent cold periods was “The Little Ice
Age,” a 500-Year plus span that extended from the early 1300s to the mid
1800s. During that time, there was little solar activity, or solar storms,
which scientists refer to as the “Maunder Minimum.” There were also numerous
volcanic eruptions in the 1800s like Krakatoa and Mt. Tambora. In 1815, Mt.
Tambora has a major eruption which was the largest recorded one in human
history. The explosion sent thousands of tons of ash and dust into the
atmosphere resulting in the lowering of Earth’s temperature by several
degrees and numerous extremes. The event also led to a “year without a
summer” in 1816 across parts of northern Europe and U.S. as snow was
reported in each month of the year, including the summer season.

During the early 1970s, our planet was in the midst of
a colder and drier weather cycle that led to concerns of another “Little Ice
Age.” Inflationary recessions and oil shortages led to rationing and long
gas lines at service stations worldwide. Since that time, global
temperatures have steadily climbed to the levels they are today. But, there
were several interruptions of this global warming cycle. In June, 1991, Mt.
Pinatubo erupted in the Philippines leading a temporary drop of about one
degree of the Earth’s average temperature. In the late 2000s, a strong La
Nina and very low solar activity helped to send our planet’s average
temperature down to near the 20th Century average of 57 degrees
before rebounding in the early 2010s.

The Weather Science Foundation also predicted, based on
these various climate cycles, that our planet would turn much warmer and
wetter by the early 2000s, resulting in general global prosperity. They also
said that we would be seeing widespread weather “extremes.” There’s little
doubt that most of their early predictions came true.

In 2016 alone, data from NOAA shows that over 200,000
heat, cold and precipitation records were broken across the globe. Nearly 60
percent of the records were warm, about 28 percent were precipitation and
snow and the rest were cold. However, in early 2017, some of the coldest
weather in recorded history was seen across northern U.S., Europe, Asia and
Siberia in Russia where one station in early January 2017 went to -81
degrees Fahrenheit.

Dr. Wheeler also discovered that approximately every
102 years, a much warmer and drier climatic cycle affects our planet. The
last such “warm and dry” peak occurred in 1936, at the end of the infamous
“Dust Bowl” period. During that time, extreme heat and dryness, combined
with a multitude of problems during the “Great Depression,” made living
conditions practically intolerable.

Assuming we get a new and very strong cooler La Nina
sea-surface temperature pattern along with extremely low solar activity, we
may see a brief cool down of the Earth’s temperature around the early 2020s.
The next “warm and dry” climatic phase is scheduled to arrive in the early
2030s, probably peaking around 2038. It’s quite possible we could see an
average global temperature near 60 degrees, assuming there isn’t a major
volcanic eruption to disrupt this cycle.

Based on current data, this new warmer cycle could
produce even hotter and drier weather patterns than we saw during the late
1990s and early 2000s. We also believe that our prolonged cycle of wide
weather “extremes,” the worst in at least 1,000 years, will continue and
perhaps become more severe in the years to come.

We should remember, that the Earth’s coldest periods
have usually followed excessive warmth. Such was the case when our planet
moved from the Medieval Warm Period between 900 and 1300 A.D. to the sudden
“Little Ice Age,” which peaked in the 17th Century. Since 2,500 B.C., there
have been at least 78 major climate changes worldwide, including two major
changes in just the past 40 years. In terms of upcoming cooling and warming
periods, only time will tell.

Global temperature chart was complied by Climatologist Cliff Harris that
combined the following resources:

“Climate and the Affairs of Men” by Dr. Iben Browing.

“Climate…The Key to Understanding Business Cycles…The Raymond H.
Wheeler Papers. By Michael Zahorchak

Weather Science Foundation Papers in Crystal Lake, Illinois.


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