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US weathermen start to doubt AGW

E

Eeyore

Cleveland-area TV meteorologists disagree with prevailing attitude about
climate change
Posted by Michael Scott/Cleveland Plain Dealer Reporter

December 02, 2008 22:35PM Categories: Environment, Real Time News

They will tell you when the skies might rain or snow in fickle Northeast
Ohio, when to bundle up the kids in a cold snap and when to make weekend
plans if steady sunshine spans the five-day forecast. They also will
tell you that human-caused global warming is hogwash. They’re your
local TV meteorologists.


“This cry that ‘We’re all going to die’ is an overreaction and just not
good science,” said Andre Bernier, a meteorologist at WJW Channel 8. “I
don’t think I personally know any meteorologists — here in Cleveland or
anywhere else I’ve worked — who agree with the hype over human-induced
warming.”

The local TV weatherscape is indeed populated with on-air personalities
who are pushing hard against the prevailing winds of climate science.
That prevailing thought — supported by the United Nations’ 1,200-member
Intergovernmental Panel on Climate Change, the National Academy of
Sciences, the American Meteorological Society and others — is this:

The Earth’s climate overall is warming and the human burning of fossil
fuels in cars and industry — which release carbon dioxide — is helping
to accelerate that change. Further, climate experts say, there could be
dire consequences if humanity doesn’t quickly lessen the accumulation of
greenhouse gases and adequately adapt to a warming globe.

The American Meteorological Society has strongly affirmed that stance,
but accredits even the on-air meteorologists who rail against it.

“Our stance is pretty clear on this and we’re in agreement with the
global warming scenario as set out by the international panel,” said
Keith Seitter, AMS executive director.

“Still, we think they should research all that they can,” he said. “And
really, there should be less and less skepticism out there as the
science improves each year — not more.”

Prime-time doubters

But, there are doubters — all AMS certified — in prominent on-air
positions at each of the four Cleveland television stations.


Bernier and Dick Goddard — the patriarch of Cleveland weather
forecasters — predict the weather at WJW Channel 8. Both cite natural
fluctuations in the Earth’s climate and dismiss the industrialization of
the 20th century and the subsequent spike in atmospheric carbon dioxide
as the cause for warming.

Goddard compared the current anxiety over warming with the global
cooling concerns of the 1970s, which have since dissipated. He and
Bernier both point to solar cycles as the key ingredient in climate
change. Bernier also said he believes the climate is no longer warming
— but, rather, cooling again. “I have a hunch that in 10 years we’re
all going to be longing for global warming because it will be so cold,”
Bernier said. His Web site, andrebernier.com, links to a Canadian
documentary that suggests the same. Others in the skeptic camp include
meteorologists Jon Loufman at WOIO Channel 19, Mark Johnson at WEWS
Channel 5 and Mark Nolan at WKYC Channel 3. Nolan has since moved to the
news desk, but he said he still gets questions about his skeptic’s
stance.

“Climate records also show that long before industrialization, the
Vikings had settled in Greenland because it was warm enough,” said
Loufman, who has taught meteorology courses at both Case Western Reserve
University and Lakeland Community College. “I think the jury is still
out on this.” So what in the name of the National Weather Service is
going on here?

Do the local weather guys know more than an international committee of
several thousand climate scientists? Or are they too blinded by
lake-effect snow squalls to see the big picture?

Widening rift?

For starters, the drift away from global warming among TV weather
forecasters is hardly limited to Cleveland. “This is nationwide,” said
Stu Ostro, meteorologist and director of weather communications for the
Weather Channel in Atlanta. AMS chief Seitter agreed: “I’ve seen the
trend, too,” he said. “But I still don’t understand why there would be
more skepticism among the TV meteorologists than in the field overall —
but there is.”

The most notable example of dissent among meteorologists has been the
Weather Channel’s founder, John Coleman, now a TV forecaster in San
Diego. Coleman — whom Seitter quickly points out remained with the
Weather Channel for only a year in the early 1980s — has said
human-induced warming is “the greatest scam in history.”

There have been others, from the longtime director of the National
Hurricane Center to Accu-Weather.com’s long-range forecaster, who told
The Plain Dealer that “global warming is being forced down the throats
of the public.”

Source of dissent

So what’s behind all of this? Dick Goddard said the answer is that
weather forecasters appreciate better the lack of reliable records.
“There’s only one constant, and that’s change,” he said. “We’ve only got
accurate weather records back to 1874 and things have been changing back
and forth since long before that.” Bernier said local meteorologists
“are just more practical” and not swayed by the opportunity for more
grant money to do more research proving climate change.

But Seitter, a former skeptic himself, said meteorologists who make
daily weather calls have a natural rivalry with climatologists who look
at longer-range trends. “Those of us in weather are used to seeing
extremes all the time,” he said. “Why should we think that anything is
different today just because one day is hot, another day has heavy
rains? Meteorologists often see those things as natural variability.”
Seitter said many meteorologists also don’t trust models — “because
we’ve seen how wrong they can be in predicting weather” — and that most
don’t interact with other scientists beyond other meteorologists. “We
sort of live in our own world and haven’t been exposed to the same
volumes of research that the climatologists have,” he said. “And that
can sometimes lead to a rivalry among the two groups — where some
meteorologists are defensive and some climatologists might be
condescending, or at least come off that way.”

Jay Hobgood, head of the Atmospheric Sciences Department at Ohio State
University, agreed. He said the university teaches the IPCC findings on
global warming, but allows for debate. “The day-to-day meteorologists
are seeing anecdotal evidence, but not the research that goes back
thousands of years,” he said. “The two disciplines are very related, but
the time span being looked at is very different. “Looking at the daily
weather doesn’t necessarily tell you the climate is changing.”

http://wattsupwiththat.com/2008/12/...ith-prevailing-attitude-about-climate-change/

Graham
 
J

J.A. Legris

Cleveland-area TV meteorologists disagree with prevailing attitude about
climate change
Posted by Michael Scott/Cleveland Plain Dealer Reporter

December 02, 2008 22:35PM Categories: Environment, Real Time News

They will tell you when the skies might rain or snow in fickle Northeast
Ohio, when to bundle up the kids in a cold snap and when to make weekend
plans if steady sunshine spans the five-day forecast.  They also will
tell you that human-caused global warming is hogwash.  They’re your
local TV meteorologists.

“This cry that ‘We’re all going to die’ is an overreaction and just not
good science,” said Andre Bernier, a meteorologist at WJW Channel 8. “I
don’t think I personally know any meteorologists — here in Cleveland or
anywhere else I’ve worked — who agree with the hype over human-induced
warming.”

The local TV weatherscape is indeed populated with on-air personalities
who are pushing hard against the prevailing winds of climate science.
That prevailing thought — supported by the United Nations’ 1,200-member
Intergovernmental Panel on Climate Change, the National Academy of
Sciences, the American Meteorological Society and others — is this:

The Earth’s climate overall is warming and the human burning of fossil
fuels in cars and industry — which release carbon dioxide — is helping
to accelerate that change.  Further, climate experts say, there could be
dire consequences if humanity doesn’t quickly lessen the accumulation of
greenhouse gases and adequately adapt to a warming globe.

The American Meteorological Society has strongly affirmed that stance,
but accredits even the on-air meteorologists who rail against it.

“Our stance is pretty clear on this and we’re in agreement with the
global warming scenario as set out by the international panel,” said
Keith Seitter, AMS executive director.

“Still, we think they should research all that they can,” he said. “And
really, there should be less and less skepticism out there as the
science improves each year — not more.”

Prime-time doubters

But, there are doubters — all AMS certified — in prominent on-air
positions at each of the four Cleveland television stations.

Bernier and Dick Goddard — the patriarch of Cleveland weather
forecasters — predict the weather at WJW Channel 8. Both cite natural
fluctuations in the Earth’s climate and dismiss the industrialization of
the 20th century and the subsequent spike in atmospheric carbon dioxide
as the cause for warming.

Goddard compared the current anxiety over warming with the global
cooling concerns of the 1970s, which have since dissipated. He and
Bernier both point to solar cycles as the key ingredient in climate
change.  Bernier also said he believes the climate is no longer warming
— but, rather, cooling again.  “I have a hunch that in 10 years we’re
all going to be longing for global warming because it will be so cold,”
Bernier said. His Web site, andrebernier.com, links to a Canadian
documentary that suggests the same.  Others in the skeptic camp include
meteorologists Jon Loufman at WOIO Channel 19, Mark Johnson at WEWS
Channel 5 and Mark Nolan at WKYC Channel 3. Nolan has since moved to the
news desk, but he said he still gets questions about his skeptic’s
stance.

“Climate records also show that long before industrialization, the
Vikings had settled in Greenland because it was warm enough,” said
Loufman, who has taught meteorology courses at both Case Western Reserve
University and Lakeland Community College. “I think the jury is still
out on this.”  So what in the name of the National Weather Service is
going on here?

Do the local weather guys know more than an international committee of
several thousand climate scientists? Or are they too blinded by
lake-effect snow squalls to see the big picture?

Widening rift?

For starters, the drift away from global warming among TV weather
forecasters is hardly limited to Cleveland.  “This is nationwide,” said
Stu Ostro, meteorologist and director of weather communications for the
Weather Channel in Atlanta.  AMS chief Seitter agreed: “I’ve seen the
trend, too,” he said. “But I still don’t understand why there wouldbe
more skepticism among the TV meteorologists than in the field overall —
but there is.”

The most notable example of dissent among meteorologists has been the
Weather Channel’s founder, John Coleman, now a TV forecaster in San
Diego.  Coleman — whom Seitter quickly points out remained with the
Weather Channel for only a year in the early 1980s — has said
human-induced warming is “the greatest scam in history.”

There have been others, from the longtime director of the National
Hurricane Center to Accu-Weather.com’s long-range forecaster, who told
The Plain Dealer that “global warming is being forced down the throats
of the public.”

Source of dissent

So what’s behind all of this?  Dick Goddard said the answer is that
weather forecasters appreciate better the lack of reliable records.
“There’s only one constant, and that’s change,” he said. “We’ve only got
accurate weather records back to 1874 and things have been changing back
and forth since long before that.”  Bernier said local meteorologists
“are just more practical” and not swayed by the opportunity for more
grant money to do more research proving climate change.

But Seitter, a former skeptic himself, said meteorologists who make
daily weather calls have a natural rivalry with climatologists who look
at longer-range trends.  “Those of us in weather are used to seeing
extremes all the time,” he said. “Why should we think that anything is
different today just because one day is hot, another day has heavy
rains? Meteorologists often see those things as natural variability.”
Seitter said many meteorologists also don’t trust models — “because
we’ve seen how wrong they can be in predicting weather” — and that most
don’t interact with other scientists beyond other meteorologists.  “We
sort of live in our own world and haven’t been exposed to the same
volumes of research that the climatologists have,” he said.  “And that
can sometimes lead to a rivalry among the two groups — where some
meteorologists are defensive and some climatologists might be
condescending, or at least come off that way.”

Jay Hobgood, head of the Atmospheric Sciences Department at Ohio State
University, agreed. He said the university teaches the IPCC findings on
global warming, but allows for debate.  “The day-to-day meteorologists
are seeing anecdotal evidence, but not the research that goes back
thousands of years,” he said. “The two disciplines are very related, but
the time span being looked at is very different.  “Looking at the daily
weather doesn’t necessarily tell you the climate is changing.”

http://wattsupwiththat.com/2008/12/03/cleveland-area-tv-meteorologist...

Graham

Do you think climatologists might be starting to doubt US weathermen?
I'm betting on the guys with Ph.D.'s.
 
With the exception of Goddard, most of them just report copy from a
private source such as accu-weather etc

I live in the Akron-Cleveland Area, and get much more accurate weather
from the NWS then any of the above, with the exception of Goddard, who
is semi-retired.

Steve Roberts
 
R

Richard Henry

The most notable example of dissent among meteorologists has been the
Weather Channel’s founder, John Coleman, now a TV forecaster in San
Diego.  Coleman — whom Seitter quickly points out remained with the
Weather Channel for only a year in the early 1980s — has said
human-induced warming is “the greatest scam in history.”
I occasionally watch Coleman locally on KUSI. He is more of a TV
clown than scientist.
 
E

Eeyore

Richard said:
I occasionally watch Coleman locally on KUSI. He is more of a TV
clown than scientist.

Plenty of weathermen and women put on a bit of an act on TV.

Graham
 
G

GregS

Plenty of weathermen and women put on a bit of an act on TV.

Some regard the initial popularity of the Weather Channel to
attractive youg women, and I do like to watch entertaining
weatherman. They don't have to do strange tricks, but just
come out with flare and enthusiasm even though the weather
is going to be bleak.


greg
 
E

Eeyore

GregS said:
Some regard the initial popularity of the Weather Channel to
attractive youg women, and I do like to watch entertaining
weatherman. They don't have to do strange tricks, but just
come out with flare and enthusiasm even though the weather
is going to be bleak.

Notorious for this was Ian McCaskill of the BBC.
http://en.wikipedia.org/wiki/Ian_McCaskill

" Ian McCaskill (born 28 July 1938) is a former BBC weatherman. His Scottish accent, manner of speech,
and relentless (some would call unseemly) enthusiasm for severe weather made him popular with
viewers." What it doesn't say there is he was especially popular with housewives despite being short
and quite chubby !

Graham
 
M

Maximust

Eeyore said:
Cleveland-area TV meteorologists disagree with prevailing attitude about
climate change


TV weathermen are entertainers and clowns.

Thanks for the laugh.
 
B

Bob Eld

snip....
The most notable example of dissent among meteorologists has been the
Weather Channel's founder, John Coleman, now a TV forecaster in San
Diego. Coleman - whom Seitter quickly points out remained with the
Weather Channel for only a year in the early 1980s - has said
human-induced warming is "the greatest scam in history."
Graham
cut...

San Diego?? There's no weather in San Diego! In San Diego if you don't like
the current weather, wait six months, it might change!

Here's the forecast for 300 days out of a year: Night and morning low clouds
clearing to sunny, breezes out of the west, 5 mph, High 75, Low, 60. Same
thing, day in, day out. Yawn!
 
R

Richard Henry

snip....> The most notable example of dissent among meteorologists has been the

cut...

San Diego??  There's no weather in San Diego! In San Diego if you don'tlike
the current weather, wait six months, it might change!

Here's the forecast for 300 days out of a year: Night and morning low clouds
clearing to sunny, breezes out of the west, 5 mph, High 75, Low, 60. Same
thing, day in, day out. Yawn!

And yet we have such excellent meteorologists:

"She became a weather forecaster at KFMB, a local San Diego television
station."

http://en.wikipedia.org/wiki/Raquel_Welch
 
Z

z

Cleveland-area TV meteorologists disagree with prevailing attitude about
climate change

In other news, tv news anchors start to doubt whether camera 2 is
picking up too much glare from their foreheads
 
A

Angelo Campanella

z said:
In other news, tv news anchors start to doubt whether camera 2 is
picking up too much glare from their foreheads

And other assorted moronic activities.

It has been clear for some months or a year or two (decades for me)
that any warming trend is at most puny and likely nil. The swings of
common (all the time I have been alive) weather patterns are not
outreached. The reality is that persons have a remarkably poor memory
for the bad times and bad weather (except for their own exaggerations).
The TV crews score high in this regard.

My calculations and analysis of the modern discharge of fossil energy
and CO2 is that at most the surface air is raised by maybe 1/2 to 1
degree fahrenheit, and that increment would disappear over a few days if
we stopped burning fuels. This is on the basis of our fuel burn vs the
more or less steady solar energy input to planet earth, and the
temperature increase that energy would engender vis-a-vis the
Stephan-Boltzmann Law.

As far as CO2 air concentration affecting the air (global) temperature,
remember the Krakatoa eruption over a century ago actually brought earth
air cooling for a year. That suggests that adding contaminants to the
air increases heat loss, rather than retaining heat.

That makes sense to me. Clean air has the greatest insulating
properties. Addition of polar milecules such as water vapor and carbon
dioxide increases the heat loss in dark hours via infrared radiation out
to space. During daylight, those gasses also increse the capture of heat
in the stratosphere, so that some heat never reaches the ground. That
heat - being in the clear upper atmosphere - is easily radiated off via
infrared radiation at night. So it is equally likely, if not mpore so,
that increased CO2 will lead to a DECEASE in ground temperature. More
analysis and research is needed. I have heard no such work being achieved.

The problem has been that up to now, it has been vastly easier to get
federal research dollars (thanks the Al Gore and friends) to try to
ptove that WARMING is occurring than it is to objectively research the
question as to which is the sum total true net effect. We need to launch
a BLUE team to prove that cooling may be upon us as well as the long
term RED team that has been digging up evidence ear after year that
there COULD be global warming going on.

Where has the objectivity in NSF gone?

BO & friends ain't gonna help.

We are in for a cold four yuears.

Angelo Campanella
 
V

V for Vendicar

Angelo Campanella said:
It has been clear for some months or a year or two (decades for me) that
any warming trend is at most puny and likely nil.


Here are the global average temperatures since 1958. "o" = trend line.

Look at all those "o"'s lined up there. The trend is up, Up, UP.

And most recently the rate of increase is about 2'C per century.

View with mono spaced font.

1958 14.08 *******o***************
1959 14.06 ********o************
1960 13.99 *********o******
1961 14.08 **********o************
1962 14.04 ***********o********
1963 14.08 ************o**********
1964 13.79 **===========o
1965 13.89 *********====o
1966 13.97 **************o
1967 14.00 ***************o*
1968 13.96 **************==o
1969 14.08 *****************o*****
1970 14.03 ******************o
1971 13.90 **********=========o
1972 14.00 *****************===o
1973 14.14 ********************o******
1974 13.92 ***********==========o
1975 13.95 *************=========o
1976 13.84 ******=================o
1977 14.13 ************************o*
1978 14.02 ******************=======o
1979 14.09 ***********************===o
1980 14.18 ***************************o**
1981 14.27 ****************************o*******
1982 14.05 ********************========o
1983 14.26 *****************************o*****
1984 14.09 ***********************=======o
1985 14.06 *********************==========o
1986 14.13 **************************======o
1987 14.27 *********************************o**
1988 14.31 **********************************o****
1989 14.19 ******************************=====o
1990 14.38 ************************************o*******
1991 14.35 ************************************o****
1992 14.12 *************************============o
1993 14.14 ****************************===========o
1994 14.24 **********************************=====o
1995 14.38 ****************************************o***
1996 14.30 **************************************===o
1997 14.40 ******************************************o**
1998 14.57 *******************************************o*************
1999 14.33 ****************************************===o
2000 14.33 ****************************************====o
2001 14.48 *********************************************o*****
2002 14.56 **********************************************o*********
2003 14.55 ***********************************************o*******
2004 14.49 ************************************************o**
2005 14.62 *************************************************o**********
2006 14.54 **************************************************o****
2007 14.56 ***************************************************o*****
-------------------------------------------> Temperature

Correlation Coefficient .8529209

Source NASAS ->
http://data.giss.nasa.gov:80/gistemp/tabledata/GLB.Ts+dSST.txt

 
Z

z

        And other assorted moronic activities.

        It has been clear for some months or a year or two (decades for me)
that  any warming trend is at most puny and likely nil. The swings of
common (all the time I have been alive) weather patterns are not
outreached. The reality is that persons have a remarkably poor memory
for the bad times and bad weather (except for their own exaggerations).
The TV crews score high in this regard.

        My calculations and analysis of the modern discharge of fossil energy
and CO2 is that at most the surface air is raised by maybe 1/2 to 1
degree fahrenheit, and that increment would disappear over a few days if
we stopped burning fuels. This is on the basis of our fuel burn vs the
more or less steady solar energy input to planet earth, and the
temperature increase that energy would engender vis-a-vis the
Stephan-Boltzmann Law.

        As far as CO2 air concentration affecting the air (global) temperature,
remember the Krakatoa eruption over a century ago actually brought earth
air cooling for a year. That suggests that adding contaminants to the
air increases heat loss, rather than retaining heat.

        That makes sense to me. Clean air has the greatest insulating
properties. Addition of polar milecules such as water vapor and carbon
dioxide increases the heat loss in dark hours via infrared radiation out
to space. During daylight, those gasses also increse the capture of heat
in the stratosphere, so that some heat never reaches the ground. That
heat - being in the clear upper atmosphere - is easily radiated off via
infrared radiation at night. So it is equally likely, if not mpore so,
that increased CO2 will lead to a DECEASE in ground temperature. More
analysis and research is needed. I have heard no such work being achieved..

        The problem has been that up to now, it has been vastly easier to get
federal research dollars (thanks the Al Gore and friends) to try to
ptove that WARMING is occurring than it is to objectively research the
question as to which is the sum total true net effect. We need to launch
a BLUE team to prove that cooling may be upon us as well as the long
term RED team that has been digging up evidence ear after year that
there COULD be global warming going on.

        Where has the objectivity in NSF gone?

        BO & friends ain't gonna help.

        We are in for a cold four yuears.

                Angelo Campanella

if only the ipcc had access to your compendium of data, they would not
be so confused.
 
V said:
Here are the global average temperatures since 1958. "o" = trend line.

Look at all those "o"'s lined up there. The trend is up, Up, UP.

And most recently the rate of increase is about 2'C per century.

View with mono spaced font.

1958 14.08 *******o***************
1959 14.06 ********o************
1960 13.99 *********o******
1961 14.08 **********o************
1962 14.04 ***********o********
1963 14.08 ************o**********
1964 13.79 **===========o
1965 13.89 *********====o
1966 13.97 **************o
1967 14.00 ***************o*
1968 13.96 **************==o
1969 14.08 *****************o*****
1970 14.03 ******************o
1971 13.90 **********=========o
1972 14.00 *****************===o
1973 14.14 ********************o******
1974 13.92 ***********==========o
1975 13.95 *************=========o
1976 13.84 ******=================o
1977 14.13 ************************o*
1978 14.02 ******************=======o
1979 14.09 ***********************===o
1980 14.18 ***************************o**
1981 14.27 ****************************o*******
1982 14.05 ********************========o
1983 14.26 *****************************o*****
1984 14.09 ***********************=======o
1985 14.06 *********************==========o
1986 14.13 **************************======o
1987 14.27 *********************************o**
1988 14.31 **********************************o****
1989 14.19 ******************************=====o
1990 14.38 ************************************o*******
1991 14.35 ************************************o****
1992 14.12 *************************============o
1993 14.14 ****************************===========o
1994 14.24 **********************************=====o
1995 14.38 ****************************************o***
1996 14.30 **************************************===o
1997 14.40 ******************************************o**
1998 14.57 *******************************************o*************
1999 14.33 ****************************************===o
2000 14.33 ****************************************====o
2001 14.48 *********************************************o*****
2002 14.56 **********************************************o*********
2003 14.55 ***********************************************o*******
2004 14.49 ************************************************o**
2005 14.62 *************************************************o**********
2006 14.54 **************************************************o****
2007 14.56 ***************************************************o*****
-------------------------------------------> Temperature

Correlation Coefficient .8529209

Source NASAS ->
http://data.giss.nasa.gov:80/gistemp/tabledata/GLB.Ts+dSST.txt


where were the thermometers located for this data...

can you eliminate the possibility of the "heat island effect"

Mark
 
Z

z

where were the thermometers located for this data...

can you eliminate the possibility of the "heat island effect"

no offense, but are you thinking nobody thought of that before? or is
your google broken? jeez it's only been summarized by the IPCC for 7
years now. isn't that where somebody would look to find out if
questions like this had been adequately answered?

"The last paper also separates rural temperature stations in the
Global Historical Climatology Network (GHCN) (Peterson and Vose, 1997)
from the full set of stations which, in common with the other three
analyses, have been screened for urbanisation effects. While there is
little difference in the long-term (1880 to 1998) rural (0.70°C/
century) and full set of station temperature trends (actually less at
0.65°C/century), more recent data (1951 to 1989), as cited in Peterson
et al. (1999), do suggest a slight divergence in the rural (0.80°C/
century) and full set of station trends (0.92°C/century). However,
neither pair of differences is statistically significant. In addition,
while not reported in Peterson et al., the 1951 to 1989 trend for
urban stations alone was 0.10°C/decade. We conclude that estimates of
long-term (1880 to 1998) global land-surface air temperature
variations and trends are relatively little affected by whether the
station distribution typically used by the four global analyses is
used, or whether a special effort is made to concentrate on rural
stations using elaborate criteria to identify them. Part of the reason
for this lack of sensitivity is that the average trends in available
worldwide urban stations for 1951 to 1989 are not greatly more than
those for all land stations (0.09°C/decade). The differences in trend
between rural and all stations are also virtually unaffected by
elimination of areas of largest temperature change, like Siberia,
because such areas are well represented in both sets of stations.

"These results confirm the conclusions of Jones et al. (1990) and
Easterling et al. (1997) that urban effects on 20th century globally
and hemispherically averaged land air temperature time-series do not
exceed about 0.05°C over the period 1900 to 1990 (assumed here to
represent one standard error in the assessed non-urban trends).
However, greater urbanisation influences in future cannot be
discounted. Note that changes in borehole temperatures (Section
2.3.2), the recession of the glaciers (Section 2.2.5.4), and changes
in marine temperature (Section 2.2.2.2), which are not subject to
urbanisation, agree well with the instrumental estimates of surface
warming over the last century."
-Climate Change 2001: Working Group I: The Scientific Basis
2.2 How Much is the World Warming?
2.2.2 Temperature in the Instrumental Record for Land and Oceans
2.2.2.1 Land-surface air temperature
 
z said:
no offense, but are you thinking nobody thought of that before? or is
your google broken? jeez it's only been summarized by the IPCC for 7
years now. isn't that where somebody would look to find out if
questions like this had been adequately answered?

"The last paper also separates rural temperature stations in the
Global Historical Climatology Network (GHCN) (Peterson and Vose, 1997)
from the full set of stations which, in common with the other three
analyses, have been screened for urbanisation effects. While there is
little difference in the long-term (1880 to 1998) rural (0.70�C/
century) and full set of station temperature trends (actually less at
0.65�C/century), more recent data (1951 to 1989), as cited in Peterson
et al. (1999), do suggest a slight divergence in the rural (0.80�C/
century) and full set of station trends (0.92�C/century).



Yes of course I know this is not a new idea..

The "essay" takes many many words to say that the heat island effect
is not significant. This does not agree with common sense nor my
personal experience. On many hot summer nights or days, there is
often a LARGE temperature difference between the city and the
surrounding rural areas. This is a common fact that we have all
experienced first hand. If the results of the long winded analysis
cannot see this obvious fact, then the analysis is suspect.

In other words, if one of the conclusions of the anaysis is that the
heat island effect is not significant, then that brings into question
all the other conclusions. If the anlysis cannot detect the common 10
degree F or more difference between city and rural, then how can we
trust the conclusion regarding fractional degree heat rises over time.

Mark
 
K

kT

This does not agree with common sense nor my personal experience.

Common sense and personal experience are not generally accepted
scientific methods. Surely you must understand that, right?
 
kT said:
Common sense and personal experience are not generally accepted
scientific methods. Surely you must understand that, right?

I also understand that we can both find scientific studies that
proport to prove both sides of this disscussion. All any of us
mortals can do is line up with our choice of scientistists. Or we
can also apply our own first hand knowledge and logic and common
sense.

Yes the Earth at first seems flat and common sense says it's flat, but
if you consider the argument that it is round and apply a few personal
observations and some critical thought, you can conclude that it is
indeed round.

But when someone tells me there is no heat island effect, there is no
way I can reconcile that with my own observations. At that point I
have to start considering their motivations or possible errors.

Does a conclusion that there is no heat island effect seem correct to
you?.. I mean to YOU personally, based on your own personal
observations and critical thought.

Mark
 
A

Angelo Campanella

V said:

Surveying those NASA data (started just before the 1883 Krakatoa
eruption), it goes from -20 hundredths of a degreeC up to +70
hundredths, about a 7/10 rise, or just over 1 defree F.. about what I
calculate on the basis of consumption of fuels worldwide. If we stop
using those fuels, the temperature would drop right down again.

Comparing our weather over the past decade, how are we more greatly
suffering now year after year as compared to what was being suffered the
late 1800's? (I'm not tlking about whining and complaining, I'm talking
about suffering, drowning, starvation, etc) Anyone venture to make a guess?

Angelo Campanella
 
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