The excess heat in the atmosphere has been measured by
weather stations over land across the globe.
Figure 3: Relationship between percent of rainy days during each Jun - Aug 1977 - 2004 at
weather stations over the eastern US versus amounts by which Jun - Aug mean maximum surface temperatures are above or below their 28 - year means.
Presuming that we want to be able to compare weather records over time without having to adjust or note for changes in exposure and land use and ground cover, it is best to locate
weather stations over natural ground cover, and in an area not likely to experience significant changes in ground cover in the foreseeable future.
What you mean is that there are no permanent
weather stations over the Arctic Ocean.
The two longest ones are of temperature near the Earth's surface: a vast network of
weather stations over land areas, and ship data from the oceans.
That is, wouldn't it be better to look at the actual characteristics of
each weather station over time?
Not exact matches
When the official
weather station moved from downtown Buffalo to the Buffalo Niagara International Airport in 1943, it limited the amount of climate data from inside city limits
over the last 50 years.
On Venus, that would be long enough to act as a
weather station, monitoring changes in the atmosphere
over time.
Observation - based data sets, which focus mainly on local and regional climate, are obtained by taking raw climate measurements from
weather stations and applying it to a grid defined
over the globe.
«We still don't know exactly where the meltwater came from, but given that the average temperature at the nearest
weather station has risen by about 1.5 degrees Celsius (2.7 degrees Fahrenheit)
over the last 50 years, it makes sense that snow and ice are melting and the resulting water is seeping down beneath the glacier,» Thompson said.
Wondering how that cold spell compares to recent times, atmospheric scientists Susan Solomon of the National Oceanic and Atmospheric Administration's Aeronomy Laboratory in Boulder, Colorado, and Chuck Stearns of the University of Wisconsin, Madison, tracked the average monthly temperatures
over the last 15 years at a series of four automated
weather stations located, by coincidence, along Scott's return route.
EWeLiNE combines these data with other atmospheric observations — from ground - based
weather stations, radar and satellites — and sophisticated computer models predict power generation
over the next 48 hours or so.
Because
weather station locations and measurements change
over time, there is some uncertainty in the individual values in the GISTEMP index.
By correlating the relevant environmental variables through analysis of data from sources such as space,
weather stations, etc., the researchers were able to scientifically validate a potential cause for chick weight variation
over time.
First they used the
weather station data to determine how temperatures in Philadelphia's urban and surrounding rural areas had changed
over time.
Using updated and corrected temperature observations taken at thousands of
weather observing
stations over land and as many commercial ships and buoys at sea, the researchers show that temperatures in the 21st century did not plateau, as thought.
The team charted trends in rainfall from 1956 to 2005 in eastern China, which has 162
weather stations that provided complete data collected
over the entire 50 years.
They used a combination of field observations and data from local
weather stations to test a model of glacier change
over the past 50 years.
By the 1980's,
weather satellites could measure rainfall and cloud cover all
over the planet and infer things like air pressure by combining with
weather station data.
-- SIRIUS Travel Link ™ that when combined with voice activated navigation will provide users with a suite of data services including real - time traffic, coast - to - coast
weather conditions and fuel price information for
over 120,000 gas
stations.
I am especially fond of Hurd's painting Enemy Action
over American Bomber
Station because it reminds me of medieval woodcut prints of
weather and heavenly phenomena — in particular, Hans Glaser's depiction of a celestial event
over my birth town, Nuremberg, on 14 April 1561.
(If scientists with such a range of views agree that this work is valid, that seems to cut against arguments
over the reliability and utility of temperature records gathered by
weather stations — or am I missing something?)
Some, but not all, UK
weather stations have records of soil temperature dating back
over 100 years.
In this case, they have the long records from the
weather stations, and the relationship of the wider temperatures to those
stations over the satellite period, and this is what you get when you put that together.
There seem to me to be quite a few advantages that the Netatmo
weather station has
over using a
weather app or a TV broadcast, of which the most basic is that you get hyperlocal data - right from your yard and your home.
The researchers compared predictions of 22 widely used climate «models» — elaborate schematics that try to forecast how the global
weather system will behave — with actual readings gathered by surface
stations,
weather balloons and orbiting satellites
over the past three decades.
He presents measurements from
over a dozen
weather stations in the Northern Hemisphere where temperatures show a cooling trend in March.
The mean temperature change or the OHC increase is an integral
over all of that and therefore can be estimated to higher precision than any individual reading (just like for the
weather station record).
It is exactly parallel to the whole debate
over weather station siting.
Heathrow is just one of many
weather stations in the UK showing more sunshine hours — especially
over the last 20 years.
Combining the greater share of
weather stations in more urban areas
over time with this urban heat effect also tends to increase the rate that recorded temperatures tend to rise
over time.
«Methodology: Historical
weather station maximum temperature data was averaged
over November 22 - 28 for the period 1996 - 2015 to obtain the 2016 baseline.
However, the
weather station has been relocated several times
over the course of its record.
For example, some «skeptics» who don't understand anomalies are worried that the dropout of lots of cold
weather stations in Siberia
over the last few decades has biased the record warm.
The late John Daly showed that there was no evidence for any global warming at
over 200 rural and remote
weather stations upto ca. 2001.
The same applies to data from individual
weather stations taken
over the last 150 years.
For a couple years I have been pointing out (along with Judith Curry and others) that the latest fad — which puts a lot of warming in recent data — is to extend high - latitude land
weather station data far out
over the Arctic Ocean.
In December, U.S.
weather stations reported
over 2000 record cold and snow days.
Because the locations and measurement practices of
weather stations change
over time, there are uncertainties in the interpretation of specific year - to - year global mean temperature differences.
The study team analyzed several million daily high and low temperature readings taken
over the span of six decades at about 1,800
weather stations across the country, thereby ensuring ample data for statistically significant results.
We will analyze synoptic - scale
weather patterns from global reanalysis models
over the past 50 years, utilizing a variety of techniques including self - organizing maps, such that these
weather patterns can be tied to variations in core proxies, as well as relate this to ten years (2003 - 2013) of records from about a dozen automated
weather stations located on and near McCall Glacier.
Trend in
weather station adjustments
over the period 1965 - 2014, averaged by grid cell.
The author presents volumes of data from actual
weather station records that show average temperatures declining
over recent decades in many places.
The IEDRO teams take a different tack — searching for records in the back rooms at local
weather stations all
over the world.
Deep in the dusty catalogs of
weather stations and meteorological offices all
over the world are hidden treasures.
So if you want to you can take the sea level as a proxy for global warming — all the fuss and fracas
over the accuracy of
weather stations can be discarded — just read the sea level, something that is now possible to the nearest millimetre thanks to the satellites.
Significant Decreasing Trend In Severe
Weather Since 1961 Zhang et al., 2017 Based on continuous and coherent severe
weather reports from
over 500 manned
stations, for the first time, this study shows a significant decreasing trend in severe
weather occurrence -LSB-...]
They wanted to better understand how the climate of the Alaska Range has changed
over the past several hundred years, because few
weather station records of past climate in mountainous areas go back further than 1950.
1)
Over the few meters distance between the ground and the
weather station, I doubt this is going to be significant.
Anthony Watts» http://www.surfacestations.org website shows that
over half of the USHCN
weather stations have errors of at least 2 deg C, so why isn't anyone rectifying the problem.