Sentences with phrase «weather stations over»

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.
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