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Topic: Meteorological phenomenon


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In the News (Mon 23 Nov 09)

  
  Upgrade of data transmission and processing systems at the Forecasting Offices and Airport Meteorological Offices
The Airport Offices are responsible for the civil aviation meteorological screening, passing the specialised forecasts prepared by their supervising forecast offices.
The Hydrological and Meteorological Forecasting Centre and the branches in Gdynia, Szczecin, Białystok, Poznań, Wrocław and Kraków prepare analyses, forecasts and warnings using the visualisation PC systems developed in the past.
Meteorological research will focus on the maximum system contribution to the improvement of meteorological and hydrological management.
www.imgw.pl /wl/internet/zz/english/projects/_smok_des/html/ab2_3.html   (2117 words)

  
 "The Presence": Psychogenic Event, Weather Phenomenon, or Alien Presence?
phenomenon came from all parts of the globe and have continued since that date.
phenomenon is an attempt to communicate by a class of being which humans may not even be able to perceive
The first reports of the phenomenon widely known as “The Presence” were recorded on February 4.
www.briantsunoda.com   (1689 words)

  
  Phenomenon - The Black Vault Encyclopedia Project
A phenomenon (plural: phenomena) is an observable event, particularly something special (literally something that can be seen, derived from the Greek word phainomenon = observable).
Phenomenon has a specialized meaning in the philosophy of Immanuel Kant who contrasted the term Phenomenon with noumenon.
It was an attempt to explain phenomena like; earthquakes, lightning, rain, fire, sunrise, thunderstorm, rusting that lead to the development of modern science.
www.theblackvault.com /wiki/index.php?title=Phenomenon&redirect=no   (371 words)

  
  Meterological Drought
It is also commonly recognized that other meteorological elements, such as temperature, wind, and relative humidity, may aggravate the severity and impacts of drought in some instances.
Meteorological and climatological drought is defined in terms of the departure from normal and the duration of the event.
Drought is a slow-onset phenomenon that usually takes at least three months to develop and may last for several seasons or years.
www.ametsoc.org /policy/drought2.html   (1846 words)

  
 [No title]   (Site not responding. Last check: )
A weather prediction system which predicts a meteorological phenomenon in each of regions, which are obtained by fractionating a specific region in advance, on the basis of prediction information and observation information of a meteorological factor, which are periodically provided from an outside, comprising:
meteorological phenomenon prediction means for predicting the meteorological phenomenon in each region by inputting the prediction information and observation information of the meteorological factor to a local numerical weather prediction model of the specific region;
wherein the meteorological phenomenon prediction means receives the generated heat value predicted for each region and adds the generated heat value predicted for each region to the input prediction information and observation information to thereby reflect the generated heat value predicted for each region on the numerical weather prediction model.
www.uspto.gov /web/patents/patog/week28/OG/html/1308-2/US07076368-20060711.html   (215 words)

  
 Phenomenon - The Black Vault Encyclopedia Project   (Site not responding. Last check: )
A phenomenon (plural: phenomena) is an observable event, particularly something special (literally something that can be seen, derived from the Greek word phainomenon = observable).
Phenomenon has a specialized meaning in the philosophy of Immanuel Kant who contrasted the term Phenomenon with noumenon.
"No phenomenon is a phenomenon until it is an observed phenomenon" Niels Bohr.
www.blackvault.com /wiki/index.php/Phenomenon   (371 words)

  
 ESA Human Spaceflight | Users » LSO
Sprites are a meteorological phenomenon discovered in 1989, which have the appearance of a luminous glow above lightning storms between 50 - 90km above the Earth’s surface.
The aim of this experiment is to observe sprites during storms, determine the energy emitted by them (and elves, which are similar phenomenon to sprites), and compare this to nightly emissions of lightning.
This ever-fascinating phenomenon of nature often plays havoc with radio communications and power lines and it is important to be able to predict when and where they will strike to take necessary precautions and countermeasures.
www.spaceflight.esa.int /users/file.cfm?filename=miss-delta-exp-lso   (289 words)

  
 Append-g
Meteorological jargon; a term for the initial, preflight preparation and calibration of a radiosonde.
A generic term for describing the spatial extent of a meteorological phenomenon, generally encompassing the range 100 to 1000 km.
In meteorology, this term has become somewhat specialized in referring to the use of meteorological data obtained simultaneously over a wide area for the purpose of presenting a comprehensive and nearly instantaneous picture of the state of the atmosphere.
www.ofcm.gov /fmh3/text/appendg.htm   (1981 words)

  
 CalendarHome.com - Winter - Calendar Encyclopedia
Meteorological winter is the season having the shortest days (which vary greatly according to latitude) and the lowest temperatures.
A rare meteorological phenomenon encountered during winter is ice fog, which is composed of ice crystals suspended in the air and happening only at very low temperatures (at least 10 degrees below zero Fahrenheit).
Astronomically, it starts with the winter solstice (around December 21 in the Northern Hemisphere and June 21 in the Southern Hemisphere), and ends with the spring equinox (around March 21 in the Northern Hemisphere and September 23 in the Southern Hemisphere).
encyclopedia.calendarhome.com /Winter.htm   (1588 words)

  
 Meteorology
Meteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting.
Meteorological phenomena are observable weather events which illuminate and are explained by the science of meteorology.
Another variation is the use of standard deviations from climatology in various meteorological fields.
articles.gourt.com /en/Meteorological   (2081 words)

  
 Rainbows and Clouds Pictures
A rainbow is an optical and meteorological phenomenon that causes a nearly continuous spectrum of light to appear in the sky when the Sun shines onto droplets of moisture in the Earth's atmosphere.
This phenomenon can be confused with the glory, but a glory is usually much smaller, covering only 5°–20°, as opposed to over 80° for a full circle rainbow.
Occasionally, another beautiful and striking rainbow phenomenon can be observed, consisting of several faint rainbows on the inner side of the primary rainbow, and very rarely also outside the secondary rainbow.
www.colorado-photos.net /rainbows-clouds.html   (1872 words)

  
 Meteorological Service
Meteorological data are obtained from various sources such as through a network of weather observational stations located at various parts on the island.
The Singapore National Meteorological Center is linked to counterparts in the neighbouring countries by medium to high-speed telecommunication circuits which form part of the Regional Telecommunications Network of the GTS.
They are not meteorological phenomenon, and thus are not usually associated with strong winds or heavy rain.
app.nea.gov.sg /cms/htdocs/category_sub.asp?cid=33   (1927 words)

  
 Observations of Sea Breezes by Radar
The conclusions drawn by Atlas are, at their fundamental level, based upon the meteorological fact that the onset of a sea breeze results in an air mass boundary across which there is an increase of vapor pressure and a decrease of temperature.
In cases where insects respond to meteorological conditions and thus are not valid tracers of air motion, their response intensifies, rather than reduces the observed echo.
That is, the meteorological phenomena which lead to increased reflectivity due to congregation of a large number of insects also often lead to large gradients in refractive index.
www.atmos.washington.edu /~justin/radar_project/observat.htm   (6229 words)

  
 TORNADOES- Electromagnetic Theory   (Site not responding. Last check: )
Huge negative rays discharge from the clouds in the atmosphere to the nucleus elongation, which in the case of the tornadoes is even closer to the cortex than the protuberances formed in other meteorological phenomenon, eventhough its diameter is smaller.
Due to the closiness of the protuberance to the surface and to the very high electric energy discharged to the protuberance, the rotating section in the surface is forced to increase its rotational speed in a very short area, displacing and conforming the meteorological condition known as a tornadoe.
The difference between one phenomenon and the other is due to its magnitude, distance of the protuberance to the cortex, dimensions and diameter.
www.costarricense.cr /pagina/fvitoria/tornadoes.html   (348 words)

  
 Conceptual Models - Definition   (Site not responding. Last check: )
The subject of this manual is the use of satellite imagery in operational weather forecasting as well as in synoptic research in combination with other meteorological data, especially relevant numerical parameter fields.
This combined use is a major requirement for an optimal detection of ongoing physical processes in synoptic research and an urgent need in operational forecasting to overcome the problem of an excessive amount of material on the forecasters bench.
Guidance for predicted meteorological conditions or situations using the diagnostic and prognostic fields that best discriminate between development or non-development; guidance for predicting displacement and evolution.
www.zamg.ac.at /docu/Manual/SatManu/Basic/CM/CM.htm   (329 words)

  
 METEOROLOGICAL PHENOMENON - GoGoSearch.com
Meteorological phenomena are observable weather events which illuminate and are...
According to incomplete statistics from Zhejiang's meteorological department, since June 21st, the lightning strikes were centralized in Zhejiang.
A meteorological phenomenon is one of several commonplace or unusual weather events which illuminate and are explained by the principles of meteorology.
www.gogosearch.com /wiki/Meteorological_phenomenon   (279 words)

  
 MULTIVARIATE LINEAR REGRESSION
Multivariate linear regression analysis of meteorological data from the Utah Mesonet (Stiff, 1997) has been tested as a tool for both data quality assessment and as a method for objectively analyzing data in complex terrain.
Many of these schemes are used for analysis of meteorological variables on quasi-horizontal surfaces in which weights are dependent on the horizontal distance an observation is from an analysis point.
Multivariate linear regression analysis of meteorological data has been shown to be a useful tool for objective analysis of surface data in complex terrain.
www.met.utah.edu /jhorel/homepages/msplitt/regress.html   (1520 words)

  
 AFC - Research & Development
Some energy companies in the past have asked AFC to develop customized equations for in-house modeling products; other companies have requested an AFC meteorologist to be available for weekly or monthly client meetings, to discuss trends in weather, and/or to provide insights in studying a client's demand and its relationship with the weather.
is open to those corporations, institutions and organizations, as well as philanthropic individuals that recognize and wish to minimize the effects of meteorological and climatological impacts on the world the world.
We focus on any number of meteorological phenomenon or hypothesized findings, no matter how innovative or far-fetched.
www.advancedforecasting.com /productsandservices/researchdevelopment.html   (1381 words)

  
 Manufacturer of meteorological sensors and weather stations for local and remote environmental monitoring, recording ...
Manufacturer of meteorological sensors and weather stations for local and remote environmental monitoring, recording and acquisition of climatological data for industry, government and research.
And around the world, those who watch the weather rely on us for accurate and reliable weather monitoring and recording, and the acquisition of environmental data.
Our extensive product lines range from instruments that quantify a single meteorological phenomenon, such as wind speed or precipitation, to robust, automated observation systems that measure a full range of environmental parameters.
www.climatronics.com   (233 words)

  
 Climatology Section – Department of Climatology
Meteorological data is obtained by means of measurements and observations at stations designed for these purposes.
Meteorological stations are either manned by our employees (professional stations) or, in most cases, operated by volunteer observers.
An example of standard processing is the graph of cumulative frequencies of the daily average air temperature that has occurred at two stations in North Bohemia, which are not too distant from each other but are located at different altitudes.
www.chmi.cz /meteo/ok/ovke.html   (741 words)

  
 ABOUT METSERVICEABOUT METSERVICE About MetService:MetService.com - Weather
This is separate from our provision of meteorological services within New Zealand, where we produce and issue forecasts and official weather warnings on behalf of the Ministry of Transport, and are certified by the Civil Aviation Authority.
They may be receiving services paid for on their behalf by their government (to whom they, of course, pay taxes), or by their company, or by their newspaper, or by their radio or television station.
Warnings and Severe Weather event instances are defined in terms of the meteorological phenomenon and the region affected.
www.metservice.com /default/index.php?alias=aboutmetservice   (1308 words)

  
 Spiraling Clouds
This phenomenon is believed created by the attraction of charged particles to the magnetic field lines of force of this planet’s magnetic field.
Such an expression—“electronic fogs”— was first used by Bruce Gernon to describe a meteorological phenomenon he encountered in the Triangle on December 4, 1970, which to this day remains unexplained.
Proton monitoring, unfortunately, was not in effect until 1976, and there is therefore no way to determine if a sub solar storm was in part responsible for “charging” the area and created or charging the doughnut-shaped cloud he experienced.
www.bermuda-triangle.org /html/spiraling_clouds.html   (1469 words)

  
 Surface Hydrology Research Group - Hydrometeorology
Semi-arid and arid regions in the southwestern US and northwestern Mexico are characterized by a summertime meteorological phenomenon known as the North American Monsoon.
We also apply numerical models to study the spatial and temporal variability of meteorological processes and hydrological response.
During summer 2004, we led a topographic transect study in northern Sonora, Mexico to investigate the terrain and ecological controls on soil moisture distribution and the linkages between the monsoon systems and the land-surface hydrologic state.
www.ees.nmt.edu /vivoni/shrg/pages/hydrometeorology.htm   (346 words)

  
 New England Air Quality Study at ETL
This distribution is believed to be caused by long-range transport of pollutants from the East Coast metroplex extending from Washington D.C. to Boston, long-range transport from the industrial Midwest, local pollution from sources along the I-95 corridor, and coastal wind patterns associated with a meteorological phenomenon known as the land-sea breeze circulation.
Standard meteorological soundings were taken with the rawinsonde system to help characterize the marine boundary layer.
The ultimate goal of this work is to improve the meteorological models used for air quality and temperature forecasting.
www.etl.noaa.gov /programs/2002/neaqs   (576 words)

  
 Climate Risk Drivers   (Site not responding. Last check: )
Extreme meteorological events are driven by specific atmospheric conditions.
The probability of these conditions occurring, changes with large-scale variations in the atmosphere and ocean, and these variations are characterized by a number of climate indices.
ENSO and NAO are large-scale patterns in atmospheric and oceanic variability that influence a wide variety of meteorological phenomenon including tropical cyclones and European storms.
www.bbsr.edu /rpi/public/resedu/climaterisk.html   (369 words)

  
 What was Catarina? -- UCAR Quarterly -- spring 2005
Though Brazilian meteorologists referred to this storm as the Catarina phenomenon, it made international headlines as Hurricane Catarina, the first ever reported in the South Atlantic.
Now a variety of specialists is taking a closer look at this vexing cyclone, trying to decide just what manner of meteorological beast Catarina was.
In early July, Holland and Jack Beven (NOAA National Hurricane Center, or NHC) were invited to participate in a special two-day workshop on Catarina sponsored by the Brazilian Meteorological Society.
www.ucar.edu /communications/quarterly/summer05/catarina.html   (1478 words)

  
 Cold Air Drainage
Because of a meteorological phenomenon called cold air drainage, the areas that are best protected from cold air are on the hillsides.
As stated above, the phenomenon that causes cool air to accumulate in valleys rather than on hillsides is called cold air drainage.
Cold air drainage is a meteorological phenomenon that has many agricultural implications.
www.personal.psu.edu /ngs121/ColdAirDrainage.htm   (831 words)

  
 April 14 WAFCon article
Study of the dryline, as with any mesoscale meteorological phenomenon, has been hampered by the lack of high temporal and spatial resolution data.
With the development and deployment of automated meteorological observing systems, it is now possible to observe the surface characteristics of the dryline with higher resolution than in the past.
The relationship of meteorological variables to each other during the course of the event is best illustrated by looking at a time series from Acme (Fig.
www.nssl.noaa.gov /~brooks/drypaper   (2166 words)

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