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Topic: Weather forecasting

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	Weather forecasting - Wikipedia, the free encyclopedia
		Weather forecasting is the application of current technology and science to predict the state of the atmosphere for a future time and a given location.
		Today, weather forecasts are made by collecting as much data as possible about the current state of the atmosphere (particularly the temperature, humidity and wind) and using understanding of atmospheric processes (through meteorology) to determine how the atmosphere evolves in the future.
		It was not until the invention of the telegraph in 1837 that the modern age of weather forecasting began.
	en.wikipedia.org /wiki/Weather_forecasting (2420 words)

	123india.com -Weather
		Weather forecasting is both a science and an art.
		If the forecast is for temperature and precipitation, then use the recorded weather data to compute the averages for temperature and precipitation.
		Weather prediction is than arrived at that, the weather will behave the same way as it did in the past for similar conditions.
	weather.123india.com /include/wf.html (732 words)

	Forecasting the Weather
		Weather forecasting remains a complex business, because the weather can be so chaotic and unpredictable.
		If weather patterns are relatively stable, the persistence method of forecasting provides a relatively useful technique to predict the weather for the next day.
		Unfortunately, in many areas of the world the weather is more unpredictable and changeable than that, particularly in the mid-latitudes where depressions influence much of the weather.
	www.ace.mmu.ac.uk /eae/Weather/Older/Forecasting.html (365 words)

	Weather Forecasting (Site not responding. Last check: 2007-10-21)
		Forecasts are used by government and industry to protect life and property and to improve the efficiency of operations, and by individuals to plan a wide range of daily activities.
		The notable improvement in forecast accuracy that has been achieved since the 1950s is a direct outgrowth of technological developments, basic and applied research, and the application of new knowledge and methods by weather forecasters.
		Weather radar and geostationary satellites are particularly valuable tools for this purpose, and their capabilities and usefulness have been and are being steadily improved.
	twm.co.nz /wforcstg.html (2268 words)

	Met Office: Weather forecasting
		The forecaster uses the output from the computer to produce weather forecasts that are tailored to a wide range of customers.
		For weather observations at sea, the Met Office is indebted to the crews of 400 vessels of the UK Voluntary Observing Fleet and to observers on about 30 offshore drilling platforms.
		Weather forecasts are based on the solution of a set of mathematical equations describing certain physical processes in the atmosphere.
	www.met-office.gov.uk /education/secondary/students/forecasting.html (1870 words)

	Weather Forecasting Using the University of Michigan Weather Underground
		Weather forecasting is a science and an art.
		Forecasting temperature and precipitation will be discussed here since they are the most relevant parameters to the public.
		Climatology is rarely a correct forecast for a given day but you might think twice about forecasting a high that is 20 degrees higher than the average high (unless you're absolutely sure).
	atm.geo.nsf.gov /instruction/forecast_contest.html (1906 words)

	EO Library: Weather Forecasting Through the Ages Page 2 (Site not responding. Last check: 2007-10-21)
		The art of weather forecasting began with early civilizations using reoccurring astronomical and meteorological events to help them monitor seasonal changes in the weather.
		Aristotle made some remarkably acute observations concerning the weather, along with some significant errors, and his four-volume text was considered by many to be the authority on weather theory for almost 2000 years.
		Small lightweight boxes equipped with weather instruments and a radio transmitter, radiosondes are carried high into the atmosphere by a hydrogen or helium-filled balloon that ascends to an altitude of about 30 kilometers before bursting.
	earthobservatory.nasa.gov /Library/WxForecasting/wx2.html (640 words)

	Weather 2000 - The Capabilities of Long Range Weather Forecasting
		The effectiveness of long-range weather forecasting is an interesting area to explore, as the answer tells us a lot about the capabilities of science today, as well as important advances made in recent years.
		Forecasts can be made for areas as large as states or regions, or can be made site-specific, down to one weather station in a city.
		Critical days forecasts, such as the number of days the maximum temperature will exceed a threshold, and multivariable forecasts, such as the number of days the minimum temperature and snowfall exceeds their thresholds have been done.
	www.weather2000.com /fow_dec2000.html (1175 words)

	Weather and Forecasting - Wikipedia, the free encyclopedia
		Weather and Forecasting is a publication of the American Meteorological Society.
		Articles on forecasting and analysis techniques, forecast verification studies, and case studies useful to forecasters.
		In addition, submissions that report on changes to the suite of operational numerical models and statistical post-processing techniques, and articles that demonstrate the transfer of research results to the forecasting community.
	en.wikipedia.org /wiki/Weather_and_Forecasting (106 words)

	Weather Forecasting Explained
		It is usually better to rely on scientific methods for weather prediction than the fact that Grandmother once said a herd of sleeping cows during mid-day means rain is on the way.
		Weather systems in other areas of the country can be tracked using this method to determine when they will arrive and what conditions they will deliver.
		Global weather forecasts are now available based on public weather service information from offices all across the world with 96%-97% accuracy for next day forecasts and just slightly lower accuracy rates for forecasts of up to four-days according to a recent article in the International Herald Tribune.
	www.searchandgo.com /weather/forecasting.php (1055 words)

	Weather Forecasting Software
		Turn your computer into a weather forecasting station with tools for receiving and analyzing weather facsimile broadcasts, weather satellite images, and weather information downloads from the worldwide web.
		To make the most of weather forecasting and analysis software, users need a basic understanding of how weather works and how to interpret synoptic weather chart data.
		Weather Facsimile images are the standard for offshore and coastal cruisers who need basic weather information.
	www.waypoints.com /weather.html (198 words)

	Weather 2000 - FAQ / Scientific Integrity in Weather Forecasting
		Weather forecasts for individual days and weeks beyond this limit cannot be skillful except through luck.
		Therefore, daily / weekly long-range forecasts are formulated in terms of time averages of the predictands (historical averages or normals).
		Verifying all forecast claims and forecast products with the American Meteorological Society (AMS) (and specifically their probability and statistics committee), is strongly recommended.
	www.weather2000.com /faq/faq_integrity.html (808 words)

	Forecasting the Weather (Site not responding. Last check: 2007-10-21)
		Weather forecasters measure the weather so they can forecast it.
		These weather charts have been used by forecasters for many years to predict what the weather will do over the next few days.
		Weather radar can help to show where it is raining over a country, whilst satellites are used to reveal cloud cover and the development of large weather systems.
	www.ace.mmu.ac.uk /eae/Weather/Younger/Forecasting.html (102 words)

	Weather -- Forecasting
		Modern weather forecasting involves a combination of computer models, observation, and a knowledge of trends and patterns.
		Certain weather features seem to be associated with certain types of weather, at least most of the time.
		Over the years, the observation of weather patterns has resulted in folk wisdom about the weather, a good deal of which is inaccurate, but some of which is supported by science.
	www.learner.org /exhibits/weather/forecasting.html (454 words)

	Forecasting
		A daily weather forecast involves the work of thousands of observers and meteorologists all over the world, and the work of thousands of machines.
		Forecasters use the observations from ground and space, along with formulas and rules based on experience of what has happened in the past, and then make their forecast.
		Records of average temperatures, average rainfall and average snowfall over the years give forecasters an idea of what the weather is "supposed to be like" at a certain time of year.
	www.wxdude.com /page21.html (431 words)

	Weather Forecasting (Site not responding. Last check: 2007-10-21)
		Weather stations, balloons high in the atmosphere, satellites in space and ships at sea all contribute by collecting the data we require.
		Forecasts are usually fairly accurate, and improving all the time, but they are still not perfect.
		Weather can change very quickly (for example, if the wind changes direction slightly the rain may pass over and fall somewhere else) which means the forecast can quickly be out of date.
	www.rcn27.dial.pipex.com /cloudsrus/forecasting.html (367 words)

	PROGRESS ON A KNOWLEDGE-BASED INTERNET WEATHER FORECASTING SYSTEM
		The mean bias (forecast-observed) of the Day-1 forecasts of minimum temperature was -0.09 deg C, while the mean bias of the Day-1 forecasts of maximum temperature was -0.21 deg C. That a negative bias (albeit small) was observed, in spite of the adjustment, may be a reflection of the ongoing nature of the upward trend.
		The lowest maximum temperature forecast (14 deg C on September 28 and 29) was associated with observed values of 12 and 16 deg C, respectively, while the second-lowest maximum temperature forecast (15 deg C on October 9) was associated with an observed value of 17 deg C;
		The highest minimum temperature forecast (22 deg C on December 29 and 30) was associated with observed values of 22 deg C on both occasions, while the second-highest minimum temperature forecast (21 deg C on January 25 and 26) was associated with observed values of 27 deg C and 21 deg C, respectively;
	www.weather-climate.com /internetforecasts.html (9224 words)

	Weather -- Forecasting
		For viewing large weather systems on a worldwide scale, weather satellites are invaluable.
		With satellites, forecasters can see weather across the whole globe: the oceans, continents, and poles.
		Infrared sensors can be used at night—a helpful feature for forecasters, considering that the imager can only pick up data during daylight hours.
	www.learner.org /exhibits/weather/forecasting2.html (501 words)

	Weather Forecasting Solution
		There are times when the weather is very predictable and the forecast certainty can be high, but other times like near a cyclone the forecast certainty would be low.
		Forecasts for other measurements should also be added to give the public a better idea of what the weather will be like in their area.
		A forecast for a location for all the above variables could simply be printed in a small space by using abbreviations such as FC for forecast certainty.
	www.weather.org.au /forecast.htm (737 words)

	Real-Time Weather Forecasting Up and Running!
		The capability to analyze and visualize weather phenomena in this range is central to solving problems and determining the validity of theories and models relating to weather and climate.
		Illustrations of forecasting results for the three model domains, which include the western United States, California and Nevada, and southern California, can be viewed at http://www.adim.dri.edu/Projects/CalBoat/jsp/index.html.
		Real-time forecast results are posted on the web site twice daily at 9:30 am and pm local standard time (one hour earlier than daylight savings time) for simulations initialized with data from the global observational network collected every day at 0000 UTC (coordinated universal time, formerly known as Greenwich Mean Time) and 1200 UTC, respectively.
	www.dri.edu /Home/Features/text/604MM5forecasting.htm (936 words)

	weather forecasting
		General forecasts and severe weather warnings are processed to provide forecasts tailored to meet the specific needs of different sectors of society.
		It is aimed at weather spotters as part of a basic training in weather observation to gather information on storms (including tornadoes) and other weather phenomena.
		This preparedness guide issued by the US National Weather Service is aimed at the general public, and outlines what to do in the case of severe weather (including tornadoes).It explains thunderstorms and related hazards, the tell-tale signs of severe weather and how to develop a survival plan.
	agrifor.ac.uk /browse/cabi/f581829426905b54d993da6333924987.html (1591 words)

	Marine weather forecasting -
		The first weather maps based on telegraphic data were publicly displayed in Washington in 1850 and in 1905 radio-telegraph was used to relay weather reports from ships at sea to coastal radio stations.
		Dissemination of meteorological warnings and forecasts to shipping is an integral part of the GMDSS system and GMDSS communications permit automatic shipboard receipt of weather and navigation information by INMARSAT satellite communications, radiotelephony and radio-telex (NAVTEX).
		Regularly scheduled weather, sea-state and ice forecasts along with warnings of tropical cyclones, gales, storms and other hazards are now routed to ships at sea by INMARSAT and NAVTEX broadcasts.
	www.oceansatlas.org /cds_static/en/marine_weather_forecasting__en_2405_all_1.html (475 words)

	Weather Forecasting: online meteorology guide
		It is vital that weather forecasts be as accurate as possible because so many people depend upon them.
		This module introduces forecast methods and the numerous factors one must consider when attempting to make an accurate forecast.
		The navigation menu (left) for this module is called "Weather Forecasting" and the menu items are arranged in a recommended sequence, beginning with this introduction.
	ww2010.atmos.uiuc.edu /(Gl)/guides/mtr/fcst/home.rxml (229 words)

	Weather Forecasting Handbook - official page
		Then weather systems are explained in terms of their thermal structure, dynamics, and effects.
		After managing the weather page of a Dallas newspaper for five years, he spent ten years in the Air Force, where he provided aviation weather forecasting and support in Texas, Nevada, England, Korea, and Kenya, as well as television work for AFRTS and KTXS-12 in Abilene.
		This is "The Severe Local Storm Forecasting Primer" by John Sturtevant (1993) (ISBN 0-9650482-0-9), and we get periodic requests for info on it since it is a large compilation of severe weather indexes and techniques.
	www.weathergraphics.com /fcstbook (988 words)

	Amazon.com: Instant Weather Forecasting: Books: Alan Watts (Site not responding. Last check: 2007-10-21)
		Instant Weather Forecasting is a 24 color photograph guide to forecasting the weather in the hours ahead, and it also provides some information on what likely weather trends will be.
		INSTANT WEATHER FORECASTING by Alan Watts (NOT the philosopher Alan Wilson Watts, by the way) is a handy and important quick reference guide that's simple to use.
		While this is always true in looking at weather forecasting tools, be certain to keep this in mind when using this very nice quick resource.
	www.amazon.com /exec/obidos/tg/detail/-/1574091360?v=glance (1294 words)

	Amazon.com: Weather Forecasting: Books: Gail Gibbons (Site not responding. Last check: 2007-10-21)
		Broadcast terms for weather conditions are interspersed with the names of sophisticated equipment, which monitors elements that influence weather.
		Starting with the change of seasons, she discusses the weather typical of each season and how it develops, and then shows how the weather forecasters arrive at their short and long-range forecasts and make them available.
		Many books on weather are available for this age, but none relate it to the seasons as well as explain the system of weather stations and the jobs involved, and none have Gibbons' colorful, appealing illustrations.
	www.amazon.com /exec/obidos/tg/detail/-/0689716834?v=glance (928 words)

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