Friday, April 12, 2013

Meteorological station

http://en.wikipedia.org/wiki/Weather_station
A weather station is a facility, either on land or sea, with instruments and equipment for observing atmospheric conditions to provide information for weather forecasts and to study the weather and climate. The measurements taken include temperature, barometric pressure, humidity, wind speed, wind direction, and precipitation amounts. Wind measurements are taken as free of other obstructions as possible, while temperature and humidity measurements are kept free from direct solar radiation, or insolation. Manual observations are taken at least once daily, while automated observations are taken at least once an hour. Weather conditions out at sea are taken by ships and buoys, which measure slightly different meteorological quantities such as sea surface temperature, wave height, and wave period. Drifting weather buoys outnumber their moored versions by a significant amount.
 
Method of representing information collected by an observation station on a weather map using symbols and numbers.
http://www.wunderground.com/weatherstation/about.asp
http://www.ehow.com/how_4876490_build-homemade-weather-station.html
http://www.salemclock.com/weather/weather01.htm
Building and Using a Homemade Weather Station 
Introduction | Wind Vanes | Barometers | Hygrometers | Anemometers | NephoscopesRain Gauge | Snow Gauge | TV Weather | Charting | Forecasting | Cloud In A Jar
Snow Water | Weather Station | Storm Tracking | Rain In A Jar | Frost In A Can
IntroductionIt doesn’t matter whether you’re only eight or well past eighty! Building a simple, homemade weather station and learning to use it to make accurate forecasts can be very interesting and a whole lot of fun. It’s rough science at its best!
But, why do that in this day and age of satellites, Doppler radars and computer-generated weather models, the information from these being available on TV or the Internet instantly?
Well, for one thing, you can be as accurate in local, short-range predictions as the people with all that multi-million dollar gear. How about that?
As projects for the 2003 California Science Fair one student compared traditional folk methods of weather prediction with scientific methods and two other students did research on the accuracy of local professional forecasts. Read about them both here.
In the tests of the traditional folk methods, they scored 34 correct predictions out of 42total.The scientific method produced 35 correct predictions out of 42. The control (the Los Angeles Times) scored 35 correct predictions out of 42.
What I found the most interesting about this experiment, was that folks armed with nothing more than a short poem, a peek at the moon, and a couple of surplus pinecones, were virtually as adept as the pros at the LA Times! Score one for the folks!
If you want to learn about the weather, an excellent place to start is with theForecasting The Weather section. Then, using cheap or free materials, you will learn to build and understand:
· A wind vane (surface wind direction)
· 2 different barometers (atmospheric pressure)
· 2 different hygrometers (humidity and relative humidity)
· 3 different anemometers (surface wind speed)
· 2 different nephoscopes (clouds & winds at high altitude)
· A rain gauge
· A snow gauge
Then, you will learn how to:
· Set up your home weather station
· Chart your readings and data
· Watch local TV weather forecasts in a new way
And while you’re doing the above, have fun with these simple experiments:
· Create a cloud in a jar
· Measure the water content of snow
· Determine the distance of a thunderstorm
· Make it rain in a mayonnaise jar
· Make dew and frost in tin cans
These experiments will give you an internalized understanding of important processes involved in the operation of the heat-driven engine that we call the weather.
This is all well worth doing. It connected me more with the non-verbal world of nature by focusing my attention each day on the forces of sun, wind, and water, and broadened my understanding of an important and literally huge part of the world in which we live.
You can do things in any order. You don’t have to build all three anemometers or both nephoscopes, for example; just pick what’s right for you.
If you’re a parent with children still at home, this is a great way to connect. If you’re a child with parents still at home, this is also a great way to connect.
If you are living alone, or if you live with someone who thinks that puttering with sticks, bottles, tin cans and what-not is utterly bats, you can treat this as a form of brave, spiritual journey into great and arcane forces which places you head-and-shoulders above mere mortals...and If nothing else...it’s a great way to kill a rainy day!
http://www.scientificsales.com/=======================
Weather Stations
From the hobby weather watcher to the most radical storm chaser, one of our weather stations will meet your needs.
If you're not sure where to start, try our Help Choosing a Davis station page.
View the Wireless Vantage Vue station and accessories at VantageVue.com. This station provides accurate, reliable weather monitoring in a self-contained, easy-to-install system. Perfect for home, school, or business.
arrow imgCompare Vantage Pro2 to Vantage Vue.
Davis Vantage Pro2 Weather Stations
If you're looking for a superior weather station, the Davis Vantage Pro2 Weather Station is as good as they come! The quality of this unit is apparent from the moment you first open the box.
Starting At: $429.95
 http://www.weathershack.com/listing/complete-home-weather-stations.html
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http://www.amazon.com/b?ie=UTF8&node=397435011
Product Details

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http://www.testberichte.info/wetterstation?kid=testberichte5-21&gclid=CLqgspPwxrYCFRR8nAodLW4AgQ

Wetterstation Testsieger (Mejor modelo designado)


Testsieger Wetterstation

TFA 35.5015.IT Eos Max

Auch die Vorhersagen der Funktwetterstation stimmten meistens mit der Realität überein, wobei die langfristigen Prognosen natürlich zunehmend ungenau sind. Des Weiteren scheinen die Werte ständig aktualisiert zu werden.
Bewertung: Bewertung: 4 Sterne    |    3 Testberichte    |   28.09.2010

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http://youtu.be/at7mLj6kLSc