What are the weather stations and why do you need it for weather forecasting

What are the weather stations and why do you need it for weather forecasting

Weather stations are the closest source of information about the weather in real-time to you. When forecasting the weather, they should be used together with different weather models. Learn all you need to know about meteorological stations in this article.

What is a weather station?

The weather stations or meteorological stations are facilities for weather observation and collecting different weather data together with satellites, weather buoys, meteorological probes, and radars. But the weather stations are the most — more than 40.000 official all over the world — so it is the main facility among others. They register data at a specific point on the map and send it to the big data processing centers.

Most often, stations are installed on the ground, but also at sea — on a ships. Stations are also often installed at the airports, where it is important to constantly measure the weather.

At the station, where the observations are made by a person, the information is recorded at least once a day, at automatic stations — once per hour.

Weather stations are monitored by different government agencies of the countries where they are located. There is also the World Meteorological Organization (WMO) — a special United Nations agency, which makes sure that the number of stations does not decrease and the system of data collection works.

There are also global and regional weather stations networks analyzing different weather parameters. For example, Arizona Meteorological Network (AZMET) in the United States or the Bureau of Meteorology AWS Network in Australia.

Photo: Weather station at the top of the Sulphur Mountain, Banff, Alberta, Canada / Dave Feaster

Photo: Weather station in the Deer Park / Gareth Thomas

Photo: Weather station on the Mount Vesuvius, Italy / Michal Osmenda, Wikipedia

What data does the weather station collect?

First of all, it collects the most important data: temperature, atmospheric pressure, humidity, wind speed and wind direction, precipitation amounts...

Then, marine stations also measure sea surface temperature, wave height and period, and other sea data.

More equipped stations measure ultraviolet index, leaf wetness, soil moisture and temperature, water temperature in different natural water reservoirs such as lakes and rivers.

What does a weather station consist of?

Meteostations are very different. They can be big and small, more or less complex, analog, and digital...

A classic analog professional weather station consists of the following basic weather instruments:

  • thermometer (air and sea temperatures),
  • barometer (atmospheric pressure),
  • hygrometer (humidity),
  • pyranometer (solar radiation),
  • rain gauge (liquid precipitation),
  • sunshine recorder (amount of sunshine at some location or region).

The wind speed and direction are measured by an anemometer.

Stations at the airports may have Precipitation Identification Sensor (falling precipitation), disdrometer (drop size distribution), transmissometer (visibility), ceilometer (cloud ceiling), and other instruments.

What is a home or a personal weather station?

This is a small weather station, which you can install at your home. Yes, you can collect the weather data around you and get the weather forecast.

It consists of two main parts: an instrument (sensor) for collecting data, which you can put in your garden or yard, and a display inside your home, so you can know the outdoor conditions without going out.

The wireless weather stations or wifi weather stations don't use any wires, or even displays. You collect data right to your computer and use a special software program to read it.

Typically, such home weather stations collect the same basic weather data: indoor and outdoor temperature, wind speed and wind chill, air humidity, atmospheric pressure, and other — but in general the data is less compared to professional ones.

The home stations process the data and calculate a weather forecast for the next 12—24 hours. With some stations, you can get the weather forecast for 3—5 days using satellite signals (WeatherDirect technology). For example, stations like Aura, Galileo, Twister 300.

Some stations also allow you to contribute to global weather stations networks and exchange the data with other users on the Internet, or by a radio. Two great examples: Citizen Weather Observer Program (CWOP) and Weather Underground Personal Weather Stations.

Photo: metoffice.gov.uk

What is the difference between a weather station and a weather forecast model?

As it just became clear, the weather station is the main source of weather data. You can also have short and mid-range periods forecast for your home territory from the stations.

Weather models do the same, but it is a bigger thing. It is a program that uses data from meteorological measurements as initial information about the state of the atmosphere around the world, and presents it as a ready-made weather forecast, via solving systems of hydrophysical equations. On a regional level or globally.

The task of weather forecast calculation for a bigger territory is so complicated that the most powerful supercomputers of the world are involved in it. In other words, the models work with a huge amount of data (Big data) and in large areas.

In addition, the model uses data not only from weather stations but also from other sources mentioned above.

Learn more about weather models.

Why do I need meteorological stations for doing my favorite sport or outdoor activity?

Let's sum up: meteostations can be trusted and used as much as the weather models, but the meteostation gives you the information about the weather conditions from the closest source of its collection. So, if you a want to know real-time data near to you, check the station.

Windy.app not only shows you ready-to-use forecasts from dozens of global and local weather models but also constantly receives and displays the real-time data from tens of thousands of weather stations around the world: professional and home/personal stations.

How to find and read meteo stations data in Windy.app?

Weather stations in the app are the same spots like for surfing or fishing.

You can find the stations in several places, starting from the Home screen. There are three nearest stations to you (for this, turn on the geolocation function). So if you look for a "weather station near me", there are some for sure:

 

At weather stations in Windy.app you get information about real-time wind speed, direction, and gusts on your favorite or a nearest spot:

 

Learn more about weather stations in Windy.app.

 

Text: Ivan Kuznetsov

Cover photo: Weather station at the Glacier National Park in Montana's Rocky Mountains / U.S. National Park Service.

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