Weather Equipment...
What to use for
home weather stations.

Have you ever wondered what kind of weather equipment we use for observations?  What kind you can get?

Weather Equipment

Suppose you were looking on-line to buy weather stations, accessories for professional weather stations, such as the Stevenson Screen shown here, or maybe one of the many types of home weather stations that have recently become available.

If you're needing supplemental information about these items and the instruments typically contained in each set-up, follow the article on this page and the links in each section. Also, clicking the blue text above will take you to an introduction to how weather equipment might be used in environmental regulatory compliance consulting and research.

Here is a brief description of the more common instruments and supplies.  You are probably already familiar with some of these.

First of all, a barometer measures the atmospheric pressure. What is that?

Air pressure is force per unit area, given in units such as pounds per square inch. Every square inch.  People who get barometric pressure headaches get a pretty good idea of which effects small pressure changes can create. Because every inch of their bodies is affected equally by these changes.

Other pressure sensors, such as barometric pressure transducers, exhibit the same sensitivity.

Ever wanted to build a barometer of your own? Have a look at these ideas: Barometer Design #1
Barometer Design #2, and
Barometer Design #3

Outdoor thermometers measure air temperature and give us numerical values in degrees.

Everyone knows what temperature is, right? That is the degree of hotness or coldness you feel.

Temperature recording weather equipment objectively stores these numbers for us.  Examples of this type of weather equipment include dataloggers and computers.

What about Humidity?

It's the amount of vaporized water in the air.

The most well-known way of expressing humidity is by using relative humidity. Learn about other humidity-related quantities and their use in scientific contexts in this article.

How do you measure Humidity?  Meteorologists and supporting technicians use a hygrometer.  A closely related instrument, known as a psychrometer humidity meter, carries out the same function .

In this case, temperature is shown on two thermometers. One of which is kept wet and the other dry. Then we can compare the two, calculate and chart the dew point to use the data in our subsequent analyses.

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How does wind energy work?

Wind moves objects around, and then we can use the motion to determine and track which way the air moves and how fast. We normally use things likes flags, airport wind socks and weather vanes.

Research weather vanes and comparable kinetic motion indicators point the direction of air flow. Wind speed instruments are called anemometers. By putting these two values together (speed and direction), we obtain a vector quantity.  What is that?  Simply one that requires at least two inputs, speed and direction in this case. Wind data loggers record this information.

Next comes rain gauges - How much rain (or snow) did we get last night? Find out what this number means.

Remote Sensing

Some devices let us look at weather conditions from far away. In preparing forecast information, weather services use these data sources along with figures from surface-based weather equipment.

Weather Ballon

Radiosonde - A package of temperature and humidity recorders put together with a few other instruments. They are placed in a box with a transmitter and locator to send weather information back to earth by radio signals.

We attach the package to a weather balloon, let it fly and record these parameters at various elevations and even hundreds of miles downwind.

Weather Satellite - a space vehicle high above the earth. We equip satellites with many cameras for taking satellite photos of the clouds below. Some satellite gadgets can see inside the clouds.  These are the only machines that give us information from outside of the atmosphere.

Radar - (RAdio Detection And Ranging).  An electric system for sending and receiving radio waves microwaves, actually to find things.  The radar has been used for finding military vehicles and artillery, obstacles as well as storms and areas of precipitation.

Doppler Weather Radar - A radar that can also tell which way things are moving and how fast. Very useful for finding speeding cars and preparing an advisory - a severe weather forecast which helps storm chasers pinpoint tornadoes, tornados and other strong winds.

Pilots will also describe weather they encounter during their flights. The weather reports they view before takeoff cannot tell them everything. So when they see something unusual, they send pilot reports, PIREPs.

Want to see some official observations, made using scientific and electronic weather equipment like the items listed above? Look at a METAR. This article tells you how to decode and read a METAR weather report.

Meteorology Information

#1

All the different kinds of weather equipment are enough to even make Bill Nye's head spin.

If you wish to keep updated on this stuff and related concepts, physical science articles and the science of meteorology, have a look at Blowin' in the Wind, a newsletter on the subject. You might read something interesting.  Do you have anything interesting to add? 

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What does a hygrometer measure 
what does a hygrometer and anemometer do in the weather? Barry's Response - Brittney: These things are special instruments for measuring weather: …

We the People 
We the people stand here today to show that our nation is under extinction and we need to act fast to get rid of all this pollution and trash in the world …

Thermometer 
A thermometer measures the tempreture of things. Barry's Response - A simulation of a thermometer, as you included above, can be used to display measurements …

How do we experience weather Not rated yet
Do dogs know weather more than a human? YES DOGS DO KNOW WEATHER THAN A HUMAN BECAUSE THEY JUST HAVE TO GO OUTSIDE …

Environmental Pollution and Air Quality Not rated yet
I have a secret plan related air polution who stop it air polution Barry's Response - What can YOU do, you might ask...Drive less, walk (bike or …

Weather and technology Not rated yet
If anyone needs them, I have the plans and specifications for the Stevenson Screen as well as the Hazen Thermometer Shelter. bobby_hamill@yahoo dot …

Thermometer for Temperature Not rated yet
In the business of weather, we use a thermometer to measure the instantaneous temperature in a specific location. The word "thermometer" came from the …

Stevensons Screen Not rated yet
WHere Can I Buy Wooden Stevensons Screens?? Barry's Response - I don't know if you can, but here are some instructions on how to build one, have a …

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Where can we find weather equipment or instruments for home weather stations?

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