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Weather: Most Popular Articles

These articles are the most popular over the last month.
What Is a Barometer and How Does it Work?
How do barometers work? Measuring the amount of air pressure in your area is explained in this article. How to measure atmospheric pressure is one step to weather prediction and forecasts in your local area. Now you can determine if a high or low pressure system is approaching your area and maybe even build your own barometer!
What Does 'Chance of Rain' Really Mean?
A chance of rain or probability of precipitation is an often misunderstood calculation in weather forecasts.
Is There Really a Difference Between Hurricanes...
The difference between hurricanes, typhoons and cyclones is easy! When hurricane Flossie hit Hawaii, many people wondered why this storm was not called a typhoon. Now, you can get the complete answer here as well as the names of all the future storms in the Atlantic and Pacific.
How Nature Can Warn Us of a Hard Winter
Will it be a bad winter? Nature says yes, if one or more of these signs are seen.
What Does a Meteorologist Do?
What Is a Meteorologist? This basic but popular question is often asked. Here, I explain the steps needed to become a meteorologist, several types of meteorologists, and ways to become a weather forecaster.
The 10 Most Dangerous States for Lightning Deaths
Find out which states in the United States have the greatest number of lightning and thunderstorms related deaths and injuries.
Preventing, Predicting, and Preparing for...
Droughts are common in many parts of the world. Droughts are caused by low precipitation over an extended period of time and can make an area so arid that crops fail and famines are common.
What Is a Monsoon?
Monsoons are a seasonal occurrence that can cause flash floods, deaths, and crop failures. They are caused in part by shifts in wind direction.
The Heat Index - Calculating the Heat Index
The Heat Index is a tool used my meteorologists. You know it is hot, but is it a dry heat? Are you in danger of heat stroke? Use an online calculator to calculate Heat Index. Advanced heat index equations are available, or plug some numbers in for the temperature and humidity and you will know if you need to go inside on that hot summer day!
Layers of the Atmosphere: The Structure and...
Atmosphere is the gaseous envelope surrounding the earth. A look at the layers:Troposphere,Stratosphere, Mesophere,Thermosphere,Ionosphere.
Muggy
Muggy weather is a common term used to describe particular weather conditions associated with humid air.
What Does 'Ambient Temperature' Really Mean?
Ambient temperature is defined in the weather glossary.
What Does Evaporation Mean for Weather?
Evaporation definition. Weather.
10 Famous Meteorologists
Famous meteorologists encompass more people than you see on your local news stations or The Weather Channel. Meteorologists work behind the scenes, too, and many of them work in other countries where they are famous for various forecasts or discoveries but are not household names in the United States. Whether you call them meteorologists or weather people, these famous individuals provide a lot of insight into what the day will hold.
Torrential Rain
Torrential rain definition in the weather glossary at About.com.
How to Read a Weather Map and Understand the...
wind speed direction intensity meteorologists weather maps symbols
The Top 10 Deadliest US Tornadoes
The top 10 deadliest US tornadoes created a staggering death toll. The number of lives lost was tragic, as was the damage caused. Tornado damage happens quickly and often without warning causing damage much worse than it would have been with more warning. This is especially true in tornado alley. Pictures of tornadoes show the devastation that can be caused by them based on wind speed (as measured by the Fujita scale) and population of the area where the tornado touched down.
What Is a Hygrometer and How Does It Work?
How Does a Hygrometer Work? Find a detailed explanation and photos of the inner workings of this simple weather instrument used to measure humidity.
The Fujita Scale
How tornadoes form is a common question that has not fully been answered by the scientific community as of yet.
How Does Hail Form?
What causes hailstones to form during a severe weather event? These tiny ice balls can cause damages to cars and property and have even been known to kill. So how do golf ball sized hailstones form in the atmosphere? Find out here!
Hurricane Tracking Charts
Hurricane tracking charts are used to track the path of a hurricane. Computer generated versions of the hurricane maps are produced daily, but students and teachers can also use these blank maps in the classroom.
Convectional Rainfall
Teachers looking for weather lesson plans will love this science experiment on air pressure. The original lesson is exciting and hands-on allowing for development of the science process skills.
What Is Smog?
The formation of smog is hazardous to your health especially if you live in a big sunny city. One of the main components of photochemical smog is ozone. When ozone is formed high in the atmosphere, it filters out UV radiation from the sun. But when ozone is formed from the burning of fossil fuels in the lower atmosphere, it is called ground level ozone and is dangerous to breathe. Find out now how smog is formed and how you can protect yourself.
What Is a Land Breeze?
Land Breeze. Weather.
Here's How to Prove Air Has Mass
Air has mass, but this idea is difficult for younger students to understand. To many students, air simply exists as a weightless substance. Proving air has mass can be a wonderful weather lesson plan and classroom science demonstration for school or as the basis of a science fair project.
What Caused the Dust Bowl of the 1930s?
The Dust Bowl was a weather disaster that is almost unparalleled in the United States in terms of drought. NASA scientists think they have found out why the great Dust Bowl of the 1930's had such a devastating effect. Learn the details of what caused this drought and the storms that devastated the economy.
The 7 Types of Weather Found in a High Pressure...
There are 7 types of weather in a high pressure system. High pressure zones, or anticyclones, on a weather map usually indicate calm and dry weather and winds that spiral away from the high pressure zone.
Hurricane Season
Hurricane season is defined in the weather glossary.
What's the Difference Between Weather and...
The difference between weather and climate is easy to describe. Find out the difference between weather versus climate in this essay.
Can Crickets Really Tell You the Temperature...
Hearing crickets chirp is a true sound of summer. If you listen hard enough, you can tell what the temperature is outside! Find out how!
Tornadoes Aren't Given an Official EF-Rating...
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >Soon after a significant
What Are the Types of Air Masses?
Air masses are one of the key components to understanding weather. There are several different types of air masses in general, but each individual air mass will have its own unique temperature and moisture properties.
Tornadoes - How Tornadoes Form
The types of tornadoes that can form are related to both their source region and the location where they make landfall. In addition, although most tornadoes occur as a result of supercell thunderstorm development, many do not. Page 4.
Learning to Read a Barometer
Lesson plans for teachers on weather instruments are available here. In this lesson, students will be able to read a barometer and interpret the readings. Students will also understand that pressure changes can be related to daily weather changes and forecasting.
The Shape of Raindrops
Contrary to popular belief, raindrops are not shaped like tear drops. They're shaped more like hamburger buns.
Aristotle: The Great Philosopher...and...
Learn about the world's first climate classification system, which only consisted of three climate zones--the torrid, temperate, and frigid. As with many other inventions, we have the ancient Greeks to thank!
Global Warming Vs. Climate Change
Global Warming Vs. Climate Change - What is the difference?
Zulu Time
Coordinated Universal Time or Zulu Time is the worldwide time reporting method preferred by the National Weather Service and represents an addition or subtraction in numbers from the Prime Meridian Longitude Time of zero to determine the local time.
The Perfect Storm - Nor'easters
The Perfect Storm occurred around October 31, 1991 as a massive and rare storm. With three meteorological conditions combining to create what has been called the 'Storm of the Century', this Halloween storm will not soon be forgotten. In fact, Sebastian Junger profiled this storm in his novel, The Perfect Storm. A film was later created based on the book.
Introduction to Tornadoes - A Weather Guide...
Tornadoes have occurred in all 50 states. You may not be safe. Know the danger signs of tornado formation and where tornadoes are most likely to occur. Learning the violenbt nature of tornadoes are critical to preventing damages to your life and home. Page 2.
Two Hurricanes Colliding - Can Hurricanes Merge...
Two hurricanes merging to form one big hurricane is the topic of this interesting reader question. The reader wants to know if the storm will form one big hurricane or superhurricane.
Here's What You Need to Know to Survive a...
Blizzards - How to survive a blizzard or snow storm may be a skill you would not expect to need in your lifetime, but there are hundreds of deaths every year as a result of getting stuck in the cold. Imagine being snowed into your house or being stranded in a car during a blizzard. Would you know how to survive? Here, this advice could save you life!
Will It Be a White Christmas?
Will it be a white Christmas? It is not just Bing Crosby wishing for a White Christmas! Of Everyone that celebrates Christmas (especially in the North) the often asked question is whether there will be snow on the ground for Christmas morning. Here, I present holiday forecast predictions for snow depth on December 25th.
What Is a Dry Thunderstorm?
Dry thunderstorms often occur in the Western United States. The lightning strikes that result from a dry storm are often the culprits responsible for massive wildfires during fire weather season.
Weather Games and Simulations
Find fun and educational weather games that use a particular topic such as tornadoes, lightning, hurricanes, or precipitation to teach about weather and meteorology.
What Is a Tropical Cyclone?
Tropical cyclones are one of the greatest meteorology hazards in the world. Next to flooding, the development of a tropical cyclone in any ocean can create a panic among the masses. Find the definition and information on naming tropical cyclones here.
What Are Isobars?
Isobar is defined in the weather glossary. Full definitions include photos and links to key weather articles on the topic. Explore the latest weather news as you browse the meteorology terms organized alphabetically with synonyms, misuses, and pronunciations.
How Are Tropical Cyclones in the Philippines...
Tropical depression names in the Philippines use an alternative storm naming convention.
Will We Have a White Christmas?
White Christmas - It is not just Bing Crosby wishing for a White Christmas! Of Everyone that celebrates Christmas (especially in the North) the often asked question is whether there will be snow on the ground for Christmas morning. Here, I present holiday forecast predictions for snow depth on December 25th.
Hurricane Formation: How Hurricanes Form in the...
Hurricanes start in the Sahara Desert. This exciting tutorial takes you through the birth of a hurricane and explains the reason for the Atlantic hurricane season.
Weather Map Symbols
Weather Map Symbols - Understanding Weather Maps
What Is Surface Water Runoff?
Surface water runoff is a part of the water cycle and a major factor in the reasons some areas have intense flooding. Surface water runoff can cause both flash floods and slow-onset floods.
Ozone Layer Depletion
Is the ozone layer recovering after the historic Montreal protocol? Ozone up high is a necessary ingredient for keeping Earth protected from harmful UV radiation. Near the ground, ozone is considered a pollutant and is a primary ingredient in smog. Are we doing enough to heal the ozone layer?
How Does a Tipping Bucket Rain Gauge Work?
How do tipping bucket rain gauges work> Measuring the amount of rainfall or precipitation in your area is explained in this article. How to measure rain in your area is one step to weather prediction and forecasts in your local area. Whether you are a homeowner, farmer, worker, scientific researcher or just curious, you will find a detailed explanation of tipping bucket rain gauges here.
Heat Stroke - Weather Definition
Heat stroke definition including related heat stress illnesses in a full indexed weather photo glossary.
How Does Weather Affect How You Sweat?
Why do you sweat and how does evaporative cooling reduce body temperature? If you spend time outside in the summer heat, then you should know the dangers of prolonged exposure to summer heat. Calculating and understanding the Heat Index is the key to knowing when to cool down.
Tropical Wave
Tropical wave definition in the weather glossary.
Tornadoes - A Weather Guide Tutorial
When is your state likely to get hit by a tornado? Look at the data to determine your danger zone for tornado damages. Page 3.
Ozone - Not All Ozone Is Good for Earth
Ozone in the Atmosphere - Don't ignore the warnings about ozone. Ozone depletion in the upper atmosphere is bad, but we have an even bigger problem with ground level ozone. Find out what you can do to prevent illnesses and environmental pollution in this list of ways to keep safe during ozone alert days from your local news forecast.
How to Find the Perfect Weather for Skydiving
Weather and skydiving experts come together in this article on the types of weather to look out for before you venture into an airplane and jump. Your adventure can be enhanced with some simple knowledge of weather and parachuting.
Billion Dollar Storms
From 1980 to 2005 a summary of the costliest storms in United States History is presented with pictures and links. The United States has more severe weather events than any other country in the world.
Super Typhoons
Super Typhoons are a classification of typhoons or tropical cyclones used by the Joint Typhoon Warning Center or JTWC.
Tropical Storm
Tropical storm definition in the weather glossary.
Things You Should NEVER Do After a Flood
After a flood, there are a multitude of dangers that can present themselves. Everyone should be aware of the 20 most dangerous things you can do after a flood. The different types of floods each present their own hazards, but the overall message is to NEVER do the following 20 things after the flood waters have risen.
How Do Clouds Form?
Find the answer to all your weather science questions. Many answers include demonstrations, videos, and photos to help you understand cloud formation.
What Is La Nina?
La Nina is explained as an atmospheric interaction between the ocean and the air. Climate is controlled regionally and worldwide by the ENSO, El Nino, and La Nina.
Why Is Snow White?
Why is snow white? The color of snow is white, but sometimes not. While this question may seem simple, you may be surprised at the answer.
How Many Lightning Deaths Have Occurred in the...
Data and diagrams of lightning deaths by state for the years 1959-2004. Find out why the United States has a high risk of lightning deaths. With data from NASA ans NOAA, you can determine if a severe thunderstorm will affect you. You will also learn how to protect yourself from a lightning strike.
Make a Cloud in a Bottle
The key ingredients of cloud formation are easy to replicate in a jar or bottle. This quick demonstration will show you how to make your own clouds.
Mare's Tails and Mackerel Scales
Mackerel scales and mare’s tails, make lofty ships carry low sails. Is the weather folklore true or false?
Do You Know What Your Forecast Is Telling You?
Weather forecasts are meant to inform the public, but they’re not always communicated in a straightforward manner. Make sure you know what your forecast is telling you.
Weather and Climate. PB&J. You Can't Have...
Apparently time isn't just money...it's also what separates weather from climate.
What is a Low Pressure Area?
The basics of low pressure areas are discussed, including their importance in producing storms.
Dew Point
Dew point temperature. Weather.
How the Earth Heats Up During a 24-hour Period
You've heard that the hottest part of the day is between 10 and 3 o'clock, but have you ever wondered why? The answer lies with Earth's diurnal cycle.
The White Christmas Quiz
The White Christmas Quiz From Rachelle Oblack ,Your Guide to Weather .FREE Newsletter. Sign Up Now How
How to Become a Meteorologist - About.com Weather
Advice on how to get the right education that'll prepare you for a successful career in weather.
Willy Willy
Willy-Willy is defined in the weather glossary. Full definitions include photos and links to key weather articles on the topic. Explore the latest weather news as you browse the meteorology terms organized alphabetically with synonyms, misuses, and pronunciations.
The Jet Stream
A narrow band of air that moves around the earth at relatively high speeds. Speeds in a jet can reach close to 200 miles per hour
Why Doesn't Freezing Rain Turn Into Snow?
Freezing rain is a winter precipitation type that can be deadly. Learn what causes freezing rain, how freezing rain forms, and the differences between freezing rain and sleet or snow formation.
Top 10 Weather Songs of the 1960's
A list of the top weather songs of the 1960's is listed including artist, year, record label, and description. This fun list of songs is perfect for the weather fan and includes all the details you need to find these oldies classics.
Buys Ballot Law
Buys Ballots law, sometimes referred to as the Baric Wind Law, is discussed.
The Coriolis Effect
Understanding the Coriolis Effect is not easy for many people. Why do the winds blow? What direction does wind blow in the Northern and Southern Hemispheres? These question are answered easily with a series of videos and computer simulations as well as a comprehensive list of Coriolis Effect lesson plans and curriculum materials.
Virga
Virga. Weather.
Thunderstorms
Thunderstorms are small scale weather patterns resulting from the formation of cumulonimbus clouds. A storm usually builds and diminishes within 30 minutes.
How to Be a Storm Chaser
How to be a storm chaser is one of the most frequently asked questions I receive. Read an exciting interview with a real-life storm chaser! Chris Caldwell is a participant in the annual storm chaser car show at the National Weather Festival in Oklahoma and he has great stories to tell and advice on becoming a storm chaser.
Wind Gusts
Wind gust definition in the weather glossary.
Top 10 Free Tornado Videos - See the Power of a...
Witness the awesome power of high winds and damaging debris flying and swirling from close range in this list of the top 10 best tornado videos ever!
Climatologist
Climatologist definition and job responsibilities
The Waco Tornado
The top 10 deadliest US tornadoes created a staggering death toll. The number of lives lost in these tornadoes was tragic, as was the damage that they caused. Tornado damage happens very quickly and often without a lot of warning. This is especially true in the area of the US called tornado alley. Pictures of tornadoes show the devastation that can be caused based on wind speed (as measured by the Fujita scale) and the population of the area where the tornado touched down.
Altocumulus Cloud - Weather Definition
Altocumulus cloud definition and photo including related weather terms in a full indexed weather photo glossary.
Top 10 Free Videos on the Birth of Hurricanes
Get up close and personal with a hurricane with images and clips from NASA and other top news organizations! These exciting and free downloadable videos from NASA satellites all around the globe will allow you to see hurricanes as you have never seen them before.
Knot
Knots. Weather.
Rainbows
Rainbows are defined in the weather glossary. Full definitions include photos and links to key weather articles on the topic. Explore the latest weather news as you browse the meteorology terms organized alphabetically with synonyms, misuses, and pronunciations.
Nor'easter - What Is a Noreaster?
Noreaster storms are a winter weather condition commonly associated with the Northeastern United States. These blizzard like conditions cause power outages, deep snow, icy road conditions and more.
Earth's Seasons
Explore the science behind winter, spring, summer, and fall.
How to Use Weather Maps to Make a Forecast
How to use weather maps to make a mock forecast: A high school science lesson plan
What are the warning signs of an approaching...
An hour-by-hour description of weather conditions leading up to a (Category 2) hurricane strike.
Nitrogen - Gases in the Atmosphere
Nitrogen in the atmosphere is defined in the weather glossary. Full definitions include photos and links to key weather articles on the topic. Explore the latest weather news as you browse the meteorology terms organized alphabetically with synonyms, misuses, and pronunciations.
Auroras - Northern and Southern Lights
Auroras are caused by the interaction of earth's magnetic field with particles from the sun. This tutorial will show you the ways the sun creates these beautiful colors in the sky and where you can see them tonight! Page 5.
The Fujiwhara Effect
The Fujiwhara Effect is the term used to describe the rotation of two tropical storms or hurricanes around a common center. Several large hurricane systems have shown a Fujiwara Effect as the storm vortices interact often causing one hurricane or tropical depression to weaken.
9 Types of Snow Storms
The nine main types of winter precipitation are listed and explained including outside educational links for families to create winter safety and emergency kits. Compare the types of snow storms that could hit your area. Snow flurries, snow showers, winter squalls, and blizzards are discussed as the ingredients for winter precipitation are explained in detail. Keeping yourself and your family safe during the winter months is crucial as winter storm warnings are addressed.
Make an Auto Safety Kit - Winter Driving
Learn to create a family disaster plan, use a weather radio, plan for an automobile emergency, or survive the ravages of the freezing winter weather.
Condensation & Evaporation
What are condensation and evaporation, and how do they shape our weather?
The Atmosphere
Without the atmosphere, our planet would not only be lifeless, but there would be no weather! Find out why.
Dust Devil
A dust devil is not a true tornado but rather an atmospheric disturbance caused by convective processes.
Occluded Fronts
Occluded fronts are a type of front or frontal boundary. There are warm occlusions and cold occlusions.
The Köppen System of Climate Classification
Think the Köppen climate classification looks like gibberish? Learn what each letter means and how you can find the Köppen classification of any location world-wide.
Top 10 Deadliest Tornadoes
A list of the top 10 deadliest tornadoes in the United States.
I'm Confused! Each Season Has More than One...
If someone asked you when each of the seasons occur, how would you respond? Your answer may depend on whether you think of the seasons in a more traditional, or a more weather-related sense.
Stability
Stability definition. Weather.
Top 11 Funny Weather Videos and Bloopers
Weather bloopers are not just for forecasters! Even if your local news weatherman or weatherwoman gets the 5 day forecast wrong, remember that the job is not easy! Watch some of the best bloopers worldwide!
Tropical Air
Tropical air is a weather term used to describe air formed in regions where the temperature is warm, such as the equator.
What are Waterspouts?
Is a water spout a tornado? Learning how tornadoes form could save your life. Would you know what to look for? Find out everything you need to know about the formation of these violent twisters.
Hurricane Katrina Explained
Why did New Orleans flood? Why did Hurricane Katrina cause so much damage in the Gulf? These questions and more are part of a series of weather articles.
What Is the World Record Highest Wind Speed?
The highest wind speed recorded occurred in the Northeast United States at Mount Washington Observatory. Read about the amazing wind speed weather record taken from this peak.
Top 9 Weather Songs of the 1980s
A list of the top weather songs of the 1980s is listed including artist, year, record label, and description. This fun list of songs is perfect for the weather fans and includes all the details you need to find these classics. Teachers and students will find the music very helpful in their daily classroom plans for elementary and secondary schools as well!
Can You Tell Time Like a Meteorologist?
Learn about Z time, including how it differs from other 24-hour clocks, and how to easily calculate it.
Top 9 Computer Games and Video Clip Animations...
Using computer simulations and video tutorials, full understanding of the Coriolis Effect on Earth winds is explained in detail. Although often difficult to describe in words, these movie files and games will help any weather lover to better understand the wind belts on earth and their directions of movement.
Beaufort Wind Scale
The intensity of wind is commonly measured using the Beaufort Wind Intensity Scale. Page 10.
Simulate a Weather Front with Warm and Cold Air...
Make your very own weather front in a jar! Use these step by step instructions to create a weather front for yourself or for the classroom!
Smog
Definition and resources on smog pollution
Top 7 Stories from Hurricane Katrina to Make...
The devastation of Katrina will leave few to doubt that hurricanes are one of nature’s most destructive forces. Here, victims and rescue workers tell their tales of heroism and survival.
Top 10 Weather Radios and Scanners
Compare prices of weather radios designed to receive national and local weather news. Keep alert for watches and warnings with an electronic weather scanner. A weather radio could save your life in the event of severe weather such as hurricanes, flooding, tornadoes, and typhoons.
Surviving the Winds of Hurricane Ivan
Author Michielle Beck tells her tale of survival during Hurricane Ivan on weather.about.com, the site for up-to-date weather news and information for teachers, students, and the community. Get educated and explore your earth environment!
Huracan
Huracan is defined in the weather glossary
Is the Earth Warming Because of Human Activity...
Evidence from multiple sources indicate the earth is warming due to increases in greenhouse gases. Political statements and confusion in reading scientific graphs and research have caused a lot of hot button arguments about earth's climate change.
Wind Shear
Wind Shear definition is presented along with evidence and new research on preventing aviation accidents based on NASA technology. The role of wind shear in hurricane development is also discussed.
Weather Vanes: A Brief History
Weather vanes have been used since at least the first century B.C. These primitive but easy to use weather instruments are the subject of both collectible history and weather history.
Weather Coloring Books for Kids
Weather coloring books are a fun and easy way to teach about severe storm safety and preparation. Students, teachers and families can get educated on the basics of tornadoes, hurricanes, lightning, winter storms, and flash floods through these informative and free weather downloads.
What is a Storm Surge?
Sometimes it is not the hurricane or typhoon that causes the most damage in a storm. Sometimes it is the storm surge. So, what is a storm surge?
What is Lake Effect Snow?
What is the difference between a lake effect snow storm and a regular winter storm? All of your weather questions are answered here!
Thunderstorms vs. Tornadoes vs. Hurricanes
How do thunderstorms, tornadoes, and hurricanes differ? See how in this side-by-side storm comparison.
Track the Path of an Atlantic Hurricane Using a...
Getting into the path of a storm is an excellent way to increase knowledge of tropical cyclone systems. The online interactive hurricane tracker takes you on the path of Hugo, Andrew, Camille and more as you see the development from tropical depression, to tropical storm, and finally to hurricane. Wind speed and Saffir-Simpson Scale hurricane category ratings are even color coded for ease.
New York - Holiday White Christmas Weather...
Have you ever wondered what the chances are for a White Christmas in your state or city? Here is a list of holiday forecasts for a blanket of snow on December 25th for selected cities in every state in the US. The winter weather may produce an abundance of snow in your area. Check it out now.
Driving in Flood Waters
Driving in flood water is dangerous. Flash flooding is a dangerous result of excessive rains in an area. Whether the area is flooded by saturated soils or river overflow, everyone should be educated on the dangers of flood waters.
Heat Wave
A definition of heat wave, including its history and dangers. Click through our list of suggested readings to learn even more.
Cold Fronts Approaching
Cold air that pushes in on a warm air mass will cause an uplift of air sometimes producing severe weather conditions. Page 3.
Heads Up! Lightning Ahead
Keep a lookout for these signs; they'll warn you when it's time to seek shelter indoors and, God forbid, when lightning may be about to strike you.
Top 10 Weather Songs of the 1970's
A list of the top weather songs of the 1970's is listed including artist, year, record label, and description. This fun list of songs is perfect for the weather fan and includes all the details you need to find these oldies classics.
Name That Weather Front Symbol
weather maps symbols fronts cold warm occluded stationary stationery
Tropical Depressions
Tropical depressions definition in the weather glossary.
Air Quality
Air Pollution - While air pollutants can come from both natural and artificial sources, humans are actually making certain days of the week worse. Find out which days of the week you are at the most risk for low air quality related health problems.
Flood Facts and Statistics
The Flood Fact File for interesting and little=known statistics on floods.
Free Weather Calculators
Weather calculations are easy even with complex forumlas with a weather calculator. The National Weather Service offers a series of calculators to help everyone from entusiasts, to students, to teachers.
Overcast
Overcast skies definition in the weather glossary.
Why Do We Have Weather?
Weather happens everyday, but have you ever wondered why?
Hurricane Safety
Hurricane activities and interactive lessons are. Page 4.
Show Air Has Volume
Air takes up space and has volume. Many younger elementary school students will sometimes think air does not take up space. This simple weather lesson plans will allow teachers to demonstrate a volume of air.
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