Answers to the most common questions about the weather: clouds, thunderstorms, tornadoes, hail, hurricanes, global warming, fronts, air pressure, and much more.
--- A ---
AEROSOLS
What are aerosols?
AIR
What is air made of?
How much does air weigh?
AIR MASS
What is an air mass?
What is an unstable air mass?
AIR PRESSURE (see PRESSURE)
ANTARCTICA
What kind of weather does Antarctica have?
ANTICYCLONE
What is an anticyclone?
ANVIL CLOUD
What is an anvil cloud?
--- B ---
BLIZZARD
What is a blizzard?
BLUE SKY
Why is the sky blue?
--- C ---
CARBON DIOXIDE
What is carbon dioxide?
CLIMATE
What is climate?
CLOUDS
How do clouds form?
What types of clouds are there?
CLOUD SEEDING
What is cloud seeding?
COLD FRONTS (see fronts)
CONDENSATION
What is condensation?
CONDENSATION NUCLEI
What are condensation nuclei?
CONTRAILS
What are jet contrails made of?
CONVECTION
What is convection?
CYCLONE
What is a cyclone?
--- D ---
DEGREE-DAYS
What are degree-days?
DESERTS
Why are deserts so hot?
DEW
How does dew form?
DEWPOINT
What is dewpoint temperature?
DOWNBURST
What is a downburst?
DRIZZLE
What is drizzle?
DUST DEVILS
What causes dustdevils?
--- E ---
EARTH-IMPACTING ASTEROIDS
"Aussie Bloke" and his end-of-world theory
EVAPORATION
What is evaporation?
--- F ---
FORECASTING
How are weather forecasts made?
FOG
What causes fog?
FREEZING RAIN
What causes freezing rain?
FRONTS
What is a "cold front"? A "warm front"?
FROST
What causes frost?
FUNNEL CLOUD
What is a funnel cloud?
--- G ---
GLACIERS
What causes glaciers?
GLOBAL WARMING
What is global warming?
Dr. Roy Spencer on Global Warming
GREENHOUSE EFFECT
What is the greenhouse effect? What are greenhouse gases?
GUST FRONT
What is a gust front?
--- H ---
HAIL
What causes hail?
HALOS
What causes halos?
HEAT LIGHTNING
What is heat lightning?
HIGH PRESSURE (see PRESSURE)
HURRICANES
What causes hurricanes? What is the hurricane "eye"?
2011 Hurricanes
--- I ---
ICE PELLETS (SLEET)
What causes ice pellets (sleet)?
INFRARED RADIATION
What is infrared radiation?
--- J ---
JET STREAM
What causes the jet stream?
--- L ---
LAKE-EFFECT SNOW
What causes lake effect snow?
LIGHTNING
What causes lightning?
LOW PRESSURE (see PRESSURE)
--- M ---
MEGACRYOMETEORS
What causes megacryometeors? (Falls of large ice masses)
MONSOON
What is a monsoon?
--- N ---
NOR'EASTER
What is a nor'easter?
--- O ---
OZONE HOLE
What is the ozone hole?
OZONE LAYER
What is the ozone layer?
--- P ---
PRECIPITATION
What causes precipitation?
PRESSURE
What causes high pressure?
What causes low pressure?
--- R ---
RADAR
How does weather radar work?
RAIN (see PRECIPITATION)
RAINBOWS
What causes rainbows?
--- S ---
SANDSTORM
What causes sandstorms?
SEASONS
What causes the seasons?
SEVERE THUNDERSTORMS (see HAIL or TORNADEOS or DOWNBURST)
SNOW
What causes snow?
SNOW ROLLERS
What are snow rollers?
SNOWFALL RECORDS
What are the record 24 hour snowfalls by state?
SOLAR POWER
Why dont we use more solar power?
SQUALL LINE
What is a squall line?
STRATOSPHERE
What is the stratosphere?
SUNSETS
Why are sunsets red?
--- T ---
TEMPERATURE
How do you convert between Celsius and Fahrenheit temperature?
What are the lowest temperatures recorded in the U.S.?
What are the highest temperatures recorded in the U.S.?
TEMPERATURE INVERSION
What is a temperature inversion?
THUNDERSTORMS
What causes thunderstorms?
TORNADOES
What causes tornadoes?
TRADE WINDS
What causes the trade winds?
TROPICAL STORM
What is a tropical storm? a tropical depression?
TROPOSPHERE
What is the troposphere?
TURBULENCE
What causes turbulence?
TYPHOONS (see HURRICANES)
--- U ---
URBAN HEAT ISLAND
What is the urban heat island?
--- W ---
WATER VAPOR
What is water vapor?
WAVE CLOUDS
What causes wave clouds?
WEATHER
What causes weather?
WEATHER SATELLITES
How do weather satellites work?
WIND
What causes wind?
WIND SHEAR
What is wind shear?
(page last updated 4/25/2011)
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