Show:
Water in the Air
Fronts
Severe Weather
Forecasting the Weather
This and That
100
What type of precipitation starts as rain and freezes in the air.
sleet
100
What kind of front forms when warm air moves over cold air and replaces it.
Warm front
100
What causes changes in weather?
Air masses move and meet
100
This instrument carries electronic equipment that can measure weather conditions as high as 30 km above Earth's surface.
Weather balloon
100
During what weather is it safest to stay low to the ground?
Thunderstorms
200
What part of the water cycle carries water from precipitation into oceans
runoff
200
What kind of front brings cool temps and lots of precipitation?
Occluded front
200
The most powerful storms on Earth are
Hurricanes
200
What instrument measures air pressure?
Barometer
200
What kind of severe weather begins with thunderstorms over the ocean
Hurricane
300
What takes place when air temperature falls bellow its dew point?
Condensation
300
What way does the wind spiral in an anticyclone?
They spiral out toward low pressure areas
300
75% of this severe weather occurs in the United States.
Tornadoes
300
What is NWS ?
National Weather Service
300
What causes lightning?
An electric discharge
400
How does air’s ability to hold water vapor decrease?
Temperature decreases
400
Cyclones take place in what areas of the atmosphere?
low pressure areas
400
What kind of weather happens in cumulonimbus clouds when the atmosphere is unstable?
Thunder and lightning
400
Why would a meteorologist compare a new weather map with one that is 24 hours old?
To find how fast a front is moving
400
A maritime polar air mass that forms over the North Pacific Ocean brings what kind of weather to the Pacific Coast?
cold and wet
500
The prefix alto is used to describe what?
Middle clouds
500
Many days of cloudy, wet weather is brought in by what kind of front?
Stationary front
500
Describe the eye of a hurricane
Calm, warm air, low pressure, light winds
500
If doppler radar is used, a meteorologist can predict a tornado up to how many minutes before it touches down?
20
500
Name the 4 parts of the water cycle
Evaporation, condensation, precipitation, runoff