puffy white clouds
What are cumulus
This pressure system forces air down, and causes clear skies, dry
What is a high pressure system
A weather balloon carries this up to the upper atmosphere
What is a radiosonde
Wispy, high altitude clouds
What are cirrus clouds
This pressure system forces air up, causing clouds to form
What is a low pressure system
Instrument used to measure humidity and dewpoint
What is psychrometer
What word describes air masses that develop over warm water
What is maritime tropical
Lines that connect points of equal air pressure
What is an isobar
clouds with parrellel bands
Altocumulus
These
What is a
What air masses that cold and dry
What is Continental Polar & Continental Artic