NOTE: We've guessed that
you're not using a client that supports colored tables and have tried
to compensate. Low graphics mode looks much better on clients that
do... we recommend switching to Netscape 3.0 or Microsoft Internet
a key component of clouds and precipitation
Water existing as a gas is called water vapor.
When referring to the amount of moisture in the air,
we are actually referring to the amount of water vapor.
If the air is described as "moist", that means the air contains
large amounts of water vapor.
Common sources of moisture for the United States are the
warm moist air masses that flow
northward from the Gulf of Mexico and western Atlantic Ocean.