| A | B |
|---|
| continental tropical air mass | air mass that is generated over land and is warm and often dry |
| continental polar air mass | air mass that is generated over land and is cold and often dry |
| maritime polar air mass | air mass that is generated over the ocean and is cold and often has a high humidity |
| maritime tropical air mass | air mass that is generated over land and is warm and often has high humidity |
| cold front | a front created when a fast moving cold air mass overtakes a warm air mass |
| warm front | a front that is created when a warm air mass overtakes a cold air mass |
| stationary front | a front that is created when a cold air mass and a warm air mass meet and neither can move |
| occluded front | a front that is created when a warm air mass is sandwiched between two cold air masses |
| tornada | generated on land from cumulonimbus cloud, rated as EF 0 -5, rating determined according to amount of damage |
| hurricane | generated over tropical water 80 degress F or above; season from Jun thru Nov., categories of 1-5, always named |
| line with trianges on one side; blue in color | symbol for cold front |
| line with half circles all on one side; red in color | symbol for warm front |
| line with alternating half circles and triangles on either side | symbol for a stationary front |
| line with alternating half circles and triangles all on the same side | symbol for an occluded front |
