| A | B |
|---|
| Insolation | incoming solar radiation |
| Angle of insolation | altitude of the sun over the horizon |
| Dew point temperature | temperature at which the air becomes saturated with water vapor and condensation occurs |
| Synoptic weather map | a single illustration containing multiple weather variables |
| Isotherm | an isoline connecting points of equal temperature |
| Barometric | force caused by weight of air from the pull of gravity |
| Isobar | an isoline connecting points of equal air pressure |
| Convergence | air movement toward the center of a low pressure system |
| Divergence | air movement away from the center of a high pressure system |
| Cyclone | counterclockwise |
| Anticyclone | clockwise |
| Air mass | a large body of air in the troposphere with similar characteristics of pressure |
| Source region | the region where an air mass originates |
