| A | B |
|---|
| meteorologist | scientist who studies the weather |
| National Weather Service | issues weather advisories |
| weather watch | conditions are right for severe weather |
| weather warning | severe weather actually exists |
| station model | a model that shows the weather conditions using symbols |
| isotherm | line that connects points of equal temperature |
| isobar | line that connects equal points of pressure |
| west to east | direction weather systems move across the United States |
