| A | B |
|---|
| Fujita Scale | a scale ranging from F) ( least intense) to F% ( most) used to classify tornadoes according to wind spped and the damage that can occur |
| Probes | Rugged and loaded with instrumentation, these portable weather stations collect tornado data near the ground where radar can't reach. |
| Dry Line | a boundary at which moist air meets dry air |
| Dew Point | the temperature at which water vaport begins to condense into liquid water |
| Updraft | a rising current of air) that is tilted and rotating |
| Supercell | the largest strongest most hazardous type of thunderstorm. Having a strong zone of rotation capable of hail torential rain etc |
| isobar map | Map showing the lines of constant atmospheric pressure known as isobars |
| Funnel Cloud | A funnel cloud is a funnel -shaped cloud of condensed water droplets, associated with a rotating column of wind and extending from the base of a cloud |
