| A | B |
|---|
| Saffir-Simpson Scale | a ranking of Category 1 to Category 5 used to classify hurricanes |
| saharan Air layer | A hot dry dry dusty air layer that forms over North Africa |
| Sensible heat | heat emitted by Earth's surface and absorbed by the surrounding atmosphere |
| Storm | a violent weather such as a hurricane thunderstorm or blizzard |
| Storm Surge | A large water wave that is pushed onshore by wind |
| Stratosphere | the layer of Earth's atmosphere above the troposphere |
| sublimation | a transformation of phase change from solid to gas |
| supercell | the largest strongest most hazardous type of thunderstorms |
| temperature inversion | a condition of the atmosphere during which a layer of warmer less dense air lies above a layer of cooler denser air |
| thunder | the sonic boom that occurs when a lightning old discharges during an electrical storm |
| thunderstorm | a storm having thunder and lightning usually having strong wind and heavy rain and sometimes having hail or tornadoes that form as warm moist air rises |
| tornado | a voilently spinning column of air extending down from a thunderstorm and in contact with the ground |
| Tornado Alley | a region through the Great plains of the Centrual United States where conditions are particularly favorable for tornado development |
| tropical Cyclone | massive tropical storm that forms over warm ovean water with extremely strong winds spiraling around a center of low air pressure |
| Troposphere | the lowest layer of the atmosphere where almost all weather occurrs |
| Typhoon | the term used for a tropical cyclone that fomrs in the pacific ocean near asia |
| Warning | generally an alert issued when severe weather is in progress in the U.S. the national weather service issued severe storm warnings on a per county basis |
| watch | generally an alert issued by the National Weather Service |
| water cycle | the continuous circulation of water within Earth's atmosphere, land, surface, water, and groundwater |
| water vapor | colorless odorless incisible gaseous form of water in the atmosphere |
| wavelength | the distance between adjacent peaks in a series of periodic waves |
| weather | a state of the atmosphere that is often desribed by measured calues of weather cariables such as pressure precipitation and humidity |
| wind | the perceptible movement of air from an area of higher air pressure to an area of lower pressure |
| wind barb | a symbol used in reporting meteorological observations of wind speed and direction |
| wind shear | a change in wind speed and or direction at different heights in the atmosphere |
