| A | B |
|---|
| psychrometer | tool that measures relative humidity |
| anemometer | tool that measures relative wind speed & direction |
| tornado | counter-cyclical storm that has winds up to 300m.p.h. |
| fujita | 1-5 scale that measures the destructiveness of tornadoes |
| wind | horizontal air movement caused by unequal heating of the earth |
| sea_breeze | ***wind that moves from the ocean onto the shoreline |
| land_breeze | ***wind that moves from the shoreline out to the ocean |
| humidity | amount of humidity in the air |
| relative_humidity | ***percentage of the actual amount of water in the air compared to its saturation point |
| high_pressure | ***pressure caused by cold air pushing down on the planet's surface |
| low_pressure | ***pressure caused by warm air rising from the planet's surface |
| warm_front | ***pocket of warm air pushing cooler air mass away |
| cold_front | ***pocket of cold air pushing warmer air mass away |
| stationary_front | ***two pockets of air colliding together but not moving for a period of time |
| weather | short term condition within the troposphere |
| thermometer | tool to measure average kinetic energy of air |
| degree | unit of measurement on the Celsius and Fahrenheit scales |
| Celsius | base 10 temperature scale based on the freezing & boiling points of water |
| Kelvin | temperature scale that begins with no atomic motion |
| Fahrenheit | temperature scale where water boils at 212 degrees & freezes at 32 degrees |
| absolute_zero | ***temperature where there is no motion |
| dew_point | ***temperature where air is saturated with water |
| saturation | point at which relative humidity is 100% |
| barometer | tool that measures air pressure in millibars |
| air mass | block of air with similar temperature, pressure and humidity |
| occluded front | warm air mass trapped between 2 cooler air masses |
| jet stream | river of fast, high altitude air moving west to east |
| doldrums | equatorial area with little air movement |
