Weather Glossary
| A | - | B | - | C | - | D | - | E | - | F | - | G | - | H | - | I | - | J | - | K | - | L | - | M | - | N | - | O | - | P | - | Q | - | R | - | S | - | T | - | U | - | V | - | W | - | X | - | Y | - | Z |
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||
New Definitions
<<
Browsing page 1 of 1
>>
| Ablation | Depletion of snow and ice by melting and evaporation. ... | |
| Absorption | The process in which incident radiant energy is retained by a substance by conversion to ... | |
| Accretion | The growth of a precipitation particle by the collision of a frozen particle with a ... | |
| Adiabat | A line on a thermodynamic chart relating the pressure and temperature of a substance (such ... | |
| Adiabatic | Changes in temperature caused by the expansion (cooling) or compression (warming) of a body of ... | |
| Adiabatic Lapse Rate | The rate of decrease of temperature experienced by a parcel of air when it is ... | |
| Advection | Transport of an atmospheric property by the wind. ... | |
| Air Mass | A body of air covering a relatively wide area and exhibiting horizontally uniform properties. ... | |
| Air Mass Thunderstorm | Generally, a thunderstorm not associated with a front or other type of synoptic-scale forcing mechanism. ... | |
| Albedo | Reflectivity; the fraction of radiation striking a surface that is reflected by that surface. ... | |
| Alberta Clipper | A fast moving low pressure system that moves southeast out of Canadian Province of Alberta ... | |
| Aleutian Low | A semi-permanent, subpolar area of low pressure located in the Gulf of Alaska near the ... | |
| Altostratus | A cloud of a class characterized by a generally uniform gray sheet or layer, lighter ... | |
| Anemometer | An instrument used for measuring the speed of the wind. ... | |
| ANOMALOUS PROPAGATION | Non-standard atmospheric temperature or moisture gradients will cause all or part of the radar beam ... | |
| Anticyclone | A large-scale circulation of winds around a central region of high atmospheric pressure, clockwise in ... | |
| Anvil | The flat, spreading top of a cumulonimbus cloud, often shaped like an anvil. Thunderstorm anvils ... | |
| Arctic Oscillation | The Arctic Oscillation is a pattern in which atmospheric pressure at polar and middle latitudes ... | |
| Arcus | A low, horizontal cloud formation associated with the leading edge of thunderstorm outflow (i.e., the ... | |
| Azores High | Alternate term for Bermuda High - a semi-permanent, subtropical area of high pressure in the ... | |
<<
Browsing page 1 of 1
>>
