Tropical Depression
Once a group of thunderstorms has come together under the right atmospheric conditions for a long enough time, they may organize into a tropical depression.
A tropical cyclone is the common name given for hurricanes, tropical storms, and tropical depressions together. The benefit of understanding tropical cyclone origination is a better understanding of later development.
depression"1. In general, a point or limited area of locally lower elevation in a particular surface. 2. In meteorology, an area of low pressure; a low or trough.
DEPRESSION In meteorology, it is another name for an area of low pressure, a low, or trough. It also applies to a stage of tropical cyclone development and is known as a tropical depression to distinguish it from other synoptic features.
Depression
A region of low atmospheric pressure that is usually accompanied by low clouds and precipitation. The term is also sometimes used as a reference to a Tropical Depression.
Depression Storage ...
Depression
In meteorology it is another name for a low pressure system, an area of low pressure or a trough.
Desert ...
Depression Storage The volume of water contained in natural depressions in the land surface, such as puddles.
depression—In meteorology, an area of low pressure; a low or trough.
Depression Storage This term is used primarily by hydrologists to refer to the water stored in puddles, ditches, and other small depressions in the local landscape.
Cone of Depression
In hydrologic terms, the depression, roughly conical in shape, produced in a water table, or other piezometric surface, by the extraction of water from a well at a given rate.
Cone of Depression: The depression, roughly conical in shape, produced in a water table, or other piezometric surface, by the extraction of water from a well at a given rate. The volume of the cone will vary with the rate of withdrawal of water.
Depression- An area of low atmospheric temperature.
Dew- Water that condenses onto grass and other objects near the ground.
Dew Point- The temperature to which a certain volume of air must be cooled to bring the relative humidity to 100 percent.
Tropical Depression
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Indirect Hit, INLD, Landfall, Tropical Cyclone Associated High Winds, Tropical Disturbance, TRPCL, TS, Willy-Willy
Also listed in ...
Tropical Depression: A tropical cyclone in which the maximum sustained surface wind speed (using the U.S. 1-minute average) is 33 kt (38 mph or 62 km/hr) or less.
Tropical depression
A closed-circulation low pressure area of tropical origin with maximum sustained winds of less than 34 knots.
Tropical storm ...
Tropical Depression
A tropical cyclone with winds that do not exceed 38 miles per hour.
Tropical Storm ...
Tropical Depression - It's a low-pressure disturbance that forms over warm tropical ocean waters and produces winds of 38 m.p.h. or less.
Trough - It's an elongated area of low pressure.
TROPICAL DEPRESSION - A organized tropical cyclone with winds less than 38 MPH. Must have a full rotary circulation.
Cyclone (depression, low, low-pressure area) Area in the atmosphere in which the pressures are lower than those of the surrounding region at the same level.
Dewpoint Depression - the difference in degrees between the air temperature and the dewpoint temperature ...
DEWPOINT DEPRESSION (TDD)- The positive numerical difference between the temperature and the dewpoint.
tropical depression - A tropical cyclone with a closed wind circulation and maximum surface winds up to 17 m s-1 (34 knots).
TROPICAL DEPRESSION: Tropical mass of thunderstorms with a cyclonic wind circulation and winds between 20 and 34 knots.
Tropical Depression
Wind speed up to 33 knots (38 mph).
Tropical Storm
Maximum wind speed of 34 to 47 knots (39 to 73 mph) ...
Tropical depression A mass of thunderstorms and clouds generally with a cyclonic wind circulation of between 20 and 34 knots
Tropical disturbance An organized mass of thunderstorms with a slight cyclonic wind circulation of less than 20 knots.
Tropical depression An early stage in the development of a hurricane; sustained winds are at least 37 km (23 mi) per hour but less than 63 km (39 mi) per hour.
A tropical depression is an organized system of clouds and thunderstorms with a defined, closed surface circulation and maximum sustained winds of less than 17 metres per second (33 kn) or 39 miles per hour (63 km/h).
Meanwhile, the depression that became hurricane Isabel originated near the Cape Verde islands, strengthening as it moved westward.
Closed BasinA basin draining to some depression or pond within its area, from which water is lost only by evaporation or percolation. A basin without a surface outlet for precipitation falling precipitation.
Depending on sustained surface winds, the system is classified as a tropical disturbance, a tropical depression, a tropical storm, or a hurricane or typhoon.
Infiltration is equal to the total precipitation less the losses due to interception by vegetation, retention in depressions on the land surface, evaporation, and surface runoff.
The moisture term is derived from the dew point depression at a single atmosphere level. This index has been shown to be correlated with large fire growth on initiating and existing fires where surface winds do not dominate fire behavior.
Tropical Depression: The beginning stage of a "Hurricane" with wind speeds of at least 39 mph or 63 km. Given a number. Example: Tropical Depression No. 1.
Tropical Storm: A Tropical Cyclone having winds between 39 to 73 mph or 63 to 118 km.
close to what we now call a depression), two different 'streams' of air could often be found converging into the disturbed zone - each having markedly different properties.
The next depression developed off southern Queensland on 21 June, bringing a renewal of strong to gale force southeasterly winds and heavy rain over largely the same areas as before.
When a storm develops a clearly recognizable pattern, it is referred to as a tropical depression. When wind speeds reach 35 knots (40.3 mph), it is called a tropical storm and is given a name.
Blockade: Term which defines the situation in which there is the interruption of the normal movement to the East of depressions, troughs, anticyclones and ridges for a certain period of time.
When ventilated, the instrument indicates the dry-bulb and wet-bulb temperatures. Dewpoint and relative humidity can be determined from the wet bulb depression using a psychrometric table. See also hygrometer.
 See also: Air, Pressure, Surface, Water, Temperature
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