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Meteorology CloudyCoalescence

Multicell cluster storms frequently look similar to the one pictured in the photograph below, (assuming that low visibilities and/or intervening clouds, trees, or hills do not obscure the view).

 


cluster ions"Ions in which a charged molecule is surrounded by a number of loosely bound neutral molecules held by electrostatic forces. In the troposphere, the associated molecules are often ambient water molecules.

A cluster of frazil particles
Floe
In hydrologic terms, an accumulation of frazil flocs (also known as a "pan") or a single piece of broken ice ...

Multicell Cluster Thunderstorm - A thunderstorm consisting of two or more cells, of which most or all are often visible at a given time as distinct domes or towers in various stages of development.

Floc A cluster of frazil particles.
Floe An accumulation of frazil flocs (also known as a "pan") or a single piece of broken ice.

Cloud - A visible cluster of tiny water and/or ice particles in the atmosphere.

Forecast tracks are based upon linear extrapolation of past storm centroid positions, and they are intended for application to individual thunderstorms not lines or clusters.

MCS often is used to describe a cluster of thunderstorms that does not satisfy the size, shape, or duration criteria of an Mesoscale Convective Complex.

It usually appears clustered into snowflakes. It is reported as "SN" in an observation and on the METAR. SNOW ADVISORY A statement or advisory issued when snow is expected to create hazardous travel conditions.

A Thunderstorm usually consists of more than one cumulonimbus cloud, in lines or clusters. A single thunderstorm cell is actually quite rare. Thunderstorms are organized as single cell, multicell, line, or supercell.

Four Basic Thunderstorm Types Thunderstorms occur in a variety of forms, sometimes as an isolated cumulonimbus cloud (anvil shaped), sometimes as a cluster of clouds, sometimes as a squall line, ...

This imagery is derived from emissions in the atmosphere clustered around a wavelength of 6.7 micrometre.

These thunderstorms are organized in clusters of at least 2-4 short-lived cells. Each cell generates a cold air outflow and these individual outflows combine to form a large gust front.

Multicell Thunderstorms: These thunderstorms are organized in clusters of at least 2-4 short-lived cells. Each cell generates a cold air outflow and these individual outflows combine to form a large gust front.

In meteorology a wide spread fast moving cluster of thunderstorms associated with
"Extratropical Mesoscale Convective Systems" (MCS) which produce strong dounbursts in clusters creating straight line wind damage of
hundreds of miles.

A large cluster of thunderstorms and rain. It is defined using satellite meteorology.

Derechos include any family of downburst clusters produced by an extratropical MCS, and can produce damaging straight-line winds over areas hundreds of miles long and more than 100 miles across.
...

Derecho - any family of downburst clusters produced by an extratropical mesoscale convective system
Desertification - a tendency toward more prominent desert conditions in a region ...

MCS- Mesoscale Convective System. A large cluster of thunderstorms and rain. Can be a squall line, multi-cells or a mesoscale convective complex.
MEASURABLE- Precipitation of 0.01" or more.

AGGREGATION
The process of snowflakes massing together in a cluster, maximizing when temperatures are within just a few degrees of freezing.

Mesoscale convective complex (MCC) A nearly circular organized cluster of many interacting thunderstorm cells covering an area of many thousands of square kilometers.

ground clutter—Pertaining to radar, a cluster of echoes, generally at short range, reflected from ground targets.

MCS - Mesoscale Convective System. A grouping of storms, either in a line or a circular cluster that has organization larger than each individual cell.

It normally persists for several hours and may be rounded or linear in shape. This term is often used to describe a cluster of thunderstorms that does not meet the criteria of a mesoscale convective complex (MCC).

It most often falls from stratiform clouds, but can fall as snow showers from cumuliform ones. It usually appears clustered into snowflakes. It is reported as "SN" in an observation and on the METAR.

MCS's may be round or linear in shape, and include systems such as tropical cyclones, squall lines, and MCCs (among others). MCS is often used to describe a cluster of thunderstorms that does not satisfy the size, shape, ...

Hurricanes begin in a tropical low-pressure area where cumulonimbus cluster in a region of high sea surface temperature.

See also: Storm, Weather, Thunder, Thunderstorm, Cloud