Thunderstorms occurred 5 days. On the 2nd., 7th., 25th., 27th., & 30th.
A trace of snow occurred on the 2nd. as 1/4" hail. "Melted as it fell".
Types of Thunderstorms single cell, multicell clusters, multicell lines and supercells ...
Severe Thunderstorms
Hot, humid, unsettled weather conditions. An approaching cold front or trough. The ideal conditions for severe thunderstorms, and their progeny of flash flooding, large hail, destructive wind gusts, and even tornadoes.
Severe thunderstorms Intense thunderstorms capable of producing heavy showers, flash floods, hail, strong and gusty surface winds, and tornadoes.
Thunderstorms caused by powerful sea breeze fronts frequently occur in Florida, a peninsula surrounded on both the east and west by the Atlantic Ocean and Gulf of Mexico, respectively.
Thunderstorms which develop after sunset. They are often associated with the strengthening of the low level jet and are most common over the Plains states.
Thunderstorms formed primarily due to steep lapse rates, especially when very cold air aloft overlays warmer surface air.
Cold front ...
Thunderstorms- Storms that produce lightning and thunder.
Tornado- A violently rotating column of air that reaches from the base of a cloud to the ground.
Tropics- The area of the globe from latitudes 23.5 degrees north to 23.5 degrees south.
thunderstorms and cumulonimbus clouds
tropical cyclones
severe squall lines
moderate or severe turbulence
moderate or severe icing
widespread sand storms and dust storms
well-defined surface convergence zones ...
THUNDERSTORMS - These storms are very small scale convective storms. They can be directly penetrated, indirectly penetrated, or externally observed. Direct penetration, or core punching, often is very dangerous with thunderstorms.
[Thunderstorms & Tornadoes] [Hurricanes] [Blizzards & Winter Weather] [Clouds] ...
New thunderstorms often develop along outflow boundaries, especially near the point of intersection with another boundary (cold front, dry line, another outflow boundary, etc.; see triple point).
The thunderstorms most likely to produce tornadoes are called supercells and are often a product of the severe weather trigger known as the dry line.
severe thunderstorms (damaging wind gusts, large hail, very heavy rain or tornadoes), limited by areas of radar coverage
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floods (warnings of minor, moderate or major flooding in various river basins) ...
LAL 4 - Thunderstorms common. Moderate to heavy rain reaching the ground.
LAL 5 - Numerous thunderstorms. Moderate to heavy rain reaching the ground.
LAL 6 - Dry lightning (same as LAL 3 but without the rain).
Air mass thunderstorms are generally less likely to be severe than other types of thunderstorms, but they are still capable of producing downbursts, brief heavy rain, and (in extreme cases) hail over 2cm in diameter.
Since all thunderstorms are associated with some type of forcing mechanism, synoptic-scale or otherwise, the existence of true air-mass thunderstorms is debatable.Air PollutantHarmful substance or product introduced into the atmosphere.
A line of thunderstorms, or other heavy weather, often running parallel to, and ahead of, a cold front.
Stable
A non-convective state in the atmosphere, opposite to unstable.
COLD CORE THUNDERSTORMS
Thunderstorms formed primarily due to steep lapse rates, especially when very cold air aloft overlies warmer surface air.
Nearly all thunderstorms (including supercells) are multi-cellular, but the term often is used to describe a storm which does not fit the definition of a supercell.
Multiple vortex tornado ...
NOCTURNAL THUNDERSTORMS
Thunderstorms which develop after sunset. They are often associated with the strengthening of the low level jet and are most common over the Plains states.
>> Supercell thunderstorms: In some ways, this can be regarded as a special case of the multi-cell storm, with some additional factors.
MODERATE RISK (OF THUNDERSTORMS)
Severe thunderstorms are expected to affect between 5 and 10 percent of the area. A moderate risk indicates the possibility of a significant severe weather episode. See high risk, slight risk, convective outlook.
HailPrecipitation in the form of balls or irregular lumps of ice produced by liquid precipitation, freezing and being coated by layers of ice as it is lifted and cooled in strong updrafts of thunderstorms.
Several air mass thunderstorms will form, or a line of towering cumulus clouds with showers. At the beach, there are blue skies and a light breeze. This often occurs along the coast of the Gulf of Mexico and Flordia's east coast.
In order for a precipitation target to be detected by the radar, it must fill the entire radar beam; therefore, the radar will have a difficult time detecting small showers and thunderstorms at a great distance from the radar.
Enhanced V - A pattern seen on satellite infrared photographs of thunderstorms, in which a thunderstorm anvil exhibits a V-shaped region of colder cloud tops extending downwind from the thunderstorm core.
Thunderstorms often build to altitudes of 40 000-50 000 ft in midlatitudes and to even greater heights in the Tropics; only the great stability of the lower stratosphere limits their upward growth.
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, ...
It includes local winds, thunderstorms, and tornadoes.metadataOften described as "information or data about the data.
During thunderstorms, static electricity builds up within the clouds. A positive charge builds in the upper part of the cloud, while a large negative charge builds in the lower portion.
Cap (or Capping Inversion) - A layer of relatively warm air aloft (usually several thousand feet above the ground) which suppresses or delays the development of thunderstorms.
My earliest pre-school memories of the weather are of thunderstorms with bright lightning and roaring thunder.
This gives forecasters an indication of an environment that is favorable for supporting the development of thunderstorms with rotating updrafts, a precursor to supercell thunderstorms (the most violent of severe storms) and tornado development.
alti-electrograph"A balloon-borne instrument for recording the value of the atmospheric electric field strength within active thunderstorms.
Air mass thunderstorms typically are associated with warm, humid air in the summer months; they develop during the afternoon in response to insolation, and dissipate rather quickly after sunset.
Such thunderstorms normally occur within a tropical or warm, moist air mass during the summer afternoon as the result of afternoon heating and dissipate soon after sunset.
MCS (Mesoscale Convective System) - a complex of thunderstorms which becomes organized on a scale larger than the individual thunderstorms, and normally persists for several hours or more.
Severe thunderstorms are most efficient "machines" because the updraft remains strong for a long time. They also occasionally contain rotation on a broad scale.
Mesoscale Convective System (MCS)- A complex of thunderstorms which becomes organized on a scale larger than the individual thunderstorms, and normally persists for several hours or more.
The thunderstorms that result are the principal source of moisture for this region.
Mesoscale Pertaining to atmospheric phenomena having horizontal scales ranging from a few to several hundred kilometers, including thunderstorms, squall lines, fronts, precipitation bands in tropical and extratropical cyclones, ...
Squall Line - A line of thunderstorms sometimes several hundred miles long that can produce strong thunderstorms and sometimes severe weather.
Stable Air - Air that is colder than its surroundings and is resistant to upward movement.
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.
With thunderstorms, mammatus are seen on the underside of the anvil. These clouds do not produce tornadoes, funnels, hail, or any other type of severe weather, although they often accompany severe thunderstorms.
What is the Anvil Rule for Thunderstorms?
NASA launch protocols include data on weather and events within the atmosphere. Learn how anvil clouds form and why they are dangerous to the launch of a space shuttle.
Hail are bits of ice that are pushed up into thunderstorms. As other water comes in contact with the ice , it freezes, causing the hailstone to grow. Eventually, the hailstones become too heavy for the wind to support and fall to the ground.
Severe thunderstorm: Thunderstorms that produce one ore more of the following: a tornado, large hail (diameters greater then 1.9 cm, or 0.75 in) or wind gusts of at least 26 meters per second (58 miles per hour) ...
Mesoscale - a study of thunderstorms and similarly sized weather features. These things takes less than a day to pass, usually.
Meteorology - The science that studies the atmosphere.
Intertropical Convergence Zone (ITCZ): belt of clouds and thunderstorms that runs parallel to the equator and marks where the trade winds of both hemispheres come together.
Eye wall: The ring of thunderstorms that surrounds a storm's eye. The heaviest rain, strongest winds and worst turbulence are normally in the eye wall. ...
A line of heavy showers or thunderstorms often accompanied by strong and gusty winds.
Stable Air
Air in which temperature and humidity at various levels discourage the formation of convection currents.
SQUALL LINE: A non-frontal band, or line, of thunderstorms.
STATIONARY FRONT: A transition zone between airmasses, with neither advancing upon the other.
STORM: In marine usage, winds 48 knots (55 mph) or greater.
strong downdrafts produce strong winds associated with thunderstorms
midlevel clouds
altostratus (midlevel flat, layerd cloud)
a corona closely circles the sun or moon shining through altostratus
altocumulus (midlevel puffy clouds) ...
Storm: Strong or violent precipitation caused by Cumulonimbus clouds and followed by lightning and thunderstorms.
Surface Wind: By convention, the term applies to wind velocity at 10 meters height and in unobstructed areas.
Downburst: a strong downdraft current of air from a cumulonimbus cloud, often associated with intense thunderstorms.
Drizzle: precipitation consisting of numerous minute droplets of water less than 0.5 mm (500 micrometers) in diameter.
Intertropical convergence zone (ITCZ) Discontinuous belt of thunderstorms paralleling the equator and marking the convergence of the Northern and Southern Hemisphere surface trade winds.
Squall Line - A line of solid or nearly solid thunderstorms or strong winds that might extend for several hundred miles.
CDO - Central Dense Overcast. The cirrus cloud shield that results from thunderstorms in the eye wall of a hurricane and its rainbands.
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Severe Thunderstorm Warning
Indicates that severe thunderstorms have been sighted or indicated on radar.
 See also: Thunderstorm, Thunder, Cloud, Weather, Air
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