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Topic: Derecho

	Facts About Derechos Which Are Very Damaging Windstorms
		Derechos are associated with a band of showers or thunderstorms that are often "curved" in shape.
		An example of serial derecho with a very extensive squall line and with embedded smaller scale bow echoes is the one that affected Florida, Cuba, and adjacent portions of the Gulf of Mexico, the Caribbean Sea, and the Atlantic Ocean on March 12-13, 1993.
		The second type of derecho is called a "progressive" derecho and it is associated with a relatively short line of thunderstorms (typically from 40 miles to 250 miles in length) which may at times take the shape of a single bow echo, particularly in the early stages of development.
	www.spc.noaa.gov /misc/AbtDerechos/derechofacts (2343 words)

	Derecho - Wikipedia, the free encyclopedia
		A derecho is a widespread and long-lived, violent convectively induced windstorm that is associated with a fast-moving band of severe thunderstorms usually taking the form of a bow echo.
		Derechos are usually not associated with a cold front, but a stationary front.
		Late-year derechos are confined to Texas and the deep south, although a late-summer derecho struck upper New York State after midnight on September 7, 1998.
	en.wikipedia.org /wiki/Derecho (717 words)

	What is a derecho?
		Instead, these derechos feed on the abundant potential energy available in the lower levels of the atmosphere during the late spring and summer, and are dependent on instability (Doswell and Evans, 2000).
		Evidence for the existence of a progressive derecho can be found on the radar imagery, as progressive derechos produce the "bow echo," a term introduced by Fujita in 1978 (Doswell and Evans, 2000) often associated with derechos.
		Derechos also, by definition, are widespread events, possibly affecting areas as large as 2000 km2 (Doswell, 1994).
	snrs.unl.edu /amet451/miriovsky/what.html (854 words)

	Heat Wave of 1995 Derecho Series - Wikipedia, the free encyclopedia
		The Heat Wave of 1995 Derecho Series are a series of derechos that occurred from July 11 through July 15, 1995 in the U.S. This weather event is among one of the least known about but still notable weather events that occurred during the 20th century.
		The derechos developed along the northern rim of the air mass on a stationary front.
		The fourth derecho, another significant derecho of this series, started over upper Michigan on the evening of July 14 and moved east through Ontario and north and western New York in the early morning hours on the 15th.
	en.wikipedia.org /wiki/Heat_Wave_of_1995_Derecho_Series (843 words)

	The Derecho
		Derechos produce damaging, straight-line winds of 100 to 160 km/h (60 to 100 mph) that are strong enough to down trees and power lines.
		Derechos are straight-line winds in contrast to the circular winds of tornadoes.
		Derechos are members of a group of weather phenomena known as mesoscale-convective systems (MCSs) — large, organized weather systems comprised of a number of individual thunderstorms.
	www.suite101.com /article.cfm/science_sky/99905 (517 words)

	For Strong Winds: The Derecho
		Derechos most commonly form along nearly stationary fronts lying approximately west-east that separate very warm, moist, and unstable air on the south from a relatively cool, dry air to the north.
		Progressive derechos generally emerge in the spring and summer spawned by the abundant solar energy that heats the surface and the lower atmosphere.
		Derechos are most commonly experienced from the central and northern Plains across the Midwest into the Ohio Valley, but can occur in northeastern and east-central States and the southerly regions of eastern Canada.
	www.islandnet.com /~see/weather/storm/derecho.htm (1192 words)

	The Superstorm Subtropical Derecho
		As the derecho producing squall line raced through Florida, 7 people were killed and 79 were injured from the strong derecho winds and embedded tornadoes.
		As the derecho producing squall line crossed Cuba and adjacent waters during the morning hours of March 13th, there were two bands of very intense wind gusts (Fig.
		Reflectivity image (green) of the derecho producing squall line and associated bow echo recorded by the Havana radar at 2:59 AM EST on March 13, 1993.
	www.spc.noaa.gov /misc/AbtDerechos/casepages/mar12-131993page.htm (655 words)

	Derecho Environments
		Derechos are shown to develop and persist in a wide range of shear and instability.
		Derechos with proximity soundings are identified in nearly every month of the year over the 11-year extent of the study, with 27 SF and 30 WF events (Fig.
		A comparison between WF derecho and non-derecho MCSs implies that the strength of the mean flow, and its possible effects on speed of movement, also may be important in the development of sustained severe wind gusts at the surface.
	www.cimms.ou.edu /~doswell/bowpaper/bowpaper5.html (6907 words)

	paper-clim-new2
		Evidence of derecho multi-year variability is presented in section 3 that corroborates a recent estimate of the derecho climatology in the literature, but attention is focused on the effects of eliminating the higher wind gust criteria.
		A similar shift in the primary derecho regions also is suggested by Bentley and Sparks (2003), who argue that the southern-Plains maximum in the late 80s-early 90s, combined with the lack of events in the upper Midwest, may have been the result of a shift in favorable synoptic conditions on multi-year time scales.
		A data set of 244 derecho events over a 16-year period is used to examine the effects of changing the study period and the criteria for identifying derechos and to gain further insight into the interpretation of the underlying geographical distribution of derechos.
	www.nssl.noaa.gov /users/mcon/public_html/paper-clim-new.htm (5991 words)

	WHAT IS A DERECHO?
		A derecho is a widespread severe wind event resulting from persistent and violent outflow from a MCS (Mesoscale Convective System).
		The derecho environment includes dry mid-levels winds that are ingested into a squall line or a segment of a squall line.
		Derechos can be tracked from radar and severe weather reports while they are occurring since severe weather reports will be given in sequence as the derecho traverses along.
	www.theweatherprediction.com /habyhints/288 (183 words)

	Old School Wrestling Match, Blazer vs Dark Derecho (Site not responding. Last check: 2007-10-12)
		Derecho turns around and Blazer grabs him by his navy blue shirt and tosses him in the corner.
		Derecho gets back to his feet and charges in, but Blazer lifts him up and hot shots him on the top rope, springing Derecho onto his back.
		Derecho then complains to the referee that his neck is hurting him just as Blazer leaps off.
	www.angelfire.com /wrestling/Blakes/vsPrez4.html (1061 words)

	ScienceDaily Video: Derecho -- Meteorologists Describe Little-Known Giant Windstorms
		A derecho is a widespread and straight-lined windstorm that often has a band of rapidly moving thunderstorms associated with it.
		Derechos are more common in spring and early summer and occur more frequently in the Corn Belt and along the Southern Plains, but they have been reported as far north as Michigan, as far south as Florida, as far west as Texas, and as far east as Maine.
		Derecho -- A derecho is a widespread and long-lived, violent convectively induced windstorm that is associated with a fast-moving band of severe thunderstorms usually taking the form of a bow echo.
	www.sciencedaily.com /videos/2006-06-02 (2312 words)

	NWS Detroit/Pontiac -- July 16th, 1980, Derecho
		The word "derecho" may sound unfamiliar or its use in meteorology relatively recent in nature, but the word actually was brought into meteorological vernacular way back in 1888.
		Derecho is a Spanish word which can be defined as "direct" or "straight ahead" while tornado is thought by some, including Dr. Hinrichs, to have been derived from the Spanish word "tornar" which means "to turn".
		Derechos are associated with a line of showers or thunderstorms that are often "curved" in shape on radar and satellite.
	www.crh.noaa.gov /dtx/stories/1980derecho.php (1354 words)

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