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Topic: Tornado watch

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	Tornado Warning
		The exact mechanisms that cause a tornado to form are still not fully understood, but the funnels are always associated with violent motions in the atmosphere, including strong updrafts and the passage of fronts.
		Damage to property hit by a tornado results both from these winds and from the extremely reduced pressure in the center of the funnel, which causes structures to explode when they are not sufficiently ventilated to adjust rapidly to the pressure difference.
		Tornadoes are most common and strongest in temperate latitudes, and in the U.S. they tend to form most frequently in the early spring; the tornado season shifts toward later months with increasing latitude.
	www.itlnet.net /Tornado (456 words)

	Tornado Preparedness and Response
		For example, a severe thunderstorm watch means that a severe thunderstorm is expected in the next six hours or so within an area approximately 120 to 150 miles wide and 300 to 400 miles long (36,000 to 60,000 square miles).
		Tornadoes are associated with a powerful updraft, so rain does not fall in or next to a tornado.
		Air pressure differences in a tornado are not strong enough to cause a house to explode; houses are damaged by the violent winds associated with a tornado and from the debris blown at high velocities by tornado winds.
	www.disastercenter.com /guide/tornado.html (3736 words)

	American Red Cross- Tornado
		Tornadoes have been reported in every state, and though they generally occur during spring and summer, they can happen any time of the year.
		A tornado is a violently rotating column of air extending from a thunderstorm to the ground.
		Tornadoes may occur near the trailing edge of a thunderstorm and be quite visible.
	www.redcross.org /services/disaster/keepsafe/tornado.html (3784 words)

	NWS Norman, Oklahoma - Weather Glossary for Storm Spotters
		Tornado and severe thunderstorm warnings typically are issued for periods of an hour or less, flash flood warnings typically for three hours or less.
		A condensation funnel does not need to reach to the ground for a tornado to be present; a debris cloud beneath a thunderstorm is all that is needed to confirm the presence of a tornado, even in the total absence of a condensation funnel.
		Wedge (or Wedge Tornado) - [Slang], a large tornado with a condensation funnel that is at least as wide (horizontally) at the ground as it is tall (vertically) from the ground to cloud base.
	www.srh.noaa.gov /oun/severewx/glossary4.php (4096 words)

	Tornado Safety Rules in Schools
		During a tornado Watch, specific teachers or other school staff members should be designated to monitor commercial radio or TV for tornado Warnings, even if the school has a NOAA Weather Radio tone-alert system.
		Tornadoes are often obscured by precipitation or darkness.
		If you see or hear the tornado coming, do not wait for the Warning Signal--go to your shelter area if there is time, it not, curl up on the floor and protect yourself as the boy in the picture is doing.
	ideanet.doe.state.in.us /safety/tornado.html (731 words)

	Tornado Safety
		The chances that a tornado will strike a building that you are in are very small, however, and you can greatly reduce the chance of injury by doing a few simple things.
		If a tornado "warning" is issued, it means that a tornado has actually been spotted, or is strongly indicated on radar, and it is time to go to a safe shelter immediately.
		A family in the April 8th, 1998 tornado in the Birmingham, Alabama area survived because a hutch toppled and was held up by the dining room table they were under.
	www.tornadoproject.com /safety/safety.htm (2200 words)

	tornadoes... Nature's most violent windstorm (Site not responding. Last check: 2007-10-09)
		A tornado is defined as a violently rotating column of air extending from a thunderstorm to the ground.
		Tornadoes in the winter and early spring are often associated with strong, frontal systems that form in the Central States and move east.
		Tornadoes are most common to the right and ahead of the path of the storm center as it comes onshore.
	www.nssl.noaa.gov /NWSTornado (2305 words)

	The Online Tornado FAQ (by Roger Edwards, SPC) (Site not responding. Last check: 2007-10-09)
		Tornadoes were, for most, dark and mysterious menaces of unfathomable power, fast-striking monsters from the sky capable of sudden and unpredictable acts of death and devastation.
		This is storm-chaser slang for a non-supercell tornado.
		Tornado photogrammetry is the use of film or video to determine the speed of movement of some kind of tracer: usually a large piece of debris or a persistent cloud element.
	www.spc.noaa.gov /faq/tornado (14015 words)

	3. Interactive twister
		Tornado width is estimated by the path of destruction -- which can be up to one mile wide).
		A tornado that's 500 meters in diameter looks a lot more ominous than the average twister, which is "only" 150 meters across.
		But tornado size is not related to wind speed, or to damage intensity.
	whyfiles.org /013tornado/3.html (218 words)

	WOWT \| Tornado Watch (Site not responding. Last check: 2007-10-09)
		Tornadoes, hail to 2.5 inches in diameter, thunderstorm wind gusts to 70 mph and dangerous lightning are possible in these areas.
		The tornado watch area is along and 60 statute miles east and west
		A tornado watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area.
	www.wowt.com /news/headlines/508717.html (120 words)

	FEMA: Tornado Safety Tips Brochure (Site not responding. Last check: 2007-10-09)
		In case family members are separated from one another during a tornado (a real possibility during the day when adults are at work and children are at school), have a plan for getting back together.
		When a tornado warning is issued, take shelter in a building with a strong foundation.If shelter is not available, lie in ditch or low-lying area a safe distance away from the unit.
		Tornadoes generally occur near the trailing edge of a thunderstorm.
	www.fema.gov /hazards/tornadoes/tornadof.shtm (959 words)

	Tornadoes
		Florida tornado climatology shows us that strong to violent tornadoes are just as likely to occur after midnight as they are in the afternoon.
		Tornado Watch - Issued to alert the public that conditions are favorable for the development of tornadoes in and close to the watch area.
		Tornado Warning - Issued by local NWS offices to warn the public that a tornado has been sighted by storm spotters or has been indicated by radar.
	www.floridadisaster.org /bpr/EMTOOLS/Severe/tornadoes.htm (511 words)

	Tornado Information & Safety (Site not responding. Last check: 2007-10-09)
		The average Michigan tornado is on the ground for less than 10 minutes and travels a distance of about five miles.
		Tornadoes are most likely to occur between 3:00-9:00 p.m., but have been known to occur at all hours of the day or night.
		Watches are usually for areas about two-thirds the size of lower Michigan and are two to six hours long.
	www.co.oakland.mi.us /ems/info_pub/tornado_info.html (669 words)

	National Oceanic and Atmospheric Administration (NOAA) - Outlook - Tornadoes - Fast Facts About Tornadoes (Site not responding. Last check: 2007-10-09)
		While these two tornadoes received the greatest attention, they were just two of a rare and significant outbreak of violent tornadoes.
		In the southern states, peak tornado occurrence is in March through May, while peak months in the northern states are during the summer.
		If a tornado warning is issued for your area and the sky becomes threatening, move to your pre- designated place of safety.
	www.outlook.noaa.gov /tornadoes/tornfact.htm (947 words)

	5. A safe house is a strong house
		Tornado watch : Issued by the National Weather Service when weather conditions are ripe for tornadoes.
		Since tornado prediction is an inexact science, you may get little warning of an actual funnel cloud.
		Even in tornado alley, a twister hits a given square mile only once every 700 years, Wolfe adds, "It's not economically feasible to build a house to resist that kind of wind.
	whyfiles.org /013tornado/5.html (858 words)

	NOAA Home Page - Tornadoes (Site not responding. Last check: 2007-10-09)
		Tornadoes come in all shapes and sizes and can occur anywhere in the U.S. at any time of the year.
		In the southern states, peak tornado season is March through May, while peak months in the northern states are during the summer.
		The April 3-4, 1974 Super Outbreak was the largest known outbreak of tornadoes, with 148 tornadoes in 11 states.
	www.noaa.gov /tornadoes.html (563 words)

	Colorado Tornado July 21st 2000 Riverside Reservoir
		Tornado Tim while driving home towards Greeley Colorado using only his trained eyes noticed this storm and its potential.
		Scientists studying the tornadoes in Oklahoma on May 3, 1999 measured wind speeds of 318 miles per hour, the highest ever documented on Earth.
		Watch the life cycle of a tornado as it forms.
	www.tornadochaser.net /july21.html (292 words)

	Tornado Warning Online! (Site not responding. Last check: 2007-10-09)
		A tornado is often located at the edge of an updraft, next to air coming down from the thunderstorm with falling rain or hail.
		A monster tornado that hit Plainfield, Ill., on Aug. 28, 1990, lifted a 20-ton trailer from a tractor-trailer rig on U.S. Highway 30 and bounced it five times before it stopped in a field 1,150 feet from the highway.
		Not all tornadoes come from supercells, but the strongest twisters usually have a supercell as a their parent.
	utvols.8m.com (947 words)

	American Red Cross
		A tornado WATCH means a tornado is possible in your area.
		A tornado WARNING means a tornado has been sighted and may be headed for your area.
		Tornado WATCHES and WARNINGS are issued by county or parish.
	www.redcross.org /services/disaster/0,1082,0_591_,00.html (519 words)

	FEMA For Kids: Disaster Connection - Kids to Kids
		Tornadoes can be very dangerous -- sometimes even deadly.
		Every state is at some risk, but states in "Tornado Alley" have the highest risk.
		Tornadoes can form any time of the year, but the season runs from March to August.
	www.fema.gov /kids/tornado.htm (141 words)

	Tornado Severe Weather, Safety, Current Probabilities, Statistics, Skywarn, Facts, Reports
		A tornado is a violently rotating column of air in contact with the ground.
		A Tornado Watch -- indicates the tornadoes and severe weather are possible.
		After studying houses damaged by high winds and tornadoes it has been found that often a small interior room, such as a closet or bathroom, remains intact after the house is destroyed.
	www.disastercenter.com /tornado.htm (700 words)

	Amazon.com: Tornado Watch Number 211 (Tornado Watch): Books (Site not responding. Last check: 2007-10-09)
		If you are a severe storm and/or tornado buff, or just want to learn more about this particular tornado outbreak, this book is for you.
		It is a gripping tale of small town America against the unforseen fury of one of the largest tornado outbreaks in the world.
		TORNADO WATCH #211, By John Grant Fuller A Review By Mike Colclough On May 31, 1985, a whirling melee of cloud and debris descended upon several unsuspecting towns along the countryside of the Ohio/Pennsylvania border.
	www.amazon.com /exec/obidos/tg/detail/-/0688065902?v=glance (989 words)

	Tornado!--Weather lesson plan (grades 6-8)--DiscoverySchool.com (Site not responding. Last check: 2007-10-09)
		Assume the tornado is moving at 60 mph and is on the ground for six minutes.
		They should assume the funnel of the tornado is 1/8 mile across, the tornado is moving at 60 miles per hour, and it is on the ground for six minutes.
		During the day, 33 tornadoes were reported as supercells erupted and moved across the state during the afternoon and evening hours.
	school.discovery.com /lessonplans/programs/ragingplanet-tornado (1413 words)

	Tornado Watch - Reviews on RateItAll (Site not responding. Last check: 2007-10-09)
		If you get a watch, start taking caution because it means that the storms could be so powerful that they can produce tornadoes.
		A tornado watch simply means that the potential for severe weather exists.
		Whenever the NWS issues a tornado watch for my area, I activate my weather radio (if its not already activated, I typically activate it if the Storms Prediction Center out of Norman Oklahoma has issued a risk of severe weather for our area).
	www.rateitall.com /i-52393-tornado-watch.aspx (314 words)

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