1. TORNADOES: Images Of 32 Different Shapes, Sizes And Colors Pictures and information about thirytwo different shapes,sizes, and colors of tornadoes. http://www.chaseday.com/tornadoes.htm

Tornadoes - Many Are Different From What Dorothy Saw The Wedge Tornado Typical "wedge tornado" is straight on the sides not funnel shaped and has a wide damage path. It's usually as wide, or wider than it is tall. These monsters are not necessarily stronger than funnels or other shaped tornadoes, but they do cover much more ground. This particular tornado was hanging out the west side of a supercell thunderstorm in the Texas Panhandle. The vehicle in the foreground is an NSSL chase vehicle doing its job long before books and movies told about chasing storms. In those days there was little glory just long days and tiring drives home while Oklahoma City DJ's played requested songs for the returning chasers. Occasionally, there was big reward like on this day. Shortly after this photo was taken this tornado tore through a small Texas town. Residents saw it coming and were under ground, or in a safe shelter. This was the first in a series of tornadoes to strike the Texas Panhandle and western Oklahoma that day. Another Wedge Tornado With A Different Appearance This tornado lacks the typical funnel or classic tornadic appearance. Huge funnels like this one that are a mile wide are unrecognizable at close range as a tornado, but tend to appear as a boiling wall of fog approaching from out of no where since they favor a position close to the rain wall. Generally the rain stops and the tornado makes a rapid appearance. These storms are the ones that are generally blamed for "striking without warning" since some people try to observe the tornado before taking shelter. Funnels of this character are more common in the southeastern quarter of the nation.

2. Tornado this low pressure area touches the ground, it acts like a giant vacuum cleaner. Some tornadoes even occur over water. http://www.germantown.k12.il.us/html/tornado.html

Grade 7 Natural Disasters Project TORNADOES!! A tornado is a violent whirling wind, characteristically accompanied by a funnel-shaped cloud extending down from a cumulonimbus cloud. The air pressure at the bottom of the funnel of swirling air is extremely low. When this low pressure area touches the ground, it acts like a giant vacuum cleaner. Some tornadoes even occur over water. A tornado over a lake or ocean is called a waterspout. Tornadoes generally exhibit a certain characteristic cycle of behavior between formation and final disappearance. The first sign of a tornado may be a strong whirlwind of dust from the ground surface, often at the same time as a short funnel grows from the storm cloud above it. The funnel then becomes more organized and descends further from the cloud, sometimes touching the ground. Meteorologists are not sure how tornadoes form. But they do know that they are the result of great instability in the atmosphere and are often associated with sever thunderstorms or in advance of cold fronts. Weather forecasts include tornado alerts when these conditions arise. Tornadoes can occur, however, ahead of warm fronts or even behind cold fronts. The existence of a strong updraft, such as that generated by a severe thunderstorm, and the conservation of rotational momentum, are clues to how they are formed. Tornadoes occur most often in spring during the late afternoon or early evening. In the United States, they are most common on the Great Plains. In fact, tornadoes are so common that this part of the United States is often called

3. USATODAY.com - Resources: Understanding Tornadoes Covers basic tornado research and science, with the latest reports and a guide to safety. http://www.usatoday.com/weather/tornado/wtwist0.htm

Home News Money Sports ... Weather Inside Storms Storms home News briefs Watches, warnings Safety guide ... Questions answered Site Web Click here to get the Daily Briefing in your inbox 09/28/2002 - Updated 06:15 PM ET Resources: Understanding tornadoes NOAA Tornado touches down in Dimmitt, Texas, June 2, 1995, during tornado research chase. The tornado is nature's most violent wind. An average of 1,000 of these vortices spin up beneath thunderstorms year round in the USA and can generate wind speeds faster than 250 mph, at times devastating whole communities. The links below take you to detailed information about the structure, nature and detailed studies of the tornado. Read more Weather to watch Severe weather watches, warnings What's the wait for a tornado warning? Tornado safety Learn all about severe weather Understanding tornadoes Understanding thunderstorms Understanding lightning Understanding floods, droughts ... Understanding winter weather Scroll down this page for links to more information, beginning with tornado basics and including tornado climatology, chasing and science. Some of the links below are to Web sites that are not part of USATODAY.com, but which have authoritative information. A separate browser window will open for each outside page you wish to view. Tornado basics, starting with what they are how they form

4. NOAA Home Page - Weather / Tornadoes tornadoes are one of nature's most violent storms. The most violent tornadoes arecapable of tremendous destruction with wind speeds of 250 mph or more. http://www.noaa.gov/tornadoes.html

Tornadoes are one of nature's most violent storms. In an average year, about 1,000 tornadoes are reported across the United States, resulting in 80 deaths and over 1,500 injuries. A tornado is a violently rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of 250 mph or more. Damage paths can be in excess of one mile wide and 50 miles long. 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. Monthly Tornado Statistics Deadly Tornadoes in 2001 — Information about the killer tornadoes of this year. Current and Archived Storm Data Severe Storm Climatology — Where and When Do Severe Thunderstorms Occur? (Storm Animations, Total Threats, Annual Cycles) Tornado Climatology — Long-term Averages by State Are you prepared for Nature's Most Violent Storms?

5. FEMA FOR KIDS: TORNADOES ornadoes are natures most violent storms. tornadoes must always be taken seriously. tornadoes can be very dangerous sometimes even deadly. They come from powerful thunderstorms and appear as rotating, funnelshaped clouds. http://www.fema.gov/kids/tornado.htm

Maggie's Tornado Story Lindsay's Tornado Story Students' Tornado Drawings Thomas' Tornado Story ... Tornado Safe Rooms ornadoes are nature’s most violent storms. Tornadoes must always be taken seriously. Tornadoes can be very dangerous sometimes even deadly. They come from powerful thunderstorms and appear as rotating, funnel-shaped clouds. Tornado winds can reach 300 miles per hour. They cause damage when they touch down on the ground. They can damage an area one mile wide and 50 miles long. 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. The ability to predict tornadoes is limited. Usually a community will have at least a few minutes warning. The most important thing to do is TAKE SHELTER when a tornado is nearby. Important terms to know: Tornado Watch Tornadoes are possible. Stay tuned to the radio or television news. Tornado Warning A tornado has been sighted. Take shelter immediately!

6. Tornadoes... Nature's Most Violent Windstorm Although tornadoes occur in many parts of the world, these destructive forces of nature are found most frequently in the http://www.nssl.noaa.gov/NWSTornado

tornadoes... Nature's Most Violent Storms A PREPAREDNESS GUIDE Including Safety Information for Schools U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Weather Service September 1992 (NOAA, FEMA The American Red Cross This is available as a full color graphic brochure version (You need an adobe acrobat reader to view this - download a free copy now.) Many other brochures are available on various weather and weather-related topics. Tornado! Although tornadoes occur in many parts of the world, these destructive forces of nature are found most frequently in the United States east of the Rocky Mountains during the spring and summer months. In an average year, 800 tornadoes are reported nationwide, resulting in 80 deaths and over 1,500 injuries. A tornado is defined as a violently rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of 250 mph or more. Damage paths can be in excess of one mile wide and 50 miles long. Once a tornado in Broken Bow, Oklahoma, carried a motel sign 30 miles and dropped it in Arkansas! What causes tornadoes?

7. Tornadoes Information for students and teachers on the nature of tornadoes from the University of South CarolinaAiken. http://www.usca.sc.edu/AEDC442/442984001/tkng.html

Wild Weather This web page is designed to provide information to both teachers and students on one of Natures's deadly distasters: tornadoes. There are many misconceptions about tornadoes and it is our goal to clarify some of these. We hope you enjoy learning more about these beautiful vertical winds. Tornadoes "We're not in Kansas anymore, Toto". Ever since The Wizard of Oz, children have had a misconception that tornadoes have the ability to pick up a house and set it down in a magical world. While tornadoes can pick up a house, it cannot set it down in a magical setting. Tornadoes are not only in Kansas, but occurr in every state in the United States. Here is more information on Tornadoes. Tornadoes comes from the Latin word tonare, which means "to turn". They are violent, unpredictable, turning winds that descendes from a thundercloud in the shape of a funnel cloud. Tornadoes, also called twisters, are made visable by the dust that is sucked up and also from the condensation of water droplets located in the center of the funnel. The width of a tornado can range from a foot wide to a mile wide. There is little information known about the wind speed inside of a tornado. However, it has been estimated that wind speed reaches to 300 miles per hour. It is no wonder then, that it has the potential to pick up large objects, including uprooting trees and houses. Did You Know....

8. Tulsa Tornadoes - Women's Full Contact Football Womens fullcontact football team located in Tulsa, Oklahoma. An affiliation of the I.W.F.L. http://www.tulsatornadoes.com/

TORNADOES REGROUP While the Tulsa Tornadoes is not an active participant in this season's football schedule, several Tulsans are working out and contributing to other squads. Anyone interested in playing full-contact women's football can email info@tulsatornadoes.com for more information and practice schedules! Contact the Webmaster

9. Troon Tornadoes Basketball Club - Kickin Up A Storm!, Troon Tornadoes Basketball Official site of the tornadoes Scottish basketball team. http://www.troon-tornadoes.co.uk

This site has moved to a new domain name. Please wait whilst you are re-directed to the new domain. If nothing happens please click here Remember to update your bookmark.

10. FEMA: Tornado Safety Tips Brochure Tornado safety tips from the Federal Emergency Management Agency.Category Science Earth Sciences Weather Phenomena tornadoes...... Tornado Safety Tips Brochure. Read more about tornadoes at NOAA'sStorm Prediction Center. Fact Sheet tornadoes. When a tornado is http://www.fema.gov/hazards/tornadoes/tornadof.shtm

Hazards Assistance Flood Maps NPSC ... Hazards Tornado Safety Tips Brochure Search FEMA Hazards Dam Safety Earthquakes Extreme Heat ... Mitigation Division Tornado Safety Tips Brochure Read more about Tornadoes at NOAA's Storm Prediction Center Tornado Safety Tips Brochures Tornado Safe Rooms Fact Sheet: TORNADOES When a tornado is coming, you have only a short amount of time to make life-or-death decisions. Advance planning and quick response are the keys to surviving a tornado. BEFORE Conduct tornado drills each tornado season. Designate an area in the home as a shelter, and practice having everyone in the family go there in response to a tornado threat. Discuss with family members the difference between a "tornado watch" and a "tornado warning." Contact your local emergency management office or American Red Cross chapter for more information on tornadoes. Have disaster supplies on hand Flashlight and extra batteries Portable, battery-operated radio and extra batteries

11. Twister! Lists information about twisters such as what they are, how they affect the landscape, and where the Category Kids and Teens School Time Extreme Weather tornadoes...... Updated 4 MAY 1999 A swarm of huge tornadoes ripped through Oklahoma andKansas May 3 and 4, killing 43 and destroying thousands of houses. http://whyfiles.org/013tornado/

Going Around in Circles 25 APRIL 1996. To scientists who study them, twisters are the most fascinating storms on Earth. Let's say they're right ... and take a gander at the wild, whirling winds. Cimarron County, Oklahoma. Updated 4 MAY 1999 A swarm of huge tornadoes ripped through Oklahoma and Kansas May 3 and 4, killing 43 and destroying thousands of houses. As the search for survivors went on in dozens of dazed communities, Oklahoma Governor Frank Keating told CNN, "I've never heard of anything like this... The extent of devastation is unprecedented." The governor called out the National Guard. The Storm Prediction Center at Norman, Okla., said dozens of twisters touched down between Monday afternoon and Tuesday morning. The National Oceanic and Atmospheric Administration said that 45 twisters hit Oklahoma and 14 hit Kansas. At least one twister was a mile wide at times. Winds in several tornadoes were reported to exceed 207 miles per hour. Some of the worst damage occurred in Oklahoma City, where whole residential neighborhoods were wiped out. In Moore, a suburb of Oklahoma City, John Ireland told CNN, "It looks like a bomb hit here. Houses are just leveled. It looks like a battlefield." Exactly what are tornadoes (Here's a logical starting point. To continue reading, hit "more" at the bottom of each page.)

12. Twister! What are tornadoes and how do we predict them? A swarm of huge tornadoes ripped through Oklahoma and Kansas May 3 and 4, killing 43 and destroying thousands of houses. http://whyfiles.news.wisc.edu/013tornado

Going Around in Circles 25 APRIL 1996. To scientists who study them, twisters are the most fascinating storms on Earth. Let's say they're right ... and take a gander at the wild, whirling winds. Cimarron County, Oklahoma. Updated 4 MAY 1999 A swarm of huge tornadoes ripped through Oklahoma and Kansas May 3 and 4, killing 43 and destroying thousands of houses. As the search for survivors went on in dozens of dazed communities, Oklahoma Governor Frank Keating told CNN, "I've never heard of anything like this... The extent of devastation is unprecedented." The governor called out the National Guard. The Storm Prediction Center at Norman, Okla., said dozens of twisters touched down between Monday afternoon and Tuesday morning. The National Oceanic and Atmospheric Administration said that 45 twisters hit Oklahoma and 14 hit Kansas. At least one twister was a mile wide at times. Winds in several tornadoes were reported to exceed 207 miles per hour. Some of the worst damage occurred in Oklahoma City, where whole residential neighborhoods were wiped out. In Moore, a suburb of Oklahoma City, John Ireland told CNN, "It looks like a bomb hit here. Houses are just leveled. It looks like a battlefield." Exactly what are tornadoes (Here's a logical starting point. To continue reading, hit "more" at the bottom of each page.)

13. Tornado! tornadoes are produced inside powerful thunderstorms, which in turn arecreated near the junction between warm, moist air and cold, dry air. http://whyfiles.org/013tornado/tornado_main1.html

The Most Ferocious Storm As the residents of Fort Smith, Ark., try to understand why their town stood in the path of the whirlwind on April 22, scientists continue trying to make sense of the phenomenon we call a tornado. Where do these spinning winds originate? What powers them? And how can we protect ourselves? Tornadoes are produced inside powerful thunderstorms, which in turn are created near the junction between warm, moist air and cold, dry air. And that gives us a clue to the major source of their energy: the latent heat ( defined ) contained in the warm, moist air mass. Tornadoes are most common in "Tornado Alley," shown on the map, particularly in spring and summer. They're also relatively common in Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Louisiana, Mississippi, Missouri, Nebraska, Oklahoma, South Dakota, and Texas. The conditions that produce a "tornadic thunderstorm" (a storm that produces a tornado) exist when moist, warm air gets trapped beneath a stable layer of cold, dry air by an intervening layer of warm, dry air. This stratified sandwich of air is called an inversion. If the cap is disturbed by a front or disturbances in the upper atmosphere, the warm, moist air can rise and punch through the stable air that was holding it down. The warm air will start to spiral upward, as latent heat is released when the moisture it holds condenses. Aided by different winds at different levels of the atmosphere, the rotating updraft gains velocity. That, much simplified, is the origin of a tornado.

14. Tornadoes Website researched and built by the ES17 Honors class of Suffolk Community College. Includes information about formation, structure and measurement of tornadoes. Also information on other storm processes. http://www.sunysuffolk.edu/~mandias/honors/student/tornado/

Tornadoes The unpredictable and destructive nature of tornadoes, defined by The National Weather Service as "a violently rotating column of air in contact with the ground and pendant from a thunderstorm," frequently results in deadly consequences for the people and paths it crosses. It is because of its mysterious and often erratic nature that tornadoes have been widely studied and researched by scientists, leading to a better and ever growing understanding of the atmospheric conditions which give rise to the spiraling vortex known as the tornado. Introduction to ES17 Honors Website Project Formation of Thunderstorms Angular Momentum and Vortex Formation Tornado Formation within Storms ... References Links to learn more about Tornadoes Tornadoes Scientific American: Turn! Turn! Turn! Further Informational Links Suffolk County Community College Home Page Suffolk County Community College Honors Home Page Suffolk Community College Earth and Space Sciences Home Page E-mail

15. Homepage Of The Dutch Storm Chase Team Storm chasing in the Netherlands. Tips and tricks about chasing, and information about lightning, tornadoes and thunderstorms. http://www.stormchasing.nl/

Team Floris Bijlsma Herman Harperink Calendar ... Contact DUTCH STORM CHASE TEAM Home The Dutch Storm Chase Team welcomes you to this internet site! DSCT consists of two enthusiastic stormchasers, living in The Netherlands. You can read all about our adventures here - stories, photos, and general information about chasing and the severe weather environment. More questions? Feel free to ask... we are dedicated severe-weather lovers, and stormchasing is our hobby. We hope you will enjoy our site.. and see you later, maybe.... who knows where we might end up stormchasing! The Dutch Storm Chase Team View the adventures DSCT had on the great plains this spring! Click image No part of this site may be copied, redistributed or otherwise used without the explicit, written consent of DSCT. Direct questions to info@stormchasing.nl Our Sponsors: meteoplaza.com

16. Page Has Moved Although tornadoes occur in many parts of the world, these destructive forces of nature are found most frequently in the http://www.nws.noaa.gov/om/tornado.htm

Tornadoes....Nature's Most Violent Storms This URL has changed to http://www.nws.noaa.gov/om/brochures/tornado.htm . You should be automatically redirected in 5 seconds. Please make a note of the new URL and update your bookmark.

17. Recent Tornadoes This page lists and describes both US and worldwide tornadoes thathave taken place in this year. pages. US Killer tornadoes of 2003. http://www.tornadoproject.com/recent/recentts.htm

What follows is a listing, with short descriptions, of the killer tornadoes that have occurred this year, along with anecdotal accounts of several others. New tornado activity will be added at the top, but within an outbreak, the tornadoes are listed in chronological order. Killer tornadoes that have occurred in other places are listed under their own category. The US killer tornadoes in past years since 1995 and any photos and stories associated with them are now on the Past Tornadoes pages US Killer Tornadoes of 2003 For a listing of the tornadoes that have touched down in the past 24 hours, check the SPC site daily. It lists tornadoes of every size and strength. For a listing of areas that are currently under a tornado watch, check this site. It is "refreshed" every 60 seconds, so it is very current. March 27, 2003 A line of thunderstorms spawned about a half dozen small tornadoes in south Florida. One of them did about $13 million in F1 and F2 damage to homes in the Liberty City area north of Miami. One person was killed, and about a dozen others had minor injuries. March 18-20, 2003

18. Observation Weather Techniques, Australian Severe Weather. Educational Online Bo Weather Observation Techniques by Australia Severe Weather. Educational online instuctions how to observer the weather, various storm and cloud types, and their development. http://www.australiasevereweather.com/techniques/index.html

Observation Techniques Information Before you begin please read this message Table of contents Main introduction Introduction to simple observation techniques Observing clouds Observing cloud movement ... Glossary of terms Michael Thompson's 80 pages of climate information in Australia is a good guide to the Australian climate which will supplement this section on observations. Please send comments or ideas to the author and editor: Jimmy Deguara Document: index.html Updated: 13th September, 2002 Australian Severe Weather index Email Contacts Search This Site

19. Tornado Fast Facts The most violent tornadoes are capable of tremendous destructionwith wind speeds of 250 mph or more. Q. How do tornadoes form? http://www.noaa.gov/tornadofaqs.html

Q. What is a tornado? A. A tornado is defined as a violently rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of 250 mph or more. Damage paths can be in excess of one mile wide and 50 miles long. In an average year, 800 tornadoes are reported nationwide. Q. How do tornadoes form? A. Before thunderstorms develop, a change in wind direction and an increase in wind speed with increasing height creates an invisible, horizontal spinning effect in the lower atmosphere. Rising air within the thunderstorm updraft tilts the rotating air from horizontal to vertical. An area of rotation, 2-6 miles wide, now extends through much of the storm. Most strong and violent tornadoes form within this area of strong rotation. Q. Are there different kinds of tornadoes? A. Some tornadoes may form during the early stages of rapidly developing thunderstorms. This type or tornado is most common along the front range of the Rocky Mountains, the Plains and the western states. Tornadoes may appear nearly transparent until dust and debris are picked up. Occasionally, two or more tornadoes may occur at the same time. Waterspouts are weak tornadoes that form over warm water. Waterspouts are most common along the Gulf Coast and southeastern states. In the western United States, they occur with cold late-fall or late-winter storms, during a time when you least expect tornado development. Waterspouts occasionally move inland, becoming tornadoes causing damage and injuries.

20. Weird Weather Records anecdotal stories about hurricanes, fires, extreme temperatures, tornadoes, flooding, droughts and other weather related phenomena. http://gardenearth.com/weirdwea.html

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