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 Huddle and Fear under a overpass near Newcastle, - an image during a an Oklahoma Tornado, May 3,1999 

PBS NOVA special program on  March 30, 2004 Hunting for the Super Twister 
Tornado-chasing scientists risk their lives to plumb the secrets of nature's most terrifying killer.
Airing times for PPTV Channel 3: Mar 30, 7:00PM, repeated at Apr 1, 1:00AM

NASA Image of the top of a Tornado

Tornadoes Spawn near Deshler, Nebraska - June 22, 2003 - with their characteristic “anvil clouds”

 May 2003 - The Record Month 

See the real path and the real damage in Moore, Oklahoma - from a satellite image of Natural Hazardsl

CNN – the story of the May 2003 tornadoes

Very good resources to read online the news stories, prepare discussions, compare with our ‘Flood of the Century’ in terms of community / social studies.

May 4, 2003

1. http://www.cnn.com/2003/WEATHER/05/04/tornadoes/index.html

2. http://www.cnn.com/2003/WEATHER/05/05/tornadoes.northmoor.ap/index.html

May 5, 2003

1. http://www.cnn.com/2003/WEATHER/05/05/tornadoes/index.html

Weather May 6, 2003

1. http://edition.cnn.com/2003/WEATHER/05/06/tornadoes/index.html

NOAA current Tornado watches http://www.nws.noaa.gov/

NOAA Weather Radio http://www.nws.noaa.gov/nwr

National Climatic Data Center for Tornadoes

1. http://lwf.ncdc.noaa.gov/oa/climate/severeweather/tornadoes.html

2. http://lwf.ncdc.noaa.gov/oa/climate/severeweather/tornadoes.html

3. http://lwf.ncdc.noaa.gov/oa/ncdc.html

4. Storm Prediction Center - Norma, Okla.

5. Watches

6. NOAA News May 4

7. NOAA National Weather Service

8. Radar Reflectivity map

9. Convective Outlooks

10. Kansas City – NOAA

 Tennessee, November 11, 2002 

CNN News

Communities Clean up after deadly storm 2002 11 12

Mossy Grove, Tennessee 'is still here' 2002 11 11

More on Carbon Hill 2002 11 11

Severe storms batter Ohio, Indiana 2002 11 10

Residents clean up after killer storms  2002 11 11

'It's just gone' 2002 11 11

Evacuation spares theatergoers from deadly tornado 2002 11 11

Maryland, April 29, 2002 - Category F5 (downgraded to F4) Tornado

Nashville, Tennessee, April 17, 1998

Tornado  Web  Sites

National Geographic Tornadoes

PBS  FUNNELS OF FURY  using Flash player, links include  FORMATION, TORNADO ALLEY
and MEASURING TORNADOES. A good introduction for beginners.

Tornado Project
Tornado Project - main page

1. Tornado Oddities
2. 5 Tornado Myths
3. The Fujita Scale
4. World Wide tornadoes
5. Favorite Web Sites

TORRO Tornado and Storm Research U.K.

1. TORRO - home page
2. TORRO Tornado Intensity Scale
3. Severe Weather Forecasts & Reports Around The World

SPC  Norman, Oklahoma

1. Storm Prediction Center Home Page
2. Warning Display
3. Cool Images
4. Jarrell TX F5 Tornado (27 May 97)
5. The North Carolina Tornadocane
6. Deadly Tornadoes in 2001
7. SPC Archive - Tornadoes
8. The Online Tornado FAQ
9. FAQ index
10. Tornado Safety
11. FAQ What is the F-Scale?
12. Answer This scale was the result  is a
13. F5 tornadoes since 1950
14. deadliest U.S. tornadoes
15. tornadoes hitting major downtowns
16. websites devoted to historical tornadoes

Oklahoma City NEXRAD - Base Reflectivity

National Severe Storms Laboratory
Climatological risk of strong and violent tornadoes in the United States

Tornadoes in the Oklahoma City, Oklahoma Area Since 1890

NWS - NOAA Tornadoes...  Nature's Most Violent Storms
NWS - NOAA Tornado

October 9, 2001, Tornado Event follow the links to the Photographs and a  Situation Report #1 and the NWS Public Information Statement

Oklahoma Weather Roundup

NOAA Weather Service, Norman, Oklahoma

National Climatic Data Center

Disaster Relief Links Volcano - http://www.disasterrelief.org/Links/

FEMA Fact sheet Alpha Listing  Tornadoes Fact Sheets

Fujita - Pearson Tornado Scale
http://www.oklahoman.com/cgi-bin/shart?ID=313380&TP=getarticle

Safety Tips 
http://www.oklahoman.com/cgi-bin/shart?ID=313386&TP=getarticle

Ten Worst 
http://www.oklahoman.com/cgi-bin/shart?ID=313383&TP=getarticle

Nexradar 
http://www.intellicast.com/weather/okc/nexrad/

Velocity Radar 
http://www.intellicast.com/weather/okc/nexrad2/

Tornado Info NWS
http://www.nws.noaa.gov/om/tornado.htm

Tornado NWS
http://iwin.nws.noaa.gov/iwin/ok/tornado.html

Thunderstorm Watches NWS
http://iwin.nws.noaa.gov/iwin/ok/thunderstorm.html

Tornado Watches NWS
http://iwin.nws.noaa.gov/iwin/ok/watches.html

FEMA Fact Sheet Tornadoes 
http://www.fema.gov/library/tornadof.htm

TORRO UK site for information on Europe

Tornado Alley   UTexas

CNN  Resources

CNN -
Tornadoes (2005 special page)
Tornadoes (2004) Twister Science, Danger Zone, Gallery for 2003, 10 worst ones.

CNN main story
http://www.cnn.com/WEATHER/9905/05/tornado.alley/#1

First Doppler
http://www.cnn.com/WEATHER/9905/05/tornado.alley/link.doppler.radar.jpg

First Nexradar
http://www.cnn.com/WEATHER/9905/05/tornado.alley/link.nexrad.jpg

Tornado Alley
http://www.cnn.com/WEATHER/9905/05/tornado.alley/link.tornado.alley.ap.jpg

Norman Storm Prediction Centre
http://www.cnn.com/WEATHER/9905/05/tornado.alley/oklahoma.norman.lg.jpg

CBC TV Forces of Nature - Tornadoes   and view CBC's web page Canada's Most destructive tornadoes.

CBC web page for July 2005 on the Manitoba Tornadoes. and the July 4, 2005 news story

PBS  Hunt for Super Twister - Main Page  from the 2004 broadcast.  Details development of th science of forecasting and rating damage.   
The narrative at Tornado Country - NOVA  looks at his question: "How is that with nearly 200 nations in the world, just one—the United States—gets up to three quarters of all tornadoes?"
Killer Storms gives a narrative of the series of Tornadoes in early May, 1999 ( pictured above)