21. Showers Drench California, Thunderstorms Rattle South CNN http://cnn.com/2003/WEATHER/05/03/weatherpage.pm.ap/index.html

22. After All These Years FL thunderstorms FL moved- http//www.precious-dreams.net/tstorms http://www.sleepyness.net/tstorms

Thunderstorms FL - moved- http://www.precious-dreams.net/tstorms

23. American Red Cross- Thunderstorms Why Talk About Severe thunderstorms? Despite their small size, all thunderstorms are dangerous. Heavy rain from thunderstorms can lead to flash flooding. http://www.redcross.org/services/disaster/keepsafe/thunder.html

Disaster Services Disaster Safety Interactive Map Chemical ... Winter Storms Find Your Local Red Cross Enter Zip Code Here: Search Our Site Find Out Who Our Supporters Are Home Services ... Disaster Safety Severe Thunderstorm Severe Thunderstorm (PDF File) Why Talk About Severe Thunderstorms? What Are Severe Thunderstorms, and What Causes Them Awareness Information ... What to Do if Someone Is Struck by Lightning Why Talk About Severe Thunderstorms? Despite their small size, all thunderstorms are dangerous. Every thunderstorm produces lightning, which kills more people each year than tornadoes. Heavy rain from thunderstorms can lead to flash flooding. Strong winds, hail, and tornadoes are also dangers associated with some thunderstorms. Thunderstorms affect relatively small areas when compared with hurricanes and winter storms. The typical thunderstorm is 15 miles in diameter and lasts an average of 20 to 30 minutes. Of the estimated 100,000 thunderstorms that occur each year in the United States, only about 10 percent are classified as severe. All thunderstorms are dangerous. Every thunderstorm produces lightning, which kills more people each year than tornadoes. Heavy rain from thunderstorms can lead to flash flooding.

24. Thunderstorms Over Gulf Coast CNN http://cnn.com/2003/WEATHER/07/03/weatherpage.weather.ap/index.html

25. After All These Years FL thunderstorms FL moved-. http//www.precious-dreams.net/tstorms. http://sleepyness.net/tstorms/

Thunderstorms FL - moved- http://www.precious-dreams.net/tstorms

26. Showers And Thunderstorms Stretch From Gulf Coast To New England CNN http://cnn.com/2002/WEATHER/04/01/weatherpage.ap/index.html

27. Thunderstorms Push Into Southeast CNN http://cnn.com/2001/WEATHER/04/03/bc.weatherpageweather.ap/index.html

28. What Are Thunderstorms?, City And County Of Honolulu Oahu Civil Defense Agency. WHAT ARE thunderstorms? thunderstorms, generated by temperature imbalances in the atmosphere, are a violent example of convection. http://www.co.honolulu.hi.us/ocda/thunder1.htm

Search: You are here: Main Civil Defense What Are Thunderstorms? Oahu Civil Defense Agency WHAT ARE THUNDERSTORMS? Thunderstorms, generated by temperature imbalances in the atmosphere, are a violent example of convection. Warming of the air near the earth's surface and/or cooling of the air above puts warmer, lighter air layers below colder, denser layers. The resulting instability causes convective overturning of the layers, with heavier, denser layers sinking to the bottom and the lighter warmer air rising rapidly. Mechanical processes are also at work. Warm, buoyant air may be forced upward by the wedge-like undercutting of a cold air mass or by flowing up a mountain slope. Winds blowing into the center of a low-pressure area may force warm air near that center upward. In the first stage of thuderstorm development, an updraft carries warm air to a level where the air becomes saturated with moisture and visible droplets appear as a cloud begins to form. Continued upward movement produces large clouds resembling rising mounds, domes, or towers, known as cumulus clouds. Strong winds above the developing clouds may further enhance the updraft or convection. As the cloud forms, water vapor changes to liquid and/or frozen cloud particles. This results in a release of latent heat that takes over as the principal source of energy for the developing cloud. Once the cloud starts to form by other forces, this release of heat helps keep it growing.

29. 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

30. Severe Storms: Online Meteorology Guide Sections Last Update05/15/99, Dangers of thunderstorms Includes lightning, floods, hail, winds and tornadoes. Types of thunderstorms http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/svr/home.rxml

Graphic developed by: Dan Bramer The Severe Storms Module is a combination of two elements. The first is the NOAA Severe Storms Spotters Guide. The second is a section recently added to discuss the efforts and results of modeling severe storms. The Severe Storms Spotters Guide contains supplemental instructional resources and a program designed to familiarize meteorologists and advanced severe storm spotters with the basic "building blocks" of convective storm structure. The focus of the training series is the development of a thunderstorm "spectrum" and a discussion of the physical characteristics and severe weather potential of the various storm types in the spectrum. Sections Last Update:05/15/99 Dangers of Thunderstorms Includes: lightning, floods, hail, winds and tornadoes. Types of Thunderstorms Single cells, multicell clusters, multicell lines (squall lines) and supercells. Components of Thunderstorms Updrafts and downdrafts, outflow phenomena, wall clouds and the effects of wind shear on thunderstorm development. Tornadoes Tornadoes, cyclic storms and low-level flow fields associated with tornadic thunderstorms.

31. Thunderstorms In The Southern Plains; Snow In Parts Of The West CNN http://cnn.com/2004/WEATHER/04/10/weatherpage.am.ap/index.html

32. Types Of Thunderstorms: Single Cell, Multicell Clusters, Multicell Lines And Sup . Types of thunderstorms. single cell, multicell clusters, multicell lines and supercells. The array of thunderstorms within the spectrum http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/svr/type/home.rxml

Types of Thunderstorms single cell, multicell clusters, multicell lines and supercells The array of thunderstorms within the spectrum reflects our current scientific understanding. Thus, while the spectrum is very useful, it is neither perfect nor a final solution. Nevertheless, arrangement of storms within the spectrum is dependent on updraft strength, here represented by different colors; relative frequencies of these updraft strength categories, as indicated by differing lengths on the upper bar graph; and relative threats of the updraft categories, here represented by the lengths on the bottom bar graph. Thus, while a "strong" updraft is less common than a "weak" updraft, the relative threat to life and property is greater with the "strong" updraft storm. Similarly, "intense" updraft storms are quite rare but inflict a disproportionate amount of damage and personal injury. The breakdown into single cell , multicell, and supercell covers the major storm types within the spectrum. One "cell" denotes one updraft/downdraft couplet. Thus, there are several updrafts and downdrafts in close proximity with a multicell storm. Multicell storms can be broken down further into the categories of multicell line and multicell cluster storms. The "intense" updraft storm is almost invariably the

33. Thunderstorms Rumble Across Parts Of U.S. CNN http://cnn.com/2002/WEATHER/05/01/weatherpage.am.ap/index.html

34. Red Sprites And Blue Jets Newly documented optical phenomena occurring above thunderstorms are described here, along with images and movies. This site includes a page to report your own observations of sprites and jets. A Bibliography is included. http://elf.gi.alaska.edu/

Red Sprites and Blue Jets This is primarily a description of the Univ. Alaska research into middle and upper atmospheric optical and electrical phenomena. I have recently (May 12, 2004) begun to update the descriptions on this web page. Please email me with any corrections, additions, or suggestions Introduction Characteristics of Red Sprites Characteristics of Blue Jets Why Haven't Sprites and Jets Been Reported Before? ... Sprite Bibliography (~200 kbytes) (BiBTeX format here 1998 Fall AGU Bibliography (BiBTeX format here 1999 Fall AGU Bibliography (BiBTeX format here (incomplete) Related Topics Report Observations Introduction Red sprites and blue jets are upper atmospheric optical phenomena associated with thunderstorms that have only recently been documented using low light level television technology. The first images of a sprite were accidently obtained in 1989 (Franz et al. , 1990). Beginning in 1990, about twenty images have been obtained from the space shuttle (Vaughan et al. , 1992; Boeck et al. Since then, video sequences of well over a thousand sprites have been captured. These include measurements from the ground ( Lyons, 1994; Winckler, 1995) and from aircraft (Sentman and Wescott, 1993;

35. ..Thunderstorms.. http://www.precious-dreams.net/tstorms/

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36. Thunderstorms Leave Thousands Without Power In Massachusetts CNN http://cnn.com/2001/WEATHER/07/01/mass.storms.ap/index.html

37. Tornadoes & Thunderstorms thunderstorms Tornadoes Hurricanes Blizzards Winter Weather Clouds. Predict the weather! http://www.ucar.edu/educ_outreach/webweather/thunderhome.html

[Hurricanes] [Clouds] [Predict the weather! [Hurricanes] [Clouds] [Predict the weather!

38. Thunderstorms Expected Across Great Lakes, Rockies, Pacific Northwest CNN http://cnn.com/2002/WEATHER/07/08/weatherpage.am.ap/index.html

39. Tornadoes & Thunderstorms Xenia s Killer Tornado!! It was 1974. Richard Nixon was still president. Kidnapped heiress Patty Hearst was still missing. In Xenia http://www.ucar.edu/educ_outreach/webweather/xenia.html

Xenia's Killer Tornado!! In all, 33 people died in Xenia's tornado, the deadliest of 148 storms that raged through 13 states during the infamous "Super Outbreak'' of tornadoes April 3-4, 1974. In 16 hours and 10 minutes, 330 people were killed and nearly 5,550 were injured from Illinois to Georgia. Though the Xenia death toll has been matched by other killer storms, the degree of devastation makes the city's tornado among U.S. history's most destructive. The storm still is studied in colleges by aspiring meteorologists, a textbook case of a rare Category F-5, the most intense of tornadoes. Read one young boy's account of the deadly Xenia tornado. Massive F5 tornado rips across Xenia, Ohio on, April 3rd, 1974. (Photo by Fred Stewart, courtesy NOAA) Back to Thunderstorms and Tornadoes! [Hurricanes] [Clouds] [Predict the Weather!]

40. CNN.com - Showers And Thunderstorms In Much Of The Nation - May 19, 2000 CNN http://cnn.com/2000/WEATHER/05/19/weather.page.02.ap/index.html

weather CNN Sites CNN CNNfn CNNSI myCNN AllPolitics Languages myCNN Video Audio Headline News Brief ... Feedback CNN Sites CNN CNN Europe CNNfn CNNSI myCNN CNNfyi AllPolitics Languages Search CNN.com CNNSI.com CNNfn.com The Web WEATHER TOP STORIES MORE TOP STORIES More than 11,000 killed in India quake Israelis, Palestinians make final push before Israeli election Davos protesters face tear gas MORE ... MORE MARKETS 4:30pm ET, 4/16 DJIA NAS SPORTS Jordan says farewell for the third time ... LOCAL EDITIONS: CNN.com Europe change default edition MULTIMEDIA: video video archive audio multimedia showcase ... more services E-MAIL: Subscribe to one of our news e-mail lists Enter your address: DISCUSSION: chat feedback CNN WEB SITES: CNNfyi.com CNN.com Europe AsiaNow Spanish ... Korean Headlines TIME INC. SITES: Go To ... Time.com People Money Fortune EW CNN NETWORKS: CNN anchors transcripts Turner distribution SITE INFO: help contents search ad info ... jobs WEB SERVICES: Showers and thunderstorms in much of the nation May 19, 2000 Web posted at: 8:22 PM EDT (0022 GMT) (AP) Showers and thunderstorms continued Friday from southern New England south into the Tennessee and Mississippi valleys and Texas. Conditions were fair but skies were cloudy elsewhere. Thunderstorms were strong in western and central Texas, as well as northern Louisiana. Flooding was reported in Cass County, Texas, forcing the closure of roads. Wind damage was reported in Caddo County, Louisiana.

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