81. Thunderstorms Australian Thunderstorm Weather Educational Online Book Severe Hai Australia Observation Weather Educational online book sunsets sunrises clouds thunderstorms tornadoes bush fires wild fires precipitation rain snow hailstorms. http://australiasevereweather.com/techniques/

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

82. Thunderstorms In Plains, Sunny On Coasts CNN http://cnn.com/2004/WEATHER/04/09/weatherpage.fri.am.ap/index.html

83. Supercell Storms Thunderstorms Observation Technqiues Back to introduction to more advanced techniques Observing thunderstorms. Observing thunderstorms Identification Features. Identifying http://australiasevereweather.com/techniques/moreadv/storms.htm

Back to introduction to more advanced techniques Observing thunderstorms Observing Thunderstorms: Identification Features Observing typical cloud types associated with thunderstorms as they approach Observing features of thunderstorms Observing features of thunderstorms from the south ... Supercell thunderstorms Most people are able to recognise thunderstorms from their typical characteristics of lightning and thunder. Thunderstorms are not 'objects' that move. They are 'atmospheric processing machines' consisting of updraughts which feed moisture and energy into the thunderstorm and downdraughts which emit the excess air back out of the thunderstorm. Inside the thunderstorm, the air flows and condenses under the appropriate conditions and rainfall as well as other forms of precipitation such as hail may be produced. Observing Thunderstorms: Identification Features Identifying thunderstorms from observations in clear conditions is usually very easy. Thunderstorms are relatively large systems compared to other clouds. They contain a wispy white top projected forward into the line of direction of the winds and is called the anvil. Anvils resemble the features common to cirrostratus and cirrus. The tops of thunderstorms are also bright to brilliant white but are flattened and protrude outwards mainly along the anvil. The main section or body of cumulonimbus is the thickest section and exhibit bulging cumuliform features typical of tops of cumulus just like the shape of a cauliflower.

84. Thunderstorms Stalk The Great Lakes, Ohio Valley CNN http://cnn.com/2002/WEATHER/05/16/weatherpage.am.ap/index.html

85. CNN.com - Record Cold Follows Thunderstorms - July 2, 2001 CNN http://cnn.com/2001/WEATHER/07/02/storm.damage.ap/index.html

MAIN PAGE WORLD U.S. WEATHER ... ABOUT US CNN TV what's on show transcripts CNN Headline News CNN International ... askCNN EDITIONS CNN.com Asia CNN.com Europe set your edition Languages Time, Inc. Time.com People Fortune EW Record cold follows thunderstorms Satellite image at 10:32 a.m. EDT (AP) Temperatures dropped to record lows Monday from Iowa to New Jersey as cold air pushed southward behind a cold front that set off swarms of damaging thunderstorms. Thousands of customers lost electrical service on Sunday as the storms swept southward along a line that curved from the Plains to New England. Farther south, a separate area of stormy weather gave the Dallas-Fort Worth area nearly 4 inches of rain, a record for July 1. Dozens of residents were evacuated from apartments and numerous motorists were stranded when their cars stalled in flooded streets. After days of summer heat and humidity, thermometers measured record lows in the 30s and 40s Monday across parts of Iowa, Wisconsin, Michigan, Illinois, Indiana, New York and New Jersey. In Michigan, Muskegon had its coldest July morning on record at 39 degrees, and South Bend, Indiana, had a July record of 42, the National Weather Service said. Lansing, Michigan, hit 38, toppling a record that had stood since 1895.

86. 650 Thunderstorm Links http//www.solarviews.com/cap/earth/brazil.htm Privacy Statement thunderstorms, Brazil Target Name Earth Spacecraft Space ShuttleProduced by LPI/NASA Cross http://www.mysteries-megasite.com/main/bigsearch/thunderstorms.html

Thunderstorm Links Go to Frames! Break Out of Frames Read Some Testimonials From the Herbal Healer Academy! http://www.herbalhealer.com The Herbal Healer Academy is endorsed by Mysteries-Megasite.com as a leader in Health Care products, Herbs and natural remedies. Also they have an extremely comprehensive selection of herbs in their catalog. We have TESTED some of these products and find them to be first rate, gentle and very effective. Check out their newsletter, and products catalog. Seva Chakra Award - 20 Years Experience Credentials American Naturopathic Medical Board Certified and Accredited Hit CTRL+D to Bookmark this page! Search Mystery Links Home Page-Site Guide Complete A-Z Subject Guide 1000 Freeware Links ... http://www.solarviews.com/cap/earth/brazil.htm Privacy Statement Thunderstorms, Brazil Target Name: Earth Spacecraft: Space ShuttleProduced by: LPI/NASA Cross Reference: 11-41-2343 The document Clouds From Space contains additional information related to thisimage. NameTypeWidth x HeightSize brazil.gifGIF633 x 442217K These... http://www.geocities.com/CapeCanaveral/Lab/2430/thunder.html

87. Thunderstorms Soak Much Of Nation CNN http://cnn.com/2002/WEATHER/07/10/weatherpage.pm.ap/index.html

88. Howstuffworks "Why Are There More Thunderstorms During The Summer?" Why are there more thunderstorms during the summer? Most thunderstorms last about 30 minutes and are typically about 15 miles (24 km) in diameter. http://science.howstuffworks.com/question646.htm

ComputerStuff AutoStuff ElectronicsStuff ScienceStuff ... PeopleStuff Top Subjects Car Engines Lock Picking Nuclear Bombs Tattoos ... Gas Turbine Engines Sponsored By: Categories Earth Science Engineering Life Science Military ... Browse the Science Library Explore Stuff Lidrock.com Big List of Articles Get the Newsletter Shop or Compare Prices ... Search HSW and the Web Search Google Main Science ShortStuff Why are there more thunderstorms during the summer? According to the National Oceanic and Atmospheric Administration (NOAA) National Weather Service , approximately 1,800 thunderstorms are occurring at any given time, resulting in about 16-million thunderstorms each year. Most thunderstorms last about 30 minutes and are typically about 15 miles (24 km) in diameter. The two biggest threats associated with most thunderstorms are lightning and flash floods. To understand why thunderstorms occur more often during the warm months requires some understanding of thunderstorm basics. Thunderstorms thrive under certain conditions. The two most basic elements that cause a thunderstorm to develop are: Moisture Rapidly rising warm air Because moisture and warmth are crucial to thunderstorms, it makes sense that they would occur more often in the spring and summer, particularly in humid areas such as the southeastern United States. The high humidity, in conjunction with warm temperatures, creates massive amounts of warm, moist air rising into the atmosphere, where it can easily form a thunderstorm.

89. CNN.com - Rain And Thunderstorms Hit The East Coast And The Plains - May 21, 200 CNN http://cnn.com/2000/WEATHER/05/21/weatherpage.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: Rain and thunderstorms hit the East Coast and the Plains Satellite image of the United States taken at 4:45 p.m. EDT May 21, 2000 Web posted at: 6:00 p.m. EDT (2200 GMT)

90. Thunderstorms thunderstorms are one of the most thrilling and dangerous of weather phenomena. Over 40,000 thunderstorms occur throughout the world each day. http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/tstorm.html&edu=elem

Thunderstorms Click on image for full size version ( 353K JPG Courtesy of Angie J Venturato It is late afternoon. The white puffy clouds that have been growing all day are replaced by a greenish sky. A distant rumble is heard...then another. It starts to rain . A flash of light streaks the sky, followed by a huge BOOM. Welcome to a thunderstorm. Thunderstorms are one of the most thrilling and dangerous of weather phenomena . Over 40,000 thunderstorms occur throughout the world each day Thunderstorms can cause a lot of damage. Tornadoes can uproot trees and demolish buildings. Hail can damage cars and crops. Heavy rains can create flash floods. Lightning can spark a forest fire or hurt you. Safety during a thunderstorm is really important. The Formation of a Thunderstorm Types of Thunderstorms Lightning and Thunder Thunderstorm Safety Last modified prior to September, 2000 by the Windows Team The source of this material is Windows to the Universe , at http://www.windows.ucar.edu/

91. CNN.com - Showers, Thunderstorms In East - July 14, 2000 CNN http://www.cnn.com/2000/WEATHER/07/14/weatherpage.am.ap/index.html

weather Editions myCNN Video ... 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, thunderstorms in East Satellite image of the United States, taken Friday at 6:32 a.m. EDT July 14, 2000 Web posted at: 7:46 a.m. EDT (1146 GMT) (AP) Showers and thunderstorms were expected Friday across portions of the lower Great Lakes, Ohio Valley and New England as an upper-level disturbance moved through the Northeast. A stalled frontal boundary over the Southeast brought showers and thunderstorms to the region Thursday. Myrtle Beach, South Carolina got 11.4 inches of rain in 12 hours. More showers and thunderstorms were expected in the region Friday, with locally heavy rainfall and flash flooding possible.

92. LIGHTNING: Images Of Lightning Strikes And Thunderstorms With Lightning Images of lightning strikes and thunderstorms with lightning http://www.chaseday.com/lightning.htm

Lightning and Storms Chase Day Lightning on a Gust Front Can high wind bend a channel of lightning? It appears to be happening in this images taken in western Oklahoma. Strong winds form a gust front into a shelf cloud along the leading edge of the storm. Storms with this configuration are usually fast movers with strong straight line winds. This cell was moving east at 60 MPH. The blue color is from the film, but I liked it so I left it. Want to learn more about the lightning and understand what's going on in these storms? Kids can learn more about lightning by visiting sources such as the National Geographic Page on lightning . Lightning extending from thunderstorms into space is a new area of study and may be observed in special situations involving very clear dark skies. Cloud to Ground Strikes Cloud to ground lightning looks the best when it's out of the rain. Two types of lightning are in the first image. Lightning under the cloud base that on the edge of the rain and lightning coming out of the anvil striking outside the edge of the storm. Both are clear of the rain area and show good branching. Using Lightning To Illuminate the Tornado Lightning is common in a tornadic thunderstorm, but often after the tornado is on the ground the lightning diminishes. This was a lucky shot, well not total luck, I was there. It's really hard to do this, as I have tried for years. On numerous occasions I have had a tornado in the lightning and something goes wrong to keep me from getting it. One time I had two tornadoes going on simultaneously in the lightning east of Wichita, Kansas. I broke out of the storm too close to them and they just roared by as I was trying to get set up. For this shot I was on a little hand tripod setting on the car hood, which is fast to set up, and it wasn't raining so I could stand outside.

93. Thunderstorms Move Through Midwest CNN http://cnn.com/2001/WEATHER/05/02/weatherpage.weather.ap/index.html

94. AccuWeather.com - Headlines What are Training thunderstorms? Training thunderstorms have repeatedly formed aross the Northern Plains and the Great Lakes over the past few days. http://wwwa.accuweather.com/adcbin/public/headlines.asp?iws=5

95. CatFancy - Guidelines Treating cats that are fearful of thunderstorms. http://www.catfancy.com/catfancy/detail.aspx?aid=5319&cid=3598&search=

96. Thunderstorms - Environment Canada thunderstorms. If you hear a severe thunderstorm watch for your area, meaning conditions are favourable for the development of severe thunderstorms http://www.mb.ec.gc.ca/air/summersevere/ae00s20.en.html

Français Contact Us Help Search ... Weatheradio Extreme Events Alberta Saskatchewan Manitoba J u s t F o r K i d s Summer Tips Weather Words Thunderstorms Summer thunderstorms are a fairly common occurrence in most areas of Canada, providing much-needed precipitation for gardens, crops, and other purposes. Unfortunately, a small percentage of summer thunderstorms intensify to the extent that they become "severe", causing damage to property and threatening lives. Environment Canada will issue a severe thunderstorm or tornado warning if heavy rain, high winds, tornadoes, hail or intense lightning are present or expected. The storm's expected motion and developments are also provided in the weather warning. If you hear a weather warning and are in the area specified, take appropriate precautions. General Precautions The following general precautions offer advice on how you can plan in advance to cope more safely with a severe thunderstorm. Choose a shelter in advance. Good places to be during severe storms are basements, storm cellars, and fall-out shelters, or underneath stairs or sturdy furniture in the centre of the house. See

97. Rain And Thunderstorms Stretch Across The South CNN http://cnn.com/2002/WEATHER/03/30/weatherpage.pm.ap/index.html

98. Chapter 15 - Thunderstorms And Tornadoes Chapter 15 thunderstorms and Tornadoes. Chapter 11 links of interest. Introduction to thunderstorms; Distribution of thunderstorms; Distribution of hail storms; http://apollo.lsc.vsc.edu/classes/met130/notes/chapter15/

Chapter 15 - Thunderstorms and Tornadoes Chapter 11 links of interest The National Severe Storms Laboratory Storm Prediction Center University of Oklahoma - CAPs Real-Time lightning strike data Index of Lecture Notes Introduction to Thunderstorms Distribution of thunderstorms Distribution of hail storms Air mass thunderstorms: cumulus stage mature stage dissipating stage Downbursts - micro and macrobursts ... Tornadoes seasonal tornado occurrence and tornado alley Tornadic winds Tornado versus microburst wind damage patterns Tornado observations Doppler velocity interpretation ... charge distribution in thunderstorms the cloud to ground lightning discharge: the stepped leader the travelling spark the return stroke Ch 15 Homework ... Ch 15 Review questions

99. Thunderstorms Expected Across East CNN http://cnn.com/2002/WEATHER/08/24/weatherpage.am.ap/index.html

100. Thunderstorm Distribution Over U.S. Thunderstorm Distribution over the US. Plotted are the number of days each year when thunderstorms are observed. note max s along http://apollo.lsc.vsc.edu/classes/met130/notes/chapter15/thunderstorm_dist.html

Thunderstorm Distribution over the U.S. Plotted are the number of days each year when thunderstorms are observed. note max's along gulf coast, especially Florida also CO estimated that more than 40,000 thunderstorms form each day around the world What about the distribution of hail - is it the same as for the thunderstorm distribution

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