PPT-Thunderstorms

What are thunderstorms A thunderstorm is a storm with lightning and thunder Its produced by a cumulonimbus cloud usually producing strong winds heavy rain and sometimes hail WEATHER PHENOMENON. Summer thunderstorms are not a rarity and dont garner a lot of media attention or make worldwide headlines like the storm on Jul 8 th did This thunder storm made headlines because it broke the record for the amount of rainfall received in Toronto in Your Guide Thunderstorms can occur anywhere in Fiji and do so more frequently than any other major natural hazard. Their occurrence can also be at any time of the year, though the chance is low durin Crystal K Williams. Department of Geography-Geology. Illinois State University. Outline. Introduction/Background. Mesoscale Convective Systems. Squall Lines. Precipitation. Conclusions. Introduction. Dr. . Hooda. Text Book : Pages 450 - 459. What is a storm? . A violent disturbance in the atmosphere.. What is a storm? . . Involves sudden changes in air pressure. Cause rapid air movement. Conditions that bring one . B. Barrett – SO441 . Synoptic Meteorology. A severe thunderstorm near Lusk, WY 18 May 2014. Two basic ingredients for severe thunderstorms. Good buoyancy . Provides strong lift. Wind shear. Keeps warm, buoyant updrafts separate from cold, rainy downdrafts. e thunderstorms? SevereThunderstorm All thunderstorms are dangerous.Every thunderstorm produces lightning, which kills more peopleeach year than tornadoes. Heavyrain from thunderstorms can lead to fl 2000 thunderstorms can be in progress on earth at any one second There are over 100 lightning discharges to earth every second The chance of being hit by lightning in the UK is 1 in 14 million whi Unit 4 – Atmospheric Processes. Necessary Atmospheric Conditions. Water . vapour. must be available in the lower atmosphere to feed clouds and precipitation as the storm forms . A temperature gradient must exist so that rising air cools off rapidly with height. S6E4. I can relate unequal heating of land and water surfaces to form tornados and thunderstorms.. I can relate how moisture evaporating from the oceans affects the weather patterns and events such as hurricanes.. Science. Thunderstorms & Lightning. Conditions That Occur During Thunderstorms. Thunder, lighting, high winds, heavy rain, hail. Electric Sparks by Shuffling . Lightening is like electric sparks that you can make by shuffling across a carpet before touching a metal object. Both lightning and small electric sparks are discharges of built up static electricity. . http://www.accuweather.com/en/us/national/severe-weather-maps. Thunderstorms. Thunderstorms: Some Key Facts. Produced by cumulonimbus clouds and are accompanied by lightning and thunder.. Occurs when the atmosphere becomes unstable—when a vertically displaced air parcel becomes buoyant and rises on its own.. They have strong winds, heavy rain, lightning, and thunder.. How to tell if a storm is far away:. If you hear the thunder at the same time as you see the lightning, the storm is right above you.. If you see the lightning and then hear the thunder, the storm is farther away from you.. Honors Earth Science. Thunderstorms. A storm with lightning and thunder.. Produced by a cumulonimbus cloud.. Usually produces gusty winds, heavy rain and sometimes hail.. Ingredients for a Thunderstorm. S ummer thunderstorms are a normal part of summer weather. When the sky starts to darken and the thunder begins, do you have a child who gets scared? The weather can change very quickly in the s