PPT-Lightning

and Surge Protection according to IEC 62305 Lightning and Surge Protection 1 Damage due to Lightning and Surges Lightning and Surge Protection 2 Lightning and Surge Protection. Most of those discharges are cloudtocloud but about 30 end up as the cloudtoground discharge that we are most familiar with There are a number of websites that describe the atmospheric electrical discharge that we know of as lightning but the averag Effective and Efficient. Which aspects of your instruction do you feel are most effective, most efficient? . How . do you make them so? . Do . you know the research that supports your effective instructional practices? . Facts about lightning. 80% of lightning is from cloud-to-cloud. . Only 20% strikes the ground.. Primarily in mature cumulonimbus clouds. . More frequent at higher altitudes.. Lightning always produces thunder-however you can’t always here it. . Edgar Hernandez. Geography 1700 – Natural Disasters . Source: "We Need Your Help!" NOAA Study Finds Fishing Tops U.S. Lightning Death Activities. . N.p. ., . n.d.. Web. 04 Mar. 2015.. The lightning lifecycle. Thunderstorm structure. Thunderstorms are classified into four major types, namely the . supercell. , . squall . line, . multicell. . single . cell. .. The strongest type is called the . supercell. , which can be as wide as 24 kilometers . Prevalence of Lightning Occurrences. In US, 42 fatalities per year; 10 times as many injuries from strikes. Of all deaths, about 15 % occur in organized sports; 25-30 % in recreational activities. Areas of greatest incidence in US. Supercell. Tornado 5 . to 10 miles northwest . of Cheyenne. By Rob Cox (NWS Cheyenne) . July 29, 2013 @ ~6pm. Photo Courtesy Steve . Apfel. Tornado . ~5 to 10 . miles Northwest of Cheyenne. 0.5 deg. Z ~15 min prior to Tornado. Prof.Dr. . Reynaldo . Zoro. . Dr. Syarif Hidayat, Tulus Leo. Lightning Research Center . School of Electrical Engineering and Informatics. Institute . Technolog. i. Bandung. (ITB), . Indonesia. zoro@hv.ee.itb.ac.id. Cloud to Ground. Ground to Cloud. Cloud to Cloud. Forked Lightning. Sheet Lightning. Scott A. Mandia. “Heat Lightning”. Ribbon Lightning. Bead Lightning. Three frames from a motion-picture film of bead lightning, showing the appearance of. 23 July 2015. Sources. Three-part QST article. Lightning Protection for the Amateur Radio Station. Ron Block KB2UYT. http://www.arrl.org/lightning-protection. . http://www.arrl.org/files/file/Technology/tis/info/pdf/0206056.pdf. (and IEEE Task Force on HVDC Line Design). Member Report: William A. Chisholm. W.A.Chisholm@ieee.org. 19 July 2016. Meetings Attended. Montreal, May 2016. B2.56, Ground Potential Rise at Overhead AC Transmission Line Structures during Power Frequency Faults. Lightning and Climate Earle Williams MIT Franklin Lecture AGU Fall Meeting San Francisco, CA December 5, 2012 Outline Global perspective on thunderstorms and world views CAPE versus aerosol control of lightning in present climate Lightning Academy FY20 Course Schedule o Annual Capacity: 2,500-3,500 SOLDIERS AND LEADERS TRAINED PER YEAR LMIC * 10 Days Air Assault * 10 Days Rappel Master 5 Days FRIES/SPIES Master 4 Days Small Unit Ranger Tactics (SURT) kindly visit us at www.examsdump.com. Prepare your certification exams with real time Certification Questions & Answers verified by experienced professionals! We make your certification journey easier as we provide you learning materials to help you to pass your exams from the first try. Professionally researched by Certified Trainers,our preparation materials contribute to industryshighest-99.6% pass rate among our customers.