PPT-Lightning Safety Awareness

Safety Training Presentations Institute of Occupational Safety and Health FY11 OSHA Susan Harwood Grant Program This material was produced under grant number SH22297SH1 from OSHA It does not necessarily reflect the views or policies of the US Department of Labor nor does mention of trade names commercial products or organizations imply endorsement by the US Government . . 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. RITT Presentation. Tom Filiaggi (NWS – MDL). 11/28/12. Evaluation of “. 2. σ. ” as Predictor for Severe Weather. Agenda. Total Lightning. Lightning Mapping Arrays (LMAs). Previous Research Summary. . Genre: . Biography. -a story about a life of a real person written by someone else.. Benjamin Franklin. Benjamin Franklin . (January . 17, 1706– April 17, 1790 . )was . born . in . Boston,Massachussets. 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. Christopher J. Schultz. 1. , Lawrence . D. . Carey. 2. , Walter A. Petersen. 3. , Daniel Cecil. 2. , Monte Bateman. 4. , Steven Goodman. 5. , Geoffrey Stano. 6. , Valliappa Lakshmanan. 7. 1 - Department of Atmospheric Science, . 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. LT: I can identify vocabulary in . The Lightning Thief.. Trick; concealment of the truth. deceit. Eternal life. immortality. Deity; godhead. divinities. seriousness. solemnity. Express the same message in different words. X. and its Impact on . Air Quality over the Contiguous United States. Office of Research and Development. Computational Exposure Division, National Exposure Research Laboratory . Daiwen Kang, Rohit Mathur, Limei Ran, Gorge Pouliot, David Wong, Kristen Foley, Wyat Appel, and Shawn Roselle . 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 and Severe Weather: A Comparison between Total and Cloud-to-Ground Lightning Trends Authors: Christopher J Schultz, Walter A. Petersen, and Lawrence D. Carey Published: Spring 2011 Introduction 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. Gulf states, Ohio River Valley, front range of Rocky Mountains, and parts of Southwest.