PPT-Tornadoes and the Arctic Oscillation

Daniel Nielsen MotivationGoals Existence of yeartoyear variability in tornado count Bias toward recent years due to increased storm spotting capabilities Improvements in radar network and deployment of NEXRAD. Matthew Parker. 1. , Jonathan Blaes. 2. , Gary Lackmann. 1. , and Sandra Yuter. 1. 1. North Carolina State University. 2. NOAA/National Weather Service. Raleigh, North Carolina, USA. Acknowledgments. Tornadoes. are very violent. When Tornadoes are single they last only a few minutes. Tornadoes travel in a north eastern direction. Tornadoes are usually in a funnel shape. Tornadoes can happen in any part of the United States. Usually the eye of a tornado is the calmest place. Tornadoes are mostly gray.. Ways to Secure your home and Storm Chasers. Michael S. Schlossberg. What is a Tornado?. A tornado is a column of air that is moving with high speeds of that is coming from a thunderstorm . Tornadoes are found in flat plain areas because there is no mountains to restrict the movement of air. By: Maggie Colf. Tornadoes. “There is also disagreement as to whether separate touchdowns of the same funnel constitute separate tornado.”. Tornadoes may not have a visible funnel.. Truth is that we don’t fully understand.. 11/16/15. Winds can exceed 300 mph!!!. Around 1,000 occur on average each year in the U.S.. Kill 80, injure 1,500 people each year on average. Can have a path up to a mile wide!!!. Can occur any time of the year, but . U.S averages 800 tornadoes/year; more than any country. Canton, MI Dec. 23, 2015. EF-1 (90 mph winds). .  .                              . 933. . tornadoes in . 2016. Tornadoes are . rotating columns of air that extend down from a storm cloud in the shape of a . funnel.. Anything . in the path of a tornado, including houses, cars, forests, and other ecosystems, . are . A tornado is a rotating column of air attached to a thunderstorm that comes in contact with the . ground.. The most violent of all atmospheric events is the tornado.. On average, 800 to 1000 tornadoes occur in the U.S. each year.. Be able to describe . how . and why a . TORNADO. forms, and the role of the . MESOCYCLONE. in formation.. Be able to identify the . THREE. main . TYPES. of tornadoes and the key tornado formation . J WU, T Koettig, P Janickova, L . Zwalinski. Oscillation of the pump discharge pressure. Pressure [Bar]. At certain low discharge pressure of the pump, there is no oscillation. With increase of the pressure, the oscillation starts. The frequency of the oscillation is about . SO 442 . – . Tropical Meteorology. Space and time-scales of dynamical atmospheric processes. SOURCE: UCAR. Climate. : PDO. Years. : ENSO. Seasons:. Monsoons. Months/Weeks:. MJO. Atmospheric Scales of Motion. risks and rewards. Fran Ulmer. Chair, US Arctic Research Commission. UNH Oil Spill Forum. October 2014. Rapidly changing Arctic. Less sea ice. Warmer temperatures. Thawing permafrost. Vulnerable species. Past and Present. Art McDonald. Queen’s University. And. SNOLAB. 1940’s to 1960’s:. Neutrino oscillations were proposed by . Pontecorvo. in 1957 motivated by initial reports of measurements by Davis with a Chlorine detector at a reactor. At that point, the transitions being considered were electron neutrino to electron anti-neutrino.. and . Simultaneous . Estimation of . Forced . Oscillations and . Modes. John . Pierre, U of Wyoming. pierre@uwyo.edu. Dan . Trudnowski. , Montana Tech. dtrudnowski@mtech.edu. Jim Follum, PNNL (formerly at U of Wyoming).