Doppler on Wheels Uses Airlink® Gateways for Rugged, Reliable Connectivity
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Workshop on Weather Ready Nation: Science Imperatives for Severe Thunderstorm Research, Held 24-26 April, 2012 in Birmingham AL
Workshop on Weather Ready Nation: Science Imperatives for Severe Thunderstorm Research, Held 24-26 April, 2012 in Birmingham AL Sponsored by National Oceanic and Atmospheric Administration and National Science Foundation Final Report Edited by Michael K. Lindell, Texas A&M University and Harold Brooks, National Severe Storms Laboratory Hazard Reduction & Recovery Center Texas A&M University College station TX 77843-3137 17 September 2012 Executive Summary The National Oceanic and Atmospheric Administration (NOAA) and the National Science Foundation (NSF) workshop sponsored a workshop entitled Weather Ready Nation: Science Imperatives for Severe Thunderstorm Research on 24-26 April, 2012 in Birmingham Alabama. Prior to the workshop, teams of authors completed eight white papers, which were read by workshop participants before arriving at the conference venue. The workshop’s 63 participants—representing the disciplines of civil engineering, communication, economics, emergency management, geography, meteorology, psychology, public health, public policy, sociology, and urban planning—participated in three sets of discussion groups. In the first set of discussion groups, participants were assigned to groups by discipline and asked to identify any research issues related to tornado hazard response that had been overlooked by the 2011 Norman Workshop report (UCAR, 2012) or the white papers (see Appendix A). In the second set of discussion groups, participants were distributed among interdisciplinary groups and asked to revisit the questions addressed in the disciplinary groups, identify any interdependencies across disciplines, and recommend criteria for evaluating prospective projects. In the third set of discussion groups, participants returned to their initial disciplinary groups and were asked to identify and describe at least three specific research projects within the research areas defined by their white paper(s) and to assess these research projects in terms of the evaluation criteria identified in the interdisciplinary groups. -
Multiple-Platform and Multiple-Doppler Radar Observations of a Supercell Thunderstorm in South America During RELAMPAGO
AUGUST 2020 T R A P P E T A L . 3225 Multiple-Platform and Multiple-Doppler Radar Observations of a Supercell Thunderstorm in South America during RELAMPAGO a b c d ROBERT J. TRAPP, KAREN A. KOSIBA, JAMES N. MARQUIS, MATTHEW R. KUMJIAN, a b e a STEPHEN W. NESBITT, JOSHUA WURMAN, PAOLA SALIO, MAXWELL A. GROVER, Downloaded from http://journals.ametsoc.org/mwr/article-pdf/148/8/3225/4980676/mwrd200125.pdf by UNIVERSITY OF ILLINOIS user on 15 July 2020 b a PAUL ROBINSON, AND DEANNA A. HENCE a Department of Atmospheric Sciences, University of Illinois at Urbana–Champaign, Urbana, Illinois b Center for Severe Weather Research, Boulder, Colorado c Pacific Northwest National Laboratory, Richland, Washington, and University of Colorado Boulder, Boulder, Colorado d Department of Meteorology and Atmospheric Science, The Pennsylvania State University, University Park, Pennsylvania e Centro de Investigaciones del Mar y la Atmósfera, CONICET-UBA, and Departamento de Ciencias de la Atmósfera y los Océanos, UBA, UMI-IFAECI, CNRS-CONICET-UBA, Buenos Aires, Argentina (Manuscript received 20 April 2020, in final form 18 May 2020) ABSTRACT On 10 November 2018, during the RELAMPAGO field campaign in Argentina, South America, a thun- derstorm with supercell characteristics was observed by an array of mobile observing instruments, including three Doppler on Wheels radars. In contrast to the archetypal supercell described in the Glossary of Meteorology, the updraft rotation in this storm was rather short lived (;25 min), causing some initial doubt as to whether this indeed was a supercell. However, retrieved 3D winds from dual-Doppler radar scans were used to document a high spatial correspondence between midlevel vertical velocity and vertical vorticity in this storm, thus providing evidence to support the supercell categorization. -
Downloaded 10/04/21 02:12 PM UTC 874 MONTHLY WEATHER REVIEW VOLUME 147
MARCH 2019 G R I F F I N E T A L . 873 High-Temporal Resolution Observations of the 27 May 2015 Canadian, Texas, Tornado Using the Atmospheric Imaging Radar CASEY B. GRIFFIN School of Meteorology, and Advanced Radar Research Center, University of Oklahoma, Norman, Oklahoma DAVID J. BODINE AND JAMES M. KURDZO Advanced Radar Research Center, University of Oklahoma, Norman, Oklahoma ANDREW MAHRE AND ROBERT D. PALMER School of Meteorology, and Advanced Radar Research Center, University of Oklahoma, Norman, Oklahoma (Manuscript received 21 August 2018, in final form 16 January 2019) ABSTRACT On 27 May 2015, the Atmospheric Imaging Radar (AIR) collected high-temporal resolution radar ob- servations of an EF-2 tornado near Canadian, Texas. The AIR is a mobile, X-band, imaging radar that uses digital beamforming to collect simultaneous RHI scans while steering mechanically in azimuth to obtain rapid-update weather data. During this deployment, 208-by-808 (elevation 3 azimuth) sector volumes were collected every 5.5 s at ranges as close as 6 km. The AIR captured the late-mature and decaying stages of the tornado. Early in the deployment, the tornado had a radius of maximum winds (RMW) of 500 m and exhibited 2 maximum Doppler velocities near 65 m s 1. This study documents the rapid changes associated with the dissipation stages of the tornado. A 10-s resolution time–height investigation of vortex tilt and differential velocity DV is presented and illustrates an instance of upward vortex intensification as well as downward tornado decay. Changes in tornado intensity over periods of less than 30 s coincided with rapid changes in tornado diameter. -
Near-Surface Vortex Structure in a Tornado and in a Sub-Tornado-Strength Convective-Storm Vortex Observed by a Mobile, W-Band Radar During VORTEX2
VOLUME 141 MONTHLY WEATHER REVIEW NOVEMBER 2013 Near-Surface Vortex Structure in a Tornado and in a Sub-Tornado-Strength Convective-Storm Vortex Observed by a Mobile, W-Band Radar during VORTEX2 ,1 # @ ROBIN L. TANAMACHI,* HOWARD B. BLUESTEIN, MING XUE,* WEN-CHAU LEE, & & @ KRZYSZTOF A. ORZEL, STEPHEN J. FRASIER, AND ROGER M. WAKIMOTO * Center for Analysis and Prediction of Storms, and School of Meteorology, University of Oklahoma, Norman, Oklahoma # School of Meteorology, University of Oklahoma, Norman, Oklahoma @ National Center for Atmospheric Research, Boulder, Colorado & Microwave Remote Sensing Laboratory, University of Massachusetts, Amherst, Amherst, Massachusetts (Manuscript received 14 November 2012, in final form 22 May 2013) ABSTRACT As part of the Second Verification of the Origins of Rotation in Tornadoes Experiment (VORTEX2) field campaign, a very high-resolution, mobile, W-band Doppler radar collected near-surface (#200 m AGL) observations in an EF-0 tornado near Tribune, Kansas, on 25 May 2010 and in sub-tornado-strength vortices near Prospect Valley, Colorado, on 26 May 2010. In the Tribune case, the tornado’s condensation funnel dissipated and then reformed after a 3-min gap. In the Prospect Valley case, no condensation funnel was observed, but evidence from the highest-resolution radars in the VORTEX2 fleet indicates multiple, sub-tornado-strength vortices near the surface, some with weak-echo holes accompanying Doppler velocity couplets. Using high-resolution Doppler radar data, the authors document the full life cycle of sub- tornado-strength vortex beneath a convective storm that previously produced tornadoes. The kinematic evolution of these vortices, from genesis to decay, is investigated via ground-based velocity track display (GBVTD) analysis of the W-band velocity data. -
Interview with Sean Casey
INTERVIEW WITH SEAN CASEY YOU HAD COME UP WITH THE IDEA FOR THE TIV WHEN YOU WERE LOCKED OUT OF A MINIVAN IN A STORM, CORRECT? Well, actually, we had come up with the concept the year before, but getting locked out of a minivan with a tornado right next to us, that kind of confirms my sneaking suspicion that if we were going to be that close we should have something a bit more rugged. WERE THERE ANY OTHER INSPIRATIONS FOR THE TIV? Mainly it was just a feeling that, you know, there’s a huge difference between filming a tornado from a couple miles away with a telephoto lens, and filming a tornado that’s on top of you with a wide-angle lens. And that’s really where all the action is. It’s right next to the tornado. And it’s close in the tornado. That’s the kind of power that I wanted to capture. I wanted to get footage that really was as powerful as the subject matter. HOW DID YOU FEEL DURING THE GOSHEN INTERCEPT? Of course it’s hard to describe. In the moment, a part of you is fearing for your life. A part of you is just overjoyed and kind of in shock. I think I was in shock at the time, really. It was such an unbelievable experience. Unbelievable to see a tornado forming half a mile away. You pick the right spot, and it’s just coming right at you, and to bear witness to that. And another thing is I’m trying not to mess up. -
Innovation Magazine Spring 2016
SPRING 2016 SPRING 2016 SPECIAL ciweek 2016 PROGRAM EDITION FREE To Dream THE POWER of Dreaming Big CHASING DREAMS COVER PHOTO: and the Nasty Side of Mother Nature JAMIE FOXX IN FULL ELECTRO MAKEUP FOR THE AMAZING SPIDERMAN 2. THE ART OF MAKEUP and So Much More DREAM with Focus www.dmacc.edu/ciweek LAURA JOHNSON | Merit Resources When you partner with the INS Family of Companies for your business solutions, you’re freed up to focus on what you do best. We’ll equip and support you with a full suite of business solutions including Technology, HR and Contact Center services. Offering our unique combination of top-level talent, technology and tools, we’re your valued productivity partner on the road to success. INSFamilyOfCompanies.com THE INS FAMILY OF COMPANIES One experience for everything in your life Come to Microsoft and check out Surface Pro 3, Windows Phones, and more Microsoft at Jordan Creek Town Center 101 Jordan Creek Parkway West Des Moines, IA 50266 Some apps sold separately. Some features require Windows 8.1 Update, available through Windows Update. Internet access required; fees may apply. FEATURES 7 | The Power of Dreaming Big BY SCOTT SIEPKER 13 | Chasing Dreams and the Nasty Side of Mother Nature BY DR. REED TIMMER 19 | The Art of Makeup And So Much More BY HOWARD BERGER 25 | Dream with Focus BY JASON KIESAU 31 | Student Spotlight: Dreaming Reality BY JAMIN MYCAL HARDENBROOK PROGRAM CELEBRATE! INNOVATION MAGAZINE 34 | Welcome IS PUBLISHED BIANNUALLY PROVOST ANTHONY D. PAUSTIAN, Ph.D. BY DES MOINES AREA COMMUNITY COLLEGE WEST CAMPUS. -
2020 AMS Awards Brochure
2020 Awards AMS Fellow Ping Chang Professor and Chair Texas A&M University, College Station, Texas Ping Chang is a professor and the Louis & Elizabath Scherck chair in oceanography and serves as the director of the International Laboratory for High-Resolution Earth System Prediction at Texas A&M University. He received his Ph.D. from Princeton University in 1988. His research focuses on climate dynamics and modeling. He is a contributing author of the fifth Assessment Report of the Intergovernmental Panel on Climate Change and an author of ~140 peer-reviewed scientific journal papers. AMS Fellow Donna J. Charlevoix Director UNAVCO, Boulder, Colorado Dr. Donna Charlevoix is director of Education and Community Engagement for UNAVCO and the NSF-supported GAGE facility. She worked for over a decade in academia as faculty after which she transitioned to work for non-profits that support federally-funded science facilities. She is actively involved in atmospheric science education research, co-authors university science textbooks, and serves in the leadership of the American Meteorological Society. She resides with her family in Colorado. AMS Fellow Jeffrey L. Collett, Jr. Professor Colorado State University, Fort Collins, Colorado Dr. Collett is a professor and head of Colorado State University’s Atmospheric Science Department. He studied at MIT (Chemical Engineering) and Caltech (Environmental Engineering Science), before completing a postdoc at ETH- Zurich. Principal research topics include emissions and air quality impacts from oil and gas development; the sources, transport and deposition of reactive nitrogen pollutants; air quality impacts of wild and prescribed fires; aerosol chemistry; and air pollution processing by clouds and fogs. -
38Th Conference on Radar Meteorology
38th Conference on Radar Meteorology 28 August – 1 September 2017 Swissôtel Hotel Chicago, IL 38TH CONFERENCE ON RADAR METEOROLOGY 28 AUGUST-1 SEPTEMBER 2017 SWISSÔTEL CHICAGO, IL CONNECT Conference Twitter: #AMSRadar2017 Conference Facebook: https://www.facebook.com/AMSradar2017/ ORGANIZERS The 38th Conference on Radar Meteorology is organized by the AMS Radar Meteorology and hosted by the American Meteorological Society. SPONSORS Thank you to the sponsoring organizations that helped make the 38th Conference on Radar Meteorology possible: PROGRAM COMMITTEE Co-Chairs: Scott Collis, ANL, Argonne, IL and Scott Ellis, NCAR, Boulder, CO New and Emerging Radar Technology Lead: Stephen Frasier, University of Massachusetts * Vijay Venkatesh, NASA Goddard * Boon Leng Cheong, University of Oklahoma * Bradley Isom, Pacific Northwest National Laboratory * Eric Loew, NCAR EOL * Jim George, Colorado State University Radar Networks, Quality Control, Processing and Software Lead: Daniel Michelson, Environment Canada * Adrian Loftus, NASA and University of Maryland * Francesc Junyent, Colorado State Univeristy * Hidde Leijnse, Royal Netherlands Meteorological Institute (KNMI) * Joseph Hardin, Pacific Northwest National Laboratory General Information Quantitative Precipitation Estimation and Hydrology Lead: Walter Petersen, NASA-MSFC * Amber Emory, NASA * David Wolff, NASA * Jian Zhang, NSSL/OU AMERICAN METEOROLOGICAL SOCIETY Microphysical Studies with Radars Lead: Christopher Williams, Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder * Daniel Dawson, Purdue University * Matthew Kumjian, Pennsylvania State University * Marcus van Lier-Walqui, NASA Goddard Institute for Space Studies Organized Convection and Severe Phenomena Lead: Tammy Weckwerth, National Center for Atmospheric Research * Angela Rowe, University of Washington * Karen Kosiba, Center for Severe Weather Research * Kevin Knupp, University of Alabama, Huntsville * Timothy Lang, NASA * Stephen Guidmond, Univ. -
Erad2012 Programme
1Sunday, 24 June 2012 1 17:00 – 19:00 Distribution of conference packages to registered participants and Welcome cocktail at Hôtel d’Assézat (Place d’Assézat, downtown Toulouse). Note: This ceremony is only open to people who have already registered online. There will be NO on-site registration at Hôtel d’Assézat. 1Monday, 25 June 2012 1 08:00 Bus transfer to Météo-France See conference booklet for details 09:00 Registration & Welcome coffee (offered by BARON SERVICES ) Centre International de Conférences of Météo-France (CIC) 10:00 Introduction Cochairs: Olivier Bousquet and Pierre Tabary, Météo-France Location: amphitheater 10:00 Welcome address M. Olivier Gupta , Deputy Head of Météo France Session 1 Quantitative Precipitation Estimation (Part I) (Plenary) Chair : Alexander Ryzhkov, CIMMS/NSSL Location : amphitheater 10:30 1.1 To provide accurate rainfall rates with quantified errors. (keynote) Anthony Illingworth , University of Reading 11:00 1.2 Rainfall estimation from an operational S-band dual-polarization radar in the monsoon dominant environment Gyuwon Lee, Dept. Astronomy and Atmospheric Sciences, Kyungpook National University, Daegu, Soohyun Kwon, Choong-Ke Lee 11:15 1.3 The new French Operational Polarimetric Radar Rainfall Product Jordi Figueras i Ventura , Météo France, Fadela Kabeche, Béatrice Fradon, Abdel-Amin Boumahmoud, Pierre Tabary 11:30 1.4 Comparison of polarimetric techniques for operational precipitation estimation in complex orography scenarios Gianfranco Vulpiani, Presidency of the Council of Ministers – Department of Civil Protection, M. Montopoli, A. Gioia, P. Giordano, F.S. Marzano 11:45 1.5 VPR Correction of Brightband Effects in Radar QPEs Using Polarimetric Radar Observations Youcun Qi, National Severe Storms Laboratory (NOAA/NSSL), Pengfei Zhang, Jian Zhang 12:00 1.6 Rainfall estimation in mountainous regions using X-band polarimetric weather radar PC Shakti , National Research Institute for Earth Science and Disater Prevention, M. -
UNIVERSITY of OKLAHOMA Office of Research Administration
UNIVERSITY OF OKLAHOMA Office of Research Administration CONTRACTUAL REPORT Awards - April, 1998 Amount 0628655882 Stephen Cook, Oklahoma Biological Survey $3,983.00 The Nature Conservancy April 1, 1998 - September 30, 1998 Early-Season Survey for Eximacris phenax and E. superbum (Orthoptera: Acrididae) in Southeastern Oklahoma 0628755808 David Penn, Center for Economic and Management Research $58,068.00 State of Oklahoma, Department of Human Services January 12, 1998 - April 30, 1998 TANF Surveys 0628855887 Keith Strevett, Civil Engineering and Environmental Science $59,999.00 National Science Foundation August 1, 1998 - July 31, 1999 CAREER: Impact of Physiological State and Macro-Nutrient Ratio on Microbial Surface Thermodynamics 0628955888 Gary D. Schnell, Oklahoma Biological Survey $21,997.00 Ana Hiott, Oklahoma Biological Survey State of Arkansas, Military Department Prime: DOD-National Guard February 1, 1998 - June 30, 1999 Evaluation Survey for American Burying Beetles on Camp Robinson, Arkansas 0629055891 Gary D. Schnell, Oklahoma Biological Survey $30,000.00 Ana Hiott, Oklahoma Biological Survey State of Arkansas, Military Department Prime: DOD-National Guard February 1, 1998 – June 30, 1999 Evaluation Survey for American Burying Beetles on Fort Chaffee, Arkansas Awards - April, 1998 Amount 0629155893 David Wiedenfeld, Oklahoma Biological Survey $2,588.04 State of Oklahoma, Oklahoma Military Department Prime: DOD-National Guard January 22, 1998 - May 31, 1999 Migratory Bird Environmental Awareness Materials Camp Gruber Training Center, Oklahoma 0629255894 David Wiedenfeld, Oklahoma Biological Survey $6,468.71 State of Oklahoma, Oklahoma Military Department Prime: DOD-National Guard January 22, 1998 - December 30, 1998 Biodiversity Survey of Camp Gruber Training Center, Oklahoma 0629455896 Matthew Johnson, Physics and Astronomy $200,000.00 National Science Foundation April 15, 1998 - March 31, 2002 CAREER: Scanning Probe Microscopy of Photonic and Electronic Materials 0629555897 Mark A. -
THE SHARED MOBILE ATMOSPHERIC RESEARCH and TEACHING RADAR a Collaboration to Enhance Research and Teaching
THE SHARED MOBILE ATMOSPHERIC RESEARCH AND TEACHING RADAR A Collaboration to Enhance Research and Teaching BY MICHAEL I. BIGGERSTAFF, LOUIS J. WICKER, JERRY GUYNES, CONRAD ZIEGLER, JERRY M. STRAKA, ERIK N. RASMUSSEN, ARTHUR DOGGETT IV, LARRY D. CAREY, JOHN L. SCHROEDER, AND CHRIS WEISS Overcoming numerous challenges, a unique partnership created two C-band mobile Doppler weather radars capable of accurately measuring both clear-air circulations and damaging winds in heavy rain. tarting with acquisition of two decom- missioned 1974 C-band National SWeather Service (NWS) Weather Surveillance Radars (WSR-74Cs) in early 1998, a coalition of scientists from the University of Oklahoma (OU), National Severe Storms Laboratory (NSSL), Texas A&M University (TAMU), and Texas Tech University (TTU) embarked on a project to build and deploy two mobile C-band Doppler weather radars for storm-scale research and to enhance graduate and FIG. I. Side view of SR-I, the first mobile C-band Doppler undergraduate education in radar me- weather radar in the United States. The smaller dish on top teorology. This project culminated in the the cab is a self-pointing satellite-based Internet communica- successful development and deployment of tion system that will allow for the real-time transmission of the the first mobile C-band Doppler weather data back to a remote server. Photo taken at NSSL where the radar, dubbed SR-1, in 2001 (Fig. 1). To SMART radars are housed. View is to the east-northeast. AFFILIATIONS: BIGGERSTAFF AND STRAKA—School of Meteorol- CORRESPONDING AUTHOR: Dr. Michael Biggerstaff, School ogy, University of Oklahoma, Norman, Oklahoma; WICKER AND of Meteorology, University of Oklahoma, 100 E. -
Tornado Basics
TORNADO BASICS NOAA/National Weather Service Tornado FAQ What is a tornado? According to the Glossary of Meteorology (AMS 2000), a tornado is "a violently rotating column of air, pendant from a cumuliform cloud or underneath a cumuliform cloud, and often (but not always) visible as a funnel cloud." Literally, in order for a vortex to be classified as a tornado, it must be in contact with the ground and the cloud base. Weather scientists haven't found it so simple in practice, however, to classify and define tornadoes. For example, the difference is unclear between an strong mesocyclone (parent thunderstorm circulation) on the ground, and a large, weak tornado. There is also disagreement as to whether separate touchdowns of the same funnel constitute separate tornadoes. It is well- known that a tornado may not have a visible funnel. Also, at what wind speed of the cloud-to-ground vortex does a tornado begin? How close must two or more different tornadic circulations become to qualify as a one multiple-vortex tornado, instead of separate tornadoes? There are no firm answers. BACK UP TO THE TOP How do tornadoes form? The classic answer -- "warm moist Gulf air meets cold Canadian air and dry air from the Rockies" -- is a gross oversimplification. Many thunderstorms form under those conditions (near warm fronts, cold fronts and drylines respectively), which never even come close to producing tornadoes. Even when the large-scale environment is extremely favorable for tornadic thunderstorms, as in an SPC "High Risk" outlook, not every thunderstorm spawns a tornado. The truth is that we don't fully understand.