Note the Date of the Meeting Is Tuesday, October 19

Total Page:16

File Type:pdf, Size:1020Kb

Note the Date of the Meeting Is Tuesday, October 19 NEWSLETTER TWIN CITIES CHAPTER AMERICAN METEOROLOGICAL SOCIETY October, 2004 Vol. 26 No. 2 Note the date of the meeting is Tuesday, October 19 The October meeting of the Twin Cities Chapter of the AMS will be at 7 PM Tuesday, October 19th, at St. Cloud State University, St. Cloud in the Math and Sciences Center. Specific directions to the meeting and information on carpooling can be found on page 5. AMS chapter members, interested acquaintances and potential members are invited to attend. Student Research Presentations and Tour of the Meteorology Department of St. Cloud State University. Host: Greg Nastrom SCSU offers a four-year B. S. degree program in meteorology, the only such program in the state. Greg Nastrom, chairman of the Earth and Atmospheric Sciences Department and others in the department will give us an update on the status of the meteorology program (enrollments, staffing, facilities, student opportunities, student success stories, etc.), followed by 15-20 minute research presentations by 2 of their seniors. The department has a weather lab which is used for forecasting and they also have their own WSR-74C 5-cm radar. The program began about 16 years ago and they now have about 100 students, of whom 35 are Juniors and Seniors. According to Greg, about 25% of their graduates find jobs in the National Weather Service, 30% in private weather companies such as Meteorlogix and 30% go on to graduate schools. Over the years, their students have given outstanding presentations at our meetings. The two scheduled presentations are Jeff Buck; "Study of a well defined thunderstorm: mesoanalysis of 28, July 2002 convective outbreak" Kristen George; "Microbial CO2 flux in the organic and mineral soil: comparing species composition and stand age” (this was her summer project as part of a Research Experience for Undergraduates completed at the University of Michigan Biological Station) Comments from our Chapter President Rich Naistat Last month’s meeting featured a fine talk by Bill Togstad on near-storm environment for F2 and greater tornadoes. As a service to those of you who could not attend, Bill’s presentation (without audio) is available at http://www.crh.noaa.gov/mpx/soo/ams/msp_au~1.pdf One of the topics discussed at the last meeting was ways to increase membership and attendance at our meetings. One possibility for increasing our visibility is to co-sponsor (or partially co-sponsor) the 10th Annual Northern Plains Convective Workshop to be held at the University of St. Thomas March 21-23, 2005. The 9th Annual Northern Plains Convective Workshop, held in Sioux Falls, was sponsored by both the local National Weather Service WFO and the local AMS chapter. Here’s a very tentative schedule for the Workshop, along with possible chapter involvement: Monday, March 21st Noon - 5 PM. Registration and possibly presentations. AMS chapter assists (staffs) registration area. 5 PM -7 PM. Registration continues. Attendees are on their own for dinner. 7 PM - 10 PM. Spotter video. Open to the public? Perhaps this is a chance for our chapter to reach out to the larger meteorological community. Tuesday, March 22nd Noon - 5 PM. Presentations. May be restricted to registered attendees. 5 PM -7 PM. Catered dinner available on-site at your expense. 7 PM -10 PM. Featured presentation or workshop by Jon Davies, noted storm researcher. Wednesday, March 23rd 9 AM - Noon. More presentations and closing remarks. Does the local chapter fit into this? Please let me know at [email protected] Message from Secretary/Treasurer Chris Bovitz As Rich mentioned, we discussed at the September meeting the need to increase membership of our chapter and attendance of the meetings. This something I feel is important for our group. There are a lot of people out there who have more than a passing interest in weather and meteorology. We need to find them and let them know we're here and they're welcome to join us. I propose the creation of a membership committee, comprised of at least four people whose tasks would include, among other thing: • Thinking of ways to increase membership • Thinking of ways to increase meeting attendance • Revamping the web site • Planning and coordinating these efforts • Enlisting the help of the other chapter members with these efforts • Anything else which would help to increase our presence in the Twin Cities • Report their efforts monthly to the rest of the chapter To get you started, here are some ideas that have been brought up: • A presence at the State Fair and county fairs • A themed-presence at Renaissance festivals ("If ye oxen tail be swinging, the weather be windy") • A booth at local boating, camping, and outdoors shows • Door prizes at meetings • Piggy-back with the NWS at events, such as Federal Government day at the Mall of America • A “slide show” social night during the summer where members show their favorite weather-related videotapes or slides The committee members would make the plans and coordinate with those who need to be coordinated with and enlist the help of our members. I would like to think that this could be less drudgery and more fun. The more fun and enthusiasm you can bring, the better it will be for everyone. Since we’ll be in St. Cloud in October, let's get together at the November meeting. We can either get things going via e-mail, or start things after the regular meeting. If you are interested, drop me a line at [email protected] or [email protected]. Let's make it our goal to be the weather group in the Twin Cities. If you're into weather, this is the place to be. 2 ‘REACH FOR THE SKY AND COLLECT STAMPS!’ WITH CLOUDSCAPES DURING NATIONAL STAMP COLLECTING MONTH Collaboration with The Weather Channel, American Meteorological Society and National Weather Service The cloud types shown on the stamp pane are: Cirrus radiatus, Cirrostratus fibratus, Cirrocumulus undulatus, Cumulonimbus mammatus, Cumulonimbus incus, Altocumulus stratiformis, Altostratus translucidus, Altocumulus undulatus, Altocumulus castellanus, Altocumulus lenticularis, Stratocumulus undulatus, Stratus opacus, Cumulus humilis, Cumulus congestus and Cumulonimbus with tornado. WASHINGTON – The world’s most popular hobby will rise to greater heights when the U.S. Postal Service issues the 37-cent Cloudscapes commemorative postage stamps, postal cards and philatelic collectables on Oct. 4, during the launch of National Stamp Collecting Month. This year’s theme, “Reach for the Sky and Collect Stamps!” includes an alliance with The Weather Channel, the American Meteorological Society and the National Oceanic and Atmospheric Administration’s National Weather Service to educate stamp collectors about atmospheric sciences. "With these spectacular images, we've captured the wonder of nature and the power of the world's weather to shape our lives and our land," said William Johnstone, Secretary, Board of Governors, U.S. Postal Service. "These cloudscapes are beautiful reminders of our ties to the larger environment we live in — an environment of air and water that sustains us all." The Cloudscapes stamp sheet includes 15 stamps based on photographs of nine cloud formations and are arranged on the stamp pane according to altitude. Information about each cloud is on the back of the pane 3 behind the stamp. A booklet of twenty 23-cent Cloudscape stamped postal-card booklets of the 15 stamp designs also will be issued. The Weather Channel (weather.com), the American Meteorological Society (AMS) (ametsoc.org) and the National Oceanic and Atmospheric Administration’s National Weather Service (weather.gov) will include the Cloudscapes stamps to promote atmospheric sciences. Many of the nation’s television meteorologists, as AMS members, will highlight the stamps during their televised October forecasting segments, and incorporate the Cloudscapes stamps into their community outreach initiatives. The Cloudscapes stamps also will be included in the National Weather Service’s outreach programs. KEITH L. SEITTER NAMED EXECUTIVE DIRECTOR OF THE AMERICAN METEOROLOGICAL SOCIETY Dr. Keith L. Seitter has been named Executive Director of the American Meteorological Society (AMS), the nation’s leading professional society for those involved in the atmospheric and related sciences. As Executive Director, Seitter is responsible for the daily operations of the Society, which has more than 11,000 members around the world. Seitter is replacing Dr. Ronald D. McPherson, who served as Executive Director since October of 1998. A native of Marion, Ohio, Seitter has served as served as deputy executive director of the Society since 1999 and has been on the AMS staff for more than a decade. He first joined the AMS in the early 1990s as assistant to the executive director, serving in the role of leading the Society’s publications department. Seitter began his new position on Sept. 15. As Executive Director, Seitter oversees all aspects of the AMS including the publication of nine peer- reviewed scientific journals; the administration of more than 25 scholarships and fellowships to support students pursuing careers in the atmospheric and related oceanic and hydrologic sciences; the Society’s broad educational initiatives that train thousands of teachers each year in the atmospheric science curriculum; and the organization of more than a dozen scientific conferences each year. The AMS also administers two professional certification programs, the Radio and Television Seal of Approval and the Certified Consulting Meteorologist programs, and many other programs. Before joining the AMS, Seitter was on the faculty at the University of Lowell, now University of Massachusetts at Lowell. He earned his undergraduate degree in meteorology at the Pennsylvania State University and a doctorate in geophysical sciences at the University of Chicago. Seitter had a postdoctoral appointment at the Air Force Geophysical Laboratory at Hanscom Air Force Base before moving to the University of Lowell.
Recommended publications
  • Äikesega) Kaasnevad Ohtlikud Ilmanähtused
    TALLINNA TEHNIKAÜLIKOOL Eesti Mereakadeemia Merenduskeskus Veeteede lektoraat Raldo Täll RÜNKSAJUPILVEDEGA KAASNEVAD OHTLIKUD ILMANÄHTUSED LÄÄNEMEREL Lõputöö Juhendajad: Jüri Kamenik Lia Pahapill Tallinn 2016 SISUKORD SISUKORD ................................................................................................................................ 2 SÕNASTIK ................................................................................................................................ 4 SISSEJUHATUS ........................................................................................................................ 6 1. RÜNKSAJUPILVED JA ÄIKE ............................................................................................. 8 1.1. Äikese tekkimine ja areng ............................................................................................. 10 1.1.1. Äikese arengustaadiumid ........................................................................................ 11 1.2. Äikeste klassifikatsioon ................................................................................................. 14 1.2.1. Sünoptilise olukorra põhine liigitus ........................................................................ 14 1.2.2. Äikese seos tsüklonitega ......................................................................................... 15 1.2.3. Organiseerumispõhine liigitus ................................................................................ 16 2. RÜNKSAJUPILVEDEGA (ÄIKESEGA) KAASNEVAD OHTLIKUD ILMANÄHTUSED
    [Show full text]
  • International Atlas of Clouds and of States of the Sky
    INTERNATIONAL METEOROLOGICAL COMMITTEE COMMISSION FOR THE STUDY OF CLOUDS International Atlas of Clouds and of States of the Sky ABRIDGED EDITION FOR THE USE OF OBSERVERS PARIS Office National Meteorologique, Rue de I'Universite, 176 193O International Atlas of Clouds and of States of the Sky THIS WORK FOR THE USE OF OBSERVERS CONSISTS OF : 1. This volume of text. 2. An album of 41 plates. It is an abreviation of the complete work : The International Atlas of Clouds and of States of the Sky. It is published thanks to the generosity of The Paxtot Institute of Catalonia. INTERNATIONAL METEOROLOGICAL COMMITTEE COMMISSION FOR THE STUDY OF CLOUDS International Atlas of Clouds and of States of the Sky ABRIDGED EDITION FOR THE USE OF OBSERVERS Kon. Nad. Metoor. Intl. De Bilt PARIS Office National Meteorologique. Rue de I'Universite. 176 193O In memory of our Friend A. DE QUERVAIN Member of the International Commluion for the Study of Cloudt INTRODUCTION Since 1922 the International Commission for the Study of Clouds has been engaged in studying the classification of clouds for a new International Atlas. The complete work will appear shortly, and in it will be found a history of the undertaking. This atlas is only a summary of the complete work, and is intended for the use of observers. The necessity for it was realised by the Inter- national Conference of Directors, in order to elucidate the new inter- national cloud code; this is based on the idea of the state of the sky, but observers should be able to use it without difficulty for the separate analysis of low, middle, and high clouds.
    [Show full text]
  • Convection Questions.Cdr
    Name: _________________________ Sketch the four stages of thunderstorm development in the boxes below. This is not an art project, but give it a decent effort. For each cloud sketch, include the arrows showing the direction of the air movement going on - both in the cloud and near the ground (include both updrafts and downdrafts). Illustrate any processes going on inside the cloud. Cumulus mediocris Cumulus congestus (prior to ice formation) Cumulonimbus calvus Cumulonimbus incus Questions: 1. In the morning, you see some cumulus humilus. A few hours later (around noon), you still see cumulus humilus, with a few cumulus mediocris here and there. Later that afternoon, you look again and the sky is still littered with cumulus humilus and mediocris. Although the clouds are clearly moving around and changing shape, they really don't look any different than they did this morning. What can you conclude from this observation? A. The air is mostly Stable / Unstable (pick one) B. Thunderstorms are Likely / Unlikely (pick one) 2. In the morning, you see some cumulus humilus. A few hours later (around noon) you see a lot of cumulus congestus and some cumulus castellanus. What can you conclude from this observations? A. The air is mostly Stable / Unstable (pick one) B. Thunderstorms are Likely / Unlikely (pick one) 3. You are watching the local news and the weather reporter says that "Unstable air is moving into New Mexico for the next few days." What kind of weather do you expect in the next few days? A. Clear skies. B. Maybe some scattered cumulus but nothing else.
    [Show full text]
  • The Ten Different Types of Clouds
    THE COMPLETE GUIDE TO THE TEN DIFFERENT TYPES OF CLOUDS AND HOW TO IDENTIFY THEM Dedicated to those who are passionately curious, keep their heads in the clouds, and keep their eyes on the skies. And to Luke Howard, the father of cloud classification. 4 Infographic 5 Introduction 12 Cirrus 18 Cirrocumulus 25 Cirrostratus 31 Altocumulus 38 Altostratus 45 Nimbostratus TABLE OF CONTENTS TABLE 51 Cumulonimbus 57 Cumulus 64 Stratus 71 Stratocumulus 79 Our Mission 80 Extras Cloud Types: An Infographic 4 An Introduction to the 10 Different An Introduction to the 10 Different Types of Clouds Types of Clouds ⛅ Clouds are the equivalent of an ever-evolving painting in the sky. They have the ability to make for magnificent sunrises and spectacular sunsets. We’re surrounded by clouds almost every day of our lives. Let’s take the time and learn a little bit more about them! The following information is presented to you as a comprehensive guide to the ten different types of clouds and how to idenify them. Let’s just say it’s an instruction manual to the sky. Here you’ll learn about the ten different cloud types: their characteristics, how they differentiate from the other cloud types, and much more. So three cheers to you for starting on your cloud identification journey. Happy cloudspotting, friends! The Three High Level Clouds Cirrus (Ci) Cirrocumulus (Cc) Cirrostratus (Cs) High, wispy streaks High-altitude cloudlets Pale, veil-like layer High-altitude, thin, and wispy cloud High-altitude, thin, and wispy cloud streaks made of ice crystals streaks
    [Show full text]
  • Karen Blouin
    University of Alberta Lightning prediction models for the province of Alberta, Canada by Karen Blouin A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of requirements for degree of Master of Science in Forest Biology and Management Department of Renewable Resources © Karen Blouin Spring 2014 Edmonton, Alberta Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission. ABSTRACT Lightning is widely acknowledged as a major cause of wildland fires in Canada. On average, 250,000 cloud-to-ground lightning strikes occur in Alberta every year. Lightning-caused wildland fires in remote areas have considerably larger suppression costs and a much greater chance of escaping initial attack. Geographic and temporal covariates were paired with Reanalysis and Radiosonde observations to generate a series of 6-hour and 24-hour lightning prediction models valid from April to October. These models, based on cloud-to-ground lightning from the CLDN, were developed and validated for the province of Alberta, Canada. The ensemble forecasts produced from these models were most accurate in the Rocky Mountain and Foothills Natural Regions achieving hits rates of ~85%.
    [Show full text]
  • Thunderstorms • a Thunderstorm, Also Known As: – an Electrical Storm, – a Lightning Storm, – Thundershower Or – Simply a Storm
    Thunderstorms • A thunderstorm, also known as: – an electrical storm, – a lightning storm, – thundershower or – simply a storm • It is a form of turbulent weather characterized by the presence of lightning and its acoustic effect on the Earth‘s atmosphere known as thunder. • The meteorologically assigned cloud type associated with the thunderstorm is the cumulonimbus. • Thunderstorms are usually accompanied by – strong winds, – heavy rain and – sometimes snow, sleet, hail, or no precipitation at all. – Those that cause hail to fall are called hailstorms. • Thunderstorms result from the rapid upward movement of warm, moist air. They can occur inside warm, moist air masses and at fronts. • As the warm, moist air moves upward, it cools, condenses, and forms cumulonimbus clouds that can reach heights of over 20 km. • As the rising air reaches its dew point, water droplets and ice form and begin falling the long distance through the clouds towards the Earth's surface. • As the droplets fall, they collide with other droplets and become larger. • The falling droplets create a downdraft of air that spreads out at the Earth's surface and causes strong winds associated commonly with thunderstorms. • Thunderstorms form most frequently within areas located at mid-latitude when warm moist air collides with cooler air. • Stronger thunderstorm cells are capable of producing tornadoes and waterspouts. • A 1953 study found that the average thunderstorm over several hours expends enough energy to equal 50 A-bombs of the type that was dropped on Hiroshima, Japan during World War Two. Life cycle • Generally, thunderstorms require three conditions to form: – Moisture – An unstable airmass – A lifting force (heat) • All thunderstorms, regardless of type, go through three stages: – the developing stage, – the mature stage, and – the dissipation stage.
    [Show full text]
  • Computational Models for the Prediction of Severe Thunderstorms Over East Indian Region
    COMPUTATIONAL MODELS FOR THE PREDICTION OF SEVERE THUNDERSTORMS OVER EAST INDIAN REGION Thesis submitted by LITTA A J in partial fulfilment of the requirements for the award of the degree of DOCTOR OF PHILOSOPHY Under the Faculty of Technology DEPARTMENT OF COMPUTER SCIENCE Cochin University of Science and Technology Cochin - 682 022, Kerala, India November 2013 COMPUTATIONAL MODELS FOR THE PREDICTION OF SEVERE THUNDERSTORMS OVER EAST INDIAN REGION Ph.D Thesis Author: Litta A J Department of Computer Science Cochin University of Science and Technology Cochin - 682 022, Kerala, India [email protected] Supervisor: Dr. Sumam Mary Idicula Professor and Head Department of Computer Science Cochin University of Science and Technology Cochin - 682 022, Kerala, India [email protected] November 2013 CERTIFICATE This is to certify that the work presented in this thesis entitled “Computational Models for the Prediction of Severe Thunderstorms over East Indian Region” submitted to Cochin University of Science and Technology, in partial fulfilment of the requirements for the award of the Degree of Doctor of Philosophy in Computer Science is a bonafide record of research work done by Litta A. J. in the Department of Computer Science, Cochin University of Science and Technology, under my supervision and guidance and the work has not been included in any other thesis submitted previously for the award of any degree. Kochi Dr. Sumam Mary Idicula November 2013 (Supervising Guide) Declaration I hereby declare that the work presented in this thesis entitled “Computational Models for the Prediction of Severe Thunderstorms over East Indian Region” submitted to Cochin University of Science and Technology, in partial fulfilment of the requirements for the award of the Degree of Doctor of Philosophy in Computer Science is a record of original and independent research work done by me under the supervision and guidance of Dr.
    [Show full text]
  • Nephology with Dr. Rachel Storer Ologies Podcast February 5, 2020
    Nephology with Dr. Rachel Storer Ologies Podcast February 5, 2020 Oh Heeeyyy, it’s that lady who’s both a stranger and also your internet Dad, Alie Ward. Back with a light and fluffy episode of Ologies. Okay, this is a big one! It has been looming overhead since the first time I encountered a list of possible ologies. This was over a decade ago, and I remember seeing nephology and thinking immediately like, “Who does that? Who is one?” And it was on my mind like a puffy thought bubble over my head so much that if you listen to the ending theme music, you will hear: [clip of theme music: “... meteorology... olfactology... nephology…] So, of course you know I’m pumped as hell to get my head into the clouds for this. But first, per usual, thank you to everyone on Patreon supporting the show and to everyone sporting Ologies gear from OlogiesMerch.com. And if you want to contribute - for zero dollars - you can just make sure you’re subscribed. Just do that. You can text, like, three friends. Tell them, “Hey, listen to this dumb show.” You can rate it on Apple Podcasts, you can leave a review - which keeps it among the NPR beasts at the top of the charts - and also you know I read ‘em all, ‘cause I’m a creep. And this week, thank you to Asla0219 for this one. They said: This podcast is insanely interesting even when the topic is something I don’t typically have an interest in. Super smart people making super complicated information much more accessible.
    [Show full text]
  • Convection Questions KEY.Cdr
    Sketch the four stages of thunderstorm development in the boxes below. This is not an art project, but give it a decent effort. For each cloud sketch, include the arrows showing the direction of the air movement going on - both in the cloud and near the ground (include both updrafts and downdrafts). Show precipitation if there is any. If you are stuck, look at some pictures of these clouds on the internet for inspiration - grab one of the classroom computers if you need to. For each stage refer to your notes. I drew each one of these stages during class. Make sure your drawing includes arrows showing air direction and any processes occurring inside the cloud. Cumulus mediocris Cumulus congestus Cumulonimbus calvus Cumulonimbus incus Questions: 1. In the morning, you see some cumulus humilus. A few hours later (around noon), you still see cumulus humilus, with a few cumulus mediocris here and there. Later that afternoon, you look again and the sky is still littered with cumulus humilus and mediocris. Although the clouds are clearly moving around and changing shape, they really don't look any different than they did this morning. What can you conclude from this observation? A. The air is mostly Stable / Unstable (pick one) B. Thunderstorms are Likely / Unlikely (pick one) 2. In the morning, you see some cumulus humilus. A few hours later (around noon) you see a lot of cumulus congestus and some cumulus castellanus. What can you conclude from this observations? A. The air is mostly Stable / Unstable (pick one) B. Thunderstorms are Likely / Unlikely (pick one) 3.
    [Show full text]
  • O Burzach I Mechanizmie Ich Powstawania Słów Kilka Gawęda O Burzach
    Skywarn Polska O burzach i mechanizmie ich powstawania słów kilka Gawęda o burzach Piotr Szuster 5/22/2013 2 SZUSTER Piotr Skywarn Polska - Polscy Łowcy Burz http://www.lowcyburz.pl http://www.retsuz.cba.pl [email protected] 3 4 Słowo od autora Ta krótka publikacja powstała w celu zaznajomienia Czytelnika z podstawowymi informacjami na temat zjawisk burzowych. Zawarto tutaj opisy procesów generujących burze, formacji chmurowych, zjawisk towarzyszących, mechanizmu powstania wyładowao atmosferycznych, zjawisk ekstremalnych. Jej celem jest przekazanie Czytelnikowi informacji w sposób ciągły i zrozumiały. Nie będę poświęcał dużo miejsca poszczególnym procesom i ich dokładnej charakterystyce, gdyż na poszczególne tematy powstało wiele pozycji literatury fachowej. To nie jest encyklopedia. Publikację należy traktowad jako swoisty wstęp w „zagajniczek” informacji o zjawiskach burzowych. Miłej lektury. Piotr „Retsuz” Szuster 5 6 Burza to zjawisko pogodowe charakteryzujące się obecnością wyładowao atmosferycznych i towarzyszącym im grzmotom. Burzom zazwyczaj towarzyszą obfite opady deszczu, silne porywy wiatru, niekiedy grad lub śnieg. W niektórych przypadkach nie występuje żaden opad. Cumulonimbusy to chmury o budowie pionowej, których wysokośd dochodzi w Polsce do 16 kilometrów. Sprzyjające warunki do rozwoju tych chmur panują w naszym kraju najczęściej od kwietnia do października. Burza to przepiękne zjawisko - spektakl wyładowao atmosferycznych, którym często towarzyszą opady deszczu i gradu. Wiele osób ogarnia strach na ich widok, jednak są także tacy, których fascynuje to zjawisko. Ja należę do tego drugiego grona, dlatego omówię w tej publikacji najważniejsze zagadnienia dotyczące burz. Procesy wywołujące zjawiska burzowe Burze możemy zasadniczo podzielid na dwa typy: burze wewnątrzmasowe i frontalne. Te pierwsze dodatkowo dzielą się jeszcze na termiczne i adwekcyjne. Podczas słonecznej aury słooce nagrzewa powierzchnię ziemi, która przekazuje częśd energii cieplnej do przypowierzchniowej warstwy powietrza.
    [Show full text]
  • Small Lightning Flashes from Shallow Electrical Storms on Jupiter
    Small lightning flashes from shallow electrical storms on Jupiter Heidi Becker, James Alexander, Sushil Atreya, Scott Bolton, Martin Brennan, Shannon Brown, Alexandre Guillaume, Tristan Guillot, Andrew Ingersoll, Steven Levin, et al. To cite this version: Heidi Becker, James Alexander, Sushil Atreya, Scott Bolton, Martin Brennan, et al.. Small lightning flashes from shallow electrical storms on Jupiter. Nature, Nature Publishing Group, 2020, 584(7819), pp.55-58. 10.1038/s41586-020-2532-1. hal-03058480 HAL Id: hal-03058480 https://hal.archives-ouvertes.fr/hal-03058480 Submitted on 4 Jan 2021 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Confidential manuscript submitted to Nature 1 2 3 4 5 6 Small Jovian lightning flashes indicating shallow electrical storms 7 Heidi N. Becker1*, James W. Alexander1, Sushil K. Atreya2, Scott J. Bolton3, Martin J. Brennan1, 8 Shannon T. Brown1, Alexandre Guillaume1, Tristan Guillot4, Andrew P. Ingersoll5, Steven M. 9 Levin1, Jonathan I. Lunine6, Yury S. Aglyamov6, Paul G. Steffes7 10 9 March 2020 11 12 1 Jet Propulsion
    [Show full text]
  • This Is the Peer Reviewed Version of the Following Article: Hoose, C., Karrer, M., & Barthlott, C. (2018). Cloud Top Phase
    This is the peer reviewed version of the following article: Hoose, C., Karrer, M., & Barthlott, C. (2018). Cloud top phase distributions of simulated deep convective clouds. Journal of Geophysical Research: Atmospheres, 123, which has been published in final form at https://doi.org/10.1029/2018JD028381. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. Confidential manuscript submitted to JGR-Atmospheres 1 Cloud top phase distributions of simulated deep convective 2 clouds 1;∗ 1;∗ 1 3 C. Hoose , M. Karrer , C. Barthlott 1 4 Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Karlsruhe, Germany 5 Key Points: 6 • Cloud top phase distributions of deep convective clouds differ systematically from 7 in-cloud phase distributions. 8 • The phase distributions contain fingerprints of primary and secondary ice formation 9 processes. 10 • Coarse-graining and co-variation of the cloud dynamics diminish these fingerprints of 11 microphysical processes. ∗These authors contributed equally to the manuscript. Corresponding author: Corinna Hoose, [email protected] –1– Confidential manuscript submitted to JGR-Atmospheres 12 Abstract 13 Space-based observations of the thermodynamic cloud phase are frequently used for the 14 analysis of aerosol indirect effects and other regional and temporal trends of cloud proper- 15 ties; yet, they are mostly limited to the cloud top layers. This study addresses the informa- 16 tion content in cloud top phase distributions of deep convective clouds during their growing 17 stage. A cloud-resolving model with grid spacings of 300 m and lower is used in two differ- 18 ent setups, simulating idealized and semi-idealized isolated convective clouds of different 19 strengths.
    [Show full text]