18th Conference on Planned and Inadvertent Weather Modification

Program Chairs: Andrew G. Detwiler , South Dakota School of Mines & Technology ; Daniel Rosenfeld , The Hebrew University of Jerusalem

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Saturday, 22 January 2011

7:30 AM-10:00 AM: Saturday, 22 January 2011


Registration for Student Conference and Short Course

Sunday, 23 January 2011

7:30 AM-9:00 AM: Sunday, 23 January 2011


Short Course Registration

9:00 AM-6:00 PM: Sunday, 23 January 2011


Registration open for Annual Meeting

12:00 PM-4:00 PM: Sunday, 23 January 2011


WeatherFest

6:00 PM-7:00 PM: Sunday, 23 January 2011


Welcome Reception Honoring Newly Elected Fellows
Location: 4E (Washington State Convention Center)

Monday, 24 January 2011

7:30 AM-5:30 PM: Monday, 24 January 2011


Registration continues through January 27

8:00 AM-5:30 PM: Monday, 24 January 2011


Weather Video Preview Theater
Location: 303 (Washington State Convention Center)

9:00 AM-10:30 AM: Monday, 24 January 2011

Recording files available
Plenary Session
Presidential Forum: Communicating Weather and Climate
Location: 6AB (Washington State Convention Center)
Hosts: (Joint between the Events; the 15th Symposium on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans and Land Surface (IOAS-AOLS); the First Conference on Transition of Research to Operations: Successes, Plans and Challenges; the Fourth Annual CCM Forum; the Special Symposium on Advances in Modeling and Analysis Using Python; the Michio Yanai Symposium; the 27th Conference on Interactive Information Processing Systems (IIPS); the 25th Conference on Hydrology; the 24th Conference on Weather and Forecasting/20th Conference on Numerical Weather Prediction; the 23rd Conference on Climate Variability and Change; the 20th Symposium on Education; the 18th Conference on Planned and Inadvertent Weather Modification; the 16th Conference on Middle Atmosphere; the 13th Conference on Atmospheric Chemistry; the Ninth Conference on Artificial Intelligence and its Applications to the Environmental Sciences; the Ninth History Symposium; the 8th Conference on Space Weather; the Seventh Annual Symposium on Future Operational Environmental Satellite Systems; the Sixth Symposium on Policy and Socio-economic Research; the 5th Symposium on Lidar Atmospheric Applications; the Fifth Conference on the Meteorological Applications of Lightning Data; the Third Symposium on Aerosol-Cloud-Climate Interactions; the Second Aviation, Range and Aerospace Meteorology Special Symposium on Weather-Air Traffic Management Integration; the Second Conference on Weather, Climate, and the New Energy Economy; the Second Symposium on Environment and Health; the More Effectively Communicating the Science of Tropical Climate and Tropical Cyclones; the Special Symposium on Applications of Air Pollution Meteorology; the IMPACTS: Weather 2010; and the 14th Conference of Atmospheric Science Librarians International )

Panel Discussion
Communicating Weather and Climate
Location: 6AB (Washington State Convention Center)
Hosts: (Joint between the 11th Presidential Forum: Communicating Weather and Climate; the More Effectively Communicating the Science of Tropical Climate and Tropical Cyclones; the Michio Yanai Symposium; the 27th Conference on Interactive Information Processing Systems (IIPS); the 25th Conference on Hydrology; the 24th Conference on Weather and Forecasting/20th Conference on Numerical Weather Prediction; the 23rd Conference on Climate Variability and Change; the 20th Symposium on Education; the 18th Conference on Planned and Inadvertent Weather Modification; the 16th Conference on Middle Atmosphere; the 15th Symposium on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans and Land Surface (IOAS-AOLS); the 13th Conference on Atmospheric Chemistry; the Ninth Conference on Artificial Intelligence and its Applications to the Environmental Sciences; the Ninth History Symposium; the 8th Conference on Space Weather; the Seventh Annual Symposium on Future Operational Environmental Satellite Systems; the Sixth Symposium on Policy and Socio-economic Research; the Fifth Conference on the Meteorological Applications of Lightning Data; the 5th Symposium on Lidar Atmospheric Applications; the Fourth Annual CCM Forum; the Third Symposium on Aerosol-Cloud-Climate Interactions; the Second Aviation, Range and Aerospace Meteorology Special Symposium on Weather-Air Traffic Management Integration; the Second Conference on Weather, Climate, and the New Energy Economy; the Second Symposium on Environment and Health; the First Conference on Transition of Research to Operations: Successes, Plans and Challenges; the Special Symposium on Advances in Modeling and Analysis Using Python; the Special Symposium on Applications of Air Pollution Meteorology; and the IMPACTS: Weather 2010 )
Panelists: Thomas E. Skilling, WGN-TV/Chicago Tribune; Claire Martin, CBC News: Weather Centre; Doyle Rice, USA Today; Martin Storksdieck, National Academy of Sciences / National Research Council
Moderator: Robert T. Ryan, NBC4 TV
9:00 AM
Panelist: Thomas E. Skilling
Thomas E. Skilling, WGN-TV, Chicago, IL

9:10 AM
Panelist: Claire Martin
Claire Martin, CBC News: Weather Centre, Vancouver, BC, Canada

9:20 AM
Panelist: Doyle Rice
Doyle Rice, USA Today, Washington, DC

9:30 AM
Panelist: Martin Storksdieck
Martin Storksdieck, National Academy of Sciences / National Research Council, Washington, DC

9:00 AM-11:00 AM: Monday, 24 January 2011


Spouses' Coffee

10:30 AM-11:00 AM: Monday, 24 January 2011


Coffee Break

11:00 AM-12:00 PM: Monday, 24 January 2011

Recording files available
Session 1
Results of Field Trials and Numerical Experiments in Planned Weather Modification - Part 1
Location: 605/610 (Washington State Convention Center)
Host: 18th Conference on Planned and Inadvertent Weather Modification
Cochairs: Roy Rasmussen, NCAR/RAL; Masataka Murakami, MRI
11:00 AM
1.1
What have we learned from over 50 years of artificial rain enhancement experiments and operations in Israel?
Zev Levin, Department of Geophysics and Planetary Sciences, Tel Aviv University, Tel Aviv, Israel; and N. Halfon and P. Alpert
11:15 AM
1.2
Microstructure of convective and orographic clouds in Israeli and their suitability for seeding
Daniel Rosenfeld, The Hebrew University of Jerusalem, Jerusalem, Israel; and E. Freud
11:45 AM
1.4
A Tool for Evaluating Modeling Studies of Planned and Inadvertent Weather Modification
Tara L. Jensen, NCAR/RAL, Boulder, CO; and T. L. Fowler, D. Breed, R. Bullock, J. H. Gotway, P. Oldenburg, and A. Holmes

12:00 PM-1:30 PM: Monday, 24 January 2011


Lunch Break

1:30 PM-2:30 PM: Monday, 24 January 2011

Recording files available
Session 2
Results of Field Trials and Numerical Experiments in Planned Weather Modification - Part 2
Location: 605/610 (Washington State Convention Center)
Host: 18th Conference on Planned and Inadvertent Weather Modification
Cochairs: Michael J. Manton, Monash University; T. Jensen, NCAR
1:30 PM
2.1
Invited Speaker: Evaluation of the Wyoming winter orographic cloud seeding program: Design of the randomized seeding experiment
Daniel Breed, NCAR/RAL, Boulder, CO; and M. Pocernich, R. Rasmussen, B. A. Boe, and B. Lawrence
1:45 PM
2.2
New insights into hydrometeor response to ground-based glaciogenic seeding of orographic clouds from profiling radar data
Bart Geerts, University of Wyoming, Laramie, WY; and Q. Miao, R. Rasmussen, D. Breed, and Y. Yang
2:00 PM
2.3
2:15 PM
2.4

2:30 PM-4:00 PM: Monday, 24 January 2011


Formal Poster Viewing with Coffee Break

Poster Session
18th Conference on Planned and Inadvertent Weather Modification-Posters
Host: 18th Conference on Planned and Inadvertent Weather Modification
905
Warm Fog Dissipation Experiment by Hygroscopic Seeding
Ki-Ho Chang, National Institute of Meteorological Research, Seoul, Korea, Republic of (South); and J. Y. Jeong, C. Lee, J. W. Cha, J. W. Jung, H. Y. Yang, J. Y. Bae, M. J. Lee, Y. H. Kim, H. Lee, and Y. J. Choi

906
Current state of cloud seeding in Korea
Chulkyu Lee, National Institute Meteorological Research/KMA, Seoul, Korea, Republic of (South); and K. H. Chang, J. W. Jung, J. W. Cha, J. Y. Jeong, H. Y. Yang, J. Y. Bae, S. K. Seo, and Y. J. Choi

4:00 PM-5:30 PM: Monday, 24 January 2011

Recording files available
Session 3
Results of Field Trials and Numerical Experiments in Planned Weather Modification - Part 3
Location: 605/610 (Washington State Convention Center)
Host: 18th Conference on Planned and Inadvertent Weather Modification
Cochairs: Zev Levin, Department of Geophysics and Planetary Sciences, Tel Aviv University; Daniel Breed, NCAR/RAL
4:30 PM
3.2
Results of a cloud seeding project in the Snowy Mountains of Australia
Michael J. Manton, Monash University, Melbourne, VIC, Australia; and L. Warren
4:45 PM
3.3
Observations of mountain-top rime icing in Utah: implications for winter season cloud seeding
David P. Yorty, North American Weather Consultants, Sandy, UT; and W. Weston, M. E. Solak, and D. A. Griffith
5:00 PM
3.4
Evaluation of snow gauges used in a winter cloud seeding experiment in complex terrain
Scott D. Landolt, NCAR, Boulder, CO; and D. Breed, R. M. Rasmussen, and S. Cristanelli

5:30 PM-7:00 PM: Monday, 24 January 2011


Reception and Exhibits Opening

7:00 PM-9:00 PM: Monday, 24 January 2011


Forecast: Communicating Weather and Climate Art Show

Tuesday, 25 January 2011

8:00 AM-5:30 PM: Tuesday, 25 January 2011


Weather Video Preview Theater
Location: 303 (Washington State Convention Center)

8:30 AM-9:00 AM: Tuesday, 25 January 2011

Recording files available
Session 4
Results of Field Trials and Numerical Experiments in Planned Weather Modification - Part 4
Location: 605/610 (Washington State Convention Center)
Host: 18th Conference on Planned and Inadvertent Weather Modification
Cochairs: Don A. Griffith, North American Weather Consultants; Sarah A. Tessendorf, NCAR
8:30 AM
4.1
Development of Hygroscopic Pyrotechnics for Warm Cloud Seeding
Yuzhong Wu Sr., Shanxi Zhongtian Rocket Technology Co.,Ltd., China, Xi'an, Shaanxi, China; and Y. Chen Sr., X. Wang, and W. Xue

8:45 AM
4.2

9:00 AM-9:45 AM: Tuesday, 25 January 2011

Recording files available
Session 5
Analyses of Results from Operational Weather Modification Programs - Part 1
Location: 605/610 (Washington State Convention Center)
Host: 18th Conference on Planned and Inadvertent Weather Modification
Cochairs: Don A. Griffith, North American Weather Consultants; Sarah A. Tessendorf, NCAR
9:00 AM
5.1
Invited Speaker: Hail damage reduction activities
Paul L. Smith, South Dakota School of Mines and Technology, Rapid City, SD; and B. A. Boe
9:15 AM
5.2
Assessment of Hail Prevention experiments and operations in Spain: comparison seeded and unseeded periods
J. L. Sánchez, University of Leon, León, León, Spain; and L. López, A. Merino, E. García-Ortega, and J. Dessens
9:30 AM
5.3
Observations of supercooled liquid water over Tasmania and the Southern Ocean
Steven T. Siems, Monash University, Monash, Victoria, Australia; and Y. Huang, A. E. Morrison, and M. J. Manton

9:00 AM-11:00 AM: Tuesday, 25 January 2011


Spouses' Coffee

9:30 AM-6:00 PM: Tuesday, 25 January 2011


Exhibit Hours

9:45 AM-11:00 AM: Tuesday, 25 January 2011


Formal Poster Viewing with Coffee Break

11:00 AM-11:45 AM: Tuesday, 25 January 2011

Recording files available
Session 6
Analyses of Results from Operational Weather Modification Programs - Part 2
Location: 605/610 (Washington State Convention Center)
Host: 18th Conference on Planned and Inadvertent Weather Modification
Cochairs: Paul Smith, South Dakota School of Mines and Technology; Richard H. Stone, RHS Consulting, Ltd.
11:00 AM
6.1
Brief description of the rain mitigation operations during Beijing 2008 Olympic opening ceremony
Qiang Zhang, Beijing Weather Modification Office, Beijing, China; and H. He, M. Huang, H. Y. Li, J. Z. Liu, X. Ma, B. P. Koloskov, and V. P. Korneev
11:15 AM
6.2
30+ WINTER SEASONS of OPERATIONAL CLOUD SEEDING in UTAH
Don A. Griffith, North American Weather Consultants, Sandy, UT; and M. E. Solak and D. P. Yorty

11:00 AM-12:00 PM: Tuesday, 25 January 2011


Bernhard Haurwitz Lecture

11:45 AM-12:00 PM: Tuesday, 25 January 2011

Recording files available
Session 7
All Other Manmade Impacts on Weather-Scale Phenomena
Location: 605/610 (Washington State Convention Center)
Host: 18th Conference on Planned and Inadvertent Weather Modification
Cochairs: Paul Smith, South Dakota School of Mines and Technology; Richard H. Stone, RHS Consulting, Ltd.
11:45 AM
7.1
Waves of destruction: The launch of SDO
Adam D. Jacobs, NASA, Millersville, PA; and W. D. Pesnell

12:00 PM-1:30 PM: Tuesday, 25 January 2011


Lunch Break

3:00 PM-3:30 PM: Tuesday, 25 January 2011


Coffee Break

Meet the President
Location: 601 (Washington State Convention Center)

Wednesday, 26 January 2011

8:00 AM-5:30 PM: Wednesday, 26 January 2011


Weather Video Preview Theater
Location: 303 (Washington State Convention Center)

9:00 AM-11:00 AM: Wednesday, 26 January 2011


Spouses' Coffee

10:00 AM-10:30 AM: Wednesday, 26 January 2011


Coffee Break

Meet the President

10:00 AM-6:30 PM: Wednesday, 26 January 2011


Exhibit Hours

12:00 PM-1:30 PM: Wednesday, 26 January 2011


Lunch Break

1:30 PM-2:30 PM: Wednesday, 26 January 2011

Recording files available
Joint Session 13
The Impacts of Cloud-Aerosol Interactions On Precipitation—Part I
Location: 605/610 (Washington State Convention Center)
Hosts: (Joint between the Third Symposium on Aerosol-Cloud-Climate Interactions; the 18th Conference on Planned and Inadvertent Weather Modification; and the 13th Conference on Atmospheric Chemistry )
Cochairs: Daniel Rosenfeld, Hebrew University; Roelof T. Bruintjes Sr., NCAR

2:30 PM-4:00 PM: Wednesday, 26 January 2011


Formal Poster Viewing with Coffee Break

Joint Poster Session 1
Aerosol, Cloud, and Climate
Location: 4E (Washington State Convention Center)
Hosts: (Joint between the Third Symposium on Aerosol-Cloud-Climate Interactions; the 18th Conference on Planned and Inadvertent Weather Modification; and the 13th Conference on Atmospheric Chemistry )
Cochairs: Yang Zhang, North Carolina State Univ.; Nicole Mölders, University of Alaska
693
Phase composition and seedability of cumulus clouds in the Camaguey meteorological site
Carlos Alberto Perez-Sanchez Sr., Camaguey Meteorological Center, Camaguey, Cuba; and D. Martinez, V. V. Petrov Sr., I. Pomares-Ponce, F. Gamboa-Romero, and B. P. Koloskov

Handout (2.8 MB)

694
Report on the Polarimetric Cloud Analysis and Seeding Test 3 (POLCAST3) Field Project
Korey Southerland, University of North Dakota, Grand Forks, ND; and D. Delene, G. Mullendore, P. A. Kucera, and D. Langerud

695
Accounting for spatiotemporal variation of rainfall measurements in detecting ground-based sources of weather modification
Raymond Chambers, University of Wollongong, Wollongong, NSW, Australia; and S. Beare and S. Peak

697
Storm duration analysis using TITAN
Logan C. Dawson, Purdue University, West Lafayette, IN; and S. Tessendorf and C. Weeks

698
Numerical simulation of the accumulation zones and hail growth in hailstorms
Kailin Zheng, Nanjing University, Nanjing, Jiangsu, China; and B. Chen

699
Comprehensive Analysis of Satellite and Other Observations from a Convective Clouds Merger
Yuquan Zhou Sr., Chinese Academy of Meteorological Science, Beijing, China; and M. Cai II

700
Urbanisation and maximum temperature
Harvey Stern, Bureau of Meteorology, Melbourne, Vic., Australia; and B. Campbell, M. Efron, J. Cornall-Reilly, and J. McBride
Manuscript (2.0 MB)

Handout (67.3 kB)

701
A Study of the Vertical Structure and Distribution of Cloud System in China from Upper-Air Observations
Yuquan Zhou Sr., Chinese Academy of Meteorological Science, Beijing, China; and J. Ou

702
Preventing Tornadogenesis—Concept for Thunderstorm Intervention
Lyle M. Jenkins, Jenkins Enterprises, Houston, TX

703
Can precipitation suppression due to anthropogenic aerosol pollution be detected using back trajectory methods?
Thomas H. Chubb, Monash University, Monash University, VIC, Australia; and S. T. Siems and M. J. Manton

704
Silver enrichment in rain from clouds in Israel under different seeding and cloud microstructure conditions
Assaf Zipori, Hebrew University, Jerusalem, Israel; and D. Rosenfeld and Y. Erel

705
Examining the Connection between Particle Hygroscopicity and Immersion Freezing
Heike Wex, Leibniz Institute for Tropospheric Research, Leipzig, Germany; and D. Niedermeier, S. Hartmann, T. Clauss, A. Kiselev, R. C. Sullivan, M. D. Petters, P. J. DeMott, P. Reitz, J. Schneider, and F. Stratmann

706
Evolution of summer thunderstorms in the Baltimore-Washington, DC metropolitan area
Cassie A. Stearns, Howard University, Washington, DC; and E. Joseph, A. E. Reynolds, G. M. Heymsfield, D. Venable, and B. B. Demoz

707
Polarimetric Radar Analysis of Hygroscopic Seeding of Clouds in Eastern North Dakota
Paul A. Kucera, NCAR, Boulder, CO; and D. Delene, C. A. Grainger, and D. Langerud

708
The effect of aerosols on the onset of precipitation
Kathryn Boyd, Colorado State University, Fort Collins, CO; and C. D. Kummerow

709
The possible effects of aerosol on cloud and precipitation over the Korean peninsula
Hwan-Jin Song, Seoul National University, Seoul, Korea, Republic of (South); and B. J. Sohn

710
Aerosol impacts on cloud properties and precipitation variability over the Mid-Atlantic Region
Megan K. Payne, Howard University, Washington, DC; and E. Joseph and J. D. Fuentes

Handout (1.3 MB)

711
Aerosol effects on precipitaiton in a multiscale aerosol climate model
Minghuai Wang, PNNL, Richland, WA; and S. J. Ghan, M. Ovchinnikov, R. Easter, X. Liu, Y. Qian, and E. I. Kassianov

714
Aerosols in the marine boundary layer at the Azores AMF
Matthew C. Wyant, Univ. of Washington, Seattle, WA; and J. K. Fletcher, C. S. Bretherton, and R. Wood

715
Marine boundary layer albedo continuum investigations utilizing active and passive remote sensing data
Louise Leahy, Univerisity of Washington, Seattle, WA; and R. Wood

716
The Earth's Energy balance inferred from A-Train observations
David Henderson, Colorado State Univ., Fort Collins, CO; and T. S. L'Ecuyer

Handout (5.8 MB)

717
Polarimetric radar analysis of rain drop size variability in clouds near Brisbane Australia
James W. Wilson, NCAR, Boulder, CO; and C. A. Knight, S. A. Tessendorf, and C. Weeks

720
Resolving both mixing and number of activated CCN in deep convective clouds
Eyal Freud, Hebrew University, Jerusalem, Israel; and D. Rosenfeld

721
Aerosol, clouds and water vapor transport across the tropopause: observations and model results
Hui Su, JPL, Pasadena, CA; and J. Jiang, X. Liu, and W. G. Read

723
Spatio-temporal variability of aerosol in the tropics and its relationship with the hydrological cycle
Manuel D. Zuluaga, Georgia Institute of Technology, Atlanta, GA; and C. D. Hoyos and P. J. Webster

724
Examining aerosol indirect effects on tropical deep convection
Rachel L. Storer, Colorado State Univ., Fort Collins, CO; and S. C. van den Heever

Handout (6.0 MB)

725
Large-eddy simulation of the VOCALS RF06 pocket of open cells: cloud macrostructure, entrainment and microphysical timescale
Andrew H. Berner, University of Washington, Seattle, WA; and C. S. Bretherton, R. Wood, and P. N. Blossey

726
The effects of aerosol and meteorological conditions on low-level shallow clouds over East Asia
In-Jin Choi, Korea Institute of Atmospheric Prediction Systems, Seoul, Korea, Republic of (South); and T. Nakajima and S. C. Yoon

727
Urban Aerosol Direct Effect on Surface Temperature
Menglin Jin, San Jose State University, San Jose, CA; and J. M. Shepherd and W. Zheng

Poster 728 moved. New Talk 3.3A scheduled for Wed. at 9:15am

732
Measurement of Interstitial Particles During the PLOWS and the GRIP Aircraft Campaigns
Arash Moharreri, Clarkson University, Potsdam, NY; and P. Dubey, L. W. Craig, A. Schanot, D. C. Rogers, D. W. Toohey, B. E. Anderson, and S. Dhaniyala

734
Numerical Study of the Impact of Aerosol-Cloud Interactions during Mesoscale Convective
Priyanka Roy, NOAA/NESDIS, College Park, MD; and Z. Boybeyi

735
Global modeling of aerosol effects on cirrus clouds
Trude Storelvmo, Yale University, New Haven, CT; and D. Barahona and A. Nenes

736
Preliminary results of an aerosol-aware bulk microphysics scheme in WRF
Gregory Thompson, NCAR, Boulder, CO; and T. Eidhammer and R. M. Rasmussen

737
Regional model simulations of aerosol-cloud interactions in the Southeast Pacific
Andreas Muhlbauer, JISAO/Univ. of Washington, Seattle, WA; and R. Wood

Handout (425.6 kB)

738
Testing sea salt injections into marine stratocumulus as a geoengineering option
Andreas Muhlbauer, JISAO/Univ. of Washington, Seattle, WA; and T. P. Ackerman and R. Wood

Handout (2.6 MB)

739
CCN estimates from bulk hygroscopic growth factors of ambient aerosols during the pre-monsoon season over Central Nepal
Prabhakar Shrestha, Duke University, Durham, NC; and A. P. Barros and A. Khlystov

741
Cloud Condensation and Ice Nuclei Impacts on Tropical Convection in Cloud Resolving Model Simulations in Radiative Convective Equilibrium
Amanda M. Sheffield, Colorado State University, Fort Collins, Colorado; and S. C. van den Heever

743
Direct and indirect radiative forcing of biomass burning aerosols at Kilimanjaro
Udaysankar S. Nair, University of Alabama, Huntsville, AL; and J. G. Fairman Jr. and S. Christopher

745
746
Potential retrieval of aerosol properties for aerosol cloud interaction studies using Aerosol Polarimetry Sensor (APS) measurements
Alexandra Tsekeri, City College of New York, New York, NY; and B. Gross, F. Moshary, and S. Ahmed
Manuscript (788.2 kB)

747
Cloud base aerosol characteristics and implications for cloud microphysics in southeast Queensland
Sarah Tessendorf, NCAR, Boulder, CO; and C. Weeks, R. Bruintjes, and D. Axisa
Manuscript (492.1 kB)

748
Cold pools and aerosols under stratocumuli
Christopher R. Terai, University of Washington, Seattle, WA; and R. Wood

Poster 750 moved. New Talk 1.3A scheduled for Mon. at 12:00pm

751
Feasibility of Space-Based Monitoring for Governance of Solar Radiation Management Activities
Leslie Wickman, The Aerospace Corp., El Segundo, CA; and P. Smith, I. Min, and S. Beck
Manuscript (335.5 kB)

Handout (678.3 kB)

4:00 PM-5:30 PM: Wednesday, 26 January 2011

Recording files available
Joint Session 14
The Impacts of Cloud-Aerosol Interactions On Precipitation—Part II
Location: 605/610 (Washington State Convention Center)
Hosts: (Joint between the Third Symposium on Aerosol-Cloud-Climate Interactions; the 18th Conference on Planned and Inadvertent Weather Modification; and the 13th Conference on Atmospheric Chemistry )
Cochairs: Wei-Kuo Tao, NASA/GSFC; Susan C. van den Heever, Colorado State Univ.
4:00 PM
J14.1
4:30 PM
J14.2
Aerosol indirect forcing on the precipitable water budget of the Tropics
Susan C. van den Heever, Colorado State University, Fort Collins, CO
4:45 PM
J14.3
Intercomparison of aerosol-cloud-precipitation interactions in stratiform orographic mixed-phase clouds
Andreas Muhlbauer, JISAO/Univ. of Washington, Seattle, WA; and T. Hashino, L. Xue, A. Teller, U. Lohmann, R. M. Rasmussen, I. Geresdi, and Z. Pan
5:00 PM
J14.4
Numerical Simulation Interaction between Drop and Ice Particles and its Influence on Formation of strong Precipitation
Ganna Pirnach, Ukrainian Hydrometeorological Institute, Kyiv, Ukraine; and T. Belyi

Handout (1.8 MB)

5:15 PM
J14.5
Modeling the role of aerosols on warm-season rainfall in a coastal urban environment
Nathan Hosannah, City University of New York, New York, NY; and J. E. González and D. E. Comarazamy

5:30 PM-6:30 PM: Wednesday, 26 January 2011


Awards Banquet Reception in the Exhibit Hall

7:00 PM-10:00 PM: Wednesday, 26 January 2011


91st AMS Awards Banquet
Location: 6ABCD (Washington State Convention Center)

Thursday, 27 January 2011

8:00 AM-5:30 PM: Thursday, 27 January 2011


Michio Yanai Symposium

Weather Video Preview Theater
Location: 303 (Washington State Convention Center)

8:30 AM-9:45 AM: Thursday, 27 January 2011

Recording files available
Joint Session 1
Modification of Marine and Supercooled Stratocumulus
Location: 605/610 (Washington State Convention Center)
Hosts: (Joint between the 18th Conference on Planned and Inadvertent Weather Modification; and the Third Symposium on Aerosol-Cloud-Climate Interactions )
Cochairs: W. R. Cotton, Colorado State University; Jerry M. Straka, Univ. of Oklahoma
8:30 AM
J1.1
Commerical aircraft Inadvertent cloud seeding
Andrew Heymsfield, NCAR, Boulder, CO; and A. Bansemer, G. Thompson, H. Morrison, R. Rasmussen, Z. Wang, D. Zhang, and P. Minnis
8:45 AM
J1.2
Simulation results of unintentional aircraft-induced cloud clearing
Gregory Thompson, NCAR, Boulder, CO; and H. Morrison, A. Heymsfield, and R. Rasmussen

9:30 AM-12:30 PM: Thursday, 27 January 2011


Exhibit Hours

9:45 AM-11:00 AM: Thursday, 27 January 2011


Formal Poster Viewing with Coffee Break

11:00 AM-12:00 PM: Thursday, 27 January 2011

Recording files available
Joint Session 4
Aerosol Impacts on Hurricanes
Location: 605/610 (Washington State Convention Center)
Hosts: (Joint between the 18th Conference on Planned and Inadvertent Weather Modification; and the Third Symposium on Aerosol-Cloud-Climate Interactions )
Cochairs: Bruce A. Albrecht, Univ. of Miami/RSMAS; Daniel Rosenfeld, Hebrew University
11:30 AM
J4.3
(Invited Speaker) Hurricane modification by cold-pool manipulation
William R. Cotton, Colorado State University, Fort Collins, CO

12:00 PM-1:30 PM: Thursday, 27 January 2011


Lunch Break

12:15 PM-1:15 PM: Thursday, 27 January 2011

Recording files available
Session
Presidential Town Hall Meeting
Location: 6A (Washington State Convention Center)
Hosts: (Joint between the Town Hall Meetings; the Events; the 14th Conference of Atmospheric Science Librarians International; the Michio Yanai Symposium; the 27th Conference on Interactive Information Processing Systems (IIPS); the 25th Conference on Hydrology; the 24th Conference on Weather and Forecasting/20th Conference on Numerical Weather Prediction; the 23rd Conference on Climate Variability and Change; the 20th Symposium on Education; the 18th Conference on Planned and Inadvertent Weather Modification; the 16th Conference on Middle Atmosphere; the 15th Symposium on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans and Land Surface (IOAS-AOLS); the 13th Conference on Atmospheric Chemistry; the Ninth Conference on Artificial Intelligence and its Applications to the Environmental Sciences; the Ninth History Symposium; the 8th Conference on Space Weather; the Seventh Annual Symposium on Future Operational Environmental Satellite Systems; the Sixth Symposium on Policy and Socio-economic Research; the Fifth Conference on the Meteorological Applications of Lightning Data; the 5th Symposium on Lidar Atmospheric Applications; the Fourth Annual CCM Forum; the Third Symposium on Aerosol-Cloud-Climate Interactions; the Second Aviation, Range and Aerospace Meteorology Special Symposium on Weather-Air Traffic Management Integration; the Second Conference on Weather, Climate, and the New Energy Economy; the Second Symposium on Environment and Health; the First Conference on Transition of Research to Operations: Successes, Plans and Challenges; the Special Symposium on Advances in Modeling and Analysis Using Python; the More Effectively Communicating the Science of Tropical Climate and Tropical Cyclones; and the Special Symposium on Applications of Air Pollution Meteorology )
12:15 PM
Ensuring Integrity in the Doing and Using of Science
Ralph Cicerone, National Academy of Sciences, Washington, DC

12:15 PM-1:30 PM: Thursday, 27 January 2011


Michio Yanai Symposium Luncheon
Location: 4C-1 (Washington State Convention Center)

1:30 PM-3:00 PM: Thursday, 27 January 2011

Recording files available
Joint Session 15
The Impacts of Cloud-Aerosol Interactions On Precipitation—Part III
Location: 605/610 (Washington State Convention Center)
Hosts: (Joint between the 18th Conference on Planned and Inadvertent Weather Modification; the Third Symposium on Aerosol-Cloud-Climate Interactions; and the 13th Conference on Atmospheric Chemistry )
Cochairs: Alexander P. Khain, Hebrew University; Andrew J. Heymsfield, NCAR
1:30 PM
J15.2
CCN effects on simulated storm electrification and precipitation
Edward R. Mansell, NOAA/NSSL, Norman, OK ; and C. L. Ziegler
2:00 PM
J15.4
2:30 PM
J15.5
Heterogeneous Freezing of Droplets with immersed Mineral Dust Particles – the Roles of Droplet Volume and Nucleation Time
Frank Stratmann, Leibniz Institute for Tropospheric Research, Leipzig, Germany; and T. Clauss, S. Hartmann, D. Niedermeier, A. Kiselev, R. A. Shaw, and H. Wex
2:45 PM
J15.6
Observations and modelings of aerosol and CCN in Northwestern China
Shengjie Niu Sr., Nanjing University of Information Science & Technology, Nanjing, jiangsu, China

3:00 PM-3:05 PM: Thursday, 27 January 2011


Registration Closes

3:00 PM-3:30 PM: Thursday, 27 January 2011


Coffee Break

Meet the President

3:30 PM-5:00 PM: Thursday, 27 January 2011

Recording files available
Joint Session 5
Land Use and Urban Impacts on Clouds and Precipitation
Location: 605/610 (Washington State Convention Center)
Hosts: (Joint between the 18th Conference on Planned and Inadvertent Weather Modification; and the Third Symposium on Aerosol-Cloud-Climate Interactions )
Cochairs: Robert Bornstein, SJSU; J. Marshall Shepherd, Univ. of Georgia
3:30 PM
J5.1
(Invited Speaker) Impacts of land-cover change on clouds and precipitation
Roni Avissar, Univ. of Miami/RSMAS, Miami, FL; and R. Walko and D. Medvigy
4:30 PM
J5.4
Direct and indirect effects of urban pollution and land-use change impacts: A comparison
Gustavo G. Carrio, Colorado State University, Fort Collins, CO; and W. R. Cotton
4:45 PM
J5.5
An Examination of the Skin-level Urban Heat Island Effect Using Satellite Observations
Menglin S. Jin, San Jose State University, San Jose, CA; and M. J. Shepherd

5:00 PM-5:05 PM: Thursday, 27 January 2011


AMS 91st Annual Meeting Adjourns