Program: 15th Conference on Planned and Inadvertent Weather Modification (The 81st AMS Annual Meeting)

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Saturday, 13 January 2001

7:30 AM-9:00 AM: Saturday, 13 January 2001

Workshop Registration

Sunday, 14 January 2001

7:30 AM-9:30 AM: Sunday, 14 January 2001

Short Course Registration

9:00 AM-6:00 PM: Sunday, 14 January 2001

Conference Registration

Monday, 15 January 2001

7:30 AM-7:30 AM: Monday, 15 January 2001

Session

Registration continues through Thursday, 18 January

Host: 15th Conference on Planned and Inadvertent Weather Modification

10:00 AM-10:30 AM: Monday, 15 January 2001

Coffee Break

5:00 PM-5:00 PM: Monday, 15 January 2001

Oral Sessions end for the day

5:30 PM-7:30 PM: Monday, 15 January 2001

Formal Opening of Exhibits with Reception (Cash Bar)

Tuesday, 16 January 2001

10:00 AM-2:00 PM: Tuesday, 16 January 2001

Exhibit Hours

12:15 PM-12:15 PM: Tuesday, 16 January 2001

Annual Meeting Luncheon

12:15 PM

Details on Luncheon Speakers

Jim Hartz and Rick Chappell

2:15 PM-3:00 PM: Tuesday, 16 January 2001

Session 1

Cloud Seeding Technology

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Roland List, Univ. of Toronto

2:15 PM

1.1

Overview of Weather Modification Programs in the World

Roelof T. Bruintjes, NCAR, Boulder, CO

2:45 PM

1.2

Criteria For Assessing Rain Enhancement

Roland List, University of Toronto, Toronto, ON, Canada

3:00 PM-4:43 PM: Tuesday, 16 January 2001

Session 2

Cloud seeding Technology for Severe Thunderstorms

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Roland List, Univ. of Toronto

2.2

HAIL SUPPRESSION PROGRAM IN LEÓN (PALA) FROM 1986 TO 1999: SPATIAL DISTRIBUTION OF THE HAIL PRECIPITATION IN SEEDING PERIODS AND PERIODS WITH NO SEEDING ACTIVITIES

3:01 PM

2.3

An overview of the Mendoza hail suppression program 2000

Terry W. Krauss, Weather Modification Inc., Fargo, ND; and V. Makitov

3:16 PM

2.4

Aircraft measured microstructure of severe hailstorms in Argentina from cloud base to -45^oC

Daniel Rosenfeld, The Hebrew University of Jerusalem, Jerusalem, Israel; and W. L. Woodley and T. W. Krauss

2.5

Towards a tornado suppression system

3:31 PM

2.6

General Discussion

3:46 PM

2.2a

Exhibit Hours (3:30–7:00 p.m.)

3:47 PM

2.2b

Coffee Break

3:30 PM-7:00 PM: Tuesday, 16 January 2001

Exhibit Hours

5:30 PM-7:00 PM: Tuesday, 16 January 2001

Grand Poster Night

Wednesday, 17 January 2001

8:00 AM-9:30 AM: Wednesday, 17 January 2001

President's Symposium

10:00 AM-10:00 AM: Wednesday, 17 January 2001

President's Symposium Continued

1:30 PM-3:15 PM: Wednesday, 17 January 2001

Session 3

Cloud Seeding Technology for Precipitation Enhancement

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Thomas Henderson, Atmospherics Incorporated

1:30 PM

3.1

Review of glaciogenic seeding experiments to enhance rainfall (Invited Presentaion)

Bernard A. Silverman, Englewood, CO

2:00 PM

3.2

Ice Nucleus Aerosols: Compositional Influences on Activities and Rates of Ice Crystal Formation

William G. Finnegan, DRI, Reno, NV

2:15 PM

3.3

Flexible Experimental Units and Cloud Stimulations in the Italian Rain Enhancement Project

Abele Nania, TECNAGRO, Rome, Italy

2:30 PM

3.4

The feasibility of cloud seeding in the North Platte river basin headwaters to increase mountain snowfall

Jonnie G. Medina, U. S. Bureau of Reclamation, Denver, CO

2:45 PM

3.4a

General Discussion

3:00 PM

3.4b

Coffee Break

3:30 PM-5:30 PM: Wednesday, 17 January 2001

Session 4

Review of recent hygroscopic seeding experiments and evaluation methods for seeding experiments

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Fernando Garcia-Garcia, Centro de Ciencias de la Atmosfera-UNAM

3:30 PM

4.1

An independent statistical reevaluation of the South African hygroscopic flare seeding experiment

Bernard A. Silverman, Englewood, CO

3:45 PM

4.2

Chalermprakiat Royal Rain-making Research Project

Warawut Khantiyanan, Bureau of Royal Rainmaking and Agricultural Aviation, Bangkok, Thailand; and W. Sukarnjanaset and N. Tantiplubthong

4:00 PM

4.3

Results of the Thailand Warm Cloud Hygroscopic Particle Seeding Experiment

Bernard A. Silverman, Englewood, CO; and W. Sukarnjanaset

4:15 PM

4.4

Overview and results from the Mexican hygroscopic seeding experiment

Roelof T. Bruintjes, NCAR, Boulder, CO; and D. W. Breed, V. Salazar, M. Dixon, T. Kane, B. G. Foote, and B. G. Brown

4:30 PM

4.5

Statistical evaluation of a cloud seeding experiment in coahuila, mexico

Tressa L. Fowler, NCAR, Boulder, CO; and B. G. Brown and R. T. Bruintjes

4:45 PM

4.6

Testing of Hygroscopic Flares for Particle Size Generation

Gregory L. Kok, NCAR, Boulder, CO; and R. T. Bruintjes

5:00 PM

4.7

Report on WMO Workshop on Hygroscopic Seeding and Future Plans

Roelof T. Bruintjes, NCAR, Boulder, CO; and B. G. Foote

5:15 PM

4.8

General Discussion

5:00 PM-5:00 PM: Wednesday, 17 January 2001

Sessions end for the day

6:00 PM-6:00 PM: Wednesday, 17 January 2001

Reception (Cash Bar)

7:30 PM-9:00 PM: Wednesday, 17 January 2001

AMS Annual Awards Banquet

Thursday, 18 January 2001

8:30 AM-10:00 AM: Thursday, 18 January 2001

Session 5

Physical evidence on the effects of weather modification programs including area and hydrology aspects, pollution effects on cloud microphysical parameters and processes

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Melanie Wetzel, DRI/Univ. of Nevada

8:30 AM

5.1

Aircraft Documentation of Microphysical Seeding Signatures in Argentine Clouds

William L. Woodley, Woodley Weather Consultants, Littleton, CO; and D. Rosenfeld and T. W. Krauss

8:45 AM

5.2

Satellite observations of the microstructure of natural and seeded severe hailstorms in Argentina and Alberta

Daniel Rosenfeld, The Hebrew University of Jerusalem, Jerusalem, Israel; and W. L. Woodley and T. W. Krauss

9:00 AM

5.3

Microphysical characteristics of convective clouds in northern Mexico and impacts on hygroscopic seeding experiments

Daniel Breed, NCAR/RAL, Boulder, CO; and R. T. Bruintjes and V. Salazar

9:15 AM

5.4

Calculations of the effect of seeding material from hygroscopic flares on the collision-coalescence process and the development of rainfall in clouds

Vidal Salazar, NCAR, Boulder, CO; and N. Hernández-Carrillo and R. T. Bruintjes

9:30 AM

5.5

Hydrologic and other issues related to operational cloud seeding programs

David N. Yates, University of Colorado, Boulder, CO; and R. T. Bruintjes and P. Restrepo

9:45 AM

5.6

General Discussion

10:30 AM-11:44 AM: Thursday, 18 January 2001

Session 6

Application of numerical models to weather modification topics

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Roelof Bruintjes, NCAR

10:30 AM

6.1

Application of a one-dimensional cloud and hail model to forecast maximum hailstone diameter for Mendoza, Argentina

Julian C. Brimelow, Weather Modification Inc., Red Deer, AB, Canada; and T. W. Krauss

10:45 AM

6.2

Summer convective precipitation during monsoon flow against Mexico's Sierra Madres: effects of hygroscopic seeding

Janice L. Coen, NCAR, Boulder, CO; and R. T. Bruintjes

11:00 AM

6.3

Targeting analysis of cloud seeding effects in the Santa Barbara cloud seeding program

Richard H. Stone, DRI, Reno, NV; and D. Gibbs

6.4

Inadvertent modification of coastal cloudiness associated with surface temperature changes

11:15 AM

6.5

Paper 6.5 transferred to Session 9 new paper number 9.4

11:16 AM

6.6

The use of statistics in weather experiments (Invited Presentation)

K. Ruben Gabriel, University of Rochester, Rochester, NY

11:31 AM

6.5A

The Impact of Changing the Mean Hail Diameter on Simulated Supercell Storms

Susan C. van den Heever, Colorado State University, Fort Collins, CO; and W. R. Cotton

12:00 PM-1:30 PM: Thursday, 18 January 2001

Lunch Break

1:30 PM-2:00 PM: Thursday, 18 January 2001

Session 7

Societal and economic effects of human-induced weather and climate impacts

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: K. Ruben Gabriel, Univ. of Rochester

1:30 PM

7.1

Some environmental, ethical, and economic questions related to artificial rainfall enhancement: an outsiders perspective

Michael W. Douglas, NOAA/NSSL, Norman, OK

1:45 PM

7.2

Equity Issues in Weather Modification

Constance Uliasz, Colorado State University, Fort Collins, CO

2:00 PM-3:00 PM: Thursday, 18 January 2001

Session 8

Recent developments in understanding natural cloud processes and how they might be modified

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Roelof Bruintjes, NCAR

2:00 PM

8.1

Satellite-based insights into the detrimental impact of smoke and air pollution on precipitation (Invited Presentation)

Daniel Rosenfeld, The Hebrew University of Jerusalem, Jerusalem, Israel; and W. L. Woodley

2:30 PM

8.2

Effects of smoke produced by forest fires on warm rain processes in clouds over Mexico and Indonesia

Nohemí Hernández-Carrillo, Centro de Ciencias de la Atmósfera - Universidad Nacional Autónoma de México, Del. Coyoacán, México, D.F., Mexico; and V. Salazar, F. García-García, and R. T. Bruintjes

2:45 PM

8.3

General Discussion

3:00 PM-3:30 PM: Thursday, 18 January 2001

Coffee Break

3:00 PM-6:00 PM: Thursday, 18 January 2001

Exhibit Hours

3:30 PM-5:00 PM: Thursday, 18 January 2001

Session 9

Weather and climate modification within, near, and downwind of urban areas

Host: 15th Conference on Planned and Inadvertent Weather Modification

Organizer: Roland List, Univ. of Toronto

3:30 PM

9.1

Acidic cloud episodes in the Northern Colorado Rockies: Inadvertent weather modification?

Edward E. Hindman, City College, New York, NY

3:45 PM

9.2

Lightning and Climate Modification Within, Near, and Downwind of Urban Areas

Richard E. Orville, CIAMS/Texas A&M Univ., College Station, TX; and G. R. Huffines

4:00 PM

9.3

The Impact of a Medium-sized Town and University Campus on the Local Surface Temperature Distributions

Anthony R. Lupo, University of Missouri, Columbia, MO; and P. S. Market, F. A. Akyüz, A. M. Oehl, D. Keating, W. C. Maune, and J. E. Lam

4:15 PM

9.4

METROMEX revisited (formerly paper number 6.5)

Christopher M. Rozoff, Colorado State University, Fort Collins, CO; and W. R. Cotton

4:30 PM

9.5a

Genreal Discussion

4:45 PM

9.5b

Closing Remarks

5:00 PM-5:00 PM: Thursday, 18 January 2001

Conference ends

5:00 PM-6:00 PM: Thursday, 18 January 2001

Closing Reception in Exhibit Hall (Cash Bar)

6:30 PM-6:30 PM: Thursday, 18 January 2001

Closing Keynote Address

6:30 PM

Details on Closing Keynote Address

J. M. Cousteau

7:30 PM-9:30 PM: Thursday, 18 January 2001

Fiesta

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