organization.
Affirmative majority vote by those replying from this group shall constitute
approval of the procedures so specified. Subsequent changes in these procedures
shall be made only after affirmative majority vote of the certified members present
at any annual meeting.
The initial Certification Committee established by the March 1967 meeting of
the WMA shall function for calendar year 1968. The length of terms of office
of the initial certification board shal be determined by lot to be staggered to
permit the appointment of one new member in each year beginning 1969. At the
end of calendar year 1968. the President shall appoint one new member of the
Certification Board. In subsequent years, a new member of the Certification
Board shall be appointed by the President each year. As specified in Article V
of the Constitution and Bylaws of the Weather Modification Association, members
of the Certification Board shall each serve three years on staggered terms. The
member of the Certification Board who has the longest tenure on the Board shall
serve as chairman.
PROCEDURE AND FEES FOR CERTIFICATION
Persons desiring certification as individuals qualified for conducting field
experiments or operations in weather modification shall write to the Secretary
of the Weather Modification Association requesting an application form and in-
720
structions. The completed application form shall be returned to the Secretary and
must be accompanied by a $25 check made payable to the Weather Modifica-
tion Association. This fee will be retained by the Weather Modification Associa-
tion whether the application is accepted or denied.
The Certification Board shall review the application form and from the infor-
mation contained therein and any other information it obtains, will determine
whether the applicant has satisfied the requirements for qualification for certi-
fication. The Certification Board may request additional information from the
applicant prior to making a final decision as to whether or not the applicant
meets the criteria for certification.
After review of the application, the Chairman of the Certification Board shall
notify the applicant of the decision of the Board. If the application is approved,
the Chairman of the Certification Board shall give the applicant a certificate to
verify that the individual has met the qualification for certification.
Unsuccessful applicants may reapply for certification not earlier than one cal-
endar year after notification of disapproval. Each subsequent application for cer-
tification shall be accompanied by a payment of the $25 fee.
PERIOD OF CERTIFICATION AND RENEWAL
Certification of a member shall be effective for a period of three years from the
date of issuance. Application for renewal of certification shall be submitted prior
to expiration date in writing and accompanied by a fee of $5. Issuance of a
renewal of certification shall be automatic upon certification by the Board that
no notification of violation of the conditions of the original certification has been
received. In the event such notice has been received, renewal will be granted if
recommended by the Board. If the Board does not recommend renewal, the case
will be presented for the consideration of the certified members at two consecu-
tive meetings. Renewal shall be denied only if two-thirds of the certified mem-
bers in attendance at the second meeting indicate by secret written ballot that
renewal shall be denied. The $5 fee will be retained whether renewal is granted or
not.
Weather Modification Association
Proposed Draft Statement on Standards and Ethics for Weather Modification
Operators 3 Prepared by Committee on Standards and Ethics, September 1977
PURPOSE
The Weather Modification Association (WMA) has adopted this statement
on ethics and standards in order to further the Association's purposes, which
inc lude but are not limited to :
1. Promoting research, development and understanding of weather modification
for beneficial uses.
2. Encouraging and promoting the highest standards of conduct.
CODE OF ETHICS
WMA members are expected to comply with the following code of ethics which
cover their relationships with the general public, their clients, and the meteoro-
logical profession.
Relationships with general public
1. The member will comply with all laws and regulations of the federal, state,
and local k'ovornmental units, particularly those laws and regulations covering
weather modification activities.
2. The member will not participate in activities detrimental to the general
public interest or which inflict undue hardship upon individuals in proposed
operational areas.
i ! r A ls t tr , ,hnt ^ & members of the Weather Modification Association at the 1977 fall meet-
liit:. October 10. 1977. Champaign, Illinois, for review and comment.
721
Relationships with clients
3 The member will not exaggerate his (her) capabilities, nor guarantee results
in terms of future weather conditions. Statements regarding the probable effects
of weather modification projects should be compatible with the current State-
ment of Capabilities" set forth by the WMA, unless they can be justified on the
basis of documented results. ^ » ^
4 Contracts where a bonus is paid for "production of rainfall over and abo\e
some arbitrary amount, such as a monthly normal, are detrimental to the devel-
opment of a sound technology, and are to be discouraged. ^
5 The member will divulge fully to clients and potential clients all chemicals
and methods used. Proprietary rights to newly developed materials or tech-
niques for cloud seeding may be established through the obtaining of patents.
Relationships with meteorological profession
6. The member will conduct himself (herself) in a manner to reflect dignity and
honor on the profession.
7. The member will keep abreast of scientific and technical developments in the
field of weather modification and will seek to incorporate improvements into his
(her) operational and research programs.
8. The member will endeavor to contribute new knowledge to the profession by
making known significant results from operational and research programs.
9. The member will not knowingly take credit for work done by others, but will
attempt to give credit where due.
10. The member will not unjustly criticize fellow workers in his (her) profes-
sion, but will refer to the Association information on apparent unethical prac-
tices on the part of other operators.
STANDARDS FOR CONDUCT OF INDIVIDUAL PROJECTS
The following standards shall apply to the conduct of both operational and
research projects :
1. Each project should have a set of clearly defined objectives. The operator
should provide as precise a statement as possible of how the objectives are to be
reached.
2. The operator will not undertake work in an area where serious conflicts might
arise from weather modification activities, without taking steps to identify and
correct such situations in advance.
3. The operator will conduct each project in such a way as to minimize danger
to the public and to the environment from the use of seeding devices, seeding
agents, and other appurtenances of his (her) trade.
4. Each project should be under the personal direction of a meteorologist with
special training or experience in weather modification field projects.
5. The project meteorologist should have access to up-to-date weather data
including, as a minimum, the weather data available through circuits of the
National Weather Service. Local atmospheric soundings, wind observations, radar
data, and telemetered precipitation data from remote sites are highly desirable
supplements.
6. Each proect should have established criteria and procedures for shutting
down operations in the face of impending severe weather to avoid contributing
to, or appearing to contribute to, damaging weather situations. The shutdown cri-
teria and procedures should be specified in advance in writing, and should take
into account existing water management practices and flood control facilities.
7. A calibration curve showing ice nuclei output should be available for each
type of cloud seeding generator used on a project.
8. Evaluations of projects are strongly encouraged, but limitations imposed
by project duration, inadequacy of observations, and so on, should be pointed
out.
Appendix O
policy statement ol me American Meteorological
society on purpose! and inadvertent modification
ol weather and climate
As adopted by the Council on January 28, 1973
Introduction
Man's ability to alter certain local weather conditions,
either purposefully or inadvertently, in some areas is
clearly established. However, most atmospheric scientists
agree that man's ability to significantly alter the atmo-
spheric environment in a purposeful manner is still in
the early stages of development. Adequate research and
operational support in the 1970s should permit major
advances in developing weather modification techniques
in the next decade.
A new statement by the American Meteorological
Society (AMS) to inform the public and to answer sci-
entific questions about weather and climate modification
is therefore timely, and also useful in setting national
scientific priorities. Specifically, four conditions have
been significantly altered since the last AMS statement,
issued in 1967, and the changes which have dictated this
new statement include: 1) advances in knowledge and
techniques of planned weather modification, 2) new
evidence of urban-related inadvertent weather or climate
modification, 3) a growing need to assess the partially de-
veloped and rapidly evolving weather modification tech-
nology in light of public interest and concerns, and 4) a
need to issue recommendations regarding essential future
weather modification efforts.
Status of planned weather modification
As we move into the 1970s there is mounting scientific
evidence that cloud seeding using ice nuclei can produce
substantial, albeit local, changes in clouds and storm
systems. Definitive success in dispersing fog and in in-
creasing rainfall and snowfall has been achieved in the
United States and elsewhere in the 1960s.
Fog. Dissipation of cold (supercooled) fogs and low
stratus is established as an operational application with
clear economic benefits. Warm fog dissipation can gen-
erally be accomplished by expensive techniques, but a
reliable and economically acceptable technique for dissi-
pating warm fogs on a local scale is not established.
Precipitation. Precipitation amounts from certain cold
orographic clouds in winter can apparently be substan-
tially increased or decreased on a predictable basis, and
thus seeding of these types of clouds for economic benefit
appears to be justified. Seeding of cold orographic clouds
sometimes increases, sometimes decreases, and sometimes
has no effect on precipitation depending on the mete-
orological conditions. Overall increases from 5 to prob-
ably 30%, depending on location, seem reasonable with
existing technology for certain mountainous areas of
the western United States. Attempts to increase pre-
cipitation from convective clouds have provided local in-
creases under certain circumstances, and under other
circumstances local decreases. Too little is known about
the physical, chemical, and dynamical processes of con-
vective precipitation to make the outcome predictable in
most areas. Precipitation increases from non-orographic
and non-convective cloud systems, such as the shallow
stratiform winter storms of the central United States,
have not been demonstrated; but in theory, at least, it
is possible to increase or relocate precipitation from such
systems. There is also some evidence that precipitation
alterations may occur 100 kilometers or more beyond the
primary seeded areas, but much more proof and a better
understanding of these "downwind effects'* are needed.
Severe Storms. Results from efforts to mitigate the de-
struction of severe storms can be classed as encouraging
but still indeterminate. Positive but unsubstantiated
claims and growing optimism best describe results from
lightning suppression efforts in the United States, recent
hail suppression programs in the United States and
abroad, and hurricane modification efforts in the At-
lantic. Less optimism surrounds the possibilities of in-
hibiting tornadoes and severe local rainstorms. Too little
controlled experimentation concerning modification of
severe storms has been conducted to provide sufficient
credible evidence of success. Recent evidence, particu-
larly that from the Soviet Union and Europe, of hail
suppression appears to make it more credible than the
evidence for the control of other forms of severe storms.
Inadvertent weather modification
There is growing worldwide concern over man's inad-
vertent modification of weather and climate. Urban-
industrial pollutants (thermal, gaseous, and particulate
emissions) have been shown to alter urban weather and
climate, and new evidence establishes that alterations
occur in clouds and precipitation from 8 to 80 kilometers
downwind of urban-industrial sources. Recent investiga-
tions of major shifts in land use practices, such as irriga-
tion and different cropping, have pointed to possible
alterations in weather and climate over substantial
regions.
1 Reprinted from the Bulletin of the American Meteorological Society, v. 54, No. 7, July
1078, pp. 094-695.
(722)
723
Man's effect on global climate is suspected, since his
activities have resulted in regional changes in the cloud
cover and surface albedo, and widespread increases in
COt concentration and particulate concentration. How-
ever, there is no clear evidence yet that these changes
have accounted for any substantial part of the climatic
fluctuations of the past century.
Public issues
Recent advances towards achieving planned "weather
management." and an awareness of the reality of inad-
vertent weather modification, make it imperative that a
great deal more be understood about their social, ecologi-
cal, and legal implications. Limited economic and eco-
logical studies of the potential effects of planned weather
modification have produced conflicting results that point
to the need for comprehensive socioeconomic studies.
Before planned weather modification becomes a widely
applied technology, comprehensive analyses of the over-
all public interests on a local, regional, national, and
international scale must be made in order to achieve
rational judgments and decisions concerning the wise use
of weather modification.
Recommendations
Significant progress in weather modification has occurred
in recent years. It has been demonstrated that man can
and does modify the weather. However, we still have
much to learn about the following subjects: 1) the exact
atmospheric conditions in which it is possible to in-
crease, decrease or relocate precipitation; 2) those tech-
niques that might reduce the damage caused by severe
storms; or 3) the extent of climatic change being pro-
duced inadvertently by man. These three items should be
included among the major goals of our national pro-
gram in weather modification, and more unified and
stronger federal programs must be developed to meet
the demands created by a society which is increasing
in size and complexity.
Some specific recommendations regarding weather
modification activities in the 1970s include:
1) development of improved numerical models of con-
vective clouds and storm systems relevant to weather
modification efforts;
2) performance of comprehensive, randomized experi-
ments involving precipitation enhancement and re-
distribution in each of the major climatic zones of the
United States in each season and for each of the prin-
cipal forms of precipitation, with provisions for evalua-
tions of downwind effects;
3) pursuance of fundamental research and field ex-
periments to ascertain means of mitigating severe storms
(thunderstorms, hail, hurricanes, and tornadoes);
4) extended research on operational warm fog dis-
persion;
5) creation and expansion of facilities and expertise
devoted to this subject, including application of current
satellite programs, cloud physics research laboratories,
laboratories for developing seeding devices and seeding
agents, instrumented vehicles for penetrating severe
storms, and statistical research groups; and
6) encouragement of programs to study inadvertent
weather modification (a) by monitoring conditions
critical to the global climate and man's well-being, in-
cluding pollutants, water vapor, cloud cover, surface
albedo, and heat balance, and (b) by measuring and
defining the influences of urban development and land-
use change on weather and climate.
For additional information
A few of many possible references were selected for this
list describing the progress in all phases of weather and
climate modification in recent years. Inclusion of a refer-
ence does not necessarily imply our sanction of the
views or findings, but indicates it is a source of addi-
tional information for the interested reader.
American Meteorological Society, 45 Beacon Street, Bos-
ton, Massachusetts 02108, 1971: Proceedings of Inter-
national Conference on Weather Modification. Can-
berra, Australia, 372 pp.
American Meteorological Society, 45 Beacon Street, Bos-
ton, Massachusetts 02108, 1972: Preprints of Third
Conference on Weather Modification. Rapid City,
S. Dak, 336 pp.
National Academy of Sciences, Printing and Publishing
Office, 2101 Constitution Avenue, Washington, D.C.
20418, 1971: The Atmospheric Sciences and Man's
Needs: Priorities for Future. Washington, D.C, 88 pp.
National Academy of Sciences. Printing and Publish-
ing Office, 2101 Constitution Avenue, Washington,
D.C. 20418 (to be published): Weather and Climate
Modification, National Policies and Programs. Wash-
ington, D.C, 417 pp.
Colorado Associated University Press, University of
Colorado, 1424 15th Street, Boulder, Colorado 80302,
1967: Man and the Quality of his Environment:
Western Resources Conference, edited by J. E. Flack
and M. C. Shipley. Boulder, Colo., 251 pp.
Lambright, W. H.: Government and technological in-
novation: Weather modification as a case in point.
Public Administration Review, 1, 1-10. 1972: Ameri-
can Society for Public Administration, 1225 Connecti-
cut Avenue, NW, Washington. D.C. 20036.
Lackner, J. D.: Precipitation Modification. National
Water Commission Report NWC-EES-7 1-005. 1971:
National Water Commission, Room 405, 800 North
Quincy, Arlington, Virginia 22203, 170 pp.
M.I.T. Press, 28 Carleton Street. Cambridge, Mass. 02142.
1971: Study of Man's Impact on the Climate (SMIC
Report), 302 pp.
World Meteorological Organization, Case Postale No.
1, CH-1211 Geneva 20, Switzerland, 1971: Present state
of knowledge and possible practical benefits in some
fields of weather modification. General Summary of
EC-XXII, Document 38, 3 pp.
Appendix P
Reporting Agencies of Member Countries and Questionnaire Cir-
culated To Receive Weather Modification Information From
Members of the World Meteorological Organization
Reporting Agencies
ARGENTINA Comiei6n Naoional de Investigaciones Eapaciales
Fuerza Aerea Argentina
1104 - Comodoro Pedro ZannJ 250
Buenos Aires
BRAZIL
Instituto de Atividades Espaciais
Divisao de Ciencias Atmosf Ericas
CTA/IAE
12000 - Sao Jose dos Campos, SP
BULGARIA
Hydrometeorological Service
Boulevard Lenin 66
Sofia
CANADA Cloud Physics Research Division
Atmospheric Environment Service
4905 Bufferin Street
Dovnsview, Ontario ^K3H 5^4
CUBA Somite de Programe Lluvia Provocada
Academia de Ciencias de Cuba
ININTEF, Calle L T o. 8
Havana 4
CZECHOSLOVAKIA Hydrometeoro logical Institute
Jesnioval7
885 32-Koliba
FED. REP. OF GERMANY Ber Landrat des iandkreises Rosenheim
Landratsamt
82 Rosenheim/Obb.
HUNGARY
Meteorological Service of the Hungarian People'
Republic
Post Offioe Box 38
H-1525 Budapest
ISRAEL
ITALY
EMS subsd y "Mekorot"
"Mekorot" Water Co.
Post Offioe Box 308
Union
Societa Rioerche Esperienze Meteorologiche
Via Pasubio 11
Rome
MALAYSIA
Malaysian Meteorological Service
Jalan Sultan
Petaling Jaya
Selangor
(724)
725
MEXICO
NICAIiAGUA
NIGER
IIORVJAY
Philippines
ROMANIA
SPAIN
SWITZERLAND
THAILAND
TURKEY
U.S.A.
UPPER VOLT A
YUGOSLAVIA
Dcpartanento de IIidrometeorolo£ia y Prediccion
Direccion de Hidrolo^ia.
Versallus Vj , 4 pi so
Mexico 6 D.F.
Conision Nacional del Algodon
Seccion de Investi^aciones Climctolo£;icas
Apartado Postal ITo. .^655
Managua
Direction de la Metc'orolo^ie Ilationale
Bortc Po stale ITo. iilCJ
iTianey
Dirrctorato of Civil Aviation
Store*. 101) Dcp
Oslo 1
Philippine Atmospheric, Geophysical ar:d
Astrononical Services Administration (i'AGASA)
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