North American Weather Consultants, Inc.
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The World's Longest Standing Private Weather Modification Company


Home NAWC Fast Facts Cloud Seeding Air Quality Applied Meteorology Probable Max Precipitation NAWC Papers Cloud Seeding Photos Web Links Company Info

 

NAWC Services

CLOUD SEEDING/
WEATHER MODIFICATION:

Snow and Rain
Augmentation


Fog Dissipation

Feasibility Studies

Design/Evaluation Studies

Cloud Physics/
Tracer Studies


Technology and
Equipment Transfer


APPLIED METEOROLOGICAL SERVICES:

Hurricane Forecast
Support

Probable Maximum
Precipitation (PMP)
Studies


Climate Studies

Forensic Meteorology/
Expert Testimony


Specialized Forecasting

Meteorology Monitoring

Data Retrieval

Radar-Derived Rainfall Estimates


AIR QUALITY SERVICES:

Ambient Monitoring

Meteorology Monitoring

Tracer Studies

 

NAWC Ads

Take a look at our ads!

NAWC Flyer

NAWC Weather Modification Ad

Probable Maximum Precipitation (PMP) Flyer


NAWC Papers

For information on weather modification technologies and other meteorological applications, refer to the following publications:

Fog Dispersion Programs

New!    Summary of a Trial Winter Fog Clearing Program at the Missoula International Airport, 2006-2007 (Adobe Acrobat (PDF), 2.3 MB)

Winter Cloud Seeding Programs

New!    An independent statistical analysis of a long-standing winter cloud seeding program in Utah (PDF, 0.3 MB)

A Level II Weather Modification Feasibility Study for Winter Snowpack Augmentation in the Salt River and Wyoming Ranges in Wyoming (MS Word Format, 2.0 MB)
(WMA, Journal of Weather Modification, Vol. 39, 2007, reviewed)

Potential Use of Winter Cloud Seeding Programs to Augment the Flow of the Colorado River (PDF - 0.7 MB) or MS Word Format (6.3 MB)
(White Paper, 2006, non-reviewed)

Santa Barbara Cloud Seeding Project in Coastal Southern California (PDF - 0.5 MB) or MS Word Format (0.6 MB)
(WMA, Journal of Weather Modification, Vol. 37, 2005, reviewed section)

Is Air Pollution Impacting Winter Orographic Precipitation in Utah? (PDF - 0.9 MB) or MS Word Format (1.2 MB)
(WMA, Journal of Weather Modification, Vol. 37, 2005, reviewed section)

Observations of Rime Icing in the Wasatch Mountains of Utah: Implications for Winter Season Cloud Seeding (PDF - 0.6 MB)
(WMA, Journal of Weather Modification, Vol. 37, 2005, reviewed section)

Analysis of Downwind Seeding Effects - 2003 (PDF - 0.6 MB) or MS Word Format (0.7 MB)
(WMA, Journal of Weather Modification, Vol. 35, 2003, non-reviewed section)

Economic Feasibility Study of a Winter Cloud Seeding Program in Idaho- 2002 (PDF - 0.7 MB) or  Microsoft Word Format (2.2 MB)
Text-only MS Word version (0.06 MB)

(WMA, Journal of Weather Modification, Vol. 34, 2002, reviewed section)

Utah Cloud Seeding Program - Increased Runoff/Cost Analyses (PDF - 0.2 MB)
(Stauffer and Williams, 2000)

An Update on a Winter Cloud Seeding Program in Utah - 1997 (PDF - 10.6 MB) or  MS Word Format (0.5 MB)
Text-only MS Word (0.07 MB)

(WMA, Journal of Weather Modification, Vol. 29, 1997, non-reviewed section)

A Winter Cloud Seeding Program in Utah - 1991 (PDF - 9.3 MB) or MS Word Format (1.4 MB)  or 
Text-only MS Word (0.04 MB)

(WMA, Journal of Weather Modification, Vol. 23, 1991, reviewed section)

Winter Orographic Cloud Seeding Northeast of Bear Lake, Utah - 1983 (PDF - 7.1 MB)
(WMA, Journal of Weather Modification, Vol. 15, 1983, reviewed section)

 

Summer Cloud Seeding Programs

Summertime Cloud Seeding Programs in Central America Designed to Enhance Hydroelectric Generation - Updated 1999 (PDF - 0.5 MB)
(Non-reviewed)

Programa de Sembrado de Nubespara Mejorar la Producción de Energía Hidroeléctrica en el Área Colectora El Cajón, Honduras (PDF - 0.5 MB)
(Non-reviewed)

Summertime Cloud Seeding Programs in Central America Designed to Enhance Hydroelectric Power (PDF - 0.04 MB)
(Non-reviewed)

Three Rainfall Augmentation Programs in Texas - 1987 (PDF - 9.8 MB)
(WMA, Journal of Weather Modification, Vol. 19, 1987, reviewed section)

 

For partial listings of prior NAWC cloud seeding projects click on the links below:

Operational Programs Through 2006 (PDF Format)

Research Programs Through 2006 (PDF Format)

International Projects - Partial Listing (PDF)

Map of NAWC Operational Cloud Seeding Projects in the Western United States (1950 - 2000) - PDF Format

 

Examples of climate studies conducted for use in the design of cloud seeding programs:

Climate Study for the Uinta Range of Utah - PDF Format

Climate Study for Gunnison County, Colorado - PDF Format

 

For information on Probable Maximum Precipitation studies view the following publications:

Innovative Design Approaches for the South Platte Reservoir - PDF Format - Hi Resolution (2033 KB)

Innovative Design Approaches for the South Platte Reservoir - PDF Format - Low Resolution (1030 KB)

 

If you would like complete reproductions of any of these papers, please contact us by phone (801) 942-9005 or email.

 

North American Weather Consultants, Inc.

8180 South Highland Dr., Suite B-2
Sandy, Utah 84093
USA

Telephone:   801-942-9005

Facsimile:   801-942-9007

E-mail:  nawc@nawcinc.com

Contacts:  Don Griffith, President or Mark Solak, Vice President

Copyright © 2006 by North American Weather Consultants Inc., Sandy, Utah, USA.

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