Winter cloud seeding potential on the Mogollon Rim

final report.
  • 173 Pages
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Water Augmentation Group, Resesarch and Laboratory Services Division, Denver Office, U.S. Dept. of the Interior, Bureau of Reclamation, Available from N.T.I.S. , Denver, Colo, Springfield, Va
Snowpack augmentation -- Arizona -- Mogollon Rim., Rain-making -- Arizona -- Mogollon Rim., Cloud phy
ContributionsHolroyd, Edmond W., McPartland, Jack T., United States. Bureau of Reclamation. Water Augmentation Group., Arizona. Dept. of Water Resources.
The Physical Object
FormatMicroform
Paginationxvii, 173 p.
ID Numbers
Open LibraryOL14696886M

Winter cloud seeding potential on the Mogollon Rim, Final report, prepared for Arizona Department of Water Resources under IGA [available from the National Technical Information Service, Springfield, VA,as PB].

U.S. Bureau of Reclamation,Winter cloud seeding potential on the Mogollon Rim, Final report, Volume III, Appendix B: Estimation of winter precipitation on the Mogollon Rim with a simple local-scale model, prepared for Arizona Department of Water Resources under IGAAG Denver, U.S.

Details Winter cloud seeding potential on the Mogollon Rim EPUB

Bureau of Reclamation Report R, 15 p. [available from the National Technical Information. Get this from a library. Winter cloud seeding potential on the Mogollon Rim: final report. [A B Super; Edmond W Holroyd; Jack T McPartland; United States.

Bureau of Reclamation. Water Augmentation Group.; Arizona. Department of Water Resources.]. Cloud seeding experiments have been designed by the Bureau of Reclamation for winter orographic cloud systems over the Mogollon Rim of Arizona.

The experiments are intended to test whether key physical processes proceed as hypothesized during both ground-based and aircraft seeding.

Cloud seeding experiments were designed by the Bureau of Reclamation for winter orographic cloud systems over the Mogollon Rim of Arizona. The experiments are intended to test whether key physical processes proceed as hypothesized during both ground based and aircraft seeding with silver iodide.

The experiments are also intended to document each significant link in the chain of physical events Author: A.

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Super, J. Medina, J. McPartland. Arizona Weather Modification Research - Winter cloud seeding potential on the Mogollon Rim book USBR, SRP, and the North American Weather Consultants started investigating the potential for wintertime cloud seeding over the Mogollon Rim - Only four derived variables (2 good, 2 questionable) from weather balloon data were used to assess the potential of cloud seeding - Results suggested that the most favorable area for cloud seeding was.

that the greatest potential for cloud seeding in this re- gion may be associated with the high CLW regions in the gravity wave rather than the upslope cloud associ- ated with the orographic uplift.

Existing (operational) cloud seeding target areas (blue) and potential target areas (red). Areas are indexed with numbers corresponding to those in Tables 1 and 2, respectively. of Reclamation study, Winter Orographic Snowpack Augmentation, that claimed an additional 2 3 million acre-feet per year could be added to the Colorado River with an extensive Rocky Mountains cloud seeding operation.

The Mogollon Rim area has been identified as offering the greatest po-tential for in-state weather modifica-tion efforts. Cloud seeding is widespread and growing, with some ongoing projects counted worldwide in (according to the government of Australia).

Unregulated, the industry could be inadvertently (or deliberately) destructive, but some dangers have already been experienced, and government and international agencies are watching carefully. Abstract The concept of “winter cloud seeding windows” is a familiar theme found in a number of earlier publications.

More recent feasibility studies, physical observations and analyses of. cloud seeding potential on the Mogollon Rim. U.S. Bureau of. winter orographic cloud seeding is considered as the most promising way in the economic standpoint (Bruintjes ). The Mogollon Rim area has been identified as offering the greatest potential for in-state weather modification efforts.

A central geological feature of the state, the Mogollon Rim provides Arizona with a laboratory for weather modification experimentation and research. The prevailing south- westerly winds during winter storms coupled with weak local emissions generally provide a clean snow- pack for the key watersheds on the Mogollon Rim.

A combination of meteorological, regional and local influences was evident in the high degree of variability in the snowpack chemistry. ABSTRACT Cloud seeding experiments have been designed by the Bureau of Reclamation for winter orographic cloud systems over the Mogollon Rim of Arizona.

The experiments are intended to test whether key physical processes proceed as hypothesized during both ground-based and aircraft seeding with silver iodide. Winter Cloud Seeding Potential on the Mogollon Rim, Full text ( MB PDF) R Evaluation of Concrete Cores Arrowrock Dam ID, Full text ( MB PDF) R Compaction of Soils on Canal Side Slopes, Full text ( MB PDF) R Mechanical Properties of PVC Well Screen and Casing, Full text (4 MB PDF) R The studies examined winter cloud characteristics over the Mogollon Rim to assess future weather modification activities.

A special focus of the studies was to determine the availability of supercooled liquid water. Its presence is essential for effective cloud seeding. BuRec, DWR and the SRP were the main contributors to the project.

Description Winter cloud seeding potential on the Mogollon Rim EPUB

A three-dimensional, time-dependent nested grid model was used to conduct numerical simulations of the three-dimensional airflow and cloud evolution over the Mogollon Rim and adjacent terrain in Arizona. The modeling results indicated that the flow patterns and cloud liquid water (CLW) were closely linked to.

Several operational winter cloud seeding programs have been conducted in the Sierra Nevada Mountains of California dating back to the early and mid’s in a couple of cases and the early to mid ’s in several other cases. Winter cloud seeding programs have also been operated for a number of years in portions of Colorado, Utah, and.

precipitation at grid points spaced at 5 or 10 krn over the Mogollon Rim in Arizona. The model will also develop volume precipitation for the Salt and Verde watersheds. The model should be useful in planning future cloud seeding experiments, developing seeding suspension criteria, constructing daily weather forecasts necessary for.

Dotted areas in right panel plots (c) indicate the statistically significance at 99% level on the basis of two-side Student's t-test. observational and computer modeling approaches have laid the. • In the ’s results from initial USBR research projects across the Western US suggest the potential for precipitation enhancement over the Mogollon Rim of Arizona • SRP’s interest grew, joining the North American Interstate Weather Modification Council and began to.

The precipitation rate R pulsed to 1 cm h −1 and briefly to 2 cm h −1 at site T6 on the Mogollon Rim, where the most precipitation fell (Figs. 1 and 3b). Only traces fell at CTW and elsewhere in the Verde Valley, but this period brought accumulations to cm at SRC on the windward slope of the Mogollon Rim and cm on top of the rim at T6.

In the region of the Mogollon Rim, the most important watershed in Arizona, the winter Defining the potential of seeding was therefore an important goal of the AP Such precipitation enhancement with existing tech- of snowpack and runoff by cloud seeding, quite nor.

Winter cloud seeding potential on the Mogollon Rim, Final report, Volume III, Appendix B: Estimation of winter precipitation on the Mogollon Rim with a simple local-scale model, prepared for Arizona Department of Water Resources under.

Super, A.B., Holroyd, E.W., and McPartland, J.T.,Winter cloud seeding potential on the Mogollon Rim, Final report, prepared for Arizona Department of Water Resources under IGA Denver, U.S. Bureau of Reclamation Report R, p.

[available from the National Technical Information Service, Springfield, VA,as PB]. Machines that prod clouds to make snow may sound like something out of an old science fiction movie. But worsening water scarcity, combined with new evidence that "cloud seeding.

Inthe federal Bureau of Reclamation proposed seeding clouds along the Mogollon Rim during the winter to see if they would produce increased precipitation. But the. U.S. Bureau of Reclamation,Winter cloud seeding potential on the Mogollon Rim, Final report, Volume III, Appendix B: Estimation of winter precipitation on the Mogollon Rim with a simple local-scale model, prepared for Arizona Department of Water Resources under IGAAG Denver, U.S.

Bureau of Reclamation Report R, 15 p. Cloud seeding is done only when temperatures within the clouds are between 19 and minus-4 degrees Fahrenheit. This is the range at which silver iodide does its. Cloud Seeding Weather Modification. likes. Our sky is our most important resource.

Cloud Seeding is dedicated to education the nation about altering the natural movements of the elements in the sky.On February 1,an unusual meteorological situation caused severe icing of a C, an aircraft used during winter to study winter cloud systems in the Guadarrama Mountains of. When people speak of weather control and cloud seeding, many minds turn to conspiracies and dark corners of the world’s governments looking to cripple their enemies with a flood, hurricane, or both.

And, as limited as it is, there is some documentation showing that government departments have at least looked at the possibility of such environmentally orientated weapons.