Runway Visibility in Thick Fog
The need to determine the visual range in thick fog is critical. To safely land and take off aircraft in heavy fog, adequate visual aids must be provided. Because of the inconstant nature...

Estimating Forced Evaporation from Cooling Ponds
Forced evaporation from cooling ponds can be estimated with reasonable accuracy from readily available information. The only data needed are the amount of heat added by the plant, and...

Studies of Severe Rainstorms in Illinois
Data from concentrated rain-gage networks were used to investigate area-depth relationships for basins with areas ranging from 5 sq mi to 500 sq mi; empirical mathematical formulas were...

Forecast of Air Transport for 1980
Considerations in design of passenger, baggage, and aircraft handling facilities, runway, taxiway, and ramp area, and all-weather operating facilities to meet growing peak-traffic demands....

Method for Estimating Consumptive Use of Water for Agriculture
Monthly and annual estimates in planning of irrigation projects; data on measured rates of consumptive use of water and on estimated consumptive use determined by various formulas; procedure...

Weather Modification: A Symposium: Seeding of Clouds in Tropical Climates
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Seeding of Clouds in Tropical Climates
Warm-cloud seeding with spray or hygroscopic particles often dissipates small clouds but often initiates or increases rainfall from clouds that exceed 4000 ft in depth; seeding with dry...

Generator Technology for Cloud Seeding
Experiences in development and calibration of solution burning- and string-type silveriodide generators for use on Project Skyfire lightning-suppression studies....

Cloud-Seeding Results in Santa Clara County
Description of cloud seeding experiment conducted during three consecutive winters starting with 1955-56; analysis of results shows probable increase in rainfall due to cloud seeding of...

The Nature of Cloud Systems
Cloud systems suitable for modification by seeding; mechanisms of precipitation formation and results obtained from seeding various types of clouds....

Simple Rules for Hot or Cold Weather Concreting
A set of rules is provided for concreting in other-than-normal weather conditions. It is pointed out that the problems of hot-weather concreting are as involved as those encountered during...

Physical Properties of Clouds
Results of tests on physical evaluations; evaluations included: precipitation development, temperature of region of first precipitation, dimensions of cloud required for precipitation...

Evaluation of Seeding Trials
Results of cloud-seeding program, from customer's standpoint, should be evaluated in terms of his desired end product: kilowatts, bushels of grain, or pounds of meat; evaluation...

Natural Variability of Storm, Seasonal and Annual Precipitation
Statistical evaluation of seasonal and annual rainfall variability based on rainfall data gathered by four networks of Illinois State Water Survey since 1949; analyses show variability...

The Santa Barbara Project
California Water Plan is designed to guarantee adequate water for all uses for many years to come; to determine possible effects of weather modification on this plan, large experiment...

Method for Estimating Consumptive Use of Water for Agriculture
Monthly and annual estimates in planning of irrigation projects; data on measured rates of consumptive use of water and on estimated consumptive use determined by various formulas; procedure...

Monthly Consumptive Use Requirements for Irrigated Crops
Data on measured monthly rates of consumptive use of water for different irrigated crops growing in Western United States and procedure for determining monthly requirements for irrigated...

Effects of Local Weather on Air-Pollution Problems
Valid findings in study of problem at given site can be made only from local meteorological data; wide variations in data between two adjacent Florida localities, cited; five typical cases...

Irrigation Requirements Based on Climatic Data
Limitations in use of climatic data in computation of consumptive use and irrigation requirements; evaporation of water is considered as physical process; physical laws, climatic data...

Rock Weathering Classification of Excavation Slopes
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