Clouds in he sky. Explains the process of cloud formation in the atmosphere by evaporation and condensation. Importance of cloud formation on weather as a whole.
Concepts of high and low pressure and moving air masses and their effects on weather conditions. Direction of wind flow in high and low pressure areas. A map shows high and low pressure areas in America during different times in year.
A map of United States with 200 weather bureaus marked on it. Men assemble weather data at weather bureau. A young boy looks at the process. Symbols used to convey weather conditions. Information plotted on a blank base map. Weather data entered against each station. Isobars and Thermo bars plotted onto the map which is used to forecast weather conditions.
A man at weather bureau explains process of forecasting weather and transmitting it to other stations and to the public. Weather information transmitted to ships and air mail pilots.
Highlights the importance of weather forecast to inform people against the danger of natural hazards like storms and floods. A man rows a boat through a flooded area.
Rough sea and strong winds blow due to a hurricane. Water washes over the pier. Keesler Air Force Base, weather forecasting and hurricane hunting operations done. A WC-130 plane in flight on hurricane hunting operation. Pilots in the cockpit. Men at Air Force base draw diagrams from the information received.
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