• Short Summary

    Hurricane 'Debbie' gained in strength Thursday (22 August) as it moved on a northwesterly course through the South Atlantic toward the east coast of the United States. 'Debbie', the second major hurricane of the season, was apparently completely unaffected by two seedings of silver iodide crystals.

  • Description

    Hurricane 'Debbie' gained in strength Thursday (22 August) as it moved on a northwesterly course through the South Atlantic toward the east coast of the United States. 'Debbie', the second major hurricane of the season, was apparently completely unaffected by two seedings of silver iodide crystals.

    The seeding of the hurricane was a scientific experiment called Project Stormfury. On Monday, and again Wednesday, 16 Navy jet fighter dropped more than a ton of iodide crystals into the storm. Weather scientists conducted the experiment to determine if the seedings could diminish Debbie's strength or otherwise alter its behavior.

    After each seeding, a U.S. Air Force Hurricane Hunter aircraft flew into Debbie for visual and instrument observation of any possible effects from the seeding. Several temperature and humidity-reading instruments were parachuted into the storm, and transmitted measurement back to the aircraft.

    Following the Wednesday mission scientists reported the seeding had no apparent affect on the hurricane and no further seedings were planned.

    In theory, small droplets of water collect around the descending iodide crystals, and the droplets increase in size until heavy enough to fall through the turbulence and winds as rain.

    Seeding of rain clouds by this method has had some success in various parts of the world. Two previous attempts to seed hurricanes--in 1961 and 1963-- also produced no results.

  • Tags

  • Data

    Film ID:
    VLVA9V5AHN32LGFS58BV56WJ2ZF1S
    Media URN:
    VLVA9V5AHN32LGFS58BV56WJ2ZF1S
    Group:
    Reuters - Source to be Verified
    Archive:
    Reuters
    Issue Date:
    22/08/1969
    Sound:
    Unknown
    HD Format:
    Available on request
    Stock:
    Colour
    Duration:
    00:01:31:00
    Time in/Out:
    /
    Canister:
    N/A

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