High Altitude Clear Air Turbulence Project
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dateStamp: 2023-09-08
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title: High Altitude Clear Air Turbulence Project
alternateTitle: HICAT
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code: NCEI Physical Archive Collection: HICAT
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code: gov.noaa.ncdc:C01203
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organisationName: Air Force Flight Dynamics Laboratory
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abstract: The Air Force Flight Dynamics Laboratory conducted the High Altitude Clear Air Turbulence Project in the mid 1960s with the intention of better understanding air turbulence to improve aircraft structural designs. Upper air wind turbulence was recorded and combined with meteorological forecasts and observations to obtain better statistical understanding of atmospheric turbulence environment and its affect upon aircraft. The Air Force used the U-2 aircraft to collect the data. The U-2 aircraft were intentionally flow into regions of turbulence or suspected turbulence to record results. Although the primary collection points were in Louisiana, California, Maine, Florida, Panama, and England, data was collected all over the world. Over 285 flights contributed to the collection.
purpose: The results of this experiment were used to improve how meteorologists predicted and understood clear air turbulence as well as improve aircraft design.
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deliveryPoint: Veach-Baley Federal Building, Room 468
city: Asheville
administrativeArea: NC
postalCode: 28801-5001
country: USA
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keyword: Earth Science > Atmosphere > Atmospheric Winds
keyword: Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/Speed
keyword: Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Wind Shear
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keyword: Atmospheric - Upper-air - Upper-air Wind Speed And Direction
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keyword: Wind Vanes
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title: Stratospheric Mixing Estimated from High-Altitude Turbulence Measurements
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date: 1974-03-28
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name: Stratospheric Mixing Estimated from High-Altitude Turbulence Measurements
description: D. K. Lillya, et al (1974): Stratospheric Mixing Estimated from High-Altitude Turbulence Measurements. J. of Applied Meteorology. doi:10.1175.1520-0450(1974)013<0488:SMEFHA>2.0.CO;2
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description: ground condition
beginPosition: 1964-01-01
endPosition: 1968-12-31
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fees: In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
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dateTime:
DateTime: 2015-04-22T00:00:00
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maintenanceNote: Bulk metadata change applied on 2023-06-23. See version control repository history for metadata change details.
