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Water Vapor Sensing System (WVSS) Data at UCAR/JOSS/NOAA/CODIAC

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Abstract: Atmospheric water vapor measurements from commercial aircraft are now
available to complement the real-time winds and temperatures available
from the Aircraft Communication, Addressing and Reporting System
(ACARS). The technology of this first-generation system (WVSS-I) is a
modified Vaisala thin-film sensor. It is considered to be equal to or
better than existing radiosonde humidity data and especially so at the
upper levels of the troposphere. A second-generation system (WVSS-II)
is in progress.
Related URL
Description: Access to WVSS data sets
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Geographic Coverage
Spatial coordinates   
  N: 54.0   S: 24.0   E: -66.0   W: -126.0

Data Set Citation
Dataset Title: Water Vapor Sensing System
Dataset Release Place: Boulder, CO
Dataset Publisher: UCAR/JOSS
Online Resource:
Temporal Coverage
Start Date: 1999-07-01
AIRCRAFT Ancillary Description
Access Constraints None
Use Constraints None
Data Set Progress
Originating Center
Data Center
Cooperative Distributed Interactive Atmospheric Catalog System, Earth Observing Laboratory, National Center for Atmospheric Research, University Corporation for Atmospheric Research Supplemental Info
Data Center URL:

Data Center Personnel
Email: codiac at
Contact Address:
Codiac Data Archive
University Corporation for Atmospheric Research
P.O. Box 3000-FL4
City: Boulder
Province or State: CO
Postal Code: 80307-3000
Country: USA
Distribution Media: online
Distribution Format: varies
Fees: None
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2001-07-05
Last DIF Revision Date: 2016-01-27

Link to Web Site