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Application of an automatic cloud tracking technique to Meteosat water vapor and infrared observations

Author:
Endlich, R. M.
Published:
May 1, 1980.
Physical Description:
1 electronic document
Additional Creators:
Wolf, D. E.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary:
The automatic cloud tracking system was applied to METEOSAT 6.7 micrometers water vapor measurements to learn whether the system can track the motions of water vapor patterns. Data for the midlatitudes, subtropics, and tropics were selected from a sequence of METEOSAT pictures for 25 April 1978. Trackable features in the water vapor patterns were identified using a clustering technique and the features were tracked by two different methods. In flat (low contrast) water vapor fields, the automatic motion computations were not reliable, but in areas where the water vapor fields contained small scale structure (such as in the vicinity of active weather phenomena) the computations were successful. Cloud motions were computed using METEOSAT infrared observations (including tropical convective systems and midlatitude jet stream cirrus).
Other Subject(s):
Collection:
NASA Technical Reports Server (NTRS) Collection.
Note:
Document ID: 19800018494.
Accession ID: 80N26993.
NASA-CR-159995.
Terms of Use and Reproduction:
No Copyright.
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