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MISR CMVs and Multiangular Views of Tropical Cyclone Inner-Core DynamicsMulti-camera stereo imaging of cloud features from the MISR (Multiangle Imaging SpectroRadiometer) instrument on NASA's Terra satellite provides accurate and precise measurements of cloud top heights (CTH) and cloud motion vector (CMV) winds. MISR observes each cloudy scene from nine viewing angles (Nadir, +/-26(sup o), +/-46(sup o), +/-60(sup o), +/-70(sup o)) with approximatel 275-m pixel resolution. This paper provides an update on MISR CMV and CTH algorithm improvements, and explores a high-resolution retrieval of tangential winds inside the eyewall of tropical cyclones (TC). The MISR CMV and CTH retrievals from the updated algorithm are significantly improved in terms of spatial coverage and systematic errors. A new product, the 1.1-km cross-track wind, provides high accuracy and precision in measuring convective outflows. Preliminary results obtained from the 1.1-km tangential wind retrieval inside the TC eyewall show that the inner-core rotation is often faster near the eyewall, and this faster rotation appears to be related linearly to cyclone intensity.
Document ID
20100031288
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Wu, Dong L.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Diner, David J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Garay, Michael J
(Raytheon Intelligent and Information Systems Pasadena, CA, United States)
Jovanovic, Veljko M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Lee, Jae N.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Moroney, Catherine M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Mueller, Kevin J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Nelson, David L.
(Raytheon Intelligent and Information Systems Pasadena, CA, United States)
Date Acquired
August 25, 2013
Publication Date
February 22, 2010
Subject Category
Meteorology And Climatology
Meeting Information
Meeting: Tenth International Winds Workshop
Location: Tokyo
Country: Japan
Start Date: February 22, 2010
Distribution Limits
Public
Copyright
Other
Keywords
hurricanes
multi-angle views
cloud winds

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