Precipitation analyses using SSM/I measurements for selected ERICA cyclones
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Authors
Almario, Bayani J., Jr.
Subjects
Microwave
SSM/I
Precipitation retrieval
ERICA
Radar observations
GOES IR imagery
SSM/I
Precipitation retrieval
ERICA
Radar observations
GOES IR imagery
Advisors
Wash, Carlyle H.
Date of Issue
1991-06
Date
June 1991
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
A recently developed SSM/I exponential rain algorithm is evaluated using passive microwave data from ERICA OPs 2, 3, 4, and 5. Resulting SSM/I rain analyses were first compared with aircraft radar and coastal radar data. SSM/I rain analyses in IOPs 2, 3 and 4 were then used with GOES enhanced IR imagery to determine ERICA cyclones' synoptic rain structure. The SSM/I rain analysis in IOP 5 agreed well with the aircraft radar and coastal radar observations. Maximum SSM/I rain rate areas coincided with the radar intensity observation, but SSM/I rain rates were somewhat less than inferred by the radar. SSM/I rain rate analyses clearly delineate the liquid precipitation patterns within the IOP 2, 3, and 4 cyclones. The SSM/I rain rate data shows promise to significantly improve analysis of precipitation over the ocean, where conventional data is notably sparse.
Type
Thesis
Description
Series/Report No
Department
Department of Meteorology
Organization
Naval Postgraduate School
Identifiers
NPS Report Number
Sponsors
Funder
Format
68 p.
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.