U.S. East Coast Trough Indices at 500 hPa and New England Winter Climate Variability

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NOTES AND CORRESPONDENCE U.S. East Coast Trough Indices at 500 hPa and New England Winter Climate Variability

Using monthly gridded 500-hPa data, two synoptic indices are defined to better understand the principle mechanisms controlling intraseasonal to multiannual winter climate variability in New England (NE). The ‘‘trough axis index’’ (TAI) is created to quantify the mean longitudinal position of the common East Coast pressure trough, and the ‘‘trough intensity index’’ (TII) is calculated to estimat...

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ژورنال

عنوان ژورنال: Journal of Climate

سال: 2002

ISSN: 0894-8755,1520-0442

DOI: 10.1175/1520-0442(2002)015<3509:usecti>2.0.co;2