Southern Hemisphere atmospheric blocking diagnostic by ECMWF and NCEP/NCAR data Diagnóstico de bloqueios atmosféricos no Hemisférico Sul com reanálises do ECWMF e NCEP/NCAR

Southern Hemisphere atmospheric blocking diagnostic by ECMWF and NCEP/NCAR data Diagnóstico de bloqueios atmosféricos no Hemisférico Sul com reanálises do ECWMF e NCEP/NCAR

An assessment of blocking episodes over the Southern Hemisphere, selected from the Era-40 and NCEP/NCAR reanalysis are presented in this study. Blocking can be defined by an objective index based on two 500 hPa geopotential height meridional gradients. The seasonal cycle and preferential areas of oc...

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Bibliographic Details
Main Authors: Monica Cristina Damião Mendes, Iracema F. A. Cavalcanti, Dirceu Luis Herdies
Format: Article
Language:English
Published: Sociedade Brasileira de Meteorologia 2012-09-01
Series:Revista Brasileira de Meteorologia
Subjects:
bloqueio
reanálises
eventos extremos
blocking
reanalysis
extreme events
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-77862012000300001

Internet

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-77862012000300001

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