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Key features of cold‐air pool episodes in the northeast of the Iberian Peninsula (Cerdanya, eastern Pyrenees)
Author(s) -
Miró Josep Ramon,
Peña Juan Carlos,
Pepin Nick,
Sairouni Abdelmalik,
Aran Montserrat
Publication year - 2017
Publication title -
international journal of climatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.58
H-Index - 166
eISSN - 1097-0088
pISSN - 0899-8418
DOI - 10.1002/joc.5236
Subject(s) - empirical orthogonal functions , peninsula , climatology , principal component analysis , environmental science , transect , atmospheric circulation , atmospheric temperature , anticyclone , geology , atmospheric sciences , geography , oceanography , archaeology , artificial intelligence , computer science
The aim of this research was to detect cold‐air pool (CAP) days during winter and quantify the synoptic situations that produce decoupling between free air and valley bottom temperatures in the Cerdanya basin in the eastern Pyrenees (Spain). Patterns prone to CAP (see figure) are defined by an anticyclonic ridge over the Iberian Peninsula and absence of surface wind in Cerdanya, especially in December and January. Warm air advection from the south is also associated with some of the patterns.

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