Adverse meteorological phenomena associated with low-level baric troughs in the Alagoas State, Brazil, in 2003
✍ Scribed by Luis Ricardo Lage Rodrigues; Natalia Fedorova; Vladimir Levit
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 223 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1530-261X
- DOI
- 10.1002/asl.273
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✦ Synopsis
Abstract
Baric troughs were studied over the Alagoas State, Brazil, in 2003. The relationship between these synoptic systems, weekly sea surface temperature anomaly and adverse meteorological phenomena in the Alagoas State, was analyzed. The maximum trough frequency occurred at low levels during the wetter and colder season in the investigated region (June and July). Most of the troughs were observed at 1200 UTC. It was also noted that 87% of the troughs was associated with wavy disturbance in the trade winds on the northwestern periphery of the subtropical South Atlantic High. These troughs were associated with meteorological phenomena in a stable and an unstable atmosphere. Copyright © 2010 Royal Meteorological Society