온난수송대 접근에 의한 한라산 봄철 호우 현상의 종관적 특징
Synoptic Characteristics of the Spring Heavy Rainfall Events Across Mt. Halla by the Approach of Warm Conveyor Belts
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초록
The purpose of this study is to identify the characteristic synoptic patterns of the spring (Marchto May) heavy rainfall events over Mt. Halla by the approach type of the warm conveyor belts aroundmigratory extratropical cyclones. Analyses of synoptic atmospheric conditions show that the spring warmconveyor belts in the form of low-level jets appear at lower elevation than that in summer. Most of springheavy rainfall events over Mt. Halla at the warning stages or watch result from forward-sloping ascentwarm conveyors belts accompanying active convection. Particularly, the spring heavy rainfall events atthe warning level over Mt. Halla is intensified by the elongation of the foreward-sloping ascent warmconveyor belts when the east high-west low pressure systems, the upper level jet in the northern regionsouthwesterlylow level jet and the migratory low pressure system at mature stage heading for the KoreanPeninsular are combined. These findings can be used in improving the predictability of the spring heavyrainfall events over Mt. Halla.
Abstract
The purpose of this study is to identify the characteristic synoptic patterns of the spring (Marchto May) heavy rainfall events over Mt. Halla by the approach type of the warm conveyor belts aroundmigratory extratropical cyclones. Analyses of synoptic atmospheric conditions show that the spring warmconveyor belts in the form of low-level jets appear at lower elevation than that in summer. Most of springheavy rainfall events over Mt. Halla at the warning stages or watch result from forward-sloping ascentwarm conveyors belts accompanying active convection. Particularly, the spring heavy rainfall events atthe warning level over Mt. Halla is intensified by the elongation of the foreward-sloping ascent warmconveyor belts when the east high-west low pressure systems, the upper level jet in the northern regionsouthwesterlylow level jet and the migratory low pressure system at mature stage heading for the KoreanPeninsular are combined. These findings can be used in improving the predictability of the spring heavyrainfall events over Mt. Halla.
참고문헌 (24)
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