Numerical Simulation of the Quasi-Stationary Snowband Observed over the Southern Coastal Area of the Sea of Japan on 16 January 2001

Eito, Hisaki; Kato, Teruyuki; Yoshizaki, Masanori; Adachi, Ahoro

doi:10.2151/jmsj.83.551

Cited by 31 publications

(23 citation statements)

References 26 publications

(46 reference statements)

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“…Four nodes of the HITAC SR8000 of MRI were employed. A higher resolution (1 km) simulation of the snow clouds over the southern coastal area of the Japan Sea was conducted by Eito et al (2005). Eito et al (2010) extended the simulation area to (2000 km) 2 and examined the structure and formation mechanism of transversal cloud bands using the Earth Simulator.…”

Section: Winter Monsoon Snow Clouds Over the Sea Of Japanmentioning

confidence: 99%

The JMA Nonhydrostatic Model and Its Applications to Operation and Research

Saitō¹

2012

Atmospheric Model Applications

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Section: Winter Monsoon Snow Clouds Over the Sea Of Japanmentioning

confidence: 99%

The JMA Nonhydrostatic Model and Its Applications to Operation and Research

Saitō¹

2012

Atmospheric Model Applications

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“…1) as well as in that of Niigata. In some case studies, it has been reported that the cold land breeze from the mountains plays a crucial role in the maintenance of snowbands off the coast of Hokuriku (Ishihara et al 1989;Ohigashi and Tsuboki 2005) and off the coast of the area between Niigata and Hokuriku (Yoshihara et al 2004;Eito et al 2005). Ookubo and Kurokawa (2000) suggested that the southwesterly wind deflected by the mountain range in Hokuriku formed a shear line with the northwesterly winter monsoon.…”

Section: Introductionmentioning

confidence: 99%

Statistical Analyses of Snowfall Distribution in the Niigata Area and its Relationship to the Wind Distribution

Iwamoto

Nakai

Sato

2008

SOLA

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Analyses of precipitation amounts and surface winds observed at weather stations were conducted to investigate the effect of the topography on the snowfall distribution in Niigata. The topographic effect on the precipitation, particularly in the Niigata plain, has not been well discussed although Akiyama (1981aAkiyama ( , 1981b discussed the relationship between the snowfall distribution in Niigata and the synoptic scale condition. Using an empirical orthogonal function analysis, the winter precipitation distribution from 1988 to 2007 in Niigata was categorized as plain-type (P-type) and mountain-type (M-type). The P-type precipitation occurs under an upper trough over the Sea of Japan. The synoptic westerly wind, brought by the lower trough near the Japan Islands, and the deep convective mixed layer will be responsible for the precipitation in the plains of Niigata and Hokuriku. In addition, the Noto Peninsula and the mountain range to the east of the Hokuriku area seem to play an dynamical role in the precipitation in the Niigata plain. The M-type precipitation occurs under the upper trough over Japan. The synoptic scale condition brings northwesterly wind, which causes a topographic updraft at the mountain slope, resulting in precipitation dominated in the Niigata mountain range.

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“…During WMO-01, banded radar echoes parallel to the coast line were frequently observed. Eito et al (2003) numerically simulated the quasistationary snowband that developed along a mesoscale convergence line on 16 January, 2001. They discussed the maintenance process of the snowband, paying special attention to the role and formation mechanism of a cold pool beneath the snowband.…”

Section: Introductionmentioning

confidence: 99%

Doppler Radar Study on the Successive Development of Snowbands at a Convergence Line near the Coastal Region of Hokuriku District

Yoshihara

Kawashima

Arai

et al. 2004

Journal of the Meteorological Society of Japan

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During the field experiment of winter mesoscale convective systems over the Sea of Japan in 2001 (WMO-01), several snowbands associated with a cold front developed remarkably at 10@30 km off the coast of Hokuriku district on 28 and 29 January 2001. Dual-Doppler radar analysis was made to investigate the mechanisms responsible for the successive development of the snowbands.Derived wind fields revealed that a mesoscale convergence line was formed between the prevailing westerly and shallow (@1 km depth), cold southwesterly winds that blew from inland toward Toyama bay. As the downshear-tilting convective cells in the snowbands approached the convergence line, they became almost upright and their height increased from 4 km to 6@7 km. The edge of the southwesterly cold air temporarily became indistinct because of the entrainment of the air into the convective cells that developed aloft. However, the subsequent advection of the cold southwesterly reestablished the convergence line, and enabled the successive development of following snowbands.

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Numerical Simulation of the Quasi-Stationary Snowband Observed over the Southern Coastal Area of the Sea of Japan on 16 January 2001

Cited by 31 publications

References 26 publications

The JMA Nonhydrostatic Model and Its Applications to Operation and Research

The JMA Nonhydrostatic Model and Its Applications to Operation and Research

Statistical Analyses of Snowfall Distribution in the Niigata Area and its Relationship to the Wind Distribution

Doppler Radar Study on the Successive Development of Snowbands at a Convergence Line near the Coastal Region of Hokuriku District

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