Observation of downburst in Takasaki and Maebashi city, Gunma on 11 August 2013

Keiko NOROSE; Fumiaki KOBAYASHI; Hirotaka KURE; Toshiaki MORITA

Presentation information

Oral

Symbol A (Atmospheric, Ocean, and Environmental Sciences) » A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS23_28AM2] Hyper-dense observation network to elucidate micro-scale atmosphreric phenomena

Mon. Apr 28, 2014 11:00 AM - 12:45 PM 424 (4F)

Convener:*Jun-ichi Furumoto(Research Institute for Sustainable Humanosphere, Kyoto University), Jun-ichi Furumoto(Research Institute for Sustainable Humanosphere, Kyoto University), Hisakazu Tsuboya(Division of life support business promossion,NTT DOCOMO Corporation), Chair:Kentaro Araki(Forecast Research Department, Meteorological Research Institute, Japan Meteorological Agency)

11:30 AM - 11:45 AM

[AAS23-06] Observation of downburst in Takasaki and Maebashi city, Gunma on 11 August 2013

*Keiko NOROSE¹, Fumiaki KOBAYASHI¹, Hirotaka KURE², Toshiaki MORITA² (1.National Defense Academy, 2.Meisei Electric)

On the evening of 11 August 2013, a severe thunderstorm passed over the Takasaki and Maebashi city, Gunma prefecture, and produced gusty wind damages. The change of surface weather elements was recorded by dense observation network POTEKA when gust occurred. In this study, we follow the development and propagation of gust-front and downburst through the analysis of features of the pressure field observed by POTEKA. The result of this analysis reveals that the reason of gust caused damages in Maebashi city is downburst.