RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2016, Vol. 25 >> Issue (04): 573-579.doi: 10.11870/cjlyzyyhj201604006

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A CASE ANALYSIS ON A HEAVY FOG AT SHANGHAI AND CHONGQING HIGHWAY HAN-YI SECTION

HE Ming-qiong1, WANG Li-juan1, FU Jia1, ZHANG Zhen-wu2   

  1. 1. Hubei Provincial Meteorological Server Center, Wuhan 430205, China;
    2. Hubei Provincial Chutian Express Way Co., LTD, Wuhan 430051, China
  • Received:2015-07-20 Revised:2015-09-06 Online:2016-04-20
  • Supported by:
    Special Fund for Top-notch Talent of Hubei Province Meteorological Bureau

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Abstract: In this paper, a continuous heavy fog in January of 2014(i.e., 29-31 January) is studied at Wuhan-Yichang section in Shanghai and Chongqing highway (hereinafter referred to Han-Yi highway). Analysis showed as follows. (1)When this continuous heavy fog process happened, there was the inversion layer close to the ground. The ground field was in uniform pressure field, middle latitude flow field manifested by west air current, and these backgrounds provided favorable circulation conditions for the formation and development of the continuous heavy fog. (2)Monitoring data from the traffic weather stations at Han-Yi highway showed that the meteorological elements changed obviously when the highway was locked due to the heavy fog and the highway was unlocked. These analysis results are of good instruction significance for warning and forecast of heavy fog at Hanyi highway.

Key words: Highway, Heavy fog, case analysis

CLC Number: 

  • P462.4
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