2014年1月沪渝高速公路汉宜段一次大雾个例分析

doi:10.11870/cjlyzyyhj201604006

长江流域资源与环境 >> 2016, Vol. 25 >> Issue (04): 573-579.doi: 10.11870/cjlyzyyhj201604006

2014年1月沪渝高速公路汉宜段一次大雾个例分析

何明琼¹, 王丽娟¹, 付佳¹, 张振武²

1. 湖北省气象服务中心, 湖北武汉 430205;
2. 湖北楚天高速公路股份有限公司, 湖北武汉 430051

收稿日期:2015-07-20 修回日期:2015-09-06 出版日期:2016-04-20
作者简介:何明琼(1966~),女,高级工程师,主要从事专业气象服务研究.E-mail:hmqlight01@163.com
基金资助:
湖北省气象局拔尖人才专项基金

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. 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

摘要/Abstract

摘要： 对2014年1月29~31日发生在沪渝高速公路湖北武汉—宜昌段(简称汉宜高速公路)的封路大雾过程气象要素进行分析。结果表明:(1)此次持续大雾过程发生时,近地层有逆温,地面处于高压底部前端的均压场,中纬度维持偏西气流,为大雾的形成和发展提供了有利的环流背景场条件;大雾消散后,地面处于冷高压控制;2)大雾造成的高速公路封路、解封前后,气象要素发生了较明显的变化。这些分析结果,对汉宜高速公路的大雾预警预报具有较好的指示意义。

关键词: 高速公路, 大雾, 个例分析

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

中图分类号:

P462.4

何明琼, 王丽娟, 付佳, 张振武. 2014年1月沪渝高速公路汉宜段一次大雾个例分析[J]. 长江流域资源与环境, 2016, 25(04): 573-579.

HE Ming-qiong, WANG Li-juan, FU Jia, ZHANG Zhen-wu. A CASE ANALYSIS ON A HEAVY FOG AT SHANGHAI AND CHONGQING HIGHWAY HAN-YI SECTION[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(04): 573-579.

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