DB43-T 2055-2021 水上交通气象灾害风险预警等级划分和评判标准

ICS

07.060CCS

43湖 南 省地方 标 准DB43/T

2055—2021水上交通气象灾害风险预警等级划分和评判标准Classification

and

Evaluation

Criteria

for

Early

Warningof

Meteorological

Disaster

Risk

in

Watorborne

Traffic2021

-

04

-

02

发布

2021

-

-

实施湖南省市场监督管理局

发

布DB43/T

2055— 前言························································································································

Ⅲ1 ·····················································································································12 规范性引用文件······································································································13 术语和定义············································································································14 水上交通气象风险预警等级划分一般规则·····································································25 水上交通主要气象风险因子及预警等级标准··································································35.1 风··················································································································35.2 能见度············································································································35.3降雨···············································································································35.4 降雪···············································································································45.5 强对流天气······································································································45.6冰冻···············································································································45.7 等级判别·········································································································5附录

A（资料性）

········································································································6表

A.1 蒲福风力等级表····························································································

6表

A.2 湖南降雨等级·······························································································

7表

A.3 湖南降雪等级·······························································································

7DB43/T

2055— 本文件按照

GB/T

—2020《标准化工作导则 第

1

部分：标准化文件的结构和起草规则》的规定起草。请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。本文件由湖南省气象局提出。本文件由湖南省气象标准化技术委员会归口。本文件起草单位：湖南省气象服务中心、湖南省水运事务中心本文件主要起草人：郭海峰、廖春花、罗红梅、熊寄林、杨特群、禹伟、江涤非、贾海鹰、刘祥。本文件首次发布。IIIDB43/T

2055—1

本文件规定了水上交通气象灾害风险预警等级的划分规则和不同预警等级的气象指标判定阈值。本文件适用于湖南省水上交通气象灾害风险评估与预警。2

规范性引用文件文件。GB/T

27962—2011 气象灾害预警信号图标GB/T

28591—2012 风力等级GB/T

28592—2012 降水量等级GB/T

33673—2017 水平能见度等级GB/T

34297—2017 冰冻天气等级GB/T

21984—2017 短期天气预报QX/T

—2016 船舶引航气象条件等级QX/T

—2018 强对流天气等级3

术语和定义下列术语和定义适用于本文件。3.1水上交通 watorborne

船舶在通航水域从事航行、停泊和作业以及与内河交通安全有关的活动。3.2气象灾害

disaster由天气现象对人类的生命财产和国民经济建设及国防建设等造成直接或间接损害的灾害。3.3风险预警 risk

early

warning根据研究对象的实际情况及风险管理者的经验，合理划分风险预警区间，判断风险量所处状态。3.4阵风 gust一定时段内的最大瞬时风速。m/s）。[QX/T

21984—，定义

2.14]

aDB43/T

2055—3.5风力等级 wind

scale根据风对地面（或海面）物体影响程度而定出的等级，用来表示风速的大小。Beaufort

1805

Beaufort

）”，自零到

1946

0-17

[QX/T

21984—，定义

2.15]3.6水平能见度 视力正常（眼睛能察觉的最小亮度对比

0.05）的人，在当时的天气条件下，能够从天空背景中看最大水平距离。）。[GB/T

33673—2017，术语和定义

2.1]3.7降水量

渗透、流失而在水平面上积聚的深度。mm）。[QX/T

21984—，定义

2.16]3.8降水量等级

降水量大小的级别标准。湖南降水量等级见附录

。[QX/T

21984—，定义

2.17]3.9强对流天气

weather强对流天气是大气中对流发展旺盛时天气的总称，一般指短时强降水、雷暴、冰雹、对流性大风、龙卷等天气现象。3.10冰冻 过冷水滴、雾滴或湿雪与低于

0℃的物体碰撞立即冻结的现象。[GB/T

34297—2017，定义

2.4]4

水上交通气象风险预警等级划分一般规则

1。表

表

1水上交通安全气象灾害风险预警等级

2km1km

0.5km

b

c

d

ea

b

c

d

e

）；

）；

255）；

25597）；

255），

DB43/T

2055—表

1 表

1 水上交通安全气象灾害风险预警等级（续）5.1风风对水上交通可能造成安全隐患的风险等级见表

2。表

2 表

2 风对水上交通可能造成安全隐患的风险等级能见度对水上交通可能造成安全隐患的风险等级见表

3

。表

3表

3能见度对水上交通可能造成安全隐患的风险等级降雨对水上交通可能造成安全隐患的风险等级见表

4。12h12h

6h6h

3h50mm50mm3h

3h

24h3h

6h

12h

24h

24

12h4mm12h12h

6h10mm10mm6h6h6h

12h

12

24

24

12

DB43/T

2055—表

4表

4降雨对水上交通可能造成安全隐患的风险等级降雪对水上交通可能造成安全隐患的风险等级见表

5。表

5 表

5 降雪对水上交通可能造成安全隐患的风险等级强对流天气对水上交通可能造成安全隐患的风险等级见表

6。表

6 表

6 强对流天气对水上交通可能造成安全隐患的风险等级冰冻对水上交通可能造成安全隐患的风险等级见表

7。24

24

12

DB43/T

2055—表

7表

7冰冻对水上交通可能造成安全隐患的风险等级险预警的等级。DB43/T

2055—附

录 A（资料性）表

A.1蒲福风力等级表

/m

/m mile/h m/s km/h

0.1

0.1

0.1

0.1

烟能表示方向，但风

10

11

17

22

4.0

5.5

全树摇动，迎风步行 0.2 0.3

人面感觉有风，树叶

0.61.0

1.01.5

能吹起地面灰尘和纸 2.02.5

有叶的小树摇摆，内3.04.0

大树枝摇动，电线呼28

0.3

1.6

113.4

125.5

208.010.7

2910.8

3913.9

50

5.5

7.5

微枝折毁，人行向前

5.5

7.5

微枝折毁，人行向前

417.0

41陆上少见，见时可使

20.8

7510 9.012.5

树木拔起或使建筑物

48

24.5

89

56

6411

56

6412 14.0 陆上绝少见摧毁力

28.5

10332.7

11813 7237.0

13414 8141.5

15015 90 46.2

16716 100

51.0

18417