07.060

47

DB42 DB42/T

2058—2023持續(xù)低溫雨雪冰凍過程強(qiáng)度等級Intensity

grade

continuous

low

temperature,

rain

and

snow

freezingprocess湖北省市場監(jiān)督管理局??發(fā)

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20582023

III

...............................

10

DB42/T

20582023 本文件按照GB/T

1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則

第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定

hubeiqixiangfgc@163.com

DB42/T

20582023

GB/T

GB/T

surface

meteorological

station

continuous

low

temperature

process

continuous

and

snow

process

longest

continuous

low

temperature

average

temperature

extreme

minimum

temperature??????DB42/T

2023

longest

continuous

rain

and

snow

amount

of

rain and

snow

continuous

low

temperature,

rain

and

freezing

process在連續(xù)雨雪過程的同時或前后出現(xiàn)連續(xù)低溫過程，且二者至少有1日重疊的天氣過程。將二者開始持續(xù)低溫雨雪冰凍過程綜合指數(shù)

of

continuous

low

temperature,

rainand

snow

freezing

process

某一測站持續(xù)低溫雨雪冰凍過程采用五個因子進(jìn)行綜合評估，見表1。表1

12（8，12]DB42/T

20582023表2

湖北省

10

個典型代表站（武漢、咸寧、鐘祥、荊州、麻城、棗陽、恩施、宜昌、老河口、房縣，多年來氣湖北省

10

個典型代表站（武漢、咸寧、鐘祥、荊州、麻城、棗陽、恩施、宜昌、老河口、房縣，多年來氣

DB42/T

2023

）的計(jì)算見公式A.1、A.2、A.3、A.4、A.5、A.6：

??

????

??

????

?

???

?

?????

?

?

?=1

?

???

?=1

?

??

?=1

????

?=1

?????

?

?

?

???

?

?????

??

????

1519131012151922111275.75968.125.545.744.2-5.2-9.4-8.69.678.56

21101112221269.272.857.543.720.179.879.8-6.9-6.6-8.8-3.1-2.915.39.878.718.578.27

1617121112112022121258.743.214.425.53025.859.635.321.639.856.9-8.6-8.4-9.6-4.3-6-6.9-6.4-6.2-1.79.289.279.138.668.488.13

11121016121615576322.554.235.330.123.5-9.2-4.4-3.5-9.4-4.4-5.99.288.818.12DB42/T

20582023

10

B.1

10

日數(shù)（d）日數(shù)（d）

191010161349.96421.418.8-7.2-6.8-7.5-8.5-2.1-2.99.639.048.448.17

65.3-7.69.61

22131326.228.32912.235.5-2.9-6.5-3.6-2.2-4.3-2.3-1.20.059.158.51

16171018101043.918.628.216.835.63623.6-6.2-8.9-3.5-5.6-3.7-4.8-5.3-0.6-1.58.61

1710131410192110171352.517.748.132.516.273.141.8-5.4-6.6-6-4.615.69.579.238.398.348.21

1219211510102312121227.712.211.411.410.424.516.213.8-7.6-9.3-6.9-8.1-8.98.678.678.548.328.19DB42/T

2023

B.1

10

個典型代表站嚴(yán)重及特重等級持續(xù)低溫雨雪冰凍過程及特征量(續(xù))DB42/T

20582023

[1]

22-2004

30年整編常規(guī)項(xiàng)目及其統(tǒng)計(jì)方法[2]

中國氣象局.地面氣象