据其分析,发生龙卷风,和强对流天气有关。
According to its analysis, a tornado, and strong convective weather.
它能预示强对流天气层结的不稳定特征和高能量。
Warning index pattern show convective instability characteristic and high energy.
本文用主分量分析法建立了雷云等强对流天气的综合判别式。
This paper presents a comprehensive recognition formula of hailstorm cloud by using principal component analysis.
对流有效位能(CAPE)是强对流天气分析预报的重要参数。
CAPE is an important parameter in strong convective weather analysis and prediction.
初秋季节,早晚凉,白天热,温差较大,局部容易形成强对流天气。
Early autumn season, and sooner or later cooler daytime heat, temperature larger, local becomes strong convective weather.
近几十年,多普勒雷达资料,在强对流天气监测及预报中广泛应用。
During the past few decades, observations from Doppler radars are widely used in diagnostic studies of convective systems, severe weather detection, and short-term forecasting.
结果表明,纯粹的海陆风环流或热岛环流触发对流天气的可能性不大。
The result indicates that the probability of causing strong convective activity both in pure sea breeze and pure UHI is small.
分析指出,该飑线系统是由高空槽前型的上干下湿引起的不稳定强对流天气。
The squall line is a kind of instable and strong convective weather caused by the air with upper-layer dry and lower-layer wet in front of the upper-troposphere trough.
高空前倾槽的结构加大了大气的垂直不稳定,是引起强对流天气的重要原因。
The structure of the forward-tilted trough increases the atmospheric instability and caused the severe convective weather.
在强对流天气潜势预报中,强垂直温度梯度有时比对流有效位能更有指示性。
The strong vertical temperature gradient is sometimes more indicative than the convective available potential energy in making potential prediction of severe convective storms.
了解强不稳定度参数及其使用特性无疑对强对流天气的分析与预报有很大帮助。
To know the environmental instability parameters and their character will undoubtedly be beneficial to severe weather forecasting.
结果表明,这次强对流天气过程是在有利的天气背景下,由一系列的强风暴引发的。
The results indicate that this severe convection is caused by a series of severe storms under advantageous synoptic background.
提高对流天气临近预报准确率的关键问题之一是了解大气的垂直稳定度和垂直风切变。
To improve the accuracy of convection weather forecast, one of the key issues is to find out the atmospheric vertical stability and wind shear.
本文研究多普勒天气雷达风场信息变分同化技术在华南强对流天气数值预报中的应用。
It is studied in this paper how to apply the wind field variational assimilation technique of Doppler weather radar in numerical prediction of severe convection weather in South China.
结果表明用该方法建立不同地区和不同季节的雹云等强对流天气综合判别式是可行的。
The results show that the comprehensive recognition formulae of hailstorm cloud established by this method are effective.
冰雹、雷雨大风这类强对流天气的雷达回波移动速度快,而局地暴雨的雷达回波移动速度缓慢。
Comparing with local heavy rain, the movement of radar echoes of hailstorms and thunderstorms is rapid.
初步揭示出地形对两类对流天气的影响机制,其结果对进一步分析研究和准确预报强对流天气具有重要意义。
Consequently, the mechanism of topography effect on convective weather has been revealed. The result is very important for the analysis and forecasting of strong convective weather.
根据2003年几次强对流天气的观测资料,对其中三体散射长钉、二次回波旁瓣回波等虚假回波进行了分析。
The analysis of the virtual echo such as three -body scatter spike echo, the secondary echo, the side -lobe echo is given echo based on observational re cords of severe convectional weather in 2003.
结果表明:螺旋度作为强对流天气分析预报中的一个重要物理量,在沙尘暴的预报中同样具有很好的指示意义。
As an important physical parameter in analyzing and predicting strong convective weather, the helicity also has good indication in the forecasting of sandstorm.
分析了当前专业预报服务的现状,根据需要建立了一套完善的强降水、强对流天气动态监测、分析和预报服务系统。
We analyzed the actuality of professional forecasting service, and then constructed a perfect dynamic monitoring, analyzing and forecasting serving system for heavy rainstorm and severe convection.
利用濮阳、三门峡新一代天气雷达产品及云图、自动站等资料,分析了2006年6月28日河南省强对流天气过程。
By using Puyang and Sanmenxia CINRAD product combined with satellite cloud pictures and auto-station data etc, the severe convection weather process of Henan on June 28, 2006 was analyzed.
利用十堰714c天气雷达回波资料,结合其它天气资料,分析了2004年7月6日发生在十堰境内的强对流天气过程。
By using the 714c radar echo data in Shiyan and other weather data, a severe convective weather event in Shiyan on 6, July 2004 is analyzed.
本文总结了强对流天气发生的条件,提出了触发机制的概念,并给出了强对流天气条件下,预报强对流天气发生地点的方法。
The article sums up the conditions that occurs strong convective weather, raises a new concept of excitation mechanism, and, gives out a way to forecast strong convective taking place site.
为了提高气象预报业务水平,特别是强对流天气的临近预报能力,提出利用高斯描绘子来进行识别和跟踪天气雷达的回波轮廓。
For improving the level of weather forecast, a new method that weather radar echo boundaries can be recognized and tracked by Gaussian descriptors is proposed.
该数据还分析了天气变化对巴基斯坦大洪水和俄罗斯热浪的推动作用,认为六月到八月的一场“异常强烈的(对流层顶的)射流”是最终原因。
The analysis also tracked weather changes that contributed to massive floods in Pakistan and a heat wave in Russia, saying an "unusually strong jet stream" from June to August was to blame.
平流层大约从距离地面12公里开始,天气系统例如季风通常在对流层上发生。
The stratosphere begins about 12 kilometres up, above the troposphere where weather systems like the monsoon develop.
天气我们所知道的也发生在对流层的地方,在上升和下降通过空气对流。
Weather as we know it also takes place in the troposphere, with the rising and falling of air through convection.
对流使上下层空气混合,热量、水汽和悬浮颗粒可以往上输送,从而引起了各种天气活动。
Convection on the lower deck of the air mixture, heat, water vapor and aerosols can go to transportation, which led to a variety of weather events.
对流使上下层空气混合,热量、水汽和悬浮颗粒可以往上输送,从而引起了各种天气活动。
Convection on the lower deck of the air mixture, heat, water vapor and aerosols can go to transportation, which led to a variety of weather events.
应用推荐