查询词典 squall

The results show that this process is mainly triggered by the upper and lower shear line and the humidity mutation line on the ground is the indication of the squall line formation and development.

结果表明：中低空切变线是此次强对流天气的触发系统，地面湿度突变线对飑线的生成及发展具有指示意义。

A squall line that occurred on 28 April 2006 in Shandong province is investigated by using multiple observations of satellite, radar and data measured at mesoscale automatic weather stations.

利用卫星、雷达及山东省中尺度自动站网获取的多种观测资料分析了2006年4月28日主要发生在山东境内的一次飑线过程。

The severe storms on the squall line had large radar reflectivity and high tops of echoes.

临近预报系统可作为强对流临近预报的有力工具。

A squall line in MCC was monitored by using terminal Doppler radar and AWOS, and the value of low-level wind shear was calculated to provide for Guangzhou Baiyun airport.

利用广州白云机场的多普勒雷达和地面自动站资料对MCC内部的跑线进行实时监测，得到低空风切变对机场的影响情况。

Radar data assimilation had a obviously improved effect on the mesoscale system in ground of squall line, especially in the previous 2-3 hours, which made the ground thunderstorm high pressure of simulation and wind field closer to the observation.

雷达资料同化对飑线地面中尺度系统的模拟有明显的改进作用，尤其是在前23 h效果非常明显，使模拟的地面雷暴高压和风场更接近实况。

A numerical study of the along-line variability of a frontal squall line during PRE-STORM.

利用 PRE-STORM 期间在85年6月26~27日出现的一锋面飑线的18小时预报考察了中尺度和大尺度环流在飑线沿线变率生成过程中的作用。

Before convective cell move into squall line, it can become a mature supercell with TBSS and BWER features.

对流单体并入飑线前，可发展为成熟的超级单体，有TBSS和BWER等特征，垂直累积液态水含量可达70kg·m^-2，造成局地大冰雹。

A numerical experiments to forecast a squall line storm system passing through the Oklahoma State is performed by using the Advanced Regional Prediction System developed by the Center for Analysis and Prediction of Storms at the University of Oklahoma in the United States.

运用美国风暴分析预报中心的改进的区域系统模式对移经美国俄克拉何马州的一个强雷暴系统进行了数值预报试验，结果表明，初始场中引入多普勒雷达观测资料后明显地改进了预报。

The results suggest that the squall line occurred under the favorable weather conditions.

结果表明：飑线是在有利的天气形势下发生的，飑线上强风暴的强度大、高度高；飑线速度剖面图中显示有低层辐散、中层辐合、高层辐散的特征；垂直累积液态水含量迅猛增加到比较大的数值对冰雹预报有很好的指示意义；在冰雹指数产品中以强冰雹概率大于30%作为冰雹预警门限则有较好的效果；边界层辐合线起到了触发对流和加强对流的作用。

The meso-scale convective cell in squall line causes severe convective wind.

由镶嵌在飑线中的小尺度超级单体造成对流性大风。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。