落区
- 网络fall zone
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用MAPS模式预报冰雹落区
The prediction of hailstone area by maps model
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SVM方法与长江上游降水落区预报
SVM Method and Rain Location Prediction in the Upper Reach of Yangtze River
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广西98.6暴雨过程的Q矢量分析及落区预报
The Q Vector Analysis And Falling Area Forecast Of " 98.6 " Torrential Rain In Guangxi
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提出了在实际预报业务中,应用Q矢量场作暴雨落区预报的着眼点。
Further more , the forecast method of heavy rain area with Q-vector field in operational forecast practice is indicated .
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从动力学角度解释了用非地转Q矢量散度场来判断暴雨落区要比用准地转Q矢量散度场好的原因。
The cause that ageostrophic Q vector are better than quasi geostrophic Q vector divergence fields responding to the rainfall area was represented dynamically .
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为了安全穿过冒落区,需对冒落区进行有效可行的加固处理,根据冒落区的实际情况确定架U棚、直接做开切眼、注浆加固三种治理方案;
In order to pass through the dropping district safely , it requires to a feasible plan to consolidate the district effectively according to the actual situation .
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T(42)和EC产品在安徽5&7月暴雨落区预报中的应用
The application of t_ ( 42 ) and EC product in the forecasting of hard rain falling range from May to July in Anhui Province
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试验表明,预报的降水场有了相当程度的改善,预报强降水落区与实况非常接近,spinup问题改进了25%。
The precipitation forecast was improved quantitively , the forecasted severe convection area was consistent with the observation , and the spin up was reduced as much as 25 % .
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在地面沉陷区域,层状结构被打破,瑞雷波速度存在明显差异,特别在冒落区和煤柱上方,其速度断面图多呈V字型分布。
In subsided areas , obvious differences in Rayleigh wave velocity are in existence , especially above subsided areas and coal pillars and the velocity section shows itself mainly in ″ V ″ type .
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改进了热带气旋暴雨的落区及降水强度,且主要落区误差的修正位于热带气旋移动路径的右侧并同主要的SST降温区相关;
The distribution and intensity of mesoscale rainfall are improved , with main distribution correction lying on the right of cyclone track and correlating with SST dropping area .
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根据华北暴雨日降水量落区的相似性原则,通过K-means聚类方法,可将华北暴雨分成3类。
( 4 ) Heavy rainfall can be categorized into three types according to the similar distribution of its daily rainfall amount by means of K-means clustering algorithms .
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选取1970-1995年暴雨个例,采用F判别方法对产生暴雨的天气形势进行分型,选取发生暴雨的落区及强度预报指标,研制了暴雨的多维相似预报方法。
Based on the data from 1970 to 1995 , the circulation patterns producing torrential rain have been divided using F distinction and the indicators for forecasting rainstorm areas and intensity have been chosen and the forecasting method for torrential rain areas and intensity is developed .
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暴雨落区与低层正MPV1(湿正压项)区域对应。
The falling area of rainstorm corresponds to the area of positive MPV_1 ( wet barotropic term ) .
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模拟结果表明,显式方案对降水落区和强降水中心位置的预报较原HLAFS的大尺度饱和凝结方案有明显改进。
The simulation results of the explicit schemes were better than that of the old diagnostic cloud scheme of HLAFS for rainfall location .
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本文分析了MM5中4个主要方案地表通量和垂直混合参数化方案的不同以及它们对降水强度、落区和时间的影响。研究还发现;
Analysis was focused on the impacts of the surface fluxes and the vertical mixing in 4 selected PBL parameterizations on rainstorm intensity , region and time .
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2003年广东省一次强对流出现前不稳定度发生突变,其主要落区为△θse(500-850)负值中心或梯度大且△θse(500-850)值较小的区域。
A case of strong convection in 2003 occurred prior to sudden change of instability with major area of precipitation in a center of negative value of △θ se ( 500-850 ), or in an area of large gradient but small △θ se ( 500-850 ) value .
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结果表明,Gregory质量通量方案能给出较Kuo型方案更加合理的降水落区,并且对降水量的预报也有显著的改进。
The simulations show that the Gregory parameterized scheme , which is still used in the United Kingdom Meteorological Office routine model , simulates more reasonable rainfall area amount and distribution compared to the Kuo type scheme .
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对渭河支流上游两次致洪暴雨过程进行了对比分析,结果表明:在泾河上游,两次大暴雨的落区相差在100km以内;
The two flood rainstorm on Weihe river upriver have been contrast analysised , the result show : on the JingHe river upriver , the two rainstorm region are no more than 100 kilometer apart ;
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结果表明:Betts方案能较好的预报出台风移动的路径和降水过程,并在台风路径、降水落区预报以及对流增温的垂直分布等方面都略优于Kuo方案的预报结果。
The numerical experiment is performed and results show that the convective scheme is capable of better simulating the typhoon track and precipitation , and it is better than that of Kuo scheme in typhoon track and precipitation area and convective heating profile .
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利用AMSU-A温度反演资料能够清晰地揭示热带气旋的暖心结构、地面风速和中心气压与250hPa温度距平的关系,以及强降水的落区等。
The retrieval of temperatures from AMSU-A soundings is able to clearly reveal the warm-core structure of the cyclone , surface wind speed and sea-level central pressure in relation to the 250-hPa temperature anomaly and a surface area of strong precipitation .
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解释台风暴雨落区判据的探讨
A study on the criterion for interpreting typhoon heavy rain location
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暖层云人工催化降雨落区的数值模拟
Numerical simulation for target area of precipitation stimulation in warm stratus
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应用数值预报产品作热带气旋暴雨落区预报
Using NWP production to forecast torrential rain region of tropical cyclone
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水库消落区土地利用优化方法研究
Study on optimal method for land use of reservoir drawdown area
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强降水落区中单站降水诊断分析和预报
Diagnostic Analysis and Single-Station Area Forecast of a Strong Precipitation Event
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中国年最大致洪暴雨落区研究
Study on flood - causing annual maximum storm over China
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地面辐合线与强对流天气落区
Surface Convergence Line and Precipitation Area Forecast of Heavy Convective
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基于链码信息的雹云识别及冰雹落区定位
Recognition and positioning of hailstorm based on chain code information
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中尺度区域内暴雨落区预报的探讨
A Primary Study of Forecasting Heavy Rain Fields in a Meso-scale Area
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三峡库区消落区几种两栖植物的适生性评价
Evaluation of adaptability of plants in Water-Fluctuation-Zone of the Three Gorges Reservoir