The Meteorology Modeling system, version 5(MM5), was used to obtain the wind velocity and direction data.
我们利用中尺度气象模型MM5模拟气象场，计算得到了全年石家庄市风向、风速数据。
This paper does the experiments of Doppler radar's Four-dimensional Variational Assimilation in MM5 model.
本文的工作就是多普勒雷达资料在MM 5模式中的四维变分同化试验。
Lastly radar wind field and radar humility field are assimilated in the MM5 4d Variational Assimilation System.
最后把雷达风场和雷达湿度场同化到MM 5四维变分同化系统中。
The results show that (1) MM5 is better in simulation of steam field, sea-level pressure field and precipitation.
结果表明：（1）MM5模式能够较好地模拟出风场、气压场、降水量场，在预报业务实践中有很好地参考价值；
MM5 model can well reappeared the large scale and mesoscale circumfluence systems of LiaoDong Peninsula heavy rainstorm.
MM 5模式能够很好地再现辽东半岛大暴雨的大、中尺度环流系统。
The echo intensity data of Hefei Doppler radar observations come into being the initial fields of MM5 sensitive experimentation.
将安徽合肥新一代天气雷达观测的回波强度按上述方法加入到MM5中，形成敏感试验的初始场。
The results show that this system has powerful assimilation capacity and is able to improve the accuracy of MM5 model rainfall forecast.
试验表明该系统有较强的同化能力，能够提高MM 5降水预报的准确性。
In order to prove that it is a feasible way to manage visualization data, we realize a data management system (DMS) for MM5 weather model output data.
为了验证我们的方案，针对MM 5气象模式的数据输出实现了一个数据管理系统(DMS)。
By using non-hydrostatic model MM5 V3, a snow took place on dec. 7,2001 in Beijing is simulated. The roles of cloud and micro-physical process are analyzed.
应用非静力平衡MM5V3模式对2 0 0 1年1 2月7日一次北京降雪过程进行了数值模拟试验，对云和降水物理过程的作用进行了初步分析。
The comparisons among the experimental precipitation predictions of the MM5, T213 and HLAFS have shown that further improvements should be made on the HLAFS model.
通过对MM5模式、T213模式和HLAFS模式的降水预报的结果对比分析，可以看出HLAFS模式的降水预报的效果还需改进。
The tropical cyclones forecasting operational system in Liaoning province and its forecasting results in the year of 2005 were introduced based on MM5 in this paper.
介绍了在MM5模式基础上建立起来的辽宁省热带气旋模式预报业务系统及2005年的预报情况。
Furthermore, the conventional observations are done in the MM5 model system, and a four-dimensional variational data assimilation test is made based on observed data.
最后对MM5伴随模式系统进行了梯度检验，并利用实际资料进行四维变分资料同化试验。
We use the ice-ocean coupled model, which is driven by simulated atmospheric forcing of MM5, to simulate the seasonal variation of 2003/2004 ice cover in the Bohai Sea.
MM5数值产品作为大气强迫，利用冰-海洋耦合模式模拟2003～2004冬季渤海海冰演变过程。
The results show that MM5 can forecast the heavy rain process in Northwest Sichuan Basin, the centre intensity and location of the forecast precipitation are close to the observation.
结果表明：(1)MM 5模式准确地预报出盆地西北部大暴雨过程，在降水的中心强度和位置预报上非常接近实况。
The rainfall spatial distribution simulated by GRAPES is better than that simulated by MM5. However, the maximum values of the precipitation center are much less than the results of MM5.
但是在降水中心的分布以及降水量级上与实况仍有一定程度的差异，GRAPES模式模拟出的总体落区略优于MM5，而MM5对降水量级的预报好于GRAPES。
MM5 was employed to investigate the sensitivity of the simulation to the planetary boundary layer (PBL) parameterizations through the simulation of a rainstorm over the Yangtzi River Basin.
用MM5对长江流域的一次暴雨进行模拟考察其对行星边界层参数化的敏感性。
The retrieval atmospheric three-dimensional wind field are compared with the three-dimensional wind field output by MM5 numerical simulation to show the reliability of this retrieval method.
反演出的三维风场再与MM 5数值模式输出的三维风场加以比较，验证此种反演方法的可靠性。
MM5, GRAPES and AREM are of better prediction ability, especially in precipitation areas, intensity and evolution. The simulations by MM5 and AREM models are almost identical with the observed.
GRAPES和AREM显示了较好的预报能力，特别是MM5和AREM模式的预报在落区、强度和降水演变上与实况较一致。
The comparisons between results of simulation and objective analysis have shown that MM5 has the ability to replicate large scale and mesoscale circulation systems and their thermodynamic field.
数值模拟结果和客观分析结果的比较表明，非静力中尺度数值模式MM5有能力再现地面以上大、中尺度环流系统和热力场；
The comparisons between results of simulation and objective analysis have shown that MM5 has the ability to replicate large scale and mesoscale circulation systems and their thermodynamic field.
数值模拟结果和客观分析结果的比较表明，非静力中尺度数值模式MM5有能力再现地面以上大、中尺度环流系统和热力场；
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