<div class="eI0"> <div class="eI1">Modelo:</div> <div class="eI2"><h2><a href="http://www.dwd.de/" target="_blank" target="_blank">ICON</a>(ICOsahedral Nonhydrostatic general circulation model) from the German Weather Service</h2></div> </div> <div class="eI0"> <div class="eI1">Actualização:</div> <div class="eI2">4 times per day, from 08:00, 14:00, 20:00, and 00:00 UTC</div> </div> <div class="eI0"> <div class="eI1">Greenwich Mean Time:</div> <div class="eI2">12:00 UTC = 12:00 WET</div> </div> <div class="eI0"> <div class="eI1">Resolution:</div> <div class="eI2">0.125° x 0.125°</div> </div> <div class="eI0"> <div class="eI1">parâmetro:</div> <div class="eI2">Maximum Temperature at 2 metres above the ground</div> </div> <div class="eI0"> <div class="eI1">Descrição:</div> <div class="eI2"> This map shows the highest temperature between 6 to 12 and 12 to 18 UTC. Though the modeled 2m-temperature often is not in agreement with the actual observation, together with 1. the temperature at 850 hPa, 2. SYNOP reports 3. and a skillful synoptic meteorologist, excellent Tmax 2m forecasts are possible. </div> </div> <div class="eI0"> <div class="eI1">Cluster of Ensemble Members:</div> <div class="eI2"> 20 members of an ensemble run are divided into different clusters which means groups with similar members according to the hierarchical "Ward method" The average surface pressure of all members in each cluster are computed and shown as isobares. The number of members in each cluster determines the probability of the forecast (see percentage) </div> </div> <div class="eI0"> <div class="eI1">Dendrograma:</div> <div class="eI2"> A dendrogram shows the multidimensional distances between objects in a tree-like structure. Objects that are closest in a multidimensional data space are connected by a horizontal line forming a cluster. The distance between a given pair of objects (or clusters) are indicated by the height of the horizontal line. [http://www.statistics4u.info/fundstat_germ/cc_dendrograms]. The greater the distance the bigger the differences. </div> </div> <div class="eI0"> <div class="eI1">ICON:</div> <div class="eI2"><a href="http://www.dwd.de/" target="_blank">ICON</a> The ICON dynamical core is a development initiated by the Max Planck Institute for Meteorology (MPI-M) and the Opens external link in current windowGermany Weather Service (DWD). This dynamical core is designed to better tap the potential of new generations of high performance computing, to better represent fluid conservation properties that are increasingly important for modelling the Earth system, to provide a more consistent basis for coupling the atmosphere and ocean and for representing subgrid-scale heterogeneity over land, and to allow regionalization and limited area implementations.<br> </div></div> <div class="eI0"> <div class="eI1">NWP:</div> <div class="eI2">A previsão numérica do tempo usa o estado instantâneo da atmosfera como dados de entrada para modelos matemáticos da atmosfera, com vista à previsão do estado do tempo.<br> Apesar dos primeiros esforГ§os para conseguir prever o tempo tivessem sido dados na década de 1920, foi apenas com o advento da era dos computadores que foi possГvel realizá-lo em tempo real. A manipulaГ§ão de grandes conjuntos de dados e a realizaГ§ão de cálculos complexos para o conseguir com uma resoluГ§ão suficientemente elevada para produzir resultados Гєteis requer o uso dos supercomputadores mais potentes do mundo. Um conjunto de modelos de previsão, quer à escala global quer à escala regional, são executados para criar previsГµes do tempo nacionais. O uso de previsГµes com modelos semelhantes ("model ensembles") ajuda a definir a incerteza da previsão e estender a previsão do tempo bastante mais no futuro, o que não seria possГvel conseguir de outro modo.<br> <br>Contribuidores da Wikipédia, "Previsão numérica do tempo," Wikipédia, a enciclopédia livre, <a href="http://pt.wikipedia.org/w/index.php?title=Previs%C3%A3o_num%C3%A9rica_do_tempo&oldid=17351675" target="_blank">http://pt.wikipedia.org/w/index.php?title=Previs%C3%A3o_num%C3%A9rica_do_tempo&oldid=17351675</a> (accessed fevereiro 9, 2010). <br> </div></div> </div>