<div class="eI0"> <div class="eI1">模å¼:</div> <div class="eI2"><h2>Ensemble forecast charts of several different numerical weather prediction (NWP) models</h2></div> </div> <div class="eI0"> <div class="eI1">æ›´æ–°:</div> <div class="eI2">2 times per day, from 05:00 and 17:00 UTC</div> </div> <div class="eI0"> <div class="eI1">æ ¼æž—å°¼æ²»å¹³æ—¶:</div> <div class="eI2">12:00 UTC = 20:00 北京时间</div> </div> <div class="eI0"> <div class="eI1">Resolution:</div> </div> <div class="eI0"> <div class="eI1">å‚é‡:</div> <div class="eI2"><font face="夹å‘ç °" size="2"> RH 700 hPa:<br>700百帕ç‰åŽ‹é¢ç›¸å¯¹æ¹¿åº¦ </div> </div> <div class="eI0"> <div class="eI1">æè¿°:</div> <div class="eI2"> 这幅图åæ˜ 700百帕ç‰åŽ‹é¢çš„相对湿度。 在槽å‰æˆ–锋区附近,暖空气被抬å‡ã€‚当上å‡ç©ºæ°”冷å´æ—¶ï¼Œ å…¶ç›¸å¯¹æ¹¿åº¦å¢žåŠ ï¼Œæœ‰æ—¶å¯¼è‡´æ°´æ±½å‡ç»“,形æˆäº‘。 这个过程称为锋é¢æŠ¬å‡ã€‚700百帕(相当于3000米左å³é«˜åº¦)高相对湿度区说明当地有抬å‡ï¼Œ å› æ¤æ˜¯å¤©æ°”活跃区。<br><br> </div>