The long term forecast for the 21st century includes more of these extreme events-and more severe ones at that.

21世纪的长期天气预报不仅包括这些极端事件，还包括更为严重的事件。

Looking at NOAA's long term forecast from March through May, it does look like the vast majority of the country is looking at much warmer than normal temperatures.

回顾美国国家海洋和大气管理局从3月到5月的长期预测，看起来全国绝大多数地区的气温都比正常温度高得多。