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Blocking Patterns

机译:阻塞模式

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摘要

Consider two scenarios: Cold fronts zip through the area, leaving a path of devastation from thunderstorms, tornadoes, hail, and torrential rains. You sweat a few hours of intense weather and are rewarded with a couple days of blue skies as a ridge of cooler and dryer air mass settled into your area. The second situation presents day after day after day of low ceilings, crummy visibility, drizzle and drenching rainfall. Turn down the temps a bit and now you can throw in the potential for icing. This is common to what's called a blocking pattern. No ridge moves in behind it. Blocking weather patterns aren't too common, but whenever they occur they can be memorable by overstaying their welcome. Blocking can happen any time of the year bringing flooding rains, heavy snowfall, or drought conditions to a large portion of the country lingering for days or even weeks.
机译:考虑以下两种情况:冷锋穿过该区域,留下雷雨,龙卷风,冰雹和暴雨的破坏路径。您在几小时的强烈天气中出汗,随着天气凉爽和干燥,空气进入您的区域,您会得到几天的蓝天。第二种情况是日复一日,天花板低,能见度差,细雨和淋雨。稍微降低温度,现在就可以发挥糖衣的潜力了。这在所谓的阻塞模式中很常见。没有山脊向后移动。阻止天气模式不是很常见,但是每当出现天气模式时,都会因过分受到欢迎而令人难忘。封锁可能会在一年中的任何时候发生,从而使该国大部分地区持续数天甚至数周的漫长降雨,大雪或干旱情况。

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  • 来源
    《IFR》 |2003年第9期|p.8-923|共3页
  • 作者

    Scott C. Dennstaedt;

  • 作者单位

    IFR;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 航空;
  • 关键词

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