什么是“炸弹生成”?
什么是“炸弹生成”?
The word "bombogenesis" is more than a potentially great name for your next band; it's also a cool weather term you may have heard being thrown around by meteorologists. But what exactly is it?
“炸弹生成”这个词不仅仅是你下一个乐队的一个潜在的好名字;这也是一个很酷的天气术语，你可能听过气象学家说过。但它到底是什么?
Those in the path of a powerful 'bombogenesis' storm system should prepare for high winds and whiteout snow conditions. (Photo: Jan Day/Shutterstock)
A bombogenesis or bomb cyclone, is used to describe an extreme drop in pressure of 24 millibars in 24 hours. These rapidly strengthening storms occur when a large temperature gradient is formed between a cold continental mass of air and warm sea-surface temperatures. These air masses mix to form what's called an "extratropical cyclone," with cold air at its core deriving energy from the mixing of hot and cold air masses around it.
“炸弹生成”(bombogenesis)或“炸弹旋风”(bomb cyclone)是用来描述24小时内压力骤降24毫巴的现象。当寒冷的大陆气团和温暖的海洋表面温度之间形成巨大的温度梯度时，这些迅速增强的风暴就发生了。这些气团混合形成所谓的“温带气旋”，冷空气在其核心从周围的冷热气团混合中获得能量。
These storms commonly happen along the East Coast — nor'easters in particular are often formed through the process of bombogenesis — but that's not the only place they occur. Currently, New England is under threat with the possibility of tropical storm-force winds, reports CNN. That follows a coastal storm that swept through just last week, meaning the additional rain, high winds and heavy flooding are likely to cause problems from Cape Cod up through Canada.
这些风暴通常发生在东海岸——尤其是东北风，通常是通过炸弹生成过程形成的——但这并不是它们发生的唯一地方。据美国有线电视新闻网报道，目前，新英格兰正面临着热带风暴的威胁。就在上周，一场沿海风暴席卷了整个加拿大，这意味着额外的降雨、大风和严重的洪水可能会造成从科德角到加拿大的问题。
Bombogenesis storms, which can form over both land and sea, generally occur between October and March. The energy created from the colliding air masses is so great that the resulting storms can sometimes rival the wind speeds of hurricanes.
炸弹生成风暴，可以在陆地和海洋上形成，通常发生在10月到3月之间。相互碰撞的气团产生的能量是如此之大，以至于产生的风暴有时可以与飓风的风速相媲美。
What a bombogenesis generally means for those living in its path is blizzard conditions of extreme snow and wind.
“炸弹生成”对于那些生活在其路径上的人来说，通常意味着极端的风雪天气。
How do you prepare for a bombogenesis? Stock up, stay warm, throw another log on the fire, and keep off the roads. This is one cold punch of powder best experienced from behind a window.
如何为炸弹生成做准备?准备好，保持温暖，在火上再扔一根木头，并且远离道路。这是一种冰冷的粉末，最好从窗户后面体验。
