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150年来首次！双飓风或同时抵美国南部沿岸
观察者网
发布时间：08-2216:41观察者网官方百家号
（观察者网讯）美国国家飓风中心预测，当地时间下周一（24日），热带气旋“劳拉”、“马克”将几乎同时在墨西哥湾形成飓风、登陆美国南方沿岸，或成为150年来首次。而这对当地居民来说不是什么好消息。
欧洲研究模型预测，下周一美国南部沿岸将同时出现两场飓风
《华盛顿邮报》21日报道，当天早上在加勒比海背风群岛东北部形成了13号热带低压“劳拉”（Laura），是美国有纪录以来最早的“L”级风暴。此前的最早纪录“路易斯”风暴出现在1995年8月29日。
而另一个可能被命名为“马克”（Marco）的14号热带低压，现正途经墨西哥尤卡坦半岛。美国国家飓风中心预测，两个热带低压朝北行进，预计本周末将在墨西哥湾汇合。而预测显示，“劳拉”与“马克”行进路线相对接近，可能导致两个热带低压交互影响，从而增强飓风破坏性。
美国国家气象局预测“劳拉”、“马克”将于下周抵达美国墨西哥湾沿岸
其中“劳拉”可能在下周二增强为一级飓风，并可能登陆得克萨斯州与路易斯安那州；马克”可能在下周一抵达佛罗里达州南岸，并在周二左右增强为一级飓风，登陆阿拉巴马州等地。
美国国家海洋和大气管理局表示，两个热带气旋同时进入墨西哥湾的先例十分罕见，上一次还是在1933年。不过当时两者相距甚远，分别从美国沿岸的最西端（得州布朗斯维尔）与东端佛罗里达州登陆。
商业天气预报机构“地下天气”（Weather Underground）数据显示，85%的主要飓风与60%的冠名风暴源自大西洋热带气旋主要生成地区（MDR），很少出现在墨西哥湾。而两个飓风同时出现则更为罕见。墨西哥湾直径仅1600公里，如果飓风之间距离稍微靠近，就可能出现相互吸引的情况。
美国国家飓风中心给出的预测恰恰指向这一最糟糕场景：“马克”与“劳拉”可能会一西一东，分别从坎昆与古巴之间约240公里宽的狭窄门户进入墨西哥湾。如果两者距离与风速相近，将可能陷入相互“伴舞”的“双飓风”效应。
2017年，太平洋上的“希拉里”、“欧文”出现“双飓风”效应
该效应是指，当两个热带气旋同时形成并互相靠近时，将产生交互作用，运动轨迹会以两者连线的中心为圆心，绕着圆心互相旋转。若出现这样的情况，预计“马克”的风力可能会大幅度提升。
《华盛顿邮报》认为，这对于正处飓风旺季、被新冠疫情肆虐的佛罗里达及美国南部沿岸来说可谓雪上加霜，将严重限制当地的防灾资源。文章提醒住在佛罗里达州或墨西哥沿岸的美国居民，应该随时关注最新的气象预报。
For the first time in 150 years! Two hurricanes may reach the southern coast of the United States at the same time
Observer network
Release time: 08-2216:41 official number of observer website
(observer's website) - the US National Hurricane Center predicts that tropical cyclones "Laura" and "mark" will form a hurricane in the Gulf of Mexico and land on the southern coast of the United States at almost the same time next Monday (24 local time), or become the first time in 150 years. And that's not good news for local residents.
European research models predict two simultaneous hurricanes along the southern coast of the United States next Monday
"The Washington Post" reported on the 21st that morning in the northeast of the Caribbean Leeward Islands formed a tropical low pressure "Laura" (No. 13), which is the earliest "L" storm recorded in the United States. The previous record of "Lewis" storm occurred on August 29, 1995.
Another tropical depression No. 14, which may be named Marco, is now passing through Mexico's Yucatan Peninsula. The U.S. National Hurricane Center predicts that the two tropical lows are heading north and are expected to converge in the Gulf of Mexico by the end of the week. The prediction shows that the route of "Laura" and "mark" is relatively close, which may lead to the interaction of two tropical low pressure, thus enhancing the destructive effect of the hurricane.
The U.S. National Weather Service predicts that "Laura" and "mark" will arrive on the U.S. Gulf Coast next week
Among them, "Laura" may be enhanced to category 1 hurricane next Tuesday, and may land in Texas and Louisiana; mark "may arrive at the south coast of Florida next Monday, and enhance to category 1 hurricane around Tuesday, landing in Alabama and other places.
According to the National Oceanic and Atmospheric Administration of the United States, the precedent of two tropical cyclones entering the Gulf of Mexico at the same time is very rare. The last time was in 1933. At that time, however, they were far apart, landing from the westernmost point of the American coast (Brownsville, Texas) and the eastern tip of Florida.
According to weather underground, a commercial weather forecasting agency, 85% of the major hurricanes and 60% of the named storms originate from the major tropical cyclone producing areas (MDR) of the Atlantic Ocean, rarely in the Gulf of Mexico. It is even more rare for two hurricanes to appear at the same time. The Gulf of Mexico is only 1600 kilometers in diameter, and if the hurricanes are slightly closer, they may attract each other.
The forecast given by the National Hurricane Center of the United States points to this worst-case scenario: "mark" and "Laura" may enter the Gulf of Mexico from Cancun to Cuba through a narrow gate about 240 kilometers wide. If the distance between them is close to the wind speed, they may fall into the "double hurricane" effect of "Dancing" with each other.
The "double hurricane" of "Hillary Clinton" and "the double effect of the Pacific Ocean" in 2017
This effect means that when two tropical cyclones form at the same time and close to each other, there will be interaction, and the trajectories will rotate around the center of the circle with the center of the line between them. If this happens, it is expected that the "mark" wind may increase significantly.
"Washington Post" believes that this is in the hurricane season, the new crown epidemic in Florida and the southern coast of the United States can be described as worse, will seriously limit the local disaster prevention resources. The article reminds American residents living in Florida or Mexico coast to pay close attention to the latest weather forecast.
150年来首次！双飓风或同时抵美国南部沿岸
观察者网
发布时间：08-2216:41观察者网官方百家号
（观察者网讯）美国国家飓风中心预测，当地时间下周一（24日），热带气旋“劳拉”、“马克”将几乎同时在墨西哥湾形成飓风、登陆美国南方沿岸，或成为150年来首次。而这对当地居民来说不是什么好消息。
欧洲研究模型预测，下周一美国南部沿岸将同时出现两场飓风
《华盛顿邮报》21日报道，当天早上在加勒比海背风群岛东北部形成了13号热带低压“劳拉”（Laura），是美国有纪录以来最早的“L”级风暴。此前的最早纪录“路易斯”风暴出现在1995年8月29日。
而另一个可能被命名为“马克”（Marco）的14号热带低压，现正途经墨西哥尤卡坦半岛。美国国家飓风中心预测，两个热带低压朝北行进，预计本周末将在墨西哥湾汇合。而预测显示，“劳拉”与“马克”行进路线相对接近，可能导致两个热带低压交互影响，从而增强飓风破坏性。
美国国家气象局预测“劳拉”、“马克”将于下周抵达美国墨西哥湾沿岸
其中“劳拉”可能在下周二增强为一级飓风，并可能登陆得克萨斯州与路易斯安那州；马克”可能在下周一抵达佛罗里达州南岸，并在周二左右增强为一级飓风，登陆阿拉巴马州等地。
美国国家海洋和大气管理局表示，两个热带气旋同时进入墨西哥湾的先例十分罕见，上一次还是在1933年。不过当时两者相距甚远，分别从美国沿岸的最西端（得州布朗斯维尔）与东端佛罗里达州登陆。
商业天气预报机构“地下天气”（Weather Underground）数据显示，85%的主要飓风与60%的冠名风暴源自大西洋热带气旋主要生成地区（MDR），很少出现在墨西哥湾。而两个飓风同时出现则更为罕见。墨西哥湾直径仅1600公里，如果飓风之间距离稍微靠近，就可能出现相互吸引的情况。
美国国家飓风中心给出的预测恰恰指向这一最糟糕场景：“马克”与“劳拉”可能会一西一东，分别从坎昆与古巴之间约240公里宽的狭窄门户进入墨西哥湾。如果两者距离与风速相近，将可能陷入相互“伴舞”的“双飓风”效应。
2017年，太平洋上的“希拉里”、“欧文”出现“双飓风”效应
该效应是指，当两个热带气旋同时形成并互相靠近时，将产生交互作用，运动轨迹会以两者连线的中心为圆心，绕着圆心互相旋转。若出现这样的情况，预计“马克”的风力可能会大幅度提升。
《华盛顿邮报》认为，这对于正处飓风旺季、被新冠疫情肆虐的佛罗里达及美国南部沿岸来说可谓雪上加霜，将严重限制当地的防灾资源。文章提醒住在佛罗里达州或墨西哥沿岸的美国居民，应该随时关注最新的气象预报。
For the first time in 150 years! Two hurricanes may reach the southern coast of the United States at the same time
Observer network
Release time: 08-2216:41 official number of observer website
(observer's website) - the US National Hurricane Center predicts that tropical cyclones "Laura" and "mark" will form a hurricane in the Gulf of Mexico and land on the southern coast of the United States at almost the same time next Monday (24 local time), or become the first time in 150 years. And that's not good news for local residents.
European research models predict two simultaneous hurricanes along the southern coast of the United States next Monday
"The Washington Post" reported on the 21st that morning in the northeast of the Caribbean Leeward Islands formed a tropical low pressure "Laura" (No. 13), which is the earliest "L" storm recorded in the United States. The previous record of "Lewis" storm occurred on August 29, 1995.
Another tropical depression No. 14, which may be named Marco, is now passing through Mexico's Yucatan Peninsula. The U.S. National Hurricane Center predicts that the two tropical lows are heading north and are expected to converge in the Gulf of Mexico by the end of the week. The prediction shows that the route of "Laura" and "mark" is relatively close, which may lead to the interaction of two tropical low pressure, thus enhancing the destructive effect of the hurricane.
The U.S. National Weather Service predicts that "Laura" and "mark" will arrive on the U.S. Gulf Coast next week
Among them, "Laura" may be enhanced to category 1 hurricane next Tuesday, and may land in Texas and Louisiana; mark "may arrive at the south coast of Florida next Monday, and enhance to category 1 hurricane around Tuesday, landing in Alabama and other places.
According to the National Oceanic and Atmospheric Administration of the United States, the precedent of two tropical cyclones entering the Gulf of Mexico at the same time is very rare. The last time was in 1933. At that time, however, they were far apart, landing from the westernmost point of the American coast (Brownsville, Texas) and the eastern tip of Florida.
According to weather underground, a commercial weather forecasting agency, 85% of the major hurricanes and 60% of the named storms originate from the major tropical cyclone producing areas (MDR) of the Atlantic Ocean, rarely in the Gulf of Mexico. It is even more rare for two hurricanes to appear at the same time. The Gulf of Mexico is only 1600 kilometers in diameter, and if the hurricanes are slightly closer, they may attract each other.
The forecast given by the National Hurricane Center of the United States points to this worst-case scenario: "mark" and "Laura" may enter the Gulf of Mexico from Cancun to Cuba through a narrow gate about 240 kilometers wide. If the distance between them is close to the wind speed, they may fall into the "double hurricane" effect of "Dancing" with each other.
The "double hurricane" of "Hillary Clinton" and "the double effect of the Pacific Ocean" in 2017
This effect means that when two tropical cyclones form at the same time and close to each other, there will be interaction, and the trajectories will rotate around the center of the circle with the center of the line between them. If this happens, it is expected that the "mark" wind may increase significantly.
"Washington Post" believes that this is in the hurricane season, the new crown epidemic in Florida and the southern coast of the United States can be described as worse, will seriously limit the local disaster prevention resources. The article reminds American residents living in Florida or Mexico coast to pay close attention to the latest weather forecast.
