Phil Klotzbach tweeted, “#Marco has formed in the NW Caribbean - the earliest 13th Atlantic named storm formation on record. We have the earliest “L” and “M” storms on record. Nature is giving us plenty of “wow” moments. We really don’t need to overhype this event. Hopefully, this sheds light on the latest viral meteorological terminology out there. NASA has an excellent discussion at this link and if you can, check out this neat animation Tweeted by Jake Carstens. This study is worth the read to understand the fascinating complexity of such interactions, which are far more common in the Pacific basin. A study (2000) in the American Meteorological Society journal Monthly Weather Review explains how the delicate dance involving tropical cyclones Zeb and Alex represented a classic Fujiwhara interaction followed by a weakened Alex being wrapped around Zeb as a spiral band. The American Meteorological Society Glossary of Meteorology defines it as “the tendency of two nearby tropical cyclones to rotate cyclonically about each other as a result of their circulations' mutual advection.” The peer-review literature does document a “merger” process but not really in the manner that many people are thinking about it. #fluiddynamics.” What has happened in the past is something called the Fujiwhara Effect. 2 tropical systems cannot merge into one megastorm. My colleague Sean Sublette, a meteorologist with Climate Central, posted on Friday, “In case it comes up.No. Like the transition of Hurricane Sandy to a mid-latitude cyclone in 2012, this process was very different from the innuendo I was seeing this week. The storm regained tropical characteristics later but was never named according to. The movie loosely chronicles a 1991 event in which a Nor’easter (a mid-latitude storm deriving its energy from air mass differences) absorbed the remnants of Hurricane Grace. Many people may also think back to the movie The Perfect Storm (2000). The lead character has to get a family to safety before hurricanes merge into a hypercane. The movie 500 MPH Storm(2013) is about a high school experiment gone wildly wrong and resulting in hurricanes out of control. If it happened in a movie, it must be true right? Wrong.
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