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dan11295

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  1. Medicanes have always been in this strange spot when it comes whether or not to recognize them as "tropical cyclones"/how to classify them and who should be responsible to monitoring etc. This is due to a few reasons.

    1. Temperatures in the Mediterranean have historically been too cold (i.e. <28C) to allow typical warm core TC development. Some times these storms have formed well outside of the typical June-November window  for Northern Hemisphere TC development. These two factors are certainly a historical reason that haven't been classified and tracked as such. Although with better analysis tools its clear many of these storms are warm core cyclones. Daniel would have certainly been named if it had occurred in the Atlantic.

    2. These storms have generally been weak, really never turn into warm core hurricanes (probably due to SST limitations). With a couple exceptions have not caused notable damage or loss of life.

    3 They are very infrequent.

    As far as who would be responsible for tracking, the NHC doesn't make sense, as they will never effect US landmasses in any way. A European body makes much better sense.

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  2. BULLETIN - EAS ACTIVATION REQUESTED
    Flash Flood Warning
    National Weather Service Boston/Norton MA
    722 PM EDT Mon Sep 11 2023
    
    ...FLASH FLOOD EMERGENCY FOR LEOMINSTER...
    
    The National Weather Service in Norton has issued a
    
    * Flash Flood Warning for...
      Northeastern Worcester County in central Massachusetts...
    
    * Until 1030 PM EDT.
    
    * At 722 PM EDT, emergency management reported thunderstorms
      producing heavy rain in Leominster, roadways being washed out and
      flood waters entering homes and business. Between 3 and 5 inches
      of rain have fallen. The expected rainfall rate is 2 to 4 inches
      in 1 hour. Additional rainfall amounts of 1 to 3 inches are
      possible in the warned area. Flash flooding is ongoing or expected
      to begin shortly.
    
      This is a FLASH FLOOD EMERGENCY for Leominster. This is a
      PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!
    
      HAZARD...Life threatening flash flooding. Thunderstorms
               producing flash flooding.
    
      SOURCE...Emergency management reported.
    
      IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
               HIGHER GROUND NOW! Life threatening flash flooding of
               low water crossings, small creeks and streams, urban
               areas, highways, streets and underpasses.
    
    * Some locations that will experience flash flooding include...
      Leominster, Fitchburg, Lunenburg, Lancaster, Sterling,
      Westminster, Shirley and Princeton.
    

     

     

     

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