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General Discussion >> Hurricane Ask/Tell

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disneyfanfl
Verified CFHC User


Reged: Mon
Posts: 24
Loc: Jacksonville, FL
model times
      #42131 - Mon Jul 11 2005 02:29 PM

I know this will sound like a stupid question, so please forgive me. What do the times for the model runs mean? I noticed the current model run is 12Z and the next one will be 18Z. Does this refer to military time like 1200 and 1800? Just curious. Thanks, guys!

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ClarkModerator
Meteorologist


Reged: Wed
Posts: 1710
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Re: model times [Re: disneyfanfl]
      #42144 - Mon Jul 11 2005 03:06 PM

The "z" after the model times refers to Zulu time, or Greenwich Mean Time (GMT), or something else along those lines (UTC, etc...). Essentially, it refers to the time at the Prime Meridian, or at 0 E/W. During Daylight Savings Time, it is 4hr ahead of ET, while it is 5hr ahead of ET the rest of the year. This means that the 12Z model runs are taken at 8am ET using the data at that time. The models are actually run slightly after that, with output available some time thereafter.

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