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Major Hurricane Ida


WxWatcher007
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10 minutes ago, Eskimo Joe said:

Was wondering why there was so little precip on the NW side then saw this thread. Wonder if this will impact rainfall forecasts inland?

 

Shear vector is out of the WNW. Only around 8-12kt, but that's enough to place more of the precip on the E/SE side of the circulation.

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This NOAA station is about 20 miles NW, behind Grand Isle.

Galliano, South Lafourche Airport (KGAO)

It's the closest working official WX station in Ida's path. The 3-day history page looks to report every 20 minutes. See how long it lasts.

 Grand Isle station is kaput pau. Hoping that the Coasties and everyone make it through this beast [a SiL is career USCG].

https://forecast.weather.gov/MapClick.php?lat=29.2328&lon=-89.9975#.YSuBMNfPz5o

3 day history 

https://w1.weather.gov/data/obhistory/KGAO.html

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Per the official 12Z NHC wind profiles the IKE is 33 TJ. Per the RAMMB profiles the IKE is the 80 TJ. I'm a little suspicious of the NHC wind profiles but if we split the difference that would give us 56 TJ. This is a pretty big deal.

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