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ISAAC Watch Tues 8-28 -- Already SIX (6 !!!) FOOT STORM SURGE Near NOLA and Rising Rapidly
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Original Message
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Before dawn here in central US time zone it is hard to get much of a accurate read on Isaac before the early morning satellite and hurricane hunter images come in with first light.
But here:
[link to tidesandcurrents.noaa.gov]
is our most sensitive 'on the ground' predictive tool, the 'normal' or 'predicted' (for normal conditions) tide reading, versus the 'observed' or real life tide elevation.
Shell Beach is just east, and very slightly south of New Orleans.
Before Katrina in 2005, there was actually a state-maintained road to Shell Beach, a real beach (!) and some habitation there.
Katrina destroyed it, and now about all that remains are some meteorlogical observation tools left there just for events like Isaac.
So now, as I look at the difference between the predicted and the observed tidal readings, the real reading is FIVE FEET higher than normal.
This means a 5 ft storm surge is already approaching NOLA.
And the day is yet to dawn, about 24 hours ahead of predicted land fall.
Update - Within the few hours since I first posted this, it has risen to 6 foot storm surge at Shell Beach.
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