Who thinks Katrina was a Cat. 5 at landfall.

I started this thread to bring light on the dumbest thing the NHC has ever done: Downgrading Katrina to a Category 3.

First of all, who downgrades a storm that killed 1,000+ peope to a Category Three. Look at the damage, what was done to New Orleans. A Category Three couldn't have done this. And the levees were supposed to withstand Category Three strength storms, but they broke, and they are blaming bad structuring for the breach but it's obvious that Katrina was stronger than a three.

Another thing, Katrina was still a Category 5 by Midnight and even though rapid weakening can be the cause, they could have gotten a reading from another part of the storm. Also Katrina had the 3rd lowest pressure of a storm at US landfall. The two that are lower are the Labor Day Hurricane and Camille who had less damage than Katrina. The top 3 before Katrina were all Cat.5 hurricanes, which would seem strange for a Cat. 3 to take that record.

Also, the pressure. 918 mb is a pressure that is associated with Category 4 and Category 5 hurricanes not Category Three storms. The lowest pressure in a Category Three was 939 mb. Opal's 135 mph / 916 mb has an excuse to keep it a four at the time, since Opal's pressures were lower than the matching wind speed, while Katrina's wind speeds caught up every time.

So here is my evidence so far:

* Katrina was still a Category 5 hurricane, 6 hours before landfall.

* Landfall pressure was lower than Andrew's pressure at landfall.

* Costliest Hurricane

* Deadliest since 1928.

I now close my arguement.

Feel free to support or argue against my point.

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Just because I'm 13 years old...and autistic doesn't mean I can't be a expert hurricane tracker.

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