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Katia tracking and discussion thread


Damage In Tolland

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Back from a family party.... Great turn of events on the models today. I cannot believe the GGEM and the euro for that matter.As we saw with Irene, does it really matter if a TS or CAT 2 hits NE? TS still does damage.

I noticed that Donnie still has a 33% of this hitting the U.S which is pretty good from him

Not that anyone is doing this, but I don't understand how we can just throw out the ggem. It was pretty good with Irene.

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Don't ever tell me the moon phase is not a factor, just a TS at landfall at high tide, FYI full moon as Katia brushed by, Rhodes eroded areas need to pay attention.

Well yeah the astro tide added a foot... but the fact that the peak surge was at high tide and not low tide was a bigger factor.

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Well yeah the astro tide added a foot... but the fact that the peak surge was at high tide and not low tide was a bigger factor.

One thing folks forget is the increased speed of moon tidal currents, that causes exponential PSI which is the real destructor, eroder. Watch the Misquamicut You tube and watch how far a wave breaking offshore travels. There is an increase in tidal power also.

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One thing folks forget is the increased speed of moon tidal currents, that causes exponential PSI which is the real destructor, eroder. Watch the Misquamicut You tube and watch how far a wave breaking offshore travels. There is an increase in tidal power also.

I'd argue the wave action on top of the surge is a much larger factor.

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I'm thinking about a 75% chance for recurve...20% chance SE US hit and a 5% chance of a SNE hit. Models coming farther south and west in the past few days increase the probability of SE US hit. However, the strong 500mb vortex found south of Greenland with low heights extending into Labrador and Nova Scotia has excellent ensemble and index support which would make a SNE hit nearly impossible.

Katia should strengthen pretty readily in the 2 to 5 day range. I think the chances are excellent that Katia becomes at least a category three hurricane as shear drops under 10 kt.

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The 0z CMC2, I guess that is the Canadian hurricane model, continues to NOT curve this to the east after turning north and brings it due north, making landfall on Central Long Island on Friday night. The 18z run did the same thing. The National Hurricane Center had also said that the Canadian model was verifying the best with Katia so far, so i find this interesting to say the least. Some of the other models are also continuing the trend to either not curve to the east as much, or to do it later. This seems to be the trend.

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Back from a family party.... Great turn of events on the models today. I cannot believe the GGEM and the euro for that matter.As we saw with Irene, does it really matter if a TS or CAT 2 hits NE? TS still does damage.

It matters enormously. Irene was only the tip of the iceberg. A real Cat 2 would bring much larger surges-- not to mention actual wind.

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