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West Pacific Tropical Action 2011


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for red-taggers, what are the prospects for this storm re-intensifying over the SCS??

Depends upon the shear over the SCS. We are getting close to October which is when we start seeing shear there. At the moment JT is not going for much if any reintensification but depending upon what it looks like after coast out it could to some degree if all else is favorable.

Meanwhile, the west coast of Luzon from Lingayen down to Manila is getting raked by strong winds in the monsoon flow feeding into the storm south of the center. Subic has recorded a gust to 64 mph with 45 mph 10 minute winds while Manila has gusted to 55 mph. This is very common with storms that follow a Baler to Poro Point track even if the actual bands don't come across because of the intensification of the monsoon flow caused by the passage of deep low pressure to the north.

Steve

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I took Nesat to Hainan as a Cat 3 then Vietnam as a Cat 2 this morning.

Meh... it looks like Nesat's inner core has been completely destroyed like most TC's do when they have a direct hit on Luzon. I'd say strong cat 1 at best (I know its at 75 knots now, but I'm gonna venture this is a high estimate)

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Meh... it looks like Nesat's inner core has been completely destroyed like most TC's do when they have a direct hit on Luzon. I'd say strong cat 1 at best (I know its at 75 knots now, but I'm gonna venture this is a high estimate)

Yeah, doesn't look likely to rebuild it at this time, but it seems to be about 50/50 whether these storms re-explode in the SCS. I don't know of a good way to forecast it.

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Yeah, doesn't look likely to rebuild it at this time, but it seems to be about 50/50 whether these storms re-explode in the SCS. I don't know of a good way to forecast it.

I think it's seasonally dependent. Later in the season conditions aren't as favorable in the SCS due to drier air from the mainland.

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In other news, there is zero chance Nalgae is a 40 kt TS right now. SATCON was up to 70 kts at 4z and there is a clear microwave eye. This is going to be one of those midgets that goes asplode and JTWC will always be playing catch up to it.

You have newer microwave than ~2000Z yesterday?

post-138-0-46379200-1317209150.jpg

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In other news, there is zero chance Nalgae is a 40 kt TS right now. SATCON was up to 70 kts at 4z and there is a clear microwave eye. This is going to be one of those midgets that goes asplode and JTWC will always be playing catch up to it.

To their credit they were rather bullish on the storm yesterday when it appeared to have westerly shear. They are way off with initial intensity now though.

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The Philippine Inquirer had an Opinion piece discussing the reasons why Filipinos do not heed evacuation or don't launch fishing boat orders in Typhoon and flood situations. Among the reasons given were-have to protect my home from looters, it's not going to hit here and if it does it won't be that bad, the authorities are over reacting, and finally there's plenty of time to go. For the fishermen, it's more simple-if they don't go out they earn no money. Sound familiar?

Steve

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The Philippine Inquirer had an Opinion piece discussing the reasons why Filipinos do not heed evacuation or don't launch fishing boat orders in Typhoon and flood situations. Among the reasons given were-have to protect my home from looters, it's not going to hit here and if it does it won't be that bad, the authorities are over reacting, and finally there's plenty of time to go. For the fishermen, it's more simple-if they don't go out they earn no money. Sound familiar?

Steve

How many people live right along the coastline?

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The Philippine Inquirer had an Opinion piece discussing the reasons why Filipinos do not heed evacuation or don't launch fishing boat orders in Typhoon and flood situations. Among the reasons given were-have to protect my home from looters, it's not going to hit here and if it does it won't be that bad, the authorities are over reacting, and finally there's plenty of time to go. For the fishermen, it's more simple-if they don't go out they earn no money. Sound familiar?

Steve

Unfortunately they live in the most popular tourist destination of major tropical cyclones on the planet. I guess these people quickly forget what happened last year and the year before that and the year before that.

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How many people live right along the coastline?

Millions and Manila is the New Orleans of Asia-except that it gets hit more often. I've seen the Central Valley turned into an Inland Sea by flooding due to typhoons and lowland flooding is a major threat in the Philippines. In the mountains there is the problem of landslides (one of the worst TC disasters was a midslide that buried a town which was triggered by heavy rains from a Tropical Storm). Although it's been 20 years, there's still the threat of occasional Lahars from Pinatubo. The Philippines gets it all from typhoons so the coastal population is not all important. Storm surges do occur but the offshore waters along the eastern side become very deep very fast so shoaling is not as much as factor as it is in the GOM. Surges in Manila Bay usually occur when the storm passes to the north with onshore flow developing as it did with Nesat.

Steve

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  • 2 weeks later...

Millions and Manila is the New Orleans of Asia-except that it gets hit more often. I've seen the Central Valley turned into an Inland Sea by flooding due to typhoons and lowland flooding is a major threat in the Philippines. In the mountains there is the problem of landslides (one of the worst TC disasters was a midslide that buried a town which was triggered by heavy rains from a Tropical Storm). Although it's been 20 years, there's still the threat of occasional Lahars from Pinatubo. The Philippines gets it all from typhoons so the coastal population is not all important. Storm surges do occur but the offshore waters along the eastern side become very deep very fast so shoaling is not as much as factor as it is in the GOM. Surges in Manila Bay usually occur when the storm passes to the north with onshore flow developing as it did with Nesat.

Steve

I'd think Manila would be semi-protected because most storms would be coming from the East, and would have crossed the Sierra before the winds were directly into Manila Bay.

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