ATL: TROPICAL DEPRESSION ALEX - DISCUSSION

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bob rulz
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#4241 Postby bob rulz » Wed Jun 30, 2010 12:29 pm

The double wind maxima is slowing intensification, but I wouldn't say it's really a good thing for anybody. It probably will increase the storm surge over a larger area and bring hurricane-force winds out much farther than would otherwise be expected.
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Re: ATL: HURRICANE ALEX - DISCUSSION

#4242 Postby tolakram » Wed Jun 30, 2010 12:29 pm

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#4243 Postby KWT » Wed Jun 30, 2010 12:30 pm

That being said the fact the stronger winds are now further out isn't really good news for those near the border of Texas.

Its surely gotta be a type of EWRC, maybr not a classic version but it seems like that is what would cause weakening at this stage and the recon profile would suggest thats true.
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Re:

#4244 Postby CrazyC83 » Wed Jun 30, 2010 12:30 pm

txagwxman wrote:NWS 3-5 foot storm surge Padre...found graphic noaa experimental that shows 7-9 feet. We will see what is right.

http://www.weather.gov/mdl/psurge/active.php?Ty=e10&Th=10&Z=y1


7-9 feet seems more reasonable, perhaps 10-13 feet if it comes in from more east than south.
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Re: ATL: HURRICANE ALEX - DISCUSSION

#4245 Postby Frank2 » Wed Jun 30, 2010 12:30 pm

Still looks to moving around 300-320....That radar beam is still prolly 18-20k over the cane right now.


That probably explains the false "dry slot" on the radar display...

Oh, well - it was worth a try...
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Re:

#4246 Postby cycloneye » Wed Jun 30, 2010 12:31 pm

txagwxman wrote:NWS 3-5 foot storm surge Padre...found graphic noaa experimental that shows 7-9 feet. We will see what is right.

http://www.weather.gov/mdl/psurge/active.php?Ty=e10&Th=10&Z=y1


Waves are very rough there.

South Padre Cam
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Re: ATL: HURRICANE ALEX - DISCUSSION

#4247 Postby Aquawind » Wed Jun 30, 2010 12:31 pm

tolakram wrote:Loop, 13 good frames now.

http://wwwghcc.msfc.nasa.gov/cgi-bin/ge ... mframes=13



That is a nice complete loop.. So often it's broken up there..
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Re:

#4248 Postby TeamPlayersBlue » Wed Jun 30, 2010 12:31 pm

bob rulz wrote:The double wind maxima is slowing intensification, but I wouldn't say it's really a good thing for anybody. It probably will increase the storm surge over a larger area and bring hurricane-force winds out much farther than would otherwise be expected.


Yes, just like Ike was.

Although this storm is not any where in the same category as ike......
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Re: ATL: HURRICANE ALEX - DISCUSSION

#4249 Postby brunota2003 » Wed Jun 30, 2010 12:32 pm

It has moved about 16 nm at 304.0 degrees between 16:38 and 17:26...best I can pick out with my radar:

Image
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Re:

#4250 Postby KWT » Wed Jun 30, 2010 12:33 pm

bob rulz wrote:The double wind maxima is slowing intensification, but I wouldn't say it's really a good thing for anybody. It probably will increase the storm surge over a larger area and bring hurricane-force winds out much farther than would otherwise be expected.


Yep very true, this is esp the case for the Rio Grande region because a stronger outer eyewall that doesn't have time to contract quickly enough is going to cause some big issues, esp because hurricane winds are getting to the surface down there.

Things are going to get very interesting down in the Rio Grande over the next few hours...
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#4251 Postby bob rulz » Wed Jun 30, 2010 12:34 pm

Oh if only we were getting a discussion at 1pm...it would be very interesting and informative at this point, that's for sure.
Last edited by bob rulz on Wed Jun 30, 2010 12:35 pm, edited 1 time in total.
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Re: ATL: HURRICANE ALEX - DISCUSSION

#4252 Postby HURAKAN » Wed Jun 30, 2010 12:34 pm

Image

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Re: ATL: HURRICANE ALEX - DISCUSSION

#4253 Postby TexWx » Wed Jun 30, 2010 12:37 pm

Sure doesn't look like too long before landfall
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Re:

#4254 Postby Texas Snowman » Wed Jun 30, 2010 12:38 pm

wx247 wrote:Doppler radar indicates nearly 10" of rain has already fallen in Brownsville near the intersection of State Route 48 and US 77.


Water - rain and storm surge - is going to be the story of Alex I'm afraid.
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Re: Re:

#4255 Postby KWT » Wed Jun 30, 2010 12:39 pm

TeamPlayersBlue wrote:Yes, just like Ike was.

Although this storm is not any where in the same category as ike......


Going to get a much higher surge then the usual category-1, I'd imagine we'd be looking a surge around category-2/3...

Won't be long before we see higher winds in the cells in the Rio Grande region..

Hurakan, can get a better view of the eye working its way into the radars range now, should get a better grip on its real direction from now on.
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Re: ATL: HURRICANE ALEX - DISCUSSION

#4256 Postby tolakram » Wed Jun 30, 2010 12:41 pm

Current close range loop.

Image
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#4257 Postby KWT » Wed Jun 30, 2010 12:42 pm

96kts confirmed from vortex...the NHC may well up it to 80kts given they sampled the E.Quadrant rather then the NE quadrant and that may just be enough to tempt the NHC into upping the winds.
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#4258 Postby CrazyC83 » Wed Jun 30, 2010 12:42 pm

Dropsonde found 81 kt winds in the eyewall.
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#4259 Postby KWT » Wed Jun 30, 2010 12:43 pm

Big band going through Brownsville right now, probably getting TS force gusts in there I'd thought if not TS sustained.
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Re: Re:

#4260 Postby Texas Snowman » Wed Jun 30, 2010 12:44 pm

KWT wrote:Going to get a much higher surge then the usual category-1, I'd imagine we'd be looking a surge around category-2/3.


Yeah, I think people at South Padre Island, Brownsville Ship Channel, Port Isabel, etc. are going to be really surprised at the surge of Alex.

In fact, I wouldn't be surprised to see some significant surge damage at SPI, maybe even a complete overwash of the city. Elevation there is only seven feet and storm surge will likely be in that neighborhood, maybe even a little higher.

Disclaimer: Above is unofficial, my opinion, and should not be used to make any decisions.
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