ATL: TROPICAL DEPRESSION ALEX - DISCUSSION

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mcallum177
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#3321 Postby mcallum177 » Mon Jun 28, 2010 11:01 pm

A1A wrote:Can someone explain to me the significance of the the red area and the blue zig zag area?

Image



The blue area is dry air, not exactly sure about the red spot. Could it be a front or just a line of storms?
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#3322 Postby Evil Jeremy » Mon Jun 28, 2010 11:03 pm

A1A wrote:Can someone explain to me the significance of the the red area and the blue zig zag area?

Image

Just looks like a tail band forming around a pocket of dry air.
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3323 Postby Ivanhater » Mon Jun 28, 2010 11:03 pm

Image
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#3324 Postby funster » Mon Jun 28, 2010 11:04 pm

it's a giant feeder band for Alex :)
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3325 Postby Evil Jeremy » Mon Jun 28, 2010 11:04 pm

Ivanhater wrote:Image

Wobbling East, wobbling West, all that really matters for now is how fast it heads North.
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3326 Postby A1A » Mon Jun 28, 2010 11:04 pm

Well I know the red band is a line of storms that seem stuck on the west side of 35 - hitting up against the High ridge? which is also responsible for the dry air pocket?
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3327 Postby HouTXmetro » Mon Jun 28, 2010 11:05 pm

That looks NNW and forward speed has really picked upped.
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#3328 Postby psyclone » Mon Jun 28, 2010 11:07 pm

it's nice to see the windspeed graphic looks a little more realistic tonight as compared to last night when it showed a huge area of ts winds convering much of yucatan. hurakan noticed this and asked why there wasn't a ts warning for the yucatan peninsula. i suggested plenty of these seem suspect and way overdone. hopefully the accuracy of these improves going forward. tonight's looks reasonable...last night's was bs.
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3329 Postby ROCK » Mon Jun 28, 2010 11:18 pm

HouTXmetro wrote:That looks NNW and forward speed has really picked upped.


average the 3 fixes and still north....but you are right it does a wobble west in there....
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#3330 Postby HURAKAN » Mon Jun 28, 2010 11:23 pm

Image

Getting THAT look
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#3331 Postby minter45 » Mon Jun 28, 2010 11:23 pm

I haven't heard any talk about possible storm surge. I was just curious if I need to start getting ready for a massive surge, I live on galveston bay, and since Ike get a little uneasy with storm surges!!
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3332 Postby mvtrucking » Mon Jun 28, 2010 11:23 pm

Evil Jeremy wrote:
tailgater wrote::uarrow: Can't tell direction from IR loops.
I'm a little surprised that no TS warnings are up for the NW Yucatan coast.

No need.

Image


Jeremy,

Do you have a link to where you got that graphic? Thanks in advance

MV
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3333 Postby HURAKAN » Mon Jun 28, 2010 11:25 pm

mvtrucking wrote:Jeremy,

Do you have a link to where you got that graphic? Thanks in advance

MV


NHC - http://www.nhc.noaa.gov/refresh/graphic ... i#contents
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Re:

#3334 Postby Nederlander » Mon Jun 28, 2010 11:25 pm

minter45 wrote:I haven't heard any talk about possible storm surge. I was just curious if I need to start getting ready for a massive surge, I live on galveston bay, and since Ike get a little uneasy with storm surges!!

south of corpus and youll be fine
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Re:

#3335 Postby Evil Jeremy » Mon Jun 28, 2010 11:27 pm

minter45 wrote:I haven't heard any talk about possible storm surge. I was just curious if I need to start getting ready for a massive surge, I live on galveston bay, and since Ike get a little uneasy with storm surges!!

Ike and Alex are different situations. Ike's surge was a result of it's massive size and previous high intensity. Alex has yet to become a hurricane yet, much less one of Ike's stature. Still, prepare for the worst. Always prepare for the worst. You shouldn't have much surge to worry about though, not in your area. South of you will need to worry. Alex should only give you some wind and rain.
Last edited by Evil Jeremy on Mon Jun 28, 2010 11:30 pm, edited 1 time in total.
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Re:

#3336 Postby thetruesms » Mon Jun 28, 2010 11:28 pm

HURAKAN wrote:[img]http://www.nrlmry.navy.mil/tcdat/tc10/ATL/01L.ALEX/tc_ssmis/91hw/20100629.0208.f18.x.91hw.01LALEX.55kts-987mb-207N-916W.85pc.jpg[img]

Getting THAT look
Good thing I decided to check the thread before posting this up. Looks like the NW is behind a bit due to that little pocket of dry air it's been dealing with, but the core is really starting to come together now
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#3337 Postby Normandy » Mon Jun 28, 2010 11:33 pm

The systems size on the microwave image is impressive. This is gonna be very bad for whoever has to deal with it. I am honestly thinking an Ike redux but for Northern MX/Southern TX.
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Re: ATL: TROPICAL STORM ALEX - DISCUSSION

#3338 Postby vaffie » Mon Jun 28, 2010 11:36 pm

The latest Infrared picture is so amazing! It probably has a full-blown eye wall by now! Pressures must be dropping fast!!

http://weather.msfc.nasa.gov/GOES/goeseastconusir.html
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Re:

#3339 Postby wxmann_91 » Mon Jun 28, 2010 11:47 pm

A1A wrote:Can someone explain to me the significance of the the red area and the blue zig zag area?

Image

The blue area without convection is in an area of relative subsidence (sinking motion) that is typical on the west side of mature TC's.

The red area is just normal afternoon thunderstorm activity, enhanced by upslope flow due to Alex. Surface winds flowing CCW around the circulation of Alex bump into the mountains of NE Mexico, and when temps are high enough, the orographic lift can help initiate thunderstorms.
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#3340 Postby Chacor » Tue Jun 29, 2010 12:06 am

Interestingly, Alex continues to maintain a fairly low central pressure for its wind speeds, but I'm not surprised at it. Still continues to look a lot like a WPac storm in its structure and general look and it appears the wind-pressure relationship is, remarkably, also fairly consistent with that of a WPac storm.
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