Tropical Depression Two Along South Texas Coast

By: Dr. Jeff Masters , 4:46 PM GMT on July 08, 2010

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Hello everybody, this is Senior Meteorologist Shaun Tanner writing Dr. Masters' blog while he is on vacation.

Tropical Depression Two formed overnight in the northern Bay of Campeche and is now making landfall along the extreme south coast of Texas. A hurricane hunter was sent into the system and found a low-level circulation. While there are some reports of tropical storm strength winds in the squalls of the system, there is just not enough evidence to upgrade the storm to tropical storm strength before landfall.

The satellite representation of the depression is quite impressive as half of the depression is now over landfall. Brownsville radar currently is showing the effects of the depression with heavy rain and thunderstorms through much of southern Texas.

The biggest lingering effect from the depression will be to prolong the devastating flooding that has been ongoing in southern Texas and northeast Mexico. Not including the rain that will fall due to the depression, over the past 7 days, the area near Houston has received over 10 inches of rain, while some inland areas of Texas has received over 4 inches of rain. The problem gets worse in the Mexican state of Coahuila near the Texas border has received upwards of 20 inches of rain in the past 7 days due to substantial moisture pouring into the area.

This surging watershed has caused massive flooding throughout the region, with the area near Laredo, Texas and Nuevo Laredo, Mexico being the hardest hit. The flooding has caused the major border crossing between those two cities to be closed as the Rio Grande surged and threatened to top the crossing's bridge. A contingent of Mexican officials, including the mayor of Piedras Negras, Coahuila, touring the flooding damage in an airplane crashed Wednesday, killing all six onboard. Evacuations on both sides of the border has forced tens of thousands of people out of their homes, while over 100,000 people were without water service. The flooding problem is extra dangerous because swollen dams had to release some of their water downstream into areas that towns that have already been swamped. It was even reported that one of these releases by the National Water Commission of Mexico was the largest emergency water release in the country.

Needless to say, the rain from Tropical Depression Two will only further the flooding problems in southern Texas and northeast Mexico. Figure 3 shows the severe map and the greens represent Flood Watches and Warnings. You can see almost the entire states of Texas and Oklahoma are under these watches and warnings in anticipation of several inches of rain from the remnants of Tropical Depression Two.


Figure 1. Satellite loop of Tropical Depression Two.


Figure 2. Storm-centered radar as depression makes landfall.


Figure 3. Severe map.

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LeBron going to the Heat! Sorry, back to the tropics.
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Saw the sun shine tonight for the first time in a couple days. I'm glad for a pause in the tropics for now. I'm in the Houston area and though we have not been directly hit by a storm, the rain has been enough! This is currently the 8th wettest July on record and it's July 8th!
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Quoting IKE:
BREAKING NEWS:LeBron fixing to announce is over-hyped decision.


Yawn....... can't we just end the NBA once and for all! LOL

Knicks will be the suckers paying the outrageous Lebron Salary probably! And he asked for what, a whole hour to make the announcement? I'd give him 30 seconds! LOL
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721. IKE
Quoting atmoaggie:
ehh. Who cares anymore? His ego is so inflated now that he couldn't play as a teammate in doubles tennis...
Somebody's getting damaged goods.


Cleveland is going to be pissed....I feel sorry for that city and the fans...made to look like fools.

Miami Heat bound.
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719. Skyepony (Mod)
Nature Geoscience 3 (2010) 468-472; published online 20 June 2010; doi: 10.1038/ngeo890
Observations beneath Pine Island Glacier in West Antarctica and implications for its retreat
Adrian Jenkins*,1, Pierre Dutrieux1, Stanley S. Jacobs2, Stephen D. McPhail3, James R. Perrett3, Andrew T. Webb3 and David White3


Abstract

Thinning ice in West Antarctica, resulting from acceleration in the flow of outlet glaciers, is at present contributing about 10% of the observed rise in global sea level1. Pine Island Glacier in particular has shown nearly continuous acceleration2, 3 and thinning4, 5, throughout the short observational record. The floating ice shelf that forms where the glacier reaches the coast has been thinning rapidly6, driven by changes in ocean heat transport beneath it. As a result, the line that separates grounded and floating ice has retreated inland7. These events have been postulated as the cause for the inland thinning and acceleration8, 9. Here we report evidence gathered by an autonomous underwater vehicle operating beneath the ice shelf that Pine Island Glacier was recently grounded on a transverse ridge in the sea floor. Warm sea water now flows through a widening gap above the submarine ridge, rapidly melting the thick ice of the newly formed upstream half of the ice shelf. The present evolution of Pine Island Glacier is thus part of a longer-term trend that has moved the downstream limit of grounded ice inland by 30 km, into water that is 300 m deeper than over the ridge crest. The pace and ultimate extent of such potentially unstable retreat10 are central to the debate over the possibility of widespread ice-sheet collapse triggered by climate change11, 12.

1. British Antarctic Survey, Natural Environment Research Council, Cambridge CB3 0ET, UK
2. Lamont-Doherty Earth Observatory of Columbia University, New York, New York 10964, USA
3. National Oceanography Centre, Southampton SO14 3ZH, UK

*Correspondence e-mail: ajen@bas.ac.uk

Link: http://www.nature.com/ngeo/journal/v3/n7/abs/ngeo890.html
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Quoting Baltimorebirds:
Wow that's like void of anything.Are you sure this is for july?and not april?
Remember, that is the UKMET, lol.
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Quoting atmoaggie:
ehh. Who cares anymore? His ego is so inflated now that he couldn't play as a teammate in doubles tennis...
Somebody's getting damaged goods.
A NBA player with an ego? Say it isn't so!
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Uh-oh. The 12z ECMWF also shows a system in the extreme southwestern Caribbean, but at 96 hours. Now here is where it gets interesting, the 1008mb low then moves over Nicaragua and into the Gulf of Honduras. The disturbance then goes over Belieze and dissipates. Interestingly so, we might have some tropical cyclogenesis occur in the SW Caribbean and BOC in about 5 days.

ECMWF 12z 96 hours
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Quoting IKE:
BREAKING NEWS:LeBron fixing to announce is over-hyped decision.
ehh. Who cares anymore? His ego is so inflated now that he couldn't play as a teammate in doubles tennis...
Somebody's getting damaged goods.
Member Since: August 16, 2007 Posts: 6 Comments: 12461
Quoting thelmores:


I think it make approach the outer banks a bit more, but I see nothing major here...... the front approaching the east coast will kick it out to see for good in a day or two.

But hopefully here in Myrtle Beach it will provide much needed rain, and help keep the temps down to a low boil!


we have about 60% chance of precip here on Emerald Isle for the weekend maybe it will work its way down there.
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711. ryang
Quoting extreme236:


I'm gonna rip my hair out........


LOL!!!
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Quoting MiamiHurricanes09:
The 12z UKMET shows the subtropical ridge (B/A high) with a pressure of 1035mb. That's pretty impressive if ya' ask me.

120 hours.

Is this unusual for this time of year?
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Quoting extreme236:


I'm gonna rip my hair out........
you best shave yer head too stop doing that
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708. IKE
BREAKING NEWS:LeBron fixing to announce is over-hyped decision.
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The 12z UKMET shows the subtropical ridge (B/A high) with a pressure of 1035mb. That's pretty impressive if ya' ask me.

120 hours.
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Quoting MiamiHurricanes09:
Probably nothing of importance. Anyways I don't see anything that could spin up there in 72 hours, unless a tropical wave organizes quickly.

sometimes things happen in but a blink of an eye
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Quoting Conus:
indeed, guys! nothing beats tracking a cane across the basin, eh? true love, right there.


I'm gonna rip my hair out........
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Quoting Baltimorebirds:
Do you also notice what's in the southern carribean?.I see a low with closed isobars.
Probably nothing of importance. Anyways I don't see anything that could spin up there in 72 hours, unless a tropical wave organizes quickly.

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News flash:

TNT is in negotiations to carry the Masters WUblog. TWC dropped from the running after they saw that some posts had real weather discussions beyond that understood by anyone with a full time job at TWC.
Member Since: August 16, 2007 Posts: 6 Comments: 12461
Quoting weathercrazy40:
so anyone have any thoughts on that L sitting off the east coast seems like its been there for a long time trying to get its act going


I think it may approach the outer banks a bit more, but I see nothing major here...... the front approaching the east coast will kick it out to sea for good in a day or two.

But hopefully here in Myrtle Beach it will provide much needed rain, and help keep the temps down to a low boil!
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Quoting Hurricanes101:


actually the little face at the end is another tip off

amazes me how he blatantly comes up with new names every single week
and fooling...nobody !
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Quoting StormW:


Wow...well, thing is, I'm back up at 5:00 to get the 5:00 a.m. advisory, then start analysis.
Lol, yeah not me. I'll wake up for the 8AM advisory and then go back to sleep. It helps if you're Levi though, because where he lives at 5AM EDT it is 1 AM AKDT.
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Quoting thelmores:


Welcome Rick......

Advice, don't feed the animals...... it could get ugly! :D


haha..for sure..these buggers are immune to any kind of skeeter replenant that is legal. BTW, appreciate the welcome =D
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Quoting IKE:


You mean day?


yea day, hope the clown gets permabanned
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694. Skyepony (Mod)
Noticed the air quality has been hazardous in parts of the NE the last few days..suppose the heatwave isn't helping any.. Checking out EPA, air quality & GOM..

EPA~ Air Monitoring on Gulf Coastline

EPA has observed odor-causing pollutants associated with oil on the shore in the gulf region at low levels. Some of these chemicals may cause short-lived effects like headache, eye, nose and throat irritation, or nausea. Some people may be able to smell several of these chemicals at levels well below those that would cause short-term health problems.

EPA is also conducting additional air monitoring for ozone and airborne particulate matter. The air monitoring conducted through July 7 has found levels of ozone and particulates ranging from the "good" to "unhealthy for sensitive groups" levels on EPA's Air Quality Index.


Current Gulf Air Quality I'm not seeing the data. There should be little colored dots.
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Quoting IKE:


Hmmm.....

Little ole band from Texas....kickin it....


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692. IKE
Quoting Hurricanes101:


actually the little face at the end is another tip off

amazes me how he blatantly comes up with new names every single week


You mean day?
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The boring UKMET shows the wave I believe Levi was speaking about earlier at 72 hours in the 12z run.

Note the 1011mb low over the Cape Verde islands.

UKMET 12z 72 hours

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Quoting IKE:


Hmmm.....

Little ole band from Texas....kickin it....


actually the little face at the end is another tip off

amazes me how he blatantly comes up with new names every single week
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687. IKE
Quoting Conus:
How awesome, storm! Let's hope Motehr Nature treats youw ell that day, if you know what I mean? ^_^.


Hmmm.....

Little ole band from Texas....kickin it....
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Quoting RicknLCTX:


Been lurking since Alex and finally decided to jump in the fray..lol Yeppers BA, we are beginning to feel the strong feeder bands of those "skeeters" up here along Galveston Bay...uggg:/


Welcome Rick......

Advice, don't feed the animals...... it could get ugly! :D
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so anyone have any thoughts on that L sitting off the east coast seems like its been there for a long time trying to get its act going
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Quoting Conus:


Really, it would? wouldn't it excite you, miami? :0.
No it would absolutely not excite me. LOL.

Quoting StormW:


Actually, I d' hit the pit after the 11:00 pm. advisory for a storm.
I'd do the same thing, but I usually stay up a bit later when tracking a hurricane, for instance I was up until 3:00 AM EDT a couple nights while tracking Alex.
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Quoting Baltimorebirds:
And you make it so obvious everytime........

Kinda thought the same thing myself
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Quoting BA:
south texas...
next up...

mosquitoes the size of small birds in swarms the size of migrating caribou


Been lurking since Alex and finally decided to jump in the fray..lol Yeppers BA, we are beginning to feel the strong feeder bands of those "skeeters" up here along Galveston Bay...uggg:/
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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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