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Old 08-27-2017, 08:38 AM
 
37,315 posts, read 59,895,840 times
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Quote:
Originally Posted by pbmaise View Post
Is next on Harvey's list New Orleans?

It looks like it is clear for now in the City itself.

However, it looks like some of Harvey's rains are beginning to fall into the Mississippi's watershed.

I doubt that enough is left in Harvey to overwhelm the banks of the Mississippi.
Never say never...that is just daring Mother Nature to do her worst...
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Old 08-27-2017, 09:06 AM
 
Location: Big Island of Hawaii & HOT BuOYS Sailing Vessel
5,277 posts, read 2,802,638 times
Reputation: 1932
I did some more looking at Brays Bayou

https://en.m.wikipedia.org/wiki/Brays_Bayou


Wikipedia describes

"Brays Bayou is a slow-moving river in Harris County , Texas"

Not today.

I just looked again.

Normal flow is 150 ft3/sec

Currently flow is 28,900 ft3/sec

That means it is roaring at almost 200 times normal flow.

Typical river level is 17ft and current level is over the maximum measurable level. Currently it is almost 50 ft. That is a 33 ft above normal level!

There are 700,000 people living near this river.
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Old 08-27-2017, 10:00 AM
 
10,007 posts, read 11,168,902 times
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Quote:
Originally Posted by DabOnEm View Post
climate change
Has nothing to do with this...please refer to Allison. Like you said this stuff happens and will continue to happen.
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Old 08-27-2017, 10:59 AM
 
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Possible additional rain totals for next 7 days and interesting wording by NWS (keep in mind these will be scattered totals that are possible in these areas with bands of heavy rains rotating thru):


Tornado threat will continue for several more days as well:
Attachment 189524

As far as the center of Harvey: 10aCDT/11aEST: Winds 40mph, moving SSE 2mph, pressure 1000mb. It's going to hang around thru late this week likely continuing to bring scattered rains and flood/tornado threat for days to come across east TX and parts of Louisiana.

Keep in mind spme rivers won't crest (reach highest mark) until later this week in some locations. More flooding to come.

Houston has had numerous water rescues, with additional boats and helicopters inbound. Consult local news for details. Houston has only very recently finally started to address flooding the city regularly receives. They have a long road ahead of them to protect people in the future though.

Radar shows a break coming starting in SW Houston, but another band SW of there building. Heavy flooding rains making their way into portions of Louisiana now too.

Last edited by Psychoma; 08-25-2020 at 10:56 AM..
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Old 08-27-2017, 11:41 AM
 
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12pCDT/1EST: IAH (George Bush Intercontinental Airport) & HOU (William P. Hobby Airport) airports closed, no inbound/outbound flights until further notice.
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Old 08-27-2017, 12:55 PM
 
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Official eatimates of rescues currently at 1500-2000 have taken place. Additional numbers in Houston to call for help/rescue (via US Coast Guard):
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Old 08-27-2017, 03:54 PM
 
7,260 posts, read 4,634,376 times
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Sunday late afternoon:
-Corpus Christi boil water advisory lifted (except Padre Island), wastewater plant back online, 95% power restoration by 10p Wed.
-Victoria, Beeville, El Campo, & Kenedy power eta is 95% by 10pm this coming Saturday.

Last edited by Psychoma; 08-27-2017 at 04:03 PM..
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Old 08-27-2017, 04:36 PM
 
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The track of Harvey, if stays this way, would indicate heavy scattered rains in bands near the Houston region is possible thru Tuesday, but less after. Subject to change but hopefully somewhat of an end in sight. Heavier rains slowly start to push more into parts of Louisiana. Will still have river flooding to worry about though and occasional rains into the region thru the week.

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Old 08-27-2017, 05:51 PM
 
Location: Big Island of Hawaii & HOT BuOYS Sailing Vessel
5,277 posts, read 2,802,638 times
Reputation: 1932
I keep seeing many records were from 1994 and it was not from a hurricane.

See: Flood of 1994: History could repeat itself - Houston Chronicle

I have been tracking the rise of the upper San Jacinto River and it still has many feet to go to match 1994.

This said, everyone said Harvey would dump the same amount of rain as that Montgomery County storm in 1994.

Further, instead of less building in the flooded areas of 1994 there has been massive new developments.

Everything likely slab on grade.

When Allison hit Houston there were over 70,000 homes flooded. At least these people should have been told to get out.

There were also over 90,000 cars damaged by flood waters.
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Old 08-27-2017, 06:23 PM
 
Location: Big Island of Hawaii & HOT BuOYS Sailing Vessel
5,277 posts, read 2,802,638 times
Reputation: 1932
The San Jacinto River Basin (Lake Houston) has been rising fast.

This is especially true because the Conroe Dam was only 6" from max before Harvey hit. Conroe has been spilling water from 445 square miles of watershed.

I have been trying to figure this dam out and editing my comment. It looks like it already is spilling water after it reaches 41 ft. Then it has two more gates it can open to prevent it from reaching maximum design level.

Currently the SJRB is at 46.8 ft. When the reservoir reaches 54 ft, and it likely will, then the dam must begin to spill from the two extra gates.

At that point, expect a dramatic rise in the San Jacinto below the dam.

https://waterdatafortexas.org/reserv...vidual/houston

Last edited by pbmaise; 08-27-2017 at 06:46 PM..
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