August 2017: Looking Back at Harvey 5 Year Later

General Weather Discussions and Analysis
ticka1
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crazy4disney - not sure of her nickname here at khou has water in her house! gina!
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srainhoutx
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Katdaddy reports m near entering his home.
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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DoctorMu
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mckinne63 wrote:
DoctorMu wrote:
mckinne63 wrote:Really concerned here, high water on the side of our house and we have a drainage system. But the water has no where to go when the street is a river.
If I read the radar correctly, it could lighten up for you in Stafford within 30 min.
I sure hope so! It stopped for a but is now raining again. Only time I have seen water lapping up the driveway was during Allison. And we have never seen standing water on the side of the side of the house like we have seen this evening.
We have family on the west side, north of you. We haven't heard from them yet.
mckinne63
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srainhoutx wrote:Jeff reports people climbing into attics in S Houston to escape the rising flood waters.
My prayers go out to everyone.
ticka1
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another line is developing out by bay city and moving over devasted areas.
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MontgomeryCoWx
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The Bay City band is the intense one... there's another band forming just west of Angleton
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srainhoutx
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Jeff reports Major Flooding from NW Harris County to SE Harris County into Northern Galveston County.
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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Andrew
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On top of all this flooding going on, the ECMWF indicates this storm could circle back to the gulf and make a second landfall somewhere in SE Texas. It has been rather persistent in this idea versus the other models.
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srainhoutx
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[atMESOSCALE PRECIPITATION DISCUSSION 0741
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
235 AM EDT SUN AUG 27 2017

AREAS AFFECTED...S-CNTRL TO SERN TX

CONCERNING...HEAVY RAINFALL...FLASH FLOODING LIKELY

VALID 270634Z - 271200Z

SUMMARY...SLOW MOVING OR NEARLY STATIONARY TRAINING AXES OF HEAVY
RAIN WILL CONTINUE TO GENERATE VERY DANGEROUS AND LIFE THREATENING
FLASH FLOODING OVER PORTIONS OF SOUTHEASTERN TEXAS. LOCALIZED 6
HOUR RAINFALL TOTALS OVER 10 INCHES ARE EXPECTED THROUGH 12Z.

DISCUSSION...KHGX RADAR HAS SHOWN A NEARLY STATIONARY BAND OF VERY
HEAVY RAIN JUST WEST OF GALVESTON BAY WITH SEVERAL REPORTS OF 4-6
IN/HR AND OBSERVED THREE HOUR REPORTS RANGING FROM 12-15 INCHES
ALONG THE HARRIS/GALVESTON COUNTY LINE ENDING 06Z. EXTREME LOW
LEVEL CONVERGENCE/CONFLUENCE HAS BEEN IN PLACE TO THE EAST OF
TROPICAL STORM HARVEY...LOCATED OVER GONZALES COUNTY AT 06Z BY
NHC...WITH 40-60 KT 850 MB FLOW WRAPPING AROUND THE EAST AND NORTH
SIDE OF THE CENTER OF CIRCULATION. THE HEAVIEST RAINFALL RATES ARE
LOCATED...AND SHOULD STAY LOCATED WITHIN 75-100 MILES OF THE GULF
COAST GIVEN IT HAS BEEN THE SOURCE REGION FOR HIGHER INSTABILITY
AMID PRECIPITABLE WATER VALUES IN EXCESS OF 2.5 INCHES.

HARVEY IS FORECAST BY NHC TO CONTINUE A VERY SLOW DRIFT IN THE
SHORT TERM WHICH IMPLIES LITTLE MOVEMENT TO LOW LEVEL AXES OF
CONVERGENCE LOCATED FROM MATAGORDA BAY TO THE SABINE RIVER WITH
EXISTING BANDS PERSISTING OR SLOWLY MORPHING TO A NEARBY LOCATION
THROUGH 12Z. WHILE THE INFLOW BAND CONTAINING THE EXTREME RAINFALL
RATES IMMEDIATELY WEST OF GALVESTON BAY HAS SHOWN SOME SIGNS OF
REORGANIZING OVER THE PAST 30 MINUTES...A NEW STATIONARY BAND HAS
DEVELOPED OVER MATAGORDA BAY EXTENDING NORTH INTO WHARTON COUNTY
AS OF 06Z.

GIVEN LITTLE CHANGE IN FORCING MECHANISMS AND THE THERMODYNAMIC
ENVIRONMENT OVER THE NEXT 4-6 HOURS...LOCATIONS EAST OF HARVEY
WILL CONTINUE TO EXPERIENCE SLOW MOVING TO NEARLY STATIONARY AXES
OF RAINFALL RATES AS HIGH AS 6 IN/HR WITH 6 HOUR RAINFALL TOTALS
OVER 10 INCHES EXPECTED THROUGH 12Z. GIVEN THESE EXTREME RAINFALL
RATES ON TOP OF AN ALREADY SATURATED GROUND...VERY DANGEROUS AND
LIFE THREATENING FLASH FLOODING IS EXPECTED TO CONTINUE.

OTTO

ATTN...WFO...CRP...EWX...FWD...HGX...LCH...SHV...

tachment=0]08272017 mcd0741.gif[/attachment]

Attachments
08272017 mcd0741.gif
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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mcheer23
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Andrew wrote:On top of all this flooding going on, the ECMWF indicates this storm could circle back to the gulf and make a second landfall somewhere in SE Texas. It has been rather persistent in this idea versus the other models.

More and more models are doing this. TVCN is actually nearly showing this. Track will shift closer to this solution at 4.
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MontgomeryCoWx wrote:The Bay City band is the intense one... there's another band forming just west of Angleton
I've watched the pattern all day. This smaller band should merge with the larger band to the sw. Its every bit as explosive as all the other bands, if not more. The only differnce is this one started building from s to n, opposite of the others.

That building feed off the gulf is intense.
mckinne63
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DoctorMu wrote:
We have family on the west side, north of you. We haven't heard from them yet.
I hope you hear from them soon! Rain has stopped for now here. I have never seen so much water in the yard like I did this evening. And only time I saw our street flooded like it was this evening was during Allison.
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txflagwaver
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Getting a break from the rain in Seabrook area. Street completely under...about 6 feet up the driveways. Looks like it is flowing toward the drains..as long as we keep getting these break we should be ok. On another note, the mosquitoes are AWFUL!


Edit to add: Already raining again...harder than before.
Last edited by txflagwaver on Sun Aug 27, 2017 2:37 am, edited 1 time in total.
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Rip76
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Looks like another line in a few hours.
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txflagwaver
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Per Harris County Flood Control some bayous have already surpassed levels set by Tropical Storm Allison.
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Texaspirate11
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So many cities in Galveston County are underwater.
Jeff Linder said SE Harris County is "paralyzed"
This has only been the first day of TS Harvey....
Just because you're disabled, you don't have to be a victim
Be Weather Aware & Prepared!
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Andrew
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Large shift in track from nws
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Belmer
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We just had over 80+mph wind gusts here in Pasadena and Deer Park. Scared the you know what out of me as I wasn't looking at velocity radar and figured it was a tornado.
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ticka1
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Andrew wrote:Large shift in track from nws
are you saying this is closer to houston????
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sambucol
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ticka1 wrote:
Andrew wrote:Large shift in track from nws
are you saying this is closer to houston????
I think so.
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