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Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:29 am
by ticka1
crazy4disney - not sure of her nickname here at khou has water in her house! gina!

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:30 am
by srainhoutx
Katdaddy reports m near entering his home.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:30 am
by DoctorMu
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.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:31 am
by mckinne63
srainhoutx wrote:Jeff reports people climbing into attics in S Houston to escape the rising flood waters.
My prayers go out to everyone.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:38 am
by ticka1
another line is developing out by bay city and moving over devasted areas.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:42 am
by MontgomeryCoWx
The Bay City band is the intense one... there's another band forming just west of Angleton

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:43 am
by srainhoutx
Jeff reports Major Flooding from NW Harris County to SE Harris County into Northern Galveston County.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:45 am
by Andrew
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.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:47 am
by srainhoutx
[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]


Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 1:58 am
by mcheer23
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.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 2:00 am
by Scott747
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.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 2:04 am
by mckinne63
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.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 2:18 am
by txflagwaver
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.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 2:26 am
by Rip76
Looks like another line in a few hours.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 2:39 am
by txflagwaver
Per Harris County Flood Control some bayous have already surpassed levels set by Tropical Storm Allison.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 3:55 am
by Texaspirate11
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....

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 4:13 am
by Andrew
Large shift in track from nws

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 4:30 am
by Belmer
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.

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 4:36 am
by ticka1
Andrew wrote:Large shift in track from nws
are you saying this is closer to houston????

Re: August 2017: Tracking Harvey/Catastrophic Flooding/Torna

Posted: Sun Aug 27, 2017 4:47 am
by sambucol
ticka1 wrote:
Andrew wrote:Large shift in track from nws
are you saying this is closer to houston????
I think so.