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re: Tropical Storm Nicholas - Flash Flood Watch for South Louisiana

Posted on 9/10/21 at 8:22 pm to
Posted by lsugolfredman
Member since Jun 2005
1845 posts
Posted on 9/10/21 at 8:22 pm to
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41608 posts
Posted on 9/10/21 at 8:22 pm to
Yea on a serious note, we do not need any more tropical activity. We’ve met our quota for the next 15 years with Ida alone. Mother fricker that was an intense arse hurricane. I’m still shocked at how strong it was here in eastern Ascension Parish. Wind had to be sustained at 80-90 mph for two hours and gusts had to be well over 100mph.
Posted by Bobby OG Johnson
Member since Apr 2015
24813 posts
Posted on 9/10/21 at 8:22 pm to
quote:

NWS Weather Prediction Center
@NWSWPC

Confidence is increasing that significant rainfall will impact portions of the Western Gulf Coast starting early next week associated with an area of disturbed weather in the western Caribbean Sea. Interests along the TX/LA coast should monitor the progress of this system.
8:15 PM · Sep 10, 2021


Posted by Cosmo
glassman's guest house
Member since Oct 2003
120268 posts
Posted on 9/10/21 at 8:27 pm to
Note those are 7 day rainfall totals with the rain mostly late sunday to thursday
Posted by LaBR4
Baton Rouge
Member since Sep 2005
50815 posts
Posted on 9/10/21 at 8:27 pm to
quote:

Wind had to be sustained at 80-90 mph for two hours and gusts had to be well over 100mph.



Anybody seen any wind gust numbers? I'd be curious to know about Houma, up to LaPlace, Gonzales (Ascension) area, Northshore and Denham and Baton Rouge had to be over 75-80 in the southern part of EBR. I don't care about the Airport 15 miles away recording 60, south BR was higher.
This post was edited on 9/10/21 at 8:28 pm
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41608 posts
Posted on 9/10/21 at 8:36 pm to
quote:

Anybody seen any wind gust numbers? I'd be curious to know about Houma, up to LaPlace, Gonzales (Ascension) area, Northshore and Denham and Baton Rouge had to be over 75-80 in the southern part of EBR. I don't care about the Airport 15 miles away recording 60, south BR was higher.

The western eyewall passed right to the east of Donaldsonville, north over eastern sections of St. Amant, and to Port Vincent. No doubt that Gonzales and Geismar saw considerably lower winds and wind gusts. It drops of very quickly on the western side. I’m just south of Port Vincent in Ascension Parish and I am 100% convinced my address saw 115mph wind gusts. No doubt about it in my mind. I’ve never experienced wind like that in my life and was legitimately concerned for a little while.
Posted by lsuman25
Erwinville
Member since Aug 2013
41509 posts
Posted on 9/10/21 at 8:36 pm to
Yea another bad thing looks like this will be a slow mover.
Posted by sledgehammer
SWLA
Member since Oct 2020
3366 posts
Posted on 9/10/21 at 8:43 pm to
Let's get this season over with already!
Posted by Klingler7
Houston
Member since Nov 2009
11978 posts
Posted on 9/10/21 at 8:55 pm to
I live in south Gonzales and my lowest pressure was 28.91 inches (979 mb).
Posted by udtiger
Over your left shoulder
Member since Nov 2006
98813 posts
Posted on 9/10/21 at 9:02 pm to
No bueno
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41608 posts
Posted on 9/10/21 at 9:14 pm to
quote:

I live in south Gonzales and my lowest pressure was 28.91 inches (979 mb).

I got down to 972.
Posted by Jake88
Member since Apr 2005
68249 posts
Posted on 9/10/21 at 10:35 pm to
992 in Madisonville.
Posted by LSUGrad9295
Baton Rouge
Member since May 2007
33483 posts
Posted on 9/10/21 at 11:34 pm to
quote:

Please share the rain totals?
5 inches
10
25
50



Posted by Cosmo
glassman's guest house
Member since Oct 2003
120268 posts
Posted on 9/10/21 at 11:35 pm to
quote:

Please share the rain totals?
5 inches
10 inches


Looks like somebody is gonna get somewhere in there over 3 days
This post was edited on 9/10/21 at 11:40 pm
Posted by lsuman25
Erwinville
Member since Aug 2013
41509 posts
Posted on 9/10/21 at 11:44 pm to
GFS rain forecast I stopped it at 6pm Wednesday
This post was edited on 9/10/21 at 11:48 pm
Posted by TheFonz
Somewhere in Louisiana
Member since Jul 2016
20385 posts
Posted on 9/11/21 at 12:00 am to
I’d still like to know what the highest sustained winds and gusts were in Madisonville.

Anyone else have trouble with their ears popping the following day and the pressure went back up?
Posted by BallsEleven
Member since Mar 2019
6163 posts
Posted on 9/11/21 at 6:19 am to
The GFS shifted the heaviest rain totals into SWLA. Most of the rain coming throughout the day Monday with as much as 10” in a 6 hour window in some places.
Posted by Jake88
Member since Apr 2005
68249 posts
Posted on 9/11/21 at 7:01 am to
quote:

I’d still like to know what the highest sustained winds and gusts were in Madisonville.
I wouldn't be surprised if it was much less than we suspect. Like some sustained winds of 60-70 and a gust or two at 90.

Wunderground has a bunch of weather stations from people's houses linked that you can find on a map, but at about 10pm they weren't registering anything, probably because they rely on electricity.
Posted by rds dc
Member since Jun 2008
19810 posts
Posted on 9/11/21 at 7:26 am to
Very tough forecast coming up with higher than normal uncertainty. From a forecast perspective, the sooner this forms and the more organized it gets the better. There aren't a lot of track options b/c of the overall setup but a more organized system will make it somewhat easier to pin down the locations of the highest rain totals. Models have been all over the place but the one common theme has been the potential for some bigtime rain totals.

The latest from WPC.

Posted by rds dc
Member since Jun 2008
19810 posts
Posted on 9/11/21 at 7:29 am to
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