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re: Sally - Moving towards Georgia - Potential for Significant Flooding

Posted on 9/13/20 at 11:40 am to
Posted by NorthEndZone
Member since Dec 2008
14279 posts
Posted on 9/13/20 at 11:40 am to
The hurricane force winds are only forecast to extend 25 miles to the NE and only 15 miles to the NW.

This is a very small storm from a wind standpoint. Rain and surge will extend much farther than that however.

If the current forecast holds, only areas very close to the center on the west side will see hurricane force winds.

As always, forecast is subject to change.
Posted by PUB
New Orleans
Member since Sep 2017
20864 posts
Posted on 9/13/20 at 11:42 am to
Gorgeous falls ..
Posted by rds dc
Member since Jun 2008
21508 posts
Posted on 9/13/20 at 11:43 am to
LLC once again getting out ahead of the deepest convection. Also, notice the thin band of storms moving onshore near St. George Island and then off to the NW, watch how the tops of those storms race off to the SSE indicating significant shear is still present.

Posted by TheFonz
Somewhere in Louisiana
Member since Jul 2016
23259 posts
Posted on 9/13/20 at 11:44 am to
quote:

The hurricane force winds are only forecast to extend 25 miles to the NE and only 15 miles to the NW.


Thanks for that information. That's helpful to me.
Posted by GEAUXT
Member since Nov 2007
30511 posts
Posted on 9/13/20 at 11:45 am to
Keep it up mother nature!
Posted by lsusteve1
Member since Dec 2004
47795 posts
Posted on 9/13/20 at 11:45 am to
quote:

That’s percent chance of experiencing winds over 38 mph, bruh


Thx for the clarification, bruh
Posted by The Boat
Member since Oct 2008
177279 posts
Posted on 9/13/20 at 11:46 am to
As expected. The shear will let up as it moves to the west as Sally moves away from it and that’s when it will strengthen.
Posted by slackster
Houston
Member since Mar 2009
91838 posts
Posted on 9/13/20 at 11:49 am to
quote:

You got a link for that full screen radar site? The news station I had bookmarked took theirs down.

Thanks in advance!



Nice nationwide radar site
Posted by EXPLAYER
Member since Jul 2017
10791 posts
Posted on 9/13/20 at 11:49 am to
What time does the next report come out? Still nobody offering me any info in Slidell area. Appreciate any help one way or the other!
Posted by slackster
Houston
Member since Mar 2009
91838 posts
Posted on 9/13/20 at 11:50 am to
quote:

What time does the next report come out? Still nobody offering me any info in Slidell area. Appreciate any help one way or the other!


TS force winds likely. Hurricane gusts possible. Potential for lots of rain.
Posted by geauxtigers87
Louisiana
Member since Mar 2011
27422 posts
Posted on 9/13/20 at 11:51 am to
Surge in Slidell is something to watch too
Posted by NorthEndZone
Member since Dec 2008
14279 posts
Posted on 9/13/20 at 11:53 am to
Interesting run of HWRF coming out right now. So far after 30 hours it is about 15 miles NORTHEAST of its previous run.
Posted by iron banks
Destrehan
Member since Jul 2014
4258 posts
Posted on 9/13/20 at 11:53 am to
Track is not set in stone. Slidell could still see a direct hit. Latest GFS shows that. Bottom line everyone in the GNO area is on high alert. Please keep it sheared as long as possible.
Posted by SlidellCajun
Slidell la
Member since May 2019
16395 posts
Posted on 9/13/20 at 11:54 am to
T

quote:

Surge in Slidell is something to watch too


I am growing increasingly anxious about this
Posted by geauxtigers87
Louisiana
Member since Mar 2011
27422 posts
Posted on 9/13/20 at 11:54 am to
I'm surprised schools haven't started canceling yet
Posted by loogaroo
Welsh
Member since Dec 2005
42220 posts
Posted on 9/13/20 at 11:55 am to
quote:

What time does the next report come out? Still nobody offering me any info in Slidell area. Appreciate any help one way or the other!


Try the National Weather Service site. type your zip in the search...Forecast Discussion link is at the bottom of the page.

https://forecast.weather.gov/MapClick.php?lat=30.27621000000005&lon=-89.78162999999995#.X15O_mhKhPZ

quote:

000
FXUS64 KLIX 131023
AFDLIX

Area Forecast Discussion
National Weather Service New Orleans LA
523 AM CDT Sun Sep 13 2020

.DISCUSSION...

Not going to get into a lot of detail, as forecast is pretty much
predicated on impacts associated with current Tropical Storm
Sally. The current NHC forecast is to make landfall late Monday
night or Tuesday as a Category 2 hurricane on the lower southeast
Louisiana coast. Likely to take 24 hours or more to traverse the
CWA with significant storm surge, wind and heavy rainfall impacts.
Hazardous conditions could continue into Wednesday for portions
of the area, due to the expected slow movement of the storm. Most
watches were upgraded to warnings with the 4 am CDT advisory
package, as we are getting into the warning time frame in lower
portions of the coastal parishes.

Any preparations for the storm will be best accomplished today, as
conditions across far southern portions of the area will start
deteriorating late tonight or Monday. For the latest information,
monitor National Hurricane Center advisories, and our Hurricane
Local Statements.

&&

.AVIATION...

Primarily VFR conditions for the forecast period. There could be a
brief period of MVFR to IFR ceilings around sunrise this morning,
most likely at KHUM. Scattered SHRA/TSRA could occur at pretty
much any time today with outer bands associated with Sally.
Highest probabilty at KHUM/KMSY/KNEW, but will carry some mention
of either SHRA or TSRA at most all terminals during the afternoon
hours today. Precipitation would likely produce brief MVFR
ceilings and potentially IFR visibilities. Beyond 06z Monday,
conditions could start showing a deteriorating trend at southern
terminals, but more likely to occur beyond 12z.

&&

.MARINE...

Conditions likely to start deteriorating overnight tonight over
most of the coastal waters. Hazardous conditions likely to
continue through Tuesday night into Wednesday for portions of the
coastal waters. Seas well over 20 feet likely east of the track
of Sally over open waters. Conditions should start subsiding
Wednesday night into Thursday.

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB 91 74 87 74 / 30 10 50 30
BTR 93 76 91 76 / 30 10 50 30
ASD 92 75 87 73 / 30 20 80 60
MSY 90 79 87 77 / 30 20 70 60
GPT 90 75 84 75 / 30 40 80 70
PQL 93 74 86 74 / 40 40 90 70

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...Hurricane Warning for LAZ039-040-049-050-057-058-060>064-068>070-
072.

Hurricane Watch for LAZ056-059-065>067.

Flash Flood Watch from this evening through late Wednesday night
for LAZ037-039-040-049-050-056>072.

Storm Surge Warning for LAZ040-058-062>064-067>070.

Tropical Storm Warning for LAZ037-071.

GM...Hurricane Warning for GMZ530-532-534-536-538-550-552-555-557-570-
572-575-577.

MS...Hurricane Warning for MSZ077-080-081.

Hurricane Watch for MSZ082.

Flash Flood Watch from this evening through late Wednesday night
for MSZ070-071-077-080>082.

Storm Surge Warning for MSZ080>082.

Tropical Storm Warning for MSZ070-071-082.

GM...Hurricane Warning for GMZ532-534-536-538-550-552-555-557-570-572-
575-577.

&&

$$
This post was edited on 9/13/20 at 11:56 am
Posted by NorthEndZone
Member since Dec 2008
14279 posts
Posted on 9/13/20 at 11:56 am to
quote:

I'm surprised schools haven't started canceling yet


Lafourche Parish public schools just did for Mon/Tue (at the least)
Posted by LaBR4
Baton Rouge
Member since Sep 2005
53881 posts
Posted on 9/13/20 at 11:56 am to
quote:

I'm surprised schools haven't started canceling yet


WWL Facebook

quote:

My baby ain't getting on Nobody Bus and Going to Nobody School

This post was edited on 9/13/20 at 11:57 am
Posted by GEAUXmedic
Premium Member
Member since Nov 2011
42053 posts
Posted on 9/13/20 at 11:57 am to
quote:

My baby ain't getting on Nobody Bus and Going to Nobody School


Well, looks like she didn't either.
Posted by deuce985
Member since Feb 2008
27660 posts
Posted on 9/13/20 at 11:58 am to
I think this models are going to ping pong between a westward track and more towards miss/la border until tomorrow. wouldn't be surprised to see easterly shifts again today.
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