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Offline catfish1957

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Francine thread
« on: September 07, 2024, 03:34:09 pm »
Just as complacency sets in, the NHC gives us this a slap reminder its only September....
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Sat Sep 7 2024

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

1. Western Gulf of Mexico (AL91):
An area of low pressure has formed over the Bay of Campeche and is
producing disorganized showers and thunderstorms. The system is
forecast to drift slowly northward for a couple of days while it
interacts with a frontal boundary. Environmental conditions are
forecast to be conducive for development, and a tropical depression
is likely to form during the early or middle part of next week while
the system moves generally northward near or along the Mexican and
Texas Gulf coastline.  Interests along the western Gulf of Mexico
coast should closely monitor the progress of this system.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 7 days...high...70 percent.

This morning's GFS run confirms the NHC forecast.  A Depression forms in the Central Bay of Compeche in the next day or 2, becomes a T.S. about the 10th, as it creeps up almost paralleling the Texas Coast.  By the 12th it is predicting a Cat 2-ish 979mB system right off the TX/LA coast.  Making Landfall at about New Iberia as a Cat 2, late the 12th. 

Still way early on, and take the specifics of path and strength with strength grain of salt.  But all interests west of 90W should keep at least an eye on the Tropics for the next week.  These Campeche storms always have concerned me.  The likes of the names, Camille, Audrey and Alicia should get everyone's attention.


https://www.tropicaltidbits.com/analysis/models/?model=gfs&region=us&pkg=mslp_pcpn_frzn&runtime=2024090712&fh=66
« Last Edit: September 07, 2024, 03:36:21 pm by catfish1957 »
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Offline catfish1957

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Re: Francine thread
« Reply #1 on: September 08, 2024, 09:48:27 am »

NHC update 8 AM this morning

ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM CCA

Tropical Weather Outlook...Corrected
NWS National Hurricane Center Miami FL
800 AM EDT Sun Sep 8 2024

Corrected category for the 48 hour probability for AL92

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

1. Western Gulf of Mexico (AL91):
Showers and thunderstorms have increased this morning in association
with a broad area of low pressure located over the southwestern Gulf
of Mexico. This system is forecast to drift slowly northwestward
during the next couple of days, and environmental conditions are
expected to become conducive for additional development. A tropical
depression is likely to form during the next couple of days as the
system moves generally northwestward and then northward near or
along the Gulf coast of Mexico and Texas through the middle of the
week. Interests along the western and northwestern Gulf Coast should
closely monitor the progress of this system. Watches could be
required for portions of the western Gulf coast later today or
tonight. An Air-Force Reserve Hurricane Hunter aircraft is also
scheduled to investigate the system later today.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 7 days...high...90 percent.

2. Central Tropical Atlantic (AL92):
Showers and thunderstorms associated with an elongated area of low
pressure over the central tropical Atlantic continue to show some
signs of organization. Environmental conditions appear conducive for
additional development of this system, and a tropical depression
could form while the system meanders over the central tropical
Atlantic through Monday and then begins to move generally westward
at around 10 mph through the rest of the week.
* Formation chance through 48 hours...medium...40 percent.
* Formation chance through 7 days...medium...60 percent.
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Offline catfish1957

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Re: Francine thread
« Reply #2 on: September 08, 2024, 10:23:58 am »
Spot sat image this morning.

1. Entire western gulf has pooled moisture and convection triggers due to the early early cold front.
2. Not on this scan, but the IR scan shows a very dry area, mostly from TX at 30N, stretching eastward.  How that area of dryness gets into the GOM, or whether it moderates, is going to have a bearing especially of strength as it is expected to move NW-->N-->NE
3. Wave is playing coy where it COC will be located.  Earlier this morning, it looked like it was almost along the Mexican coast.  Now, its well off shore a 100 miles.
4. GFS run showed pretty similar results as yesterday, as a CAT 1 or 2 towards an area based on the model varability I see, from anywhere near Freeport to NOLA.  Which brings me to the point that some in prognosticaton has it trending eastward.  So IMO the entire Western and Northern Gulf should watch for development next week.


I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Offline catfish1957

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Re: Francine thread
« Reply #3 on: September 08, 2024, 02:54:08 pm »
Latest overall runs.....

Good news is that only 1 of the 14 or so, have this making hurricane strength.

I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Offline catfish1957

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Re: Francine thread
« Reply #4 on: September 09, 2024, 08:50:28 am »
The NHC hows now designated that the area of low pressure in the BOC, is now Tropical Cyclone No. 9, with max sustained winds of 50 mph.

You might ask why isn't this thing named yet?  Good question, and an unusual situation that the Low is though a complete circulation, has >39 mph winds, but the storm itself is not exhibiting normal tropical characteristics yet, like outflow, wind profiles, symmetrical convection, etc.  The NHC does expect that TC 9 will later today, and will become Tropical Storm Francine. 

From there, they are expecting Francene to slowly turn from NW, to N, to NE.  Kind of paralleling the Texas coast.  Expected landfall has shifted since earlier model runs, and the cone now lies between Galveston and Morgan City.  Strenght?  Most models have it from a strong Tropical Storm to a Cat 1 Hurricane, reaching the coast late Wednesday night.  Though based on the direction, an earlier hit is expected if the point is at the Upper Texas Coast, and maybe into Thursday into SE Louisiana.  Riding the remnants of an unusally early weak frontal boundry that is a 100 miles off the coast.

Vis sat shows this thing as a convective blob more than anything else.  Fairly strong revaliing upper SE Winds should hopefully prevent rapid intensificaiton.  These same winds have me a little concerned that the quick N to NE turn might be overstated just a tad.

AND...since this is a blob, without a truly pont of Center of Circulation ,I think the confidence on these forecasts, at least direction wise, are sketchy.....   At least for this advisory.    IMO...  Anyone from Corpus to Mobile should keep an eye out.
 
« Last Edit: September 09, 2024, 08:54:26 am by catfish1957 »
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Offline catfish1957

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Re: Francine thread
« Reply #5 on: September 09, 2024, 06:47:17 pm »
Is the NHC overestimating strengthening potential in Francine?

Looks at this latest IR Sat run, and check out what is an incredible amount of sheer on the storm.  It's now about 600 miles long, and it is creating a problem with enough convection and organization around the center.

I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

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Re: Francine thread
« Reply #6 on: September 09, 2024, 09:51:35 pm »
Tropical Storm Francine at 24.1°N - 96.0°W

Gulf of Mexico
Last observation: 10 Sep 2024 - 01:20 UTC

https://www.star.nesdis.noaa.gov/goes/floater.php?stormid=AL062024

NHC Storm Description:

10 Sep 2024 - 0:00 UTC ...FRANCINE EXPECTED TO BECOME A HURRICANE SOON... ...STORM SURGE AND HURRICANE WARNINGS ARE IN EFFECT FOR THE LOUISIANA COAST... As of 7:00 PM CDT Mon Sep 9 the center of Francine was located near 24.1, -96.0 with movement NNW at 7 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 65 mph.


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Re: Francine thread
« Reply #7 on: September 10, 2024, 08:36:43 am »

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Re: Francine thread
« Reply #8 on: September 10, 2024, 11:54:52 am »
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Offline catfish1957

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Re: Francine thread
« Reply #9 on: September 10, 2024, 01:01:51 pm »
Francine has done a nice job of getting its act together, and will approach the LA Coast, likely as a Cat 1, or minimal Cat 2.

Models and projections are continually shifting east as I predicted.  That low area along the gulf has consilidated eastward, likely giving Francine a nice pressure gradient conduit for an eventual NE trek, and then northward after landfall.

There still seems to be a massive amount of upper level SW->NE shear, as when you view the sat photos of the storm it is incredibly elongagted.  While the center is still of the coast of northern Mexico, at least as much or more of the storm convection has been stripped, and is in a huge clump of precip that essentially is filling the entire GOM from 90-95W Long and 25-30N Lat. 

I think watching this large side clump of precip, will or should give an idea of how Francine will progress. While the present course has the center line heading toward Morgan City, I wouldn't be surprised to see the path shift eastward a couple of more times, putting NOLA, Biloxi, and Mobile more into play.

Intensity wise, the NHC is looking at about 80 mph at land fall (Cat 1) Though, looking at how convection is being ripped off, I am a little skeptical of this level of intensification.   OTOH, a move from 65 mph (now) to 85 mph in a 48 hour period in this hot of Gulf water, is pretty plausible too.  What is also somewhat bizzare is that secondary bit of convection is so impressive, I can also see what might be a secondary CIC.  I know....  not likely, but the individual thunderstorms at 28N 93W almost seem to be forming what seems a center.  BUT...  it does also seem that the clump of convection is moving away from Francine faster than the storm itself.  So, this just might be a diurnal regen.

Last observation is that once you get above 30N Lat, the upper level winds are whipping up big time.  I think this is why the NHC is thinking that Francine might weaken a little bit before landfall.  Still, one this storm goes inland, I expect rapid de-intensification, though of course the Low itself will persist inland in the Mid West at least a week.  I do see there is still a massive amount of dry air at and North of Interstate 20, so that will hasten that demise too.
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Offline catfish1957

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Re: Francine thread
« Reply #10 on: September 10, 2024, 07:05:04 pm »


Beleive it or not, there are not two storms in the GOM right now.  Francine is the smaller storm closer to the Texas, Mexico coast.  What is so strange about this graphic, is that the detached convection almost seems like it has its own tropical characteristic including concentric feeder banding.

Francine is still 65 mph, and really the only change in NHC status is that the track again appears to have shifted (as I predicted) another 30 miles east.  I still believe areas toward Mississippit and Alabama might be in play, especially if the Low trough keeps tilted on a NE/SW axis

One last point I need to add.....    Once Francine gets about 150 miles inland, steering currents, including a NE US blocking hight are going to result in the remnants of Francine to linger in the SE MO, W Illinois, and Kentucky areas.  If NHC maps are right, we might only see about 250 miles in a 72 hour period.  Watch for a flood threat for NE Arkansas, Eastern MO, Western KY, and Western TN.
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Re: Francine thread
« Reply #11 on: September 10, 2024, 07:21:24 pm »
   Will the levees and pumps hold or will Nawlins send Texas another bunch of Katrinas? 

When The Levee Breaks (Led Zeppelin)- Hurricane Katrina Edition


https://www.youtube.com/watch?v=Tu9U4UxElWA
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Re: Francine thread
« Reply #12 on: September 10, 2024, 07:22:33 pm »


Beleive it or not, there are not two storms in the GOM right now.  Francine is the smaller storm closer to the Texas, Mexico coast.  What is so strange about this graphic, is that the detached convection almost seems like it has its own tropical characteristic including concentric feeder banding.

Francine is still 65 mph, and really the only change in NHC status is that the track again appears to have shifted (as I predicted) another 30 miles east.  I still believe areas toward Mississippit and Alabama might be in play, especially if the Low trough keeps tilted on a NE/SW axis

One last point I need to add.....    Once Francine gets about 150 miles inland, steering currents, including a NE US blocking hight are going to result in the remnants of Francine to linger in the SE MO, W Illinois, and Kentucky areas.  If NHC maps are right, we might only see about 250 miles in a 72 hour period.  Watch for a flood threat for NE Arkansas, Eastern MO, Western KY, and Western TN.

It does look like two storms brewing; LA is already dealing with a storm and Francine is going to be a disaster for them.

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Re: Francine thread
« Reply #13 on: September 10, 2024, 07:26:41 pm »
   This was probably a Republican idea to fill a City that's 6' under Sea Level with people that can't swim, historically.    :whistle:
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Re: Francine thread
« Reply #14 on: September 10, 2024, 08:05:59 pm »
I'll be lucky to get a much needed rain shower out of Francine.
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Offline catfish1957

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Re: Francine thread
« Reply #15 on: September 11, 2024, 10:57:39 am »
Francine continues to trend eastward, and some cone-centric prognostications have the eye going over NOLA.  Like I said a number of days ago, I thought this think was to westward biased based on the meterorlogical maps and trends.

Francine is now 90 MPH and the NHC now has it landfalling near Morgan City late tonight. Briefers in eastern AR, western TN, SE MO, and western KY need to know that Francine might slow down and park on your location for a 24-48 hour period.  I expect to see some flooding news early this weekend from that. 
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

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Re: Francine thread
« Reply #16 on: September 11, 2024, 11:23:36 am »
Francine continues to trend eastward, and some cone-centric prognostications have the eye going over NOLA.  Like I said a number of days ago, I thought this think was to westward biased based on the meterorlogical maps and trends.

Francine is now 90 MPH and the NHC now has it landfalling near Morgan City late tonight. Briefers in eastern AR, western TN, SE MO, and western KY need to know that Francine might slow down and park on your location for a 24-48 hour period.  I expect to see some flooding news early this weekend from that.

Francine's shift east leaves some in St. Mary Parish little time to prepare

Yes it did shift eastward.  I can't believe the headline though -- as a rule most have learned anytime you have a hurricane that is close to it's nose pointing your way -- you get prepared ahead of time.

https://www.theadvocate.com/acadiana/news/hurricane/morgan-city-residents-await-hurricane-francine-on-wednesday/article_c83a6efe-704c-11ef-8092-235b16f06862.html

Offline Sighlass

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Re: Francine thread
« Reply #17 on: September 11, 2024, 02:38:37 pm »
Rain is what we are hoping for from this event.... Eastern Bama is parched.
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Offline catfish1957

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Re: Francine thread
« Reply #18 on: September 11, 2024, 03:35:54 pm »
Well it's crunch time for Francine.  90 mph sustained winds (high end Cat 1) approaching Morgan City, LA.

Thank goodness it's been somewhat elongated on a SW-NE axis, otherwise we'd be seeing a Cat 2.  Also good news is that the wind field of hurricane force winds is relatively small versus the entire storm.  Right now that core of >75 mph winds is only about 50 miles in diameter, which should limit the destructive path.  Also of good news, is that there should be at least 20 or 30 miles of hard swamp that might temper Francine.

Also, in the past 2 hours the overall convection field of the storm is drastically lessened.  Whether is a trend or a regeneration of the storm remains to be seen.  From sat view, looks like everything West of Lafayette looks in the clear.  It also seems the eastward path shift has ended.  Baton Rouge looks more likely as the aim rather than NOLA.  And from there....  Rain, and a whole whole lot of it around the Memphis area if the track and storm speed holds true.

« Last Edit: September 11, 2024, 03:36:44 pm by catfish1957 »
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Re: Francine thread
« Reply #19 on: September 11, 2024, 03:50:17 pm »
 Hurricane Francine spins just offshore Louisiana moving closer to landfall

Rainbands of Francine continue to move onshore and spread inland into the southern region of the state.
 The National Hurricane Center said tropical-storm-force winds are spreading across Louisiana, and conditions will continue to worsen throughout the afternoon and into the evening.



much more here
https://www.foxweather.com/weather-news/tracking-hurricane-francine
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Offline Sighlass

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Re: Francine thread
« Reply #20 on: September 11, 2024, 07:27:06 pm »
New Orleans getting some good wind up the tailpipe from the Eastern edge... Did make Cat 2 levels by a whisker... but they should be ok for the most part.
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Re: Francine thread
« Reply #21 on: September 11, 2024, 07:31:36 pm »
Hurricane Francine Makes Landfall In Terrebonne Parish, Louisiana

H​ere's the latest status of this system: Francine is moving northeastward through southern Louisiana. Maximum sustained winds have decreased to 90 mph as of 6 p.m. CDT, making Francine a Category 1 hurricane.

Areas of rain and wind continue to push into Louisiana and other parts of the northern Gulf Coast. Hurricane conditions are pushing through southern Louisiana. A wind gust of 105 mph was recently reported on Eugene Island, Louisiana. Flooding is also being reported in several spots in southern Louisiana, including Cocodrie and Dulac. Dulac, Louisiana, recently reported a gust to 97 mph.

New Orleans' Lakefront Airport has reported a 47 mph wind gust while two stations have reported gusts over 50 mph. Gusts at offshore oil rigs have gusted as high as 112 mph on elevated platforms.



https://weather.com/storms/hurricane/news/2024-09-11-hurricane-francine-forecast-landfall-louisiana-gulf-coast-south


Offline catfish1957

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Re: Francine thread
« Reply #22 on: September 11, 2024, 07:51:28 pm »
Hurricane Francine Makes Landfall In Terrebonne Parish, Louisiana

H​ere's the latest status of this system: Francine is moving northeastward through southern Louisiana. Maximum sustained winds have decreased to 90 mph as of 6 p.m. CDT, making Francine a Category 1 hurricane.

Areas of rain and wind continue to push into Louisiana and other parts of the northern Gulf Coast. Hurricane conditions are pushing through southern Louisiana. A wind gust of 105 mph was recently reported on Eugene Island, Louisiana. Flooding is also being reported in several spots in southern Louisiana, including Cocodrie and Dulac. Dulac, Louisiana, recently reported a gust to 97 mph.

New Orleans' Lakefront Airport has reported a 47 mph wind gust while two stations have reported gusts over 50 mph. Gusts at offshore oil rigs have gusted as high as 112 mph on elevated platforms.



https://weather.com/storms/hurricane/news/2024-09-11-hurricane-francine-forecast-landfall-louisiana-gulf-coast-south

Terrebonne Parish is good spot to land.  Lot's of swamps, gators, Moccasins, Cypress, and Tupelo. Houma's gotten pretty  big, and at elevation of 10 feet, I hope those folks didn't have to deal with much storm surge.
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

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Re: Francine thread
« Reply #23 on: September 12, 2024, 04:11:02 pm »
Wow, 19 years since Katrina.

I hope this one is nowhere near as big or devastating
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Offline catfish1957

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Re: Francine thread
« Reply #24 on: September 12, 2024, 04:37:30 pm »
Wow, 19 years since Katrina.

I hope this one is nowhere near as big or devastating

From what I know about the real estate.....   Gators, Snakes, Cypress, and Tupelos impacted most.  :cool:
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.