00z CMC, GFS & UKMET amazingly all agree on GoM 'action'

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SamSagnella
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00z CMC, GFS & UKMET amazingly all agree on GoM 'action'

#1 Postby SamSagnella » Mon Oct 03, 2005 1:48 am

The following post is NOT an official forecast and should not be used as such. It is just the opinion of the poster and may or may not be backed by sound meteorological data. It is NOT endorsed by any professional institution including storm2k.org For Official Information please refer to the NHC and NWS products.

Though this isn't really a forecast per se, simply commenting on some similarities in the 00z runs of the CMC and UKMET models. Still, the above is true, and no one should base any decisions of importance on anything written below.
-------------------------------------

In my time as an amateur meteorologist, I have never seen anything quite like this.

The CMC, GFS and the UKMET are out for the 03/0000z run, and I am noticing some INSANE similarities between them. They are all developing an intense area of low pressure (most likely a tropical cyclone) that moves in a large cyclonic loop over the basically the entire periphery of the Gulf coast!! They all have the same exact scenario -- and a rather complex one at that -- beginning at around 42hrs. If this pans out...'Tammy' is going to be one MAJOR headache quite a few people. Anyone else notice this crazy scenario? and that THREE generally reliable models are agreeing on it >48hr out?

EDIT: The 00z GFS is on board too --- this really is quite remarkable.

03/0000z Runs:
CMC 48Hr---------------UKMET 48Hr--------GFS 48Hr--------
CMC 60Hr---------------UKMET 60Hr--------GFS 60Hr--------
CMC 72Hr---------------UKMET 72Hr--------GFS 72Hr--------
CMC 96Hr ---------------UKMET 96Hr--------GFS 96Hr--------
CMC 120Hr --------------UKMET 120Hr--------GFS 120Hr--------

Like I said above...this isn't a forecast, just noting similarities in three model's interpretations of what will happen in the next couple days. So, please no panicking or anything if you can, and try to keep the :eek: 's to a minimum if possible. :lol:
Last edited by SamSagnella on Mon Oct 03, 2005 2:18 am, edited 1 time in total.
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#2 Postby Starburst » Mon Oct 03, 2005 2:16 am

I do see the similarities do you think all that would pan out?
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#3 Postby Recurve » Mon Oct 03, 2005 2:36 am

I'm not even going to look at that, it's too sick. Don't like the name Tammy either.

Does this tropical low come out of the Bahamas low moving across florida, or does a low get cut off or just pop up in the gulf ?
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can you explain

#4 Postby jenmrk » Mon Oct 03, 2005 2:52 am

I have never posted here, I am just a lurker who lives in Pensacola, can you explain to me what I am looking at, if I am looking at it correctly it looks bad, I hope I am wrong, by the way you all fascinate me with all of your knowledge, it is all so amazing to me, I would love to be able to understand all of this but there is SO much! I only have a few hours a day that I can sit and read all of this and my family laughs at me, oh well.
I hope it is ok for me to ask you to explain this possible scenario to me.
Thanks,
Jen :think:
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#5 Postby GulfHills » Mon Oct 03, 2005 3:08 am

Hi Jen.....welcome to storm2k. I started out not knowing a thing about hurricanes a couple years ago, until I found this great place. I still have to ask a lot of questions, but everyone here is kind and will help you to understand.
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#6 Postby Huckster » Mon Oct 03, 2005 5:56 am

Here's the latest from this early morning's AFD's in the LA-MS-AL region.

From Birmingham...

THE EASTERLY/TROPICAL WAVE ENTERING THE GULF TUESDAY NIGHT INTO
WEDNESDAY IS BEGINNING TO PERK OUR INTEREST HERE. MODELS HAVE BEEN
CONSISTENTLY BRINGING THIS DISTURBANCE INTO THE GULF...AND
ALTHOUGH PRECISE LOCATIONS AND INTENSITIES HAVE DIFFERED...HAVE
GOOD CONFIDENCE THAT WE WILL HAVE...AT MINIMUM...A TROPICAL
DEPRESSION TO DEAL WITH IN THE GULF BY MIDWEEK. THE TROPICS (GULF)
ARE A BIT BUSY RIGHT NOW...WITH STAN IN THE BAY OF CAMPECHE...AND
ANOTHER DISTURBANCE DEVELOPING IN THE GULF OF TEHUANTEPEC...AND
THE EXACT IMPLICATIONS OF ALL THESE STORMS INTERACTING IS
COMPLEX...TO SAY THE LEAST. BOTTOM LINE...WILL MENTION TROPICAL
ACTIVITY IN THE HWO. FOR NOW...BELIEVE THE STORM SHOULD STAY SOUTH
OF THE AREA FOR THE MOST PART.


Mobile...

.LONG TERM (TUESDAY THROUGH SUNDAY)...A FAIRLY COMPLICATED PATTERN
SETS UP DURING THE LOW TERM PERIOD. A TROUGH OF LOW PRESSURE
NORTHEAST OF THE BAHAMAS IS FORECAST TO MOVE WESTWARD TODAY AND
ACROSS SOUTH FLORIDA ON TUESDAY. THE POSSIBILITY EXISTS THAT A LOW
PRESSURE SYSTEM WILL FORM ALONG THIS FEATURE...SOMEWHERE OVER THE
CENTRAL OR EASTERN GULF BY THE MIDDLE OF THE WEEK...AS BOTH THE GFS
AND NAM PRESENTLY INDICATE. HARD TO SAY AT THIS TIME IF THIS WOULD
BE A PURELY TROPICAL FEATURE OR NOT. BUT ASSUMING THIS DEVELOPMENT
DOES OCCUR...I WOULD BET ON IT BEING MORE OF A LATE SEASON HYBRID
TYPE OF A DISTURBANCE...GIVEN THAT A LARGE RIDGE WITH A COOLER AND A
DEEP LAYER DRIER AIRMASS WILL BE IN PLACE JUST TO THE NORTH OF THE
SYSTEM. DEPENDING ON WHERE THIS SFC LOW DEVELOPS...AND HOW IT
INTERACTS WITH AN APPROACHING COLD FRONT FROM THE NORTHWEST LATE IN
THE WEEK...WILL DETERMINE ANY IMPACTS THIS WILL HAVE ON OUR LOCAL
FORECAST. THIS WEATHER FEATURE LOOKS TO BE MOSTLY OF CONCERN TO
MARINE INTERESTS AT THIS TIME. NONETHELESS...EXPECT INCREASED CLOUDS
AND POPS ACROSS MOST OF THE FORECAST AREA MID TO LATE WEEK AS
SQUEEZE PLAY BETWEEN FRONTAL BOUNDARY AND GULF SYSTEM BEGINS. IT
APPEARS THAT THE FRONT WILL MOVE OFFSHORE BY THE LATER PART OF THE
WEEKEND...MOST LIKELY LIFTING WHATEVER IT IS THAT DEVELOPS IN THE
GULF TOWARD THE NORTHEAST ACROSS CENTRAL AND NORTHERN FLORIDA ON
SUNDAY. AS THIS OCCURS...EXPECT POPS TO DECREASE FROM WEST TO EAST
ACROSS FCST AREA LATE SATURDAY THROUGH SUNDAY. TEMPERATURES LARGELY
UNCHANGED FROM PREVIOUS FCST PACKAGE.


Jackson...

THERE IS SOME CONCERN OVER THE EXTENDED ABOUT THE FORECAST OF THIS
POSSIBLE TROPICAL SYSTEM. ALL OF THE MDLS BRING IT SOUTH OF THE
MS/AL BORDER...SOME MDLS EVEN S OF LA...AND THEN THEY ALL TURN IT
STHWRD AND THEN TRY TO RECURVE IT TO THE SE AND THEN NE. THIS IS
HIGHLY UNUSUAL FOR A TROPICAL SYSTEM DURING THIS TIME OF THE YEAR.
WITH A DECENT TROUGH COMING DOWN AND A COLD FRONT TRYING TO PUSH
INTO THE AREA...THE MOST LIKELY SCENARIO WOULD BE FOR THIS SYSTEM TO
RECURVE NORTH AND THEN NE INSTEAD OF THIS COUNTER CLOCKWISE LOOP. IF
THAT OCCURS IT STILL APPEARS THAT THE MAIN EFFECTS IF ANY FROM THIS
SYSTEM WOULD STAY AWAY FROM MS UNLESS IT GETS A GOOD BIT
WEST...ATLEAST JUST SOUTH OF THE MOUTH OF THE MS RIVER. WILL KEEP A
CLOSE EYE ON THIS. /CAB/


New Orleans...

THE GRADIENT ACROSS THE GULF DOES NOT APPEAR TO WEAKEN PAST MON
WITH THE NWP MODELS SUGGESTING ANOTHER WAVE TO MOVE INTO THE EAST
CENTRAL GULF ON TUE. THIS FEATURE...IF IT DEVELOPS...IS THEN
PROGGED BY THE MODELS TO PUSH WESTWARD AS A COLD FRONT DROPS INTO
THE SOUTHERN PLAINS. THE FRONT LOOKS TO GET A GOOD SURGE FROM A
STRONG HIGH PRESSURE BUILDING ACROSS THE CENTRAL U.S. WHICH SHOULD
MOVE THE BOUNDARY INTO THE NORTHERN GULF. IF THIS SCENARIO PANS
OUT...THIS WOULD DEFLECT THE WAVE BACK TOWARD THE NORTHEAST AROUND
THE LATTER PART OF THE WEEK. THEREFORE...THE WINDS ACROSS THE GULF
WATERS DO NOT LOOK TO RELAX MUCH UNTIL THE WEEKEND PERIOD AND A
PERSISTENT EAST TO NORTHEAST FETCH WILL KEEP THE TIDE LEVELS ABOVE
NORMAL VALUES UNTIL THE FRONT CLEARS THE CWA/PWA.
&&
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#7 Postby wxman57 » Mon Oct 03, 2005 6:15 am

Looks like a non-tropical or a hybrid-type frontal low, to me. With such a strong cold front and lots of cool, dry air flowing into the central Gulf, it won't be tropical in nature. We see such lows form along cold fronts quite a bit in the fall and spring. Sometimes they can get quite strong - like the March 13, 1993 "storm of the century" that produced 100kt winds into the FL Peninsula and snow up in the panhandle.
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#8 Postby no advance » Mon Oct 03, 2005 6:38 am

New Canadian.???? Loopo in the gulfo.
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#9 Postby caneman » Mon Oct 03, 2005 6:40 am

wxman57 wrote:Looks like a non-tropical or a hybrid-type frontal low, to me. With such a strong cold front and lots of cool, dry air flowing into the central Gulf, it won't be tropical in nature. We see such lows form along cold fronts quite a bit in the fall and spring. Sometimes they can get quite strong - like the March 13, 1993 "storm of the century" that produced 100kt winds into the FL Peninsula and snow up in the panhandle.


Remember it well here in Tampa lets hope not so strong though.
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CHRISTY

#10 Postby CHRISTY » Mon Oct 03, 2005 6:42 am

for some reason this season this area near the bahamas we have 2 storms get better organized could this be the third one?
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#11 Postby tampawx » Mon Oct 03, 2005 9:13 am

caneman wrote:
wxman57 wrote:Looks like a non-tropical or a hybrid-type frontal low, to me. With such a strong cold front and lots of cool, dry air flowing into the central Gulf, it won't be tropical in nature. We see such lows form along cold fronts quite a bit in the fall and spring. Sometimes they can get quite strong - like the March 13, 1993 "storm of the century" that produced 100kt winds into the FL Peninsula and snow up in the panhandle.


Remember it well here in Tampa lets hope not so strong though.


Not only did it have 100kt winds but sent one heck of a storm surge along the west Florida coast.
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#12 Postby floridahurricaneguy » Mon Oct 03, 2005 10:39 am

Now those models dont show it affecting west coast florida, right? Having it go to texas. But :I thought cold front would have it hit FL West coast

Matt
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#13 Postby WhiteShirt » Mon Oct 03, 2005 5:32 pm

floridahurricaneguy wrote:Now those models dont show it affecting west coast florida, right? Having it go to texas. But :I thought cold front would have it hit FL West coast

Matt


Clue me in here, please. What's this about something coming into Texas? I'm still cleaning up after Rita. :eek:
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#14 Postby Rainband » Mon Oct 03, 2005 5:38 pm

WhiteShirt wrote:
floridahurricaneguy wrote:Now those models dont show it affecting west coast florida, right? Having it go to texas. But :I thought cold front would have it hit FL West coast

Matt


Clue me in here, please. What's this about something coming into Texas? I'm still cleaning up after Rita. :eek:
New spaghetti models show an east GOM threat. You should be ok :wink:
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#15 Postby WeatherEmperor » Mon Oct 03, 2005 5:39 pm

Rainband wrote:
WhiteShirt wrote:
floridahurricaneguy wrote:Now those models dont show it affecting west coast florida, right? Having it go to texas. But :I thought cold front would have it hit FL West coast

Matt


Clue me in here, please. What's this about something coming into Texas? I'm still cleaning up after Rita. :eek:
New spaghetti models show an east GOM threat. You should be ok :wink:


lemme see that spaghetti model please?

<RICKY>
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Rainband

#16 Postby Rainband » Mon Oct 03, 2005 5:44 pm

WeatherEmperor wrote:
Rainband wrote:
WhiteShirt wrote:
floridahurricaneguy wrote:Now those models dont show it affecting west coast florida, right? Having it go to texas. But :I thought cold front would have it hit FL West coast

Matt


Clue me in here, please. What's this about something coming into Texas? I'm still cleaning up after Rita. :eek:
New spaghetti models show an east GOM threat. You should be ok :wink:


lemme see that spaghetti model please?

<RICKY>
they were on ABC action news at 6pm :wink:
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#17 Postby WeatherEmperor » Mon Oct 03, 2005 5:46 pm

oh never mind.

<RICKY>
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