ATL: MARIA - Post-Tropical - Discussion

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Hurrilurker
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Re: ATL: MARIA - Hurricane - Discussion

#1941 Postby Hurrilurker » Tue Sep 19, 2017 7:51 pm

Looks like Maria may be missing the forecast points to the north, that's bad news for St. Croix and bad news for San Juan, PR if it continues. Could be wobbles, we'll wee if it gets pushed west as forecast.
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Re: ATL: MARIA - Hurricane - Discussion

#1942 Postby Aric Dunn » Tue Sep 19, 2017 7:55 pm

now its wobbling back more westerly.
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Re: ATL: MARIA - Hurricane - Discussion

#1943 Postby RL3AO » Tue Sep 19, 2017 7:56 pm

Aric Dunn wrote:now its wobbling back more westerly.


It's very likely the inner eyewall rotating around the new one. Still could make a big difference for St Croix.
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Re: ATL: MARIA - Hurricane - Discussion

#1944 Postby 1900hurricane » Tue Sep 19, 2017 7:57 pm

Radar outer ring looks pretty complete now.
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Re: ATL: MARIA - Hurricane - Discussion

#1945 Postby GCANE » Tue Sep 19, 2017 7:58 pm

1900hurricane wrote:That warm band in the CDO is weird.



Very weird, 6.2um
SE explodes and NW dies.

Image
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Re: ATL: MARIA - Hurricane - Discussion

#1946 Postby Ken711 » Tue Sep 19, 2017 7:58 pm

RL3AO wrote:
Aric Dunn wrote:now its wobbling back more westerly.


It's very likely the inner eyewall rotating around the new one. Still could make a big difference for St Croix.


Looks to be tracking slightly south of NHC's track.
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Re: ATL: MARIA - Hurricane - Discussion

#1947 Postby Aric Dunn » Tue Sep 19, 2017 7:58 pm

RL3AO wrote:
Aric Dunn wrote:now its wobbling back more westerly.


It's very likely the inner eyewall rotating around the new one. Still could make a big difference for St Croix.


yeppers :)
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Re: ATL: MARIA - Hurricane - Discussion

#1948 Postby supercane4867 » Tue Sep 19, 2017 8:00 pm

GCANE wrote:
1900hurricane wrote:That warm band in the CDO is weird.



Very weird, 6.2um
SE explodes and NW dies.

https://i.imgur.com/UBcKV6c.png

Perhaps a sign for incoming EWRC.
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Re: ATL: MARIA - Hurricane - Discussion

#1949 Postby Exalt » Tue Sep 19, 2017 8:01 pm

GCANE wrote:
1900hurricane wrote:That warm band in the CDO is weird.



Very weird, 6.2um
SE explodes and NW dies.

Image


May just be a new band forming and it's becoming more compact due to a completing EWRC.
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Re: ATL: MARIA - Hurricane - Discussion

#1950 Postby sikkar » Tue Sep 19, 2017 8:01 pm

St. Croix cam, you can see surf crashing...
https://www.youtube.com/watch?v=3Q2CzQclKQc
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Re: ATL: MARIA - Hurricane - Discussion

#1951 Postby RL3AO » Tue Sep 19, 2017 8:01 pm

Ken711 wrote:
RL3AO wrote:
Aric Dunn wrote:now its wobbling back more westerly.


It's very likely the inner eyewall rotating around the new one. Still could make a big difference for St Croix.


Looks to be tracking slightly south of NHC's track.


I don't see that. Shouldn't be much of a parallax issue here.

Image
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Re: ATL: MARIA - Hurricane - Discussion

#1952 Postby Aric Dunn » Tue Sep 19, 2017 8:02 pm

MIght get just enough time to finish the ERC before landfall.. about 10 hours..
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Re: ATL: MARIA - Hurricane - Discussion

#1953 Postby sikkar » Tue Sep 19, 2017 8:03 pm

ZCZC MIATCUAT5 ALL
TTAA00 KNHC DDHHMM

Hurricane Maria Tropical Cyclone Update
NWS National Hurricane Center Miami FL AL152017
900 PM AST Tue Sep 19 2017

...900 PM AST POSITION AND INTENSITY UPDATE...
...EXTREMELY DANGEROUS CATEGORY 5 HURRICANE MARIA APPROACHING ST.
CROIX...

A wind gust to 72 mph (117 km/h) was recently reported in the
eastern portion of St. Croix in the U.S. Virgin Islands.


SUMMARY OF 900 PM AST...0100 UTC...INFORMATION
---------------------------------------------------
LOCATION...17.1N 64.4W
ABOUT 50 MI...80 KM SSE OF ST. CROIX
ABOUT 145 MI...230 KM SE OF SAN JUAN PUERTO RICO
MAXIMUM SUSTAINED WINDS...175 MPH...280 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...909 MB...26.84 INCHES

$$

Forecaster Blake

NNNN
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Re: ATL: MARIA - Hurricane - Discussion

#1954 Postby 1900hurricane » Tue Sep 19, 2017 8:06 pm

Aric Dunn wrote:MIght get just enough time to finish the ERC before landfall.. about 10 hours..

I'm skeptical for now. There's a pretty big difference between the eyewall radii, so the outer would probably have to contract quite a bit, which takes time. I've been surprised before though.
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Re: ATL: MARIA - Hurricane - Discussion

#1955 Postby Ken711 » Tue Sep 19, 2017 8:07 pm

RL3AO wrote:
Ken711 wrote:
RL3AO wrote:
It's very likely the inner eyewall rotating around the new one. Still could make a big difference for St Croix.


Looks to be tracking slightly south of NHC's track.


I don't see that. Shouldn't be much of a parallax issue here.

Image


Thanks
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Re: ATL: MARIA - Hurricane - Discussion

#1956 Postby CrazyC83 » Tue Sep 19, 2017 8:08 pm

1900hurricane wrote:
Aric Dunn wrote:MIght get just enough time to finish the ERC before landfall.. about 10 hours..

I'm skeptical for now. There's a pretty big difference between the eyewall radii, so the outer would probably have to contract quite a bit, which takes time. I've been surprised before though.


Irma never weakened at all during its first big ERC as a cat 5 - all it did was knock the pressure back some and enlarge it. Doing the same here brings it down to 890 or so.
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Re: ATL: MARIA - Hurricane - Discussion

#1957 Postby HDGator » Tue Sep 19, 2017 8:09 pm

Aric Dunn wrote:MIght get just enough time to finish the ERC before landfall.. about 10 hours..


On radar, the inner wall still appears solid. The outer wall is just starting to solidify and I'm seeing less spiral feeds into the inner eyewall and more of a definition between the two. But I'm not sure it's going to get anywhere before landfall and I've been watching it on Level 2/3 since came into PR radar range. My fear is that any further strengthening of the potential outer eyewall will just spread the windfield and damage. Not that this isn't going to be catastrophic in either case...

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Re: ATL: MARIA - Hurricane - Discussion

#1958 Postby Aric Dunn » Tue Sep 19, 2017 8:10 pm

CrazyC83 wrote:
1900hurricane wrote:
Aric Dunn wrote:MIght get just enough time to finish the ERC before landfall.. about 10 hours..

I'm skeptical for now. There's a pretty big difference between the eyewall radii, so the outer would probably have to contract quite a bit, which takes time. I've been surprised before though.


Irma never weakened at all during its first big ERC as a cat 5 - all it did was knock the pressure back some and enlarge it. Doing the same here brings it down to 890 or so.


the outer eye is pretty much closed now.. lets see if it begins to contract soon.. HArvey's happened in about 4 to 6 hours. IRMA's were even faster.
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Re: ATL: MARIA - Hurricane - Discussion

#1959 Postby pcolaman » Tue Sep 19, 2017 8:14 pm

Once the eye clears, gonna be a pretty large eye.
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Re: ATL: MARIA - Hurricane - Discussion

#1960 Postby abajan » Tue Sep 19, 2017 8:15 pm

So, after battering Puerto Rico and Turks and Caicos, Maria recurves out to sea, right? Or does she? Here's Mark Sudduth's take on the synoptic setup.

Time will tell.
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