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Hurricane Ernesto


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6 minutes ago, CurlyHeadBarrett said:

what makes you think this will me a miss?

For starters, it's a lot harder to get a storm to turn left.  Not to mention if it turns north before a certain degree,  70W for example. 

Also,  would appear that it's getting captured by the 200mb (jet stream) on the gfs and euro models fairly well.

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21 minutes ago, CurlyHeadBarrett said:

what makes you think this will me a miss?

Because every model is showing it being a miss. You're seeing what we're seeing, right? Wish casting won't make it turn the other way. 

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Both Beryl and Debby are examples this year of how much of an eternity away this is given the lack of a clear and clean recurve steering pattern. We should also not forget that no mainland US impacts ignores the very real risk to PR and USVI/Antilles. Or Atlantic Canada. 

We don’t have a center. We haven’t seen potential land interaction with the Antilles. We don’t know the orientation of EC trough or if it’ll even be there the way the models project post D6. We don’t know the amplitude of the Atlantic ridge post D6.

It’s ok to say this is worth watching. Doesn’t mean doom is coming. We could all do without the hyperbole. 

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49 minutes ago, cptcatz said:

Because every model is showing it being a miss. You're seeing what we're seeing, right? Wish casting won't make it turn the other way. 

GFS has been pretty consistent with where it’s putting the low off the Antilles. Think that’s where people should focus for now. It needs to get to a certain location for us to be in the crosshairs. Does seem like a shift east on the last few model runs though.

 

It’s probably nothing, but at least we have something to complain about.

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Long ways to go people, once cyclogenesis occurs we can actually glean some insight into land interaction near the Caribbean. The long term prospects on this system are still a crapshoot. Only insight I can feel confident in is that generally next week doesn't have a synoptic pattern that screams quick recurve due to the possibility of a weak trough over the E US and weaker westerlies (given climatology). Of course these chess pieces are being modeled in fantasy land, ride with the ensembles for now. 

I think Webb had a great explanation on this.

 

 

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Other 12Z:

ICON: TC PR on 8/14, recurves 69W, heading NE S of Berm at 180

CMC: misses Caribb, recurves 64W, no land hit

Euro: TS E PR, recurve 67W, just SE of Berm. as cat 2, goes SE of Canada

UK: recurve 69W; turns NW at 28N 

NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 108 HOURS
FORECAST POSITION AT T+108 : 20.8N 68.7W

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
0000UTC 15.08.2024 108 20.8N 68.7W 1009 32
1200UTC 15.08.2024 120 24.0N 68.7W 1008 40
0000UTC 16.08.2024 132 25.4N 68.4W 1005 48
1200UTC 16.08.2024 144 26.7N 67.5W 1003 44
0000UTC 17.08.2024 156 28.0N 67.2W 1001 44
1200UTC 17.08.2024 168 28.7N 67.9W 1001 41

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If sustained convection can tighten the broad circulation, 98L shouldn't be long for classification. Note the strong, westerly motion within the low-level cloud flow on visible in the southern half of the disturbance. Low pressure is defined, and the wave axis has folded. If the system can tighten up a bit, it may outperform prior to the Antilles. There is a notable diffluent pattern aloft for a TC in this setup on the approach to the Leewards that would support an intensifying hurricane. Hopefully, it takes time for the broad circulation to tighten.
062bb7040a6513724a2f301fcb01de71.gif
Good post on the aforementioned setup here:

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Anyone having issues with this website loading weird on mobile devices sometimes? Right now I have to zoom really far out to see notifications etc.. not sure what it might be..

 

Only happening on this page right now

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1 hour ago, Windspeed said:

If sustained convection can tighten the broad circulation, 98L shouldn't be long for classification. Note the strong, westerly motion within the low-level cloud flow on visible in the southern half of the disturbance. Low pressure is defined, and the wave axis has folded. If the system can tighten up a bit, it may outperform prior to the Antilles. There is a notable diffluent pattern aloft for a TC in this setup on the approach to the Leewards that would support an intensifying hurricane. Hopefully, it takes time for the broad circulation to tighten.
062bb7040a6513724a2f301fcb01de71.gif
Good post on the aforementioned setup here:

It looked to me this morning that shear was impacting the convection some, but I agree this is looking pretty solid right now. 

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6 minutes ago, StantonParkHoya said:

It’s not at mid latitude. Maybe closer to SE Canada.

Still, the loop that he posted only shows short term range not long term...

 

And that poster person quoted lives in Florida so I'm sure his first priority would be the south east area first. Lol

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11 minutes ago, wthrmn654 said:

Still, the loop that he posted only shows short term range not long term...

 

And that poster person quoted lives in Florida so I'm sure his first priority would be the south east area first. Lol

 
1. Near the Lesser and Greater Antilles (AL98):
Shower and thunderstorm activity is showing some signs of 
organization in association with a tropical wave located roughly 
midway between the Cabo Verde Islands and the Lesser Antilles. 
Environmental conditions appear conducive for gradual development of 
this system during the next few days while it moves westward to 
west-northwestward at 15 to 20 mph across the central tropical 
Atlantic. A tropical depression is likely to form by the early to 
middle part of next week while the system approaches and then moves 
near or over the Lesser Antilles, and interests there should monitor 
the progress of this system. Then, the system is forecast to move 
generally west-northwestward and could approach portions of the 
Greater Antilles by the middle to latter part of next week.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 7 days...high...90 percent.
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