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2024 - tracking the tropics


mcglups
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1 hour ago, Damage In Tolland said:

Structure still intact and very strong. Less time over land now and more over GOM. Rapid intensification seems likely with perfect conditions 

I think Beryl strengthens quick once back over water.. not much from stopping it

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7 minutes ago, ineedsnow said:

I think Beryl could really get cranking once it gets in the Gulf  surge,  wind and rain in my opinion

Yeah, I’m not a tropics guy so I don’t know how much shear or dry air it will be coming up against as it moves Northwest.

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Just now, HIPPYVALLEY said:

Yeah, I’m not a tropics guy so I don’t know how much shear or dry air it will be coming up against as it moves Northwest.

not a ton of shear  .. there is some dry air but not sure it impacts much 

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Latest (5 PM) forecast has Beryl as a high-end Cat-1 at landfall, as it will take a number of hours for the circulation to regather.  If the easterly trend continues,
Beryl will have more hours of favorable conditions before landfall and could intensify, but I'd put its top end as a solid Cat-2.  (Hope I'm not too optimistic.)

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On 7/7/2024 at 2:15 AM, 40/70 Benchmark said:

Just gonna post my whole Final stab at this since there isn't much traffic at this hour....make sit easy for you guys to scan my dribble. Hopefully some compelling material.

 

 

Final Call for Hurricane Beryl's Monday AM Strike on Texas Coast

Confidence in Track & Even Intensity Increased

Current Status:

Currently as of 2:00 AM EDT, Tropical Storm Beryl is centered approximately 275 miles SE of Corpus Christ, Texas and has slowed slightly while veering more towards the NW at 13 MPH.
 
beryl.png
 
 
 Beryl remains rather disorganized with maximum sustained winds of 60 MPH and a minimum central pressure of 995 MB. However, it is important to note that this pressure is down from a peak of 1001 MB when the system exited the northern coast of the Yucatan early this morning, which means that some slow organization has been occurring during Saturday as anticipated. 

Track Forecast Rationale:

 The general forecast philosophy from First Call issued on Friday night is relatively unchanged, as the Eastern Mass Weather expectation that guidance was significantly too far to the southwest and would adjust significantly to the northeast with a faster recurve has proven correct. There is now a much stronger consensus on the future track of Beryl.
 
track.png

 

In fact, there has been such an aggressive move in the consensus that the Final Eastern Mass Weather forecast track will even need to be adjusted slightly further up the Texas Coast from a First Call in the vicinity of a south Padre Island, TX landfall. These are relatively minor cosmetic changes have to do with the degree of trough interaction in the grand scheme of things, but are of course crucial for those living along the Texas coast. In addition to a slightly faster recurve and turn to the north and eventually northeast, one potential ramification of Beryl's interaction with trough actually has more to do with its ultimate intensity at the time of landfall.
 
STERING%202.png

 
 

Intensity Forecast Rationale:

Despite a round of intensification late Thursday and Thursday evening, the Eastern Mass Weather expectation that Beryl would begin a more concerted round of weakening due to an increase in wind shear prior to landfall near Cozumel early Friday proved correct.
 
LF.png

 

And while the official landfall intensity reflected 110 MPH max sustained winds (975 MB minimum central pressure), the early returns from reports around the area is that they were likely even less. Beryl has since weakened to a tropical storm with 60 MPH sustained winds as anticipated and has only slowly reorganized during the day on Saturday, which was also part of the forecast due to a badly disrupted core. 
This is due to both a combination of decreasing southern shear around the western periphery of the departing ridge to the system's west.
 
SHEAR%201.png

 

And a drier air that continues being entrained into the redeveloping core of Beryl.
 
RH%201.png

 

However, as the system moves to the northwest and the ridge in the opposite direction, further away to the east, shear will continue to decrease. This will give way to light diffluent flow in the mid levels of the atmosphere in advance of the approaching trough that will begin to augment poleward outflow
 
SHEAR%202.png

 

Simultaneously, drier air will begin being worked out away from the rapidly evolving core as Sunday morning progresses.
 
RH%202.png

 

It is at this point that Beryl will also begin traversing even warmer sea surface temperatures by midday Sunday en route to the Texas coast.
 
SST.png

 

Although the speed of movement is in the process of slowing somewhat, it should be enough to promote a great deal of upwelling, especially considering that Beryl will not be a particularly intense cyclone. Regardless, TCHP is certainly supportive of at least a minimal hurricane on approach to the coast.
 
TCHP.png

 

Given what will evolve into a nearly ideal environment for intensification during the final 12-18 hours prior to landfall, Beryl should be a healthy and rapidly intensifying hurricane when it makes landfall around 6 AM on Monday morning.
 
RH%203.png

 

The only saving grace for Texas in terms of a potential major hurricane strike will be time.
 

Final Call:

While the official forecast landfall intensity is 95 MPH and reflective of a category one hurricane, it would not be at all suprising for damage to be consistent with a category two hurricane given that the system will be intensifying and perhaps rapidly so at landfall. This is because intensifying systems often more proficientlly mix higher winds gusts down to the surface.

 

FINAL%20CALL.png
 
 
 

First Call: 

Issued Thursday 7/4 @ 11 PM:
FIRST%20CALL.png

 

 

 

On 7/7/2024 at 2:16 AM, 40/70 Benchmark said:

Slight changes from Thursday night....I  adjusted locale slightly NE from S Padre Island to Matagorda and held intensity at 95 MPH.

 

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6 minutes ago, 40/70 Benchmark said:

Pretty satisfied with my call...I think being an hour too slow with landfall at Matagorda cost me that 15 MPH between forecast landfall intensity and actual.

Hurricane Beryl Well Forecast Overall

Landfall Locale Perfectly Predicted While Intensity Slightly Overestimated

The Eastern Mass Weather Final Call for Hurricane Beryl was for a landfall in Matagorda, TX at approximately 6 AM EDT Monday as a category one hurricane with maximum sustained winds of 95 MPH.
 
AVvXsEgXJ5S3PC0X4tOTGF39-wWkAo4SMeZvqKR-

Beryl made landfall in Matagorda, TX at 5 AM EDT as a category one hurricane with maximum sustained winds of 80 MPH and a minimum central pressure of 979 MB. 
 
AVvXsEjtbp8Wo1A8y4zV_R9NzLQ8QgUe_Uv03UWF
 

Obviously the forecast landfall location was perfect, as it made landfall at Matagorda one hour ahead of schedule. However, the landfall intensity left a bit to be desired, as it ended up being too aggressive at 95 MPH maximum sustained winds as opposed to the landfall intensity of 80 MPH. This is due to the fact that it simply did not have quite as much time to work the dry air out of the circulation as anticipated. Thus while the general forecast philosophy that Beryl would remain a minimal hurricane due to this environmental limitation was correct overall, the fact that it moved slightly faster than anticipated likely made the difference between the 80 and 95 MPH landfall intensity respectively since it had begun intensifying rapidly at landfall.

Timing is everything with a rapidly intensifying system-

 

Final Grade: A-

 

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1 hour ago, jbenedet said:

Little Lemon off the southeast coast.

10% probs at 5 days...

 

BUT this thing--whatever comes of it-- is headed to our region by this weekend... so we track...

 

two_atl_2d0.png

Might get some good moisture in the region. Time and shear are the biggest inhibitors of this one. It’s getting blasted to hell currently by shear. 

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3 hours ago, 40/70 Benchmark said:

Gonna need a few Hugo like systems to get back on track for that uber-ACE.

I'm still not sold on a huge ACE season.  Probably solidly AN, but too many variables can surface to dampen the necessary long-trackers.  Now watch a 25-day cane with zero landfalls traverse the Atlantic :stein:

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21 minutes ago, Torch Tiger said:

I'm still not sold on a huge ACE season.  Probably solidly AN, but too many variables can surface to dampen the necessary long-trackers.  Now watch a 25-day cane with zero landfalls traverse the Atlantic :stein:

Its always reasonable to question a historic outcome in any regard, except DM warmth.

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4 hours ago, 40/70 Benchmark said:

Gonna need a few Hugo like systems to get back on track for that uber-ACE.

One of the longest to retain power after landfall.  It went E-T, curved thru the OV then swept thru Maine west-to-east, flattening about 1,000 cords of nice residual stands at Bigelow, south from Flagstaff Lake.

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19 hours ago, Torch Tiger said:

I'm still not sold on a huge ACE season.  Probably solidly AN, but too many variables can surface to dampen the necessary long-trackers.  Now watch a 25-day cane with zero landfalls traverse the Atlantic :stein:

It’s coming. 

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