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Central & Eastern Pacific Thread


Windspeed
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4 hours ago, CurlyHeadBarrett said:

IMG_1266.png?ex=66c786fd&is=66c6357d&hm=

 

Moggity mog

 

Hurricane GILMA
As of 18:00 UTC Aug 21, 2024:
 

Location: 16.2°N 122.9°W
Maximum Winds: 90 kt  Gusts: N/A
Minimum Central Pressure: 972 mb
Environmental Pressure: N/A
Radius of Circulation: N/A
Radius of Maximum wind: 10 nm

That looks stronger than a Cat 1 as a matter of fact that looks better than Ernesto at any point of its lifetime.

 

I would estimate that as Cat 3 115-125 mph looks like it is moving off to the WNW and probably should peak now and within the next 10 hours as it moves into more stable air and SSTs.

Then you have the other invest heading towards Hawaii.  Pretty interesting being we are heading into or already are in La Nina.  Guess the waters are pretty toasty out there so that gets me to thinking what the hell phase are we in La Nina or El Nino or maybe it is more neutral conditions at this time. 

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59 minutes ago, Kevin Reilly said:

That looks stronger than a Cat 1

 

jfl she is now a c2:

2:00 PM PDT Wed Aug 21
Location: 16.3°N 123.2°W
Moving: WNW at 7 mph
Min pressure: 972 mb
Max sustained: 105 mph

59 minutes ago, Kevin Reilly said:

 

as a matter of fact that looks better than Ernesto at any point of its lifetime.

 

CAGED HARD AT THIS, JFL. Broooooootal for ernesto

59 minutes ago, Kevin Reilly said:

I would estimate that as Cat 3 115-125 mph looks like it is moving off to the WNW and probably should peak now and within the next 10 hours as it moves into more stable air and SSTs.

 

What do you think? C3 seems reasonable tbh

20242341440-20242342250-ABI-EP072024-GEO

59 minutes ago, Kevin Reilly said:

Then you have the other invest heading towards Hawaii.  Pretty interesting being we are heading into or already are in La Nina.  Guess the waters are pretty toasty out there so that gets me to thinking what the hell phase are we in La Nina or El Nino or maybe it is more neutral conditions at this time. 

 

I'm thinking it's neutral TBH

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16 minutes ago, CurlyHeadBarrett said:

jfl she is now a c2:

2:00 PM PDT Wed Aug 21
Location: 16.3°N 123.2°W
Moving: WNW at 7 mph
Min pressure: 972 mb
Max sustained: 105 mph

CAGED HARD AT THIS, JFL. Broooooootal for ernesto

What do you think? C3 seems reasonable tbh

20242341440-20242342250-ABI-EP072024-GEO

I'm thinking it's neutral TBH

Yea definitely makes it to Cat 3 before leveling off and yes neutral seems reasonable. 

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The disturbance that may threaten Hawaii would be approaching from a direction that typically is not conducive for strong hurricanes. However, currently, SSTs are marginally supportive SE of Hawaiʻi Island (the Big Island) if our hypothetical TC can get going and establish an inner core. The shallow 26-27°C layer might provide just enough thermal support for a minimal hurricane that maintains a steady rate of motion. A compact structure may also aid in intensity. Hopefully, any potential TC, regardless of TS or minimal 'cane, would remain far enough south to lessen impacts, perhaps only to provide some beneficial rains.2fa11d12856d75981cff32a512b6af85.gif

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Little change in intensity is expected in the next 12 to 18 hours, 
followed intensification Saturday and Sunday. Easterly winds aloft, 
which have inhibited outflow in all but the south and southwest 
quadrants, will relax tonight and Saturday as a weakness develops 
in the upper level ridge north of the cyclone. Sea surface 
temperatures will remain around 26-27C, which will be sufficient 
for intensification, possibly to hurricane strength, later in the 
weekend. By Monday, westerly vertical wind shear increases sharply, 
and some drier mid-level air appears to begin entraining into the 
system. This should result in steady weakening. The intensity 
forecast was changed little from the prior package and lies near 
the IVCN between the stronger dynamical guidance and the weaker 
statistical guidance.

Easterly mid-to-upper flow has kept the core of the Hone rather devoid of convection today. The CPHC is forecasting that flow to relax on Saturday, which should allow convection to rebuild around the core. At any rate, this is the reasoning behind Hone's delay in intensification, and it isn't forecast to approach hurricane strength until positioned south of the island chain, having already bypassed the Big Island. In the last few hours, a new burst of convection is trying to wrap upshear.

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1 hour ago, gallopinggertie said:

Hone is forecast to pass within about 50 miles of the Big Island as a 65 mph tropical storm. I think this is the closest brush Hawaii has had with a storm this strong since Iselle, which made landfall on the big island ten years ago. 

 

Bro wtf is up with that name

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Improvement in structure on IR and radar due to persistent convective bursting that has occurred since the last recon mission. We'll see if this translates to any deepening via the recon mission currently in progress. Should have a new VDM within the hour.
f1faa483e39d17a499467260da959090.gif05ec92f615f7999c836f2981cb5a17d1.gif

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If so, this might be the closest hurricane to pass by Hawaii since Iniki?
If officially upgraded, it will be, yes. With the current radar presentation and in situ recon data, CPHC may issue a special advisory, though they may wait on the NE pass to the reconfirm before releasing it.

Edit: Latest VDM:


939
URPN12 KNHC 250617
VORTEX DATA MESSAGE CP012024
A. 25/05:48:30Z
B. 18.10 deg N 154.76 deg W
C. 850 mb 1378 m
D. 991 mb
E. 235 deg 3 kt
F. OPEN SE
G. E09/24/20
H. 64 kt
I. 316 deg 14 nm 05:43:30Z
J. 055 deg 79 kt
K. 314 deg 16 nm 05:43:00Z
L. 43 kt
M. 135 deg 18 nm 05:54:00Z
N. 208 deg 51 kt
O. 135 deg 18 nm 05:54:00Z
P. 14 C / 1532 m
Q. 22 C / 1522 m
R. 17 C / NA
S. 12345 / 08
T. 0.02 / 2 nm
U. AF308 0701C HONE OB 04
MAX FL WIND 79 KT 314 / 16 NM 05:43:00Z
;
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NE quadrant was weaker than the previous NW pass. Interestingly, the NW quadrant of the eyewall had the most intense echoes. Not sure if this will be enough for any upgrade. Again, it's borderline. We'll see if they do a south to N for their final pass.
84e7eb9b43462709c7b99090a2884bc4.jpg

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Hone has clearly organized further overnight and now has a clearing eye with multiple CBs rotating around it. Radar is also telling. The hurricane appears to have intensified. It will be interesting to see how the flow over the Big Island affects and influences Hone's structure. The Lee side of Mauna Loa and Mauna Kea's massifs will most likely have some type of deformation on the core as the hurricane positions SW of the island. In fact, that may already be occurring as the eyewall appears pinched in the NW quadrant. Also, keep in mind that the radar beam is blocked to the SW to N due to Mauna Loa.
11f7a0bc54de8b87a2623871b0179660.gife33600068553cddb94aa849dc5edf578.jpg

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1 hour ago, Windspeed said:

Hone has clearly organized further overnight and now has a clearing eye with multiple CBs rotating around it. Radar is also telling. The hurricane appears to have intensified. It will be interesting to see how the flow over the Big Island affects and influences Hone's structure. The Lee side of Mauna Loa and Mauna Kea's massifs will most likely have some type of deformation on the core as the hurricane positions SW of the island. In fact, that may already be occurring as the eyewall appears pinched in the NW quadrant. Also, keep in mind that the radar beam is blocked to the SW to N due to Mauna Loa.
11f7a0bc54de8b87a2623871b0179660.gife33600068553cddb94aa849dc5edf578.jpg

 

Screenshot_2024-08-25-09-38-26-939.jpg

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