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Major Hurricane Irma


NJwx85

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1 minute ago, StormChaser4Life said:

Again though the overall consensus is that the core stays north of Cuba. Gotta see what this trough in the east does this weekend and if it is strong enough to erode some of the ridge or if the ridge will hold its ground

Again, yes, but my point wasn't that it was headed for Cuba, it was to try to explain why the NHC had a track just north of Cuba. 

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4 minutes ago, Windspeed said:
12 minutes ago, Random Chaos said:
Concentric eyewalls on hurricane hunter radar:

 
 

That radar imagery does not show much of a moat at all between IEW and OEW. The IEW looks very intense with excellent structure. I am not so certain this couldn't just continue to intensify a little more or at least maintain intensity for quite a while. The diameter of the IEW may even have to shrink some before it begins to show signs of weakening.

Per recon, 20nm and 45nm concentric eyewalls:

000
URNT12 KWBC 052157
VORTEX DATA MESSAGE  AL112017
A. 05/21:38:37Z
B. 17 deg 04 min N
  059 deg 54 min W
C. 700 mb 2399 m
D. 144 kt
E. 119 deg 9 nm
F. 223 deg 145 kt
G. 123 deg 11 nm
H. 920 mb
I. 10 C / 3062 m
J. 21 C / 3069 m
K. 14 C / NA
L. CLOSED
M. CO20-45
N. 12345 / 7
O. 0.02 / 1 nm
P. NOAA2 1011A IRMA OB 05
MAX OUTBOUND FL WIND AND MAX FL WIND 151 KT 313 / 17 NM 21:42:58Z
CNTR DROPSONDE SFC WIND 325 / 10 KTS
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Per recon, 20nm and 45nm concentric eyewalls:

000URNT12 KWBC 052157VORTEX DATA MESSAGE  AL112017A. 05/21:38:37ZB. 17 deg 04 min N  059 deg 54 min WC. 700 mb 2399 mD. 144 ktE. 119 deg 9 nmF. 223 deg 145 ktG. 123 deg 11 nmH. 920 mbI. 10 C / 3062 mJ. 21 C / 3069 mK. 14 C / NAL. CLOSEDM. CO20-45N. 12345 / 7O. 0.02 / 1 nmP. NOAA2 1011A IRMA OB 05MAX OUTBOUND FL WIND AND MAX FL WIND 151 KT 313 / 17 NM 21:42:58ZCNTR DROPSONDE SFC WIND 325 / 10 KTS

Thanks. Just based on the structure and recon data, the IEW may be around a while or remain intense through the Leewards. Just really looking for anything that could bring down intensity before landfall in the short term. May take a while to evolve before affecting the core negatively.
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