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Azores #96L fails to complete transition into a Sub-Tropical Storm. Elsewhere, weak low pressure in Caribbean may linger into next week.
Days since last H. Landfall - US: Any 45 (Nate) , Major: 63 (Maria) Florida - Any: 73 (Irma) Major: 73 (Irma)
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Archives >> 2003 Storm Forum

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Ed DunhamAdministrator
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)


Reged: Sun
Posts: 2565
Loc: Melbourne, FL
Isabel Weather Reports
      #13139 - Wed Sep 17 2003 11:26 PM

Nothing really new to add regarding the storm except that it has taken on some extratropical characteristics. Yesterday Isabel entrained dry air which altered its structure. A true CDO has been missing for quite some time now. At 956mb, the central pressure is certainly low, but the windfield has expanded considerably. Additional intensification seems unlikely and even the current 90 knots seems generous - probably more like 80 or perhaps 85 at the surface. However the storm will remain strong until landfall - perhaps even after landfall because of its increasing extratropical nature. Anything that was once spinning at Cat V is going to take a long time to wind down.

Really no need for me to toss in any further analysis at this point in the game - now its time to observe and report - and the Storm Forum would be a great place to do it. If you are in the storm's zone of influence (and you still have power) let us know what you are experiencing at your location. If you have a barometer and/or an anemometer, so much the better, but if not, just estimate things like the wind, sea state, flooding in your area - and don't forget rainfall totals if you have a rain gage. These items make for interesting reading and allow us to share in your experience with the storm - and don't forget to attach photos if you have a digital camera. I'll be pretty liberal on the site for the next 24 hours or so in this Forum - just try to keep your comments 'above board' (pardon the pun) - and don't forget to copy down the url for the backup site from the Main Page News Article - if this site goes down you'll want to have it handy.

Also, don't forget the Disaster Forum if you have info regarding evacuations, highway conditions, shelters, etc. Although we seldom get to use some of these Forums, this is now the time. As a registered user, you can still provide a lot of useful information to others who visit here.

ED


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Ed DunhamAdministrator
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)


Reged: Sun
Posts: 2565
Loc: Melbourne, FL
Re: Isabel Weather Reports
      #13149 - Thu Sep 18 2003 06:43 AM

Weather observations for the landfall area can be found here:

North Carolina Weather Reports

ED


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LoisCane
Veteran Storm Chaser


Reged: Fri
Posts: 1236
Loc: South Florida
Re: Isabel Weather Reports
      #13168 - Thu Sep 18 2003 11:39 AM

thanks.. not very high winds.. want to see how strong the strongest sustained winds are with this storm.. think some revisions may be in store ...down the line

fun to watch tho..thanks for the site

--------------------
http://hurricaneharbor.blogspot.com/


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Ed DunhamAdministrator
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)


Reged: Sun
Posts: 2565
Loc: Melbourne, FL
Re: Isabel Weather Reports
      #13182 - Thu Sep 18 2003 10:08 PM

The highest that I recall seeing was the NHC report of 80mph with gusts to 105mph at Okracoke Island. Isabel passed just to the south of the island so it is reasonable to expect that the intensity was a minimal Cat II at landfall. Also, a dropsonde measurement near landfall recorded 83 knots at the surface (95mph) - but that would have been an instantaneous reading, not a one minute sustained wind.
ED


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HanKFranK
User


Reged: Mon
Posts: 1841
Loc: Graniteville, SC 33.56N 81.82W
Re: Isabel Weather Reports
      #13186 - Thu Sep 18 2003 11:28 PM

yet another case of fairy godmother weakening before landfall. ever seen a 956mb hurricane barely at cat 2 in terms of winds? the age of sissy hurricanes lives on. it's tough to get people to take them seriously when they always do this.. but then again, not so bad for those who have to experience them.
HF 0328z19september


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