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 > HURRICANE IRMA could be a Cat 5 !

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8.1 Van

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Posted: 09/05/17 07:51am Link  |  Quote  |  Print  |  Notify Moderator

BULLETIN
Hurricane Irma Advisory Number 27
NWS National Hurricane Center Miami FL AL112017
500 PM AST Tue Sep 05 2017

...POTENTIALLY CATASTROPHIC CATEGORY 5 HURRICANE IRMA NEARING THE
NORTHERN LEEWARD ISLANDS...
...WEATHER CONDITIONS WILL DETERIORATE OVER THE NORTHERN LEEWARD
ISLANDS SOON...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...17.1N 59.8W
ABOUT 130 MI...210 KM E OF ANTIGUA
ABOUT 135 MI...220 KM ESE OF BARBUDA
MAXIMUM SUSTAINED WINDS...185 MPH...295 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...926 MB...27.35 INCHES

Hurricane Irma reaches Category 5 strength as it rolls toward Florida

Update: Category 5 Hurricane #Irma moved into top 7 strongest all time in the Atlantic and gusts from the storm are currently reaching up to 220 mph. Over the next day, the storm is likely to get even stronger, the National Hurricane Center said !
[image]


Hurricane Irma's winds reach 185 mph, Gov. Scott calls up National Guard

Irma size comparison

Miami-Dade County Mayor said he could b........ ordering evacuations in zones A and B as early as tomorrow

Read more here: http://www.miamiherald.com/news/weather/hurricane/article171330777.html#storylink=cpy

* This post was last edited 09/05/17 03:47pm by 8.1 Van *   View edit history


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wa8yxm

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Posted: 09/05/17 04:19pm Link  |  Quote  |  Print  |  Notify Moderator

Last I saw possible impact with Flordia or Cuba and Cat SIX..

FOlks as the world warms. STORMS get bigger.


....................
There is no Category Six. (Mod)

* This post was edited 09/06/17 03:54pm by an administrator/moderator *


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Fizz

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Posted: 09/05/17 04:48pm Link  |  Quote  |  Print  |  Notify Moderator

Note...
Tropical storm Jose is mid Atlantic right behind Irma.

8.1 Van

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Posted: 09/05/17 06:16pm Link  |  Quote  |  Print  |  Notify Moderator

Atlantic Hurricane season peaks on September 10 , the same day Irma is forecast to hit Florida !
[image]
BULLETIN
Hurricane Irma Intermediate Advisory Number 27A
NWS National Hurricane Center Miami FL AL112017
800 PM AST Tue Sep 05 2017

...POTENTIALLY CATASTROPHIC CATEGORY 5 HURRICANE IRMA NEARING THE
NORTHERN LEEWARD ISLANDS...
...WEATHER CONDITIONS WILL DETERIORATE OVER THE NORTHERN LEEWARD
ISLANDS SOON...


SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...17.2N 60.5W
ABOUT 85 MI...140 KM E OF ANTIGUA
ABOUT 90 MI...145 KM ESE OF BARBUDA
MAXIMUM SUSTAINED WINDS...185 MPH...295 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...916 MB...27.05 INCHES

* This post was edited 09/05/17 06:23pm by 8.1 Van *

FloridaReLoaded

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Posted: 09/06/17 08:39am Link  |  Quote  |  Print  |  Notify Moderator

Looking like its shifting east, might miss Florida all together, praying it misses all of the USA. Jose is projected to turn and not be a threat to the mainland of the USA.

Hammerhead

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Posted: 09/06/17 09:25am Link  |  Quote  |  Print  |  Notify Moderator

If the eye goes north just off the Florida coast, won't that be worse as it can maintain strength over the water and keep flooding the east coast as the counter-clockwise circulation pushes the storm surge to the west?

8.1 Van

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Posted: 09/06/17 09:46am Link  |  Quote  |  Print  |  Notify Moderator

[image]
Spaghetti models as of Wednesday at 11 a.m

SAN JUAN PUERTO RICO radar 2:20PM AST

* This post was edited 09/06/17 12:30pm by 8.1 Van *

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Posted: 09/06/17 03:46pm Link  |  Quote  |  Print  |  Notify Moderator

wa8yxm wrote:

Last I saw possible impact with Flordia or Cuba and Cat SIX..


There is not a Cat Six, and no reason for one, because the Saffir-Simpson Hurricane Scale is designed to measure the potential damage of a hurricane to man-made structures. Robert Simpson stated that "...when you get up into winds in excess of 155 mph (249 km/h) you have enough damage if that extreme wind sustains itself for as much as six seconds on a building it's going to cause rupturing damages that are serious no matter how well it's engineered."

Robert Simpson was co-developer of the Saffir-Simpson Scale.


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8.1 Van

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Posted: 09/07/17 02:05pm Link  |  Quote  |  Print  |  Notify Moderator

[image]

Hammerhead

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Posted: 09/07/17 03:12pm Link  |  Quote  |  Print  |  Notify Moderator

There was someone on the NBC news last night saying they were not evacuating because their house had "hurricane proof" windows and doors. I've found info on the internet with windows that can stop a 2x4 anywhere from just 35 MPH up to 140 MPH or winds up to 200 MPH. Of course, some debris might have sharp and pointy edges that act different than a stud fired out of a cannon.

I guess we'll find out how good those windows really are the hard way.


Wanderlost wrote:

wa8yxm wrote:

Last I saw possible impact with Flordia or Cuba and Cat SIX..


There is not a Cat Six, and no reason for one, because the Saffir-Simpson Hurricane Scale is designed to measure the potential damage of a hurricane to man-made structures. Robert Simpson stated that "...when you get up into winds in excess of 155 mph (249 km/h) you have enough damage if that extreme wind sustains itself for as much as six seconds on a building it's going to cause rupturing damages that are serious no matter how well it's engineered."

Robert Simpson was co-developer of the Saffir-Simpson Scale.


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