[Tropical] Hurricane Local Statement
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emwin at nashvilleweather.net
Sun Sep 10 02:34:18 CDT 2017
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Hurricane Irma Local Statement Intermediate Advisory Number 44A...UPDATED
National Weather Service Key West FL AL112017
333 AM EDT Sun Sep 10 2017
Updated storm information and situation overview
This product covers Florida Keys
**Severe Hurricane Irma is moving toward the Florida Keys, and may
bring potentially catastrophic impacts tonight and Sunday**
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- None
* CURRENT WATCHES AND WARNINGS:
- A Storm Surge Warning and Hurricane Warning are in effect for
Monroe Lower Keys, Monroe Middle Keys, and Monroe Upper Keys
* STORM INFORMATION:
- About 70 miles south-southeast of Key West FL or about 70 miles
south-southwest of Marathon FL or about 110 miles
south-southwest of Key Largo FL
- 23.7N 81.3W
- Storm Intensity 130 mph
- Movement Northwest or 310 degrees at 6 mph
SITUATION OVERVIEW
------------------
Everyone in the Florida Keys needs to remain indoors, stay safe and
hunker down in an interior room away from windows. Ensure you have
proper footwear. The worst is yet to come. The intense winds associated
with the eyewall is expected to arrive around 700 AM in the Lower
Keys.
Large and potentially catastrophic Hurricane Irma, located north of
the central coast of Cuba, is moving northwestward through the Straits
of Florida, and will cross the Lower Keys this morning. Regardless of
where Irma makes landfall, all significant hurricane impact threats are
likely for the entire Florida Keys.
Sustained tropical storm-force winds with gusts of 80 to 90 mph have
spread across the area. Sustained Hurricane Force winds are
imminent, and will persist through the morning. Hurricane force winds
will abate this afternoon.
A reasonable worst case scenario is for storm surge values of 5 to
10 feet above ground, with the highest values near and to the right
of the eye. Storm surge is likely already occurring, and will peak
around midday, and abate early Monday morning.
If conditions at your current shelter becomes life-threatening,
there are five shelters of last resort. They are located at Harvey
Government Center in Key West, Coral Shores High School, Marathon
High School, Sugarloaf School, and Key West High School.
No services will be available. The shelters of last resort will
remain open only until winds decrease below tropical storm-force.
They are not recovery shelters. Consult www.monroecountyEM.com at 1-
800-955-5504 for additional information.
POTENTIAL IMPACTS
-----------------
* SURGE:
Potential impacts from the main surge event are now unfolding across
the Florida Keys. Remain well away from life-threatening
surge having possible devastating impacts. If
realized, these impacts include:
- Widespread deep inundation, with storm surge flooding greatly
accentuated by powerful battering waves. Structural damage to
buildings, with many washing away. Damage greatly compounded
from considerable floating debris. Locations may be
uninhabitable for an extended period.
- Many large sections of highways, roads, and low-lying escape
routes washed out or severely flooded. Some causeways washed
out. Low elevation bridges damaged. Flood control systems and
barriers may become stressed.
- Extreme beach erosion. New shoreline cuts possible.
- Massive damage to marinas, docks, boardwalks, and piers.
Numerous small craft broken away from moorings with many lifted
onshore and stranded.
* WIND:
Potential impacts from the main wind event are now unfolding across
Florida Keys. Remain well sheltered from life-threatening wind having
possible devastating impacts. If realized, these
impacts include:
- Structural damage to sturdy buildings, some with complete roof
and wall failures. Complete destruction of mobile homes. Damage
greatly accentuated by large airborne projectiles. Locations
may be uninhabitable for weeks or months.
- Numerous large trees snapped or uprooted along with fences and
roadway signs blown over.
- Many roads impassable due to large debris. Many bridges,
causeways, and access routes impassable.
- Widespread power and communications outages. Major damage
possible to communication towers.
* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
Florida Keys. Remain well guarded against life-threatening flood
waters having possible devastating impacts. If
realized, these impacts include:
- Tremendous rainfall flooding may prompt many evacuations and
road closures. Rescues of special needs residents from ground
floor homes and of motorists may be necessary.
- Several locations may experience rainfall flooding at or near
historic levels. Widespread, rapid inundation covers both
primary and secondary roads.Damage to vehicles and ground floor
homes and businesses.
* TORNADOES:
Potential impacts from tornadoes are still unfolding across Florida
Keys. Remain well braced against a dangerous tornado event having
possible significant impacts. If realized, these
impacts include:
- The occurrence of scattered tornadoes can hinder the execution
of emergency plans during tropical events.
- Several places may experience tornado damage with a few spots
of considerable damage, power loss, and communications failures.
- Frame home roofs may be torn off, mobile homes demolished,
large trees snapped or uprooted, vehicles overturned, and small
boats tossed about. Dangerous projectiles can add to the damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------
* EVACUATIONS:
For those remaining in the Florida Keys, Monroe County has opened four
refuges of last resort. No services will be available. These shelters
will remain open until winds decrease below tropical storm-force. They
are not recovery shelters.
The refuges of last resort are: Coral Shores High School, Marathon High
School, Sugarloaf School, and Key West High School. Consult
www.monroecountyEM.com at 1-800-955-5504 for additional information.
The Snake Creek Drawbridge in Islamorada is locked down for the
duration of the storm.
The Port of Key West is closed.
* OTHER PREPAREDNESS INFORMATION:
Remain safely sheltered from the storm. Stay inside and away from
windows. Listen for updates and be ready in case you lose electrical
power. Locate your battery powered radio and flashlight from your
Emergency Supplies Kit. Keep these items close.
During the peak of the storm, keep your shoes on and rain gear handy.
Boots and tennis shoes offer the best foot protection if you become
unexpectedly exposed to the elements.
Do not venture outside while in the eye of a hurricane. Within the
eye, weather conditions may temporarily improve which can be
misleading. Once the eye passes, the wind will change direction and
return to dangerous speeds. Heavy rain will also return. Be smart and
remain safely hidden from the storm.
Do not be a thrill seeker or risk your life for senseless photos or
videos. Be wise and avoid becoming another statistic.
Be ready to move to the identified safe room if your home or shelter
begins to fail. Quickly move to an interior room on the lowest floor.
Put as many sturdy walls between you and the storm as you can.
Protect your head and body.
When major hurricanes make landfall, extreme winds bring a tremendous
threat to life and cause devastating to catastrophic damage. During
landfall, listen for extreme wind warnings which indicate the exact
timing and location of these incredible life-threatening winds. If an
extreme wind warning is issued for the Florida Keys, move to the
safest place within your home or shelter. Take the same life-saving
actions as if it were a violent tornado.
* ADDITIONAL SOURCES OF INFORMATION:
- For information on appropriate preparations see ready.gov
- For information on creating an emergency plan see getagameplan.org
- For additional disaster preparedness information see redcross.org
- For Florida Division of Emergency Management information, see
floridadisaster.org
- For Monroe County Emergency Management information, see
monroecountyem.com/index.aspx?NID=1
- For Monroe County evacuation information, see
monroecountyem.com/index.aspx?NID=255
- For information on shelters located outside of Monroe County, see
monroecountyem.com/index.aspx?nid=122
- For Monroe County shelter information, see
monroecountyem.com/index.aspx?nid=121
NEXT UPDATE
-----------
The next local statement will be issued by the National Weather
Service in Key West FL around 530 AM EDT, or sooner if conditions
warrant.
$$
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