[Tropical] Hurricane Local Statement

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Hurricane Irma Local Statement Advisory Number 48
National Weather Service Melbourne FL  AL112017
1214 AM EDT Mon Sep 11 2017

This product covers EAST CENTRAL FLORIDA

**EYEWALL OF HURRICANE IRMA PUSHING NORTH TOWARD LAKE COUNTY**

NEW INFORMATION
---------------

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Storm Surge Warning and Hurricane Warning are in effect for
      Coastal Volusia County, Indian River, Martin, Northern Brevard
      County, Southern Brevard County, and St. Lucie
    - A Hurricane Warning is in effect for Inland Volusia County,
      Northern Lake County, Okeechobee, Orange, Osceola, Seminole,
      and Southern Lake County

* STORM INFORMATION:
    - About 80 miles south-southwest of Orlando FL or about 100 miles
      southwest of Cocoa Beach FL
    - 27.5N 81.9W
    - Storm Intensity 100 mph
    - Movement North or 350 degrees at 14 mph

SITUATION OVERVIEW
------------------

The center of large and dangerous Hurricane Irma is moving northward
over western interior Florida. Irma's large wind field continues to
produce sustained winds near hurricane force with gusts 70 to 90 MPH
across the entire region, with gusts of 100 to 110 MPH in the eyewall,
which will be moving near or across Lake County and possibly far
western portions of Osceola, Seminole, and Orange Counties between 1 AM
and 3 AM.

Dangerous, and potentially life-threatening conditions are expected
overnight! Widespread extensive wind impacts will continue as damaging
wind gusts to hurricane force continue across all of east central
Florida. Reports are coming in of localized significant damage to
some structures in Brevard and Volusia Counties, possibly from
tornadoes.

Recent peak wind gusts include 77 MPH at the Cape Canaveral Air Force
Station, 75 MPH at Daytona Beach International Airport, 72 MPH at
Treasure Coast International Airport in Fort Pierce, 70 MPH at Orlando
Executive Airport, 65 MPH at Orlando International Airport, 63 MPH at
Deland, and 61 MPH at Leesburg Airport.

If you are in an area prone to flooding, be prepared for the
possibility of rapid rise in water level in areas that receive
additional rainfall, especially from Brevard and Osceola Counties
northward, where 2 to 4 inches of additional rain is expected, with
higher amounts in some areas. This will cause further rapid rises of
small streams, creeks, canals, and ditches as well as extensive
flooding of area roadways.

The threat for tropical rain band tornadoes remains high in Volusia
County, where a Tornado Watch continues until 200 AM EDT.

Residents and visitors to east central Florida are urged to remain in
safe shelter until conditions abate. Travel is not recommended and
persons should remain indoors if at all possible. DO NOT VENTURE
OUTSIDE!! DOING SO COULD RESULT IN SERIOUS INJURY OR DEATH FROM FLYING
DEBRIS!!

POTENTIAL IMPACTS
-----------------

* WIND:
Potential impacts from the main wind event are now unfolding across
the area. Remain well sheltered from life-threatening wind having
possible extensive impacts. These impacts include:
    - Considerable roof damage to sturdy buildings, with some having
      window, door, and garage door failures leading to structural
      damage. Mobile homes severely damaged, with some destroyed.
      Damage accentuated by airborne projectiles. Locations may be
      uninhabitable for weeks.
    - Widespread downing and uprooting of trees with fences and roadway
      signs blown over, especially due to saturated ground conditions.
    - Some roads impassable from large debris, and more within urban
      or heavily wooded places. Several bridges, causeways, and
      access routes impassable.
    - Large areas with power and communications outages.

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
east central Florida. Remain well guarded against life-threatening
flood waters having additional extensive impacts. If realized,
these impacts include:
    - Extensive rainfall flooding may prompt numerous evacuations and
      rescues.
    - Rivers and tributaries may overflow their banks
      in many places with deep moving water. Small streams, creeks,
      canals, and ditches may become fast moving rivers. Flood control
      systems and barriers may become stressed.
    - Flood waters can enter numerous structures within multiple
      communities, some structures becoming uninhabitable.
    - Driving conditions will become very dangerous as flood waters
      may cover escape routes in numerous places. Streets and parking
      lots become rivers of raging water with underpasses submerged.
      Numerous road and bridge closures may occur with some weakened
      or washed out.

* TORNADOES:
Potential impacts from tornadoes are still unfolding across EAST
CENTRAL FLORIDA. Remain well braced against a dangerous tornado event
having additional significant impacts. If realized, these impacts include:
    - The occurrence of tornadoes can hinder the execution
      of emergency plans during tropical events.
    - Several places may experience tornado damage with a few
      locations seeing considerable damage, power loss, and
      communications failures.
    - Locations could realize roofs torn off frame houses, mobile
      homes demolished, boxcars overturned, large trees snapped or
      uprooted, vehicles tumbled, and small boats tossed about.
      Dangerous projectiles can add to the toll.

* SURGE:
Prepare for locally hazardous surge having impacts from Flagler Beach
to Jupiter Inlet. These include:
    - Localized inundation with storm surge flooding mainly along
      immediate shorelines and in low-lying spots, or in areas
      farther inland near where higher surge waters move ashore.
    - Sections of near-shore roads and parking lots become overspread
      with surge water. Driving conditions dangerous in places where
      surge water covers the road.
    - Moderate beach erosion. Heavy surf also breaching dunes, mainly
      in usually vulnerable locations. Strong rip currents.
    - Minor to locally moderate damage to marinas, docks, boardwalks,
      piers, and other coastal structures.


PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------

* EVACUATIONS:
Do not return to evacuated areas until it is safe. Listen for
the all-clear signal from local authorities.


* OTHER PREPAREDNESS INFORMATION:
Remain inside and away from windows!! Be prepared to move to your safe
room if any warnings are issued!! Listen for updates and be ready in
case you lose electrical power. Keep a battery powered radio and
flashlight handy.

If you are prone to flooding or in an area under a storm surge
warning, be prepared for the possibility of a quick and dramatic rise
in water levels during the ongoing high tide.


* 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

NEXT UPDATE
-----------

The next local statement will be issued by the National Weather
Service in Melbourne FL around 3 AM EDT, or sooner if conditions
warrant.

$$

Cristaldi
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