[Tropical] Hurricane Local Statement

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Hurricane Irma Local Statement Advisory Number 49
National Weather Service Miami FL  AL112017
538 AM EDT Mon Sep 11 2017

This product covers SOUTH FLORIDA

**WEAKENING IRMA MOVING FARTHER AWAY FROM SOUTH FLORIDA**

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Tropical Storm Warning has been cancelled for Coastal
      Broward, Coastal Collier, Coastal Palm Beach, Glades, Hendry,
      Inland Broward, Inland Collier, Inland Miami-Dade, Inland Palm
      Beach, Mainland Monroe, Metro Broward, Metro Miami-Dade, and
      Metro Palm Beach
    - The Storm Surge Warning and Tropical Storm Warning have been
      cancelled for Coastal Miami-Dade and Far South Miami-Dade

* CURRENT WATCHES AND WARNINGS:
    - A Storm Surge Warning is in effect for Coastal Collier and
      Mainland Monroe

* STORM INFORMATION:
    - About 260 miles north-northwest of Miami FL or about 200 miles
      north-northwest of Naples FL
    - 28.9N 82.6W
    - Storm Intensity 75 mph
    - Movement North-northwest or 340 degrees at 18 mph

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

Hurricane Irma is beginning to move faster northward across North-Central
Florida. Tropical Storm force winds are still expected over Lake Okeechobee
this morning.

Significant storm surge threat (2 to 4 feet) remains along the Gulf
coast, including the Naples area. Flooding rain is still possible
today in localized areas.

Interests in South Florida need to continue remaining vigilant and not
let their guard down as the storm passes. Additional flooding are still
possible. Stay away from evacuated area and off the roads until it is
safe to move around.

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

* SURGE:
Potential impacts from the main surge event are continuing along
the Gulf Coast. Remain well away from life-threatening surge having
additional significant impacts. If realized, these impacts include:
    - Areas of inundation with storm surge flooding accentuated by
      waves. Damage to several buildings, mainly near the coast.
    - Sections of near-shore escape routes and secondary roads become
      weakened or washed out, especially in usually vulnerable low
      spots.
    - Major beach erosion with heavy surf breaching dunes. Strong and
      numerous rip currents.
    - Moderate damage to marinas, docks, boardwalks, and piers.
      Several small craft broken away from moorings, especially in
      unprotected anchorages.

Elsewhere across South Florida, little to no impact is anticipated.

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
South Florida. Remain well guarded against locally hazardous flood
waters having |additional limited impacts. If realized, these impacts
include:
    - Localized rainfall flooding may prompt a few evacuations.
    - Ditches and canals may quickly rise with swift currents.
    - Flood waters can enter a few structures, especially in usually
      vulnerable spots. A few places where rapid ponding of water
      occurs at underpasses, low-lying spots, and poor drainage
      areas. Several storm drains and retention ponds become
      near-full and begin to overflow. Some brief road and bridge
      closures.

* WIND:
Little to no additional impacts are anticipated at this time
across South Florida.

* TORNADOES:
Little to no additional impacts are anticipated at this time
across South Florida.

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

* EVACUATIONS:
Do not return to evacuated areas until
hazardous winds diminish and flood waters abate.

* 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 Miami FL around 12 PM EDT, or sooner if conditions warrant.

$$
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