[Tropical] Hurricane Local Statement

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Hurricane Dorian Local Statement Advisory Number 37
National Weather Service Miami FL  AL052019
1116 AM EDT Mon Sep 2 2019

This product covers SOUTH FLORIDA

**HURRICANE DORIAN REMAINS A POWERFUL MAJOR HURRICANE OVER GRAND
BAHAMA**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning and Hurricane Watch are in effect for
      Metro Palm Beach
    - A Tropical Storm Warning is in effect for Inland Palm Beach
    - A Storm Surge Warning, Tropical Storm Warning, and Hurricane
      Watch are in effect for Coastal Palm Beach
    - A Tropical Storm Watch is in effect for Coastal Broward,
      Glades, and Metro Broward

* STORM INFORMATION:
    - About 110 miles east of West Palm Beach FL
    - 26.8N 78.3W
    - Storm Intensity 155 mph
    - Movement West or 280 degrees at 1 mph

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

Extremely dangerous Hurricane Dorian is over Grand Bahama this
morning. Dorian should move closer to the Florida east coast later
today into Tuesday. While the center of Dorian is forecast to remain
offshore of southeast Florida, periods of tropical storm force winds
are expected over Palm Beach County through Tuesday night, with the
greatest chances over the eastern portions of the county. Also, there
is still a risk of hurricane force winds in coastal and metro Palm
Beach County between tonight and Tuesday evening. A risk of tropical
storm force winds at least in frequent gusts also continues from
eastern Broward to Glades Counties as well as Lake Okeechobee, with
occasional tropical storm force wind gusts possible elsewhere across
South Florida particularly with any rain bands that were to impact the
area.

Regardless of the eventual track of Dorian, the prolonged period of
strong winds over the Atlantic coastal waters will cause very
hazardous seas, rough surf, coastal flooding, and major beach erosion
through the middle of the week.

The threat of life-threatening storm surge exists along the Palm Beach
County coast today through the middle of this week, where water levels
of 3 to 5 feet above ground level are expected somewhere for locations
north of Lake Worth particularly along the ocean front. South of Lake
Worth to Boca Raton, a 2 to 4 water level rise above ground level is
possible. These surge values are based on either the storm tracking a
little closer to the coast and/or due primarily to wave action along
the ocean front and king tides. Coastal sections of Broward County
could also experience a water level rise of 1 to 3 feet above ground
level while Miami-Dade County could experience 2 feet or less.
Therefore, coastal flooding is a concern particularly in vulnerable
locations along the southeast Florida coast through the middle of the
week.

Due to Dorian's close proximity to the Florida east coast, small
shifts in the track of the hurricane would bring substantial changes
in expected impacts. Residents and visitors in South Florida should
continue to monitor the progress of Hurricane Dorian until it has
departed the region. Proper preparations should be rushed to
completion in the watch and warning areas. Please follow the advice of
local officials, including any evacuation orders.

Tornadoes are also possible, particularly across eastern and southern
portions of South Florida through this afternoon.

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

* WIND:
Protect against life-threatening wind having possible extensive impacts
across metro and coastal Palm Beach County. Potential impacts in this
area 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.
    - Many large trees snapped or uprooted along with fences and
      roadway signs blown over.
    - 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.

Also, protect against dangerous wind having possible limited to
significant impacts over areas from Lake Okeechobee into metro and
coastal Broward County and possible limited impacts across the
remainder of South Florida.

* SURGE:
Protect against life-threatening surge having possible significant
impacts across coastal Palm Beach County. Potential impacts in this
area 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.

Also, protect against locally hazardous surge having possible
limited impacts across other portions of South Florida's Atlantic
coast.

* TORNADOES:
Protect against a tornado event having possible limited impacts across
South Florida. Potential impacts include:
    - The occurrence of isolated tornadoes can hinder the execution
      of emergency plans during tropical events.
    - A few places may experience tornado damage, along with power
      and communications disruptions.
    - Locations could realize roofs peeled off buildings, mobile
      homes pushed off foundations or overturned, large tree tops and
      branches snapped off, shallow-rooted trees knocked over, moving
      vehicles blown off roads, and small boats pulled from moorings.

* FLOODING RAIN:
Protect against locally hazardous rainfall flooding having possible
limited impacts across South Florida. Potential 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.

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

* EVACUATIONS:
Listen to local official for recommended preparedness actions,
including possible evacuation. If ordered to evacuate, do so
immediately.

For those not under evacuation orders, assess the risk from wind,
falling trees, and flooding at your location. If you decide to move,
relocate to a safer location nearby. If you do not relocate, help keep
roadways open for those under evacuation orders.

If evacuating, follow designated evacuation routes. Seek traffic
information on roadway signs, the radio, and from official sources.

* OTHER PREPAREDNESS INFORMATION:
Now is the time to complete all preparations to protect life and
property in accordance with your emergency plan. Ensure you are in a
safe location before the onset of strong winds or possible flooding.

Keep cell phones well charged. Cell phone chargers for automobiles
can be helpful, but be aware of your risk for deadly carbon monoxide
poisoning if your car is left idling in a garage or other poorly
ventilated area.

It is important to remain calm, informed, and focused during an
emergency. Be patient and helpful with those you encounter.

Storm surge is the leading killer associated with tropical storms and
hurricanes! Make sure you are in a safe area away from the surge
zone. Even if you are not in a surge-prone area, you could find
yourself cutoff by flood waters during and after the storm. Heed
evacuation orders issued by the local authorities.

If a Tornado Warning is issued for your area, be ready to shelter
quickly, preferably away from windows and in an interior room not
prone to flooding. If driving, scan the roadside for quick shelter
options.

If in a place that is vulnerable to high wind, such as near large
trees, a manufactured home, upper floors of a high-rise building, or
on a boat, consider moving to a safer shelter before the onset of
strong winds or flooding.

Closely monitor weather.gov, NOAA Weather radio or local news outlets
for official storm information. Be ready to adapt to possible changes
to the forecast. Ensure you have multiple ways to receive weather
warnings.

* 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 5 PM EDT, or sooner if conditions warrant.

$$

RAG/Santos
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