[Tropical] Hurricane Local Statement

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Hurricane Isaias Local Statement Advisory Number 15
National Weather Service Melbourne FL  AL092020
555 PM EDT Fri Jul 31 2020

This product covers East Central Florida

**HURRICANE WARNING NOW IN EFFECT FOR BREVARD, INDIAN RIVER, SAINT
LUCIE AND MARTIN COUNTIES**

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

* CHANGES TO WATCHES AND WARNINGS:
    - A Storm Surge Watch and Hurricane Watch have been issued for
      Coastal Volusia
    - The Hurricane Watch has been upgraded to a Hurricane Warning
      and a Storm Surge Watch have been issued for Northern Brevard
      and Southern Brevard
    - The Hurricane Watch and Tropical Storm Warning have been
      upgraded to a Hurricane Warning and a Storm Surge Watch have
      been issued for Indian River, Martin, and St. Lucie
    - A Tropical Storm Warning has been issued for Okeechobee,
      Orange, Osceola, and Seminole
    - A Tropical Storm Watch has been issued for Inland Volusia

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

* STORM INFORMATION:
    - About 500 miles southeast of Cape Canaveral FL or about 420
      miles southeast of Stuart FL
    - 22.6N 75.7W
    - Storm Intensity 75 mph
    - Movement Northwest or 305 degrees at 15 mph

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

Hurricane Isaias will move northwest toward Andros Island in the
Bahamas tonight and then continue to move northwest toward the
Treasure Coast into Saturday night. The system is currently forecast
to track along or very close to the Treasure coast through the
overnight hours Saturday night and close to Brevard county Sunday
morning as a category one hurricane. With the latest track and
intensity forecast, tropical storm conditions will reach the Treasure
Coast Saturday evening with hurricane conditions are expected along
the coast during the overnight hours Saturday. Tropical storm
conditions are expected to reach Brevard county after midnight
Saturday night with and hurricane conditions expected across Brevard
county on Sunday.

A Hurricane Warning is now in effect for the coastal counties of
Brevard, Indian River, Saint Lucie and Martin county. A Hurricane
Watch has been issued for coastal Volusia county. With the track of
Isaias now closer to the coast tropical storm conditions are expected
to spread into the inland portions of the interior counties of east
central Florida including Okeechobee, Osceola, Orange, Seminole and
inland portions of Volusia county Saturday night and Sunday from south
to north through the latter half of the weekend.

Rain bands with gusty squalls from Isaias will reach the Treasure
Coast late Saturday afternoon, increasing in coverage and intensity as
they spread north Saturday night through Sunday. Rainfall amounts may
reach 3 to 6 inches across the coastal counties, with the heaviest
totals expected over the Treasure Coast. Rainfall across inland areas
will be lower with 1 to 3 inches expected. Heavy rainfall may cause
flooding of urban and other poorly drained and low-lying areas.

A Storm Surge Watch is now in effect along the east central Florida
coast. There is the potential for life threatening storm surge along
portions of the immediate coast that are typically vulnerable to
elevated ocean levels or where dune erosion has occurred. Low land
flooding is also possible along the intracoastal waterways and in
vulnerable low lands near inlets and other low areas near the coast.

Long period swells from Isaias will will create a high risk for strong
and life threatening rip currents through this evening. The building
seas and surf will will also result in dangerously high seas of
20 feet or higher, and large breaking waves in excess of 7 feet. Beach
erosion is likely around the times of high tide throughout the
upcoming weekend. Boating and beach activity will become extremely
dangerous, so you will want to stay out of the water.

Now is the time to complete protective actions. Have a personal
hurricane plan of safety for yourself and family and follow
recommendations of county emergency management officials.

Persons in east central Florida should continue to monitor the latest
forecasts, statements and warnings from the National Hurricane Center,
and your National Weather Service office in Melbourne.

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

* WIND:
Protect against life-threatening wind having possible extensive
impacts across Treasure Coast. 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.
    - 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 across the remainder of east central Florida.

* FLOODING RAIN:
Protect against locally hazardous rainfall flooding having possible
limited impacts across East Central Florida. Potential impacts
include:
    - Localized rainfall flooding may prompt a few evacuations.
    - Rivers and tributaries may quickly rise with swifter currents.
      Small streams, creeks, canals, and ditches may become swollen
      and overflow in spots.
    - 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.

* SURGE:
Protect against locally hazardous surge having possible limited
impacts along the east central Florida coast and beaches. Potential
impacts in this area 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,
      and piers. A few small craft broken away from moorings.

Elsewhere across East Central Florida, little to no impact is
anticipated.

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

* EVACUATIONS:
Listen to local official for recommended preparedness actions, including
possible evacuation.

* 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.

If you are a visitor, be sure to know the name of the city or town in
which you are staying and the name of the county in which it resides.
Listen for these locations in local news updates. Pay attention for
instructions from local authorities.

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 Melbourne FL around 12 AM EDT, or sooner if conditions
warrant.

$$

Volkmer
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