[Tropical] Hurricane Local Statement

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Tropical Storm Isaias Local Statement Advisory Number 10
National Weather Service Melbourne FL  AL092020
528 PM EDT Thu Jul 30 2020

This product covers East Central Florida

**TROPICAL STORM WATCHES NOW IN EFFECT FOR INDIAN RIVER, SAINT LUCIE AND
MARTIN COUNTIES**


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

* CHANGES TO WATCHES AND WARNINGS:
    - A Tropical Storm Watch has been issued for Indian River,
      Martin, and St. Lucie

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Watch is in effect for Indian River, Martin,
      and St. Lucie

* STORM INFORMATION:
    - About 880 miles southeast of Cape Canaveral FL or about 810
      miles southeast of Stuart FL
    - 19.5N 70.6W
    - Storm Intensity 60 mph
    - Movement Northwest or 310 degrees at 20 mph

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

Tropical Storm Isaias is near the northern coast of the Dominican
Republic late this afternoon and is forecast to move toward the
southern Bahamas on Friday and northwest Bahamas on Saturday. The
current forecast has the system increasing in strength to a hurricane
by Friday night and maintaining hurricane strength as it approaches
the east central Florida Atlantic waters late Saturday afternoon and
Saturday night.

A Tropical Storm Watch has been issued for the coastal counties of
Indian River, Saint Lucie and Martin counties for winds increasing to
tropical storm force as Isaias is forecast to move offshore of
the Treasure Coast Saturday night and offshore from Brevard county
late Saturday night and Sunday morning.

At this time and on the current forecast track, tropical storm
conditions are most likely across the coastal counties and barrier
islands this weekend. Any deviation of the forecast track to the west
could bring stronger winds inland with the potential for damaging wind
gusts along the barrier islands.

Rainbands around Isaias will arrive along the Treasure Coast Saturday
afternoon and move farther north along the coast Saturday night into
Sunday morning. Rainfall amounts may reach 3 to 5 inches across the
coastal counties, with the heaviest rainfall amounts across the
Treasure Coast. Rainfall across inland areas will be lower, from 1 to
3 inches expected. Heavy rain may cause minor flooding of low-lying
and poor drainage areas.

Long period swells from Isaias will move toward the surf zone on
Friday causing a high risk for strong rip currents. Conditions along
the immediate coast, including the beaches and surf zone, will
deteriorate further Saturday into Sunday. The surf is expected to
become increasingly rough with large breaking waves, and beach erosion
around the times of high tide Saturday and through the remainder of
the upcoming weekend.

Persons in east central Florida should monitor the latest forecasts
and statements from the National Hurricane Center, and your National
Weather Service office in Melbourne through this weekend.

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

* WIND:
Prepare for dangerous wind having possible significant impacts across
the Treasure Coast. Potential impacts in this area include:
    - Some damage to roofing and siding materials, along with damage
      to porches, awnings, carports, and sheds. A few buildings
      experiencing window, door, and garage door failures. Mobile
      homes damaged, especially if unanchored. Unsecured lightweight
      objects become dangerous projectiles.
    - Several large trees snapped or uprooted, but with greater
      numbers in places where trees are shallow rooted. Several
      fences and roadway signs blown over.
    - Some roads impassable from large debris, and more within urban
      or heavily wooded places. A few bridges, causeways, and access
      routes impassable.
    - Scattered power and communications outages, but more prevalent
      in areas with above ground lines.

* FLOODING RAIN:
Prepare for locally hazardous rainfall flooding having possible
limited impacts across coastal sections of 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, arroyos, 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.

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

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


* OTHER PREPAREDNESS INFORMATION:
Now is the time to check your emergency plan and emergency supplies
kit and take necessary actions to protect your family and secure your
home or business.

When making safety and preparedness decisions, do not focus on the
exact forecast track since hazards such as flooding rain, damaging
wind gusts, storm surge, and tornadoes extend well away from the
center of the storm.

Always heed the advice of local officials and comply with orders that
are issued. Do not needlessly jeopardize your life or the lives of
others.

When securing your property, outside preparations should be concluded
as soon as possible before conditions deteriorate. The onset of
strong gusty winds or flooding can cause certain preparedness
activities to become unsafe.

Closely monitor weather.gov, NOAA Weather Radio and local news
outlets for official storm information. Listen for possible changes
to the forecast.

* 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 1130 PM, or sooner if conditions
warrant.

$$

Volkmer
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