[Tropical] Hurricane Local Statement

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Tropical Storm Isaias Local Statement Advisory Number 19
National Weather Service Jacksonville FL  AL092020
531 PM EDT Sat Aug 1 2020

This product covers Northeast Florida and Southeast Georgia

**ISAIAS WEAKENS TO A TROPICAL STORM BUT EXPECTED TO RE-STRENGTHEN TO A
HURRICANE OVERNIGHT WHILE IT APPROACHES THE SOUTHEAST COAST OF FLORIDA**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning and Storm Surge Watch are in effect
      for Coastal Flagler and Coastal St. Johns
    - A Tropical Storm Warning is in effect for Clay, Inland Flagler,
      Inland St. Johns, and Putnam
    - A Tropical Storm Watch is in effect for Coastal Camden, Coastal
      Duval, Coastal Glynn, Coastal Nassau, Inland Camden, Inland
      Duval, Inland Glynn, and Inland Nassau

* STORM INFORMATION:
    - About 400 miles south-southeast of Jacksonville FL or about 340
      miles south-southeast of Flagler Beach FL
    - 25.1N 78.7W
    - Storm Intensity 70 mph
    - Movement Northwest or 310 degrees at 10 mph

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

Tropical Storms Isaias continues on a northwest track west of Andros
Island in the Bahamas this afternoon, and a northwesterly motion is
forecast to continue through tonight as the hurricane approaches the
southeast Florida Atlantic coast. Isaias is expected to begin a northward
turn on Sunday, which will bring the hurricane near the northeast Florida
Atlantic coast Sunday night and Monday. Due to the close approach of
Isaias to the northeast Florida coast, a Tropical Storm Warning is
in effect for all of Flagler and St. Johns Counties, and for the area
along the St. Johns River in Putnam and Clay Counties. A Tropical
Storm Watch is in effect northward for Duval, Nassau, Camden and Glynn
Counties. Tropical storm conditions may reach the coast as early as
Sunday Evening and then continue through Monday, departing the area
Monday night. Gusts to hurricane force are not out of the question.

Isaias will also bring a threat of storm surge flooding with large
battering waves to the coast. Significant to severe beach erosion will
be likely for some of the area beaches. Increased coastal flooding
from storm surge may begin late Sunday and continue through Monday Night.

Life-threatening rip currents and building rough seas are expected
today through Monday and swimming is not recommended at area beaches.
Bands of rainfall with gusts near tropical storm force will be begin
to increase over the local Atlantic waters and portions of northeast
Florida late Sunday. Rainfall amounts of 1 to 3 inches is expected,
with localized heavy rainfall in excess of 4 inches possible.

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

* WIND:
Protect against dangerous wind having possible significant impacts across
Flagler and St. Johns Counties, and the rest of coastal northeast Florida
and southeast Georgia. 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.

Also, protect against hazardous wind having possible limited impacts
across Inland Camden, Inland Glynn, Inland Nassau, Inland Duval, Clay,
and Putnam Counties.

Elsewhere across Northeast Florida and Southeast Georgia, little to
no impact is anticipated.

* FLOODING RAIN:
Protect against locally hazardous rainfall flooding having possible
limited impacts across coastal areas of northeast Florida and southeast
Georgia. 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.

Elsewhere across Northeast Florida and Southeast Georgia, little to
no impact is anticipated.

* SURGE:
Protect against life-threatening surge having possible significant impacts
across coastal Flagler and coastal St. Johns Counties. 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 coastal southeast Georgia, coastal Nassau, coastal
Duval, and the St. Johns River Basin.

Elsewhere across Northeast Florida and Southeast Georgia, little to
no impact is anticipated.

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, leave with a destination in mind and allow extra time
to get there. Take your emergency supplies kit. Gas up your vehicle
ahead of time.


* 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.

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 Jacksonville FL around 1 AM EDT, or sooner if conditions
warrant.

$$
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