[Tropical] Hurricane Local Statement

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Hurricane Henri Local Statement Advisory Number 23
National Weather Service Mount Holly NJ  AL082021
1119 AM EDT Sat Aug 21 2021

This product covers NEW JERSEY...DELAWARE...SOUTHEASTERN PENNSYLVANIA AND NORTHEAST MARYLAND

**Henri Now a Hurricane**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Eastern Monmouth,
      Middlesex, and Western Monmouth

* STORM INFORMATION:
    - About 360 miles south-southeast of Atlantic City NJ or about
      360 miles south-southeast of Dover DE
    - 34.4N 72.5W
    - Storm Intensity 75 mph
    - Movement North-northeast or 20 degrees at 14 mph

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

Hurricane Henri is approximately 360 miles south southeast of Atlantic
City. Henri will track north northeastward along the Eastern Seaboard
through tonight. Henri is expected to make landfall on Long Island or
southern New England on Sunday.

The main threat with this system is very heavy rain leading to flash
flooding across much of the region. Tropical storm force winds are
possible in portions of E Central New Jersey. With a full moon this
weekend, minor coastal flooding is also expected, primarily with the
high tide this evening along the New Jersey Coast. Minor coastal
flooding may linger with the Sunday evening high tide.

Dangerous marine conditions will develop over the northern Atlantic
Waters with strong winds, rough seas, and dangerous rip currents. Seas
will build to six to ten feet. A high risk for rip currents is
expected to continue through at least Sunday for the New Jersey and
Delaware coasts.

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

* FLOODING RAIN:
Protect against life-threatening rainfall flooding having possible
extensive impacts across Central and northern New Jersey. Potential
impacts include:
    - Major rainfall flooding may prompt many evacuations and rescues.
    - Rivers and tributaries may rapidly overflow their banks in
      multiple places. Small streams, creeks, canals, and ditches may
      become dangerous rivers. In mountain areas, destructive runoff
      may run quickly down valleys while increasing susceptibility to
      rockslides and mudslides. Flood control systems and barriers may
      become stressed.
    - Flood waters can enter many structures within multiple
      communities, some structures becoming uninhabitable or washed
      away. Many places where flood waters may cover escape routes.
      Streets and parking lots become rivers of moving water with
      underpasses submerged. Driving conditions become dangerous.
      Many road and bridge closures with some weakened or washed out.

Protect against dangerous rainfall flooding having possible limited
to significant impacts across southern New Jersey, southeastern
Pennsylvania, and northern Delmarva.

* WIND:
Protect against dangerous wind having possible significant impacts
across East Central New Jersey. 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 other portions of New Jersey.

* SURGE:
Little to no impacts are anticipated at this time across New Jersey,
southeastern Pennsylvania, and northern Delmarva. However, minor
tidal flooding is expected with the high tide this evening along
portions of the New Jersey coast.

* TORNADOES:
Little to no impacts are anticipated at this time across New Jersey,
southeastern Pennsylvania, and northern Delmarva.

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

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.

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 or parish in which
it resides. Listen for these locations in local news updates. Pay
attention for instructions from local authorities.

Rapidly rising flood waters are deadly. If you are in a flood-prone
area, consider moving to higher ground. Never drive through a flooded
roadway. Remember, turn around don't drown! 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 Mount Holly NJ around 5 PM EDT, or sooner if conditions
warrant.

$$
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