[Tropical] Hurricane Local Statement

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Hurricane Dorian Local Statement Advisory Number 56
National Weather Service Boston/Norton MA  AL052019
542 AM EDT Sat Sep 7 2019

This product covers Southern New England

**TROPICAL STORM WARNINGS REMAIN IN EFFECT FOR CAPE COD AND THE
 ISLANDS**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Barnstable, Dukes, and
      Nantucket Counties in Massachusetts

* STORM INFORMATION:
    - About 150 miles southeast of Nantucket MA
    - 39.7N 68.1W
    - Storm Intensity 85 mph
    - Movement Northeast or 50 degrees at 25 mph

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

Hurricane Dorian has already made its closest approach to southeastern
New England and is now speeding northeastward toward Nova Scotia.
Strong wind gusts to 50 to 60 mph will persist this morning over Cape
Cod and the Islands with 30 to 50 mph gusts possible elsewhere along
the immediate coastline of Massachusetts and Rhode Island. As of 5 AM,
1 to 2 inches of rain had fallen on Cape Cod and the Islands. An
additional inch or two is possible this morning, which may cause some
localized poor drainage flooding.

Some minor coastal flooding is possible in Nantucket Harbor around the
time of high tide around 8 AM this morning. This will be especially
true if the surge can reach 2 feet. As of 5 AM, the surge was running
1.2 feet above the astronomical tide.

As the storm pulls farther away, winds will diminish and skies will
begin to clear from west to east this afternoon, although sunshine
could help mix down some briefly gusty winds late this afternoon.

Dangerously high seas and breaking waves will make it rough for
mariners and anyone near the beach. A High Surf Advisory is in effect
for the south coast through this afternoon and for the east coast
through tonight.


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

* WIND:
The strongest wind gusts were now unfolding across Cape Cod and the
Islands. Remain well sheltered from dangerous wind, which will still
have significant impacts this morning. These impacts include:
    - Trees and power lines falling
    - Scattered power and communications outages, but more prevalent in
      areas with above ground lines.
    - Potential for some damage to roofing and siding materials, along
      with damage to porches, awnings, carports, and sheds. Unsecured
      lightweight objects can become dangerous projectiles.
    - A few large trees could be snapped or uprooted and fences and
      roadway signs could be blown over.

Winds will be gusty this morning over the remainder of coastal
Massachusetts and Rhode Island, with some branches possibly downed.
However, across interior southern New England, little to no impact is
anticipated.

* SURGE:
Little to no impacts are anticipated at this time across Southern New
England. There is a chance that if the surge reached 2 feet, there
could be some minor coastal flooding in Nantucket Harbor around the
time of high tide near 8 AM this morning. However, as of 5 AM, the
surge was running about 1.2 feet.

* FLOODING RAIN:
One to two inches of rain has fallen on Cape Cod and the Islands
overnight. An additional inch or two is possible this morning there.
The impacts would include:
    - Localized flooding of poor drainage areas.
    - 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.
    - Rivers and tributaries may quickly rise with swifter currents.
      Small streams, creeks, and ditches may become swollen and
      overflow in spots.

Elsewhere across Southern New England, little to no impact is
anticipated.

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

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

* OTHER PREPAREDNESS INFORMATION:
Stay inside and away from windows. Listen for updates and be ready in
case you lose electrical power. Keep a battery-powered radio, charged
cell phone and flashlight handy.

Do not venture to the coast to take pictures. The surf is very high and
can be very dangerous.

* 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 Boston/Norton MA around 12 PM EDT, or sooner if conditions
warrant.

$$
Field
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