[Tropical] Hurricane Local Statement

[EMWIN Server]

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Hurricane Dorian Local Statement Advisory Number 50
National Weather Service Boston/Norton MA  AL052019
545 PM EDT Thu Sep 5 2019

This product covers Southern New England

**Tropical Storm Warning Now In Effect For Cape Cod and the Islands**


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

* CHANGES TO WATCHES AND WARNINGS:
    - The Tropical Storm Watch has been upgraded to a Tropical Storm
      Warning for Barnstable MA, Dukes MA, and Nantucket MA

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

* STORM INFORMATION:
    - About 730 miles southwest of Nantucket MA
    - 33.1N 78.5W
    - Storm Intensity 105 mph
    - Movement Northeast or 35 degrees at 10 mph

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

Hurricane Dorian is forecast to pass about 120 miles southeast of
Nantucket Saturday morning as it moves quickly northeastward and well
offshore by late Saturday afternoon. Strong winds, heavy rainfall and
high surf will be the main impacts, with the strongest wind and
heaviest rain occurring late Friday night through Saturday morning. A
Tropical Storm Warning has been issued for Cape Cod, Marthas Vineyard
and Nantucket.

Northeast winds of 30 to 40 mph are forecast to occur late Friday
night and Saturday morning over the outer Cape and Islands. Occasional
wind gusts to 60 mph are expected. Winds will diminish Saturday
afternoon. Total rainfall of 2 to 4 inches is possible with minor
urban poor drainage flooding. A storm surge of 2 to 2.5 feet is
possible during the Saturday morning high tide which may bring minor
coastal flooding to Nantucket Harbor.

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

* WIND:
Protect against dangerous wind having possible significant impacts
across the Cape and Islands. 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 southeast Massachusetts, especially near the coast.

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

* SURGE:
Little to no impacts are anticipated at this time across Southern New
England.

* FLOODING RAIN:
Protect against locally hazardous rainfall flooding having possible
limited impacts across the Cape and Islands. 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.

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

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

* EVACUATIONS:
Listen to local official for recommended preparedness actions

* 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.


* 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 Midnight, or sooner if conditions
warrant.

$$
Nash
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