[Tropical] Hurricane Local Statement

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Tropical Storm Isaias Local Statement Advisory Number 29
National Weather Service Boston/Norton MA  AL092020
512 AM EDT Tue Aug 4 2020

This product covers Southern New England

** Tropical Storm Isaias To Impact Southern New England Later Today and
 Early Tonight **

Tuesday...

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for northern Connecticut,
      Massachusetts, and Rhode island.

* STORM INFORMATION:
    - About 530 miles southwest of Nantucket MA
    - 36.3N 77.5W
    - Storm Intensity 70 mph
    - Movement North-northeast or 20 degrees at 28 mph

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

Tropical Storm Isaias is expected to quickly track through southeast
New York and western New England this evening, before heading into
northern New England. Most of the storm's impacts will occur during
about a 6 hour period from late this afternoon through early tonight.

Strong southerly winds gusting to 40 to 60 mph may be capable of
downing some trees and power lines. There is also the possibility of
an isolated tornado, especially near the Connecticut River Valley.
Rainfall totals of 1 to 3 inches are expected, with the higher totals
closer to the Berkshires, where urban or small stream flooding may
occur. Rainfall totals will decrease farther east. Much of Rhode
Island and eastern Massachusetts should receive less than one inch of
rain.

Minor coastal flooding will affect south coastal Rhode Island and
Massachusetts during high tide early tonight, resulting in inundation
of 1 to 2 feet ground level, primarily affecting more vulnerable shore
roads and low lying areas.

Rough surf and an increased risk of dangerous rip currents will affect
south coastal beaches today and Wednesday.

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

* WIND:
Protect against dangerous wind having possible significant impacts
across southern New England. Potential impacts in this area include:
    - Several large trees snapped or uprooted.
    - Scattered power and communications outages.

* FLOODING RAIN:
Protect against rainfall flooding having possible significant impacts
across parts of western Massachusetts and northern Connecticut. Potential
impacts include:

   - Small streams, creeks, and ditches may overflow.
   - Rapid inundation of underpasses, low-lying spots, and poor
     drainage areas. Some streets and parking lots take on moving water
     as storm drains and retention ponds overflow. Driving conditions
     become hazardous.

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

* TORNADOES:
Protect against a tornado event having possible limited impacts across
Southern New England, especially near the Connecticut River Valley.
Potential impacts include:
    - A few places may experience tornado damage, along with power
      and communications disruptions.
    - Large tree tops and branches snapped off, shallow-rooted trees
      knocked over, and minor damage to roofs.

* SURGE:
Minor impacts are anticipated across south coastal Rhode Island and
Massachusetts, including the Narragansett Bay shoreline, around the
time of high tide tonight which occurs between 930 PM and 10 PM.
Inundation of 1 to 2 feet above ground level is possible.

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

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

* 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.

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.

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!

If a Tornado Warning is issued for your area, be ready to shelter
quickly, preferably away from windows and in an interior room not
prone to flooding. If driving, scan the roadside for quick shelter
options.

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

$$

JWD
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