[Tropical] Hurricane Local Statement

EMWIN Server emwin at nashvilleweather.net
Mon Aug 3 19:09:21 CDT 2020


WTUS82 KCHS 040009
HLSCHS
SCZ045-050-052-040815-

Hurricane Isaias Local Statement Intermediate Advisory Number 27A
National Weather Service Charleston SC  AL092020
809 PM EDT Mon Aug 3 2020

This product covers southeast South Carolina and southeast Georgia

**CONDITIONS WILL GRADUALLY IMPROVE THIS EVENING**

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Storm Surge Warning and Tropical Storm Warning have been
      cancelled for Coastal Colleton
    - The Tropical Storm Warning has been cancelled for Beaufort,
      Coastal Jasper, and Inland Jasper

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Inland Berkeley and
      Tidal Berkeley
    - A Storm Surge Warning and Tropical Storm Warning are in effect
      for Charleston

* STORM INFORMATION:
    - About 50 miles east of Charleston SC
    - 32.8N 79.0W
    - Storm Intensity 75 mph
    - Movement North-northeast or 15 degrees at 16 mph

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

Hurricane Isaias will move inland near the North Carolina and South
Carolina border later this evening. Conditions across coastal SC will
gradually improve this evening.

Tropical storm force winds, torrential rainfall, storm surge
inundation, rip currents, and high surf with significant beach erosion
will remain possible across eastern Charleston and Berkeley counties
through 10 pm.

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

* WIND:
Potential impacts from the main wind event are now unfolding across
eastern Charleston and Berkeley Counties. Remain well sheltered from dangerous
wind having possible significant impacts. If realized, these impacts 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.
    - Some roads impassable from large debris, and more within urban
      or heavily wooded places. A few bridges and access routes
      impassable.
    - Travel by vehicle or on foot increasingly difficult. Danger of
      death or injury from falling objects such as trees or electric
      wires outside.
    - Scattered power and communications outages, but more prevalent
      in areas with above ground lines, which could persist for hours
      or days.
    - Some poorly secured small craft could break loose from their
      moorings.

* SURGE:
Potential impacts from the main surge event are now unfolding across
eastern Charleston County. Remain well away from locally hazardous
surge having limited impacts. If realized, these impacts include:
    - Localized inundation of saltwater mainly along immediate
      shorelines and in low-lying spots farther inland near rivers
      and creeks.
    - Sections of near-shore roads and parking lots become overspread
      with surge water. Driving conditions hazardous in places where
      surge water covers the road.
    - Minor to moderate beach erosion. Heavy surf possibly breaching
      dunes, mainly in normally vulnerable locations. Strong rip
      currents.

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
eastern Charleston and Berkeley Counties. Remain well guarded against locally
hazardous flood waters having possible limited impacts.
If realized, these impacts include:
    - Localized rainfall flooding could prompt a few rescues.
    - Rivers and tributaries could quickly rise with swifter
      currents. Small streams, creeks, canals, and ditches could
      become swollen and overflow in spots.
    - Flood waters can enter a few structures, especially in normally
      vulnerable spots. Rapid ponding of water could occur 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.

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

* 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 Charleston SC around 12 AM EDT, or sooner if conditions
warrant.

$$
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