[Tropical] Hurricane Local Statement

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WTUS82 KCHS 110345
HLSCHS
GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-111145-

Hurricane Irma Local Statement Advisory Number 48
National Weather Service Charleston SC  AL112017
1145 PM EDT Sun Sep 10 2017

This product covers southeast South Carolina and southeast Georgia

**SIGNIFICANT IMPACTS FROM HURRICANE IRMA EXPECTED ACROSS THE AREA
INTO TUESDAY**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None.

* CURRENT WATCHES AND WARNINGS:
    - A Storm Surge Warning, Tropical Storm Warning, and Hurricane
      Watch are in effect for Beaufort, Coastal Bryan, Coastal
      Chatham, Coastal Colleton, Coastal Jasper, Coastal Liberty,
      Coastal McIntosh, and Inland Chatham
    - A Storm Surge Warning and Tropical Storm Warning are in effect
      for Charleston and Tidal Berkeley
    - A Tropical Storm Warning is in effect for Allendale, Bulloch,
      Candler, Dorchester, Effingham, Evans, Hampton, Inland
      Berkeley, Inland Colleton, Jenkins, Long, Screven, and Tattnall
    - A Tropical Storm Warning and Hurricane Watch are in effect for
      Inland Bryan, Inland Jasper, Inland Liberty, and Inland McIntosh

* STORM INFORMATION:
    - About 380 miles south-southwest of Charleston SC or about 320
      miles south of Savannah GA
    - 27.5N 81.9W
    - Storm Intensity 100 mph
    - Movement North or 350 degrees at 14 mph

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

The center of Hurricane Irma will continue to move north across
Florida tonight and into central and western Georgia on Monday into
Tuesday. Irma is a large hurricane and will produce significant
impacts across southeast South Carolina and southeast Georgia. Life-
threatening inundation is expected along the coast around the time of
high tide Monday afternoon. Flash flooding will be possible, with the
highest chances occurring across southeast Georgia and the coastal
counties of southeast South Carolina tonight into Monday night.
Tropical storm-force winds will impact much of the region, and there
is a low probability for hurricane force wind gusts occurring along
the coast between Altamaha Sound and Edisto Beach. The risk for
tornadoes will increase tonight and continue into Monday evening.

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

* SURGE:
Protect against life-threatening surge having possible significant
impacts across low-lying coastal areas in north coastal Georgia and
southeast South Carolina. Potential impacts in this area include:
    - Areas of inundation of saltwater along immediate shorelines and
      in low-lying spots farther inland near rivers and creeks, with
      storm surge flooding accentuated by waves. Damage to several
      buildings, mainly near the coast.
    - Sections of near-shore escape routes and secondary roads become
      weakened or washed out, especially in normally vulnerable low
      spots.
    - Moderate to major beach erosion with heavy surf breaching
      dunes. Strong and numerous rip currents.
    - Minor to moderate damage to marinas, docks, boardwalks, and
      piers. Several small craft broken away from moorings,
      especially in unprotected anchorages. Some navigation aids
      possibly displaced well off station, creating difficult
      navigation near inlets and waterways.

* FLOODING RAIN:
Protect against life-threatening rainfall flooding having possible
extensive impacts across coastal areas and locations along and south
of I-16. Potential impacts include:
    - Major rainfall flooding could prompt many rescues.
    - Rivers and tributaries could rapidly overflow their banks in
      multiple locations. Small streams, creeks, canals, ditches may
      become dangerous rivers. Flood control systems and barriers
      could become stressed.
    - Flood waters could enter many structures within multiple
      communities; some structures become uninhabitable or are washed
      away. Flood waters could cover multiple 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.
    - Drinking water and sewer services could be negatively impacted.
    - Hazardous containers and materials could possibly be present in
      flood waters.

* WIND:
Protect against dangerous wind having possible significant impacts
across coastal areas and locations along and south of I-16. 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.
    - 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.

* TORNADOES:
Protect against a dangerous tornado event having possible significant
impacts across southeast Georgia and southeast South Carolina. Potential
impacts include:
    - Isolated to scattered tornadoes can hinder the execution of
      emergency plans.
    - Scattered locations could experience enhanced damage due to
      tornadoes with a few spots of considerable damage, power loss,
      and communications failures.
    - Scattered locations could realize roofs torn off frame houses,
      mobile homes demolished, boxcars overturned, large trees
      snapped or uprooted, vehicles tumbled, and small boats tossed
      about.


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

* EVACUATIONS:
Consider evacuating, especially if being officially recommended to do
so by local authorities. Relocate to a predetermined shelter or safe
destination.

* OTHER PREPAREDNESS INFORMATION:
Failure to adequately shelter may result in serious injury or loss of
life. Always heed the advice of local officials and comply with any
orders that are issued. Remember, during the storm 9 1 1 Emergency
Services may not be able to immediately respond if conditions are
unsafe. This should be a big factor in your decision making.

Keep cell phones well charged and handy. Also, cell phone chargers
for automobiles can be helpful after the storm. Locate your chargers
and keep them with your cell phone.

If relocating to a nearby shelter or to the home of a family member
or friend, drive with extra caution, especially on secondary roads.
Remember, many bridges and causeways will be closed once higher winds
arrive. Also, if you encounter water covering the road, seek an
alternate route. Always obey official road signs for closures and
detours.

If you are a visitor and still in the area, listen for the name of
the city or town in which you are staying within local news updates.
Be sure you know the name of the county or parish in which it
resides. Pay attention for instructions from local authorities.

Closely monitor NOAA weather radio or other local news outlets for
official storm information. Be ready to adapt to possible changes to
the forecast.

* 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 6 AM EDT, or sooner if conditions
warrant.

$$
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