[Tropical] Hurricane Local Statement
EMWIN Server
emwin at nashvilleweather.net
Sun Sep 10 10:34:45 CDT 2017
WTUS82 KCHS 101534
HLSCHS
GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-102345-
Hurricane Irma Local Statement Advisory Number 46
National Weather Service Charleston SC AL112017
1134 AM 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 540 miles south of Charleston SC or about 490 miles south
of Savannah GA
- 25.0N 81.5W
- Storm Intensity 130 mph
- Movement North or 350 degrees at 9 mph
SITUATION OVERVIEW
------------------
The center of Hurricane Irma is expected to track well south and
west of the region through Tuesday. However, Irma is a large hurricane
and will produce impacts across our area. Life-threatening inundation
is expected along the coast from the Altamaha Sound to the Santee
River, especially on the sea islands around the time of the Monday
afternoon high tide. Flash flooding will be possible, especially along
the coast and southeast Georgia tonight into Monday night. Tropical
storm-force winds will occur across southeast Georgia and southeast
South Carolina, with a low probability for hurricane force wind gusts
along the coast between Altamaha Sound and Edisto Beach. Tornadoes
will also be possible tonight into Monday night.
POTENTIAL IMPACTS
-----------------
* SURGE:
Prepare for life-threatening surge having possible significant
impacts across low-lying coastal locations in southeast
South Carolina and north coastal Georgia. 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:
Prepare for life-threatening rainfall flooding having possible
extensive impacts along the coast and across southeast Georgia.
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.
Prepare for dangerous rainfall flooding having possible significant
impacts near the Altamaha River in southeast Georgia.
* WIND:
Prepare for dangerous wind having possible significant impacts across
southeast Georgia and southeast South Carolina. 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:
Prepare for 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:
Now is the time to check your emergency plan and take necessary
actions to secure your home or business. Deliberate efforts should be
underway to protect life and property. Ensure that your Emergency
Supplies Kit is stocked and ready.
When making safety and preparedness decisions, do not focus on the
exact forecast track as there are inherent forecast uncertainties
which must be taken into account.
If you live in a place that is particularly vulnerable to high wind,
such as a mobile home, an upper floor of a high rise building, or on
a boat, plan to move to safe shelter. Take enough supplies for you
and your family for several days.
If you live in a place particularly vulnerable to flooding, such as
near the ocean or a large inland lake, in a low lying or poor
drainage area, or near an already swollen river, plan to move to safe
shelter on higher ground
Always heed the advice of local officials and comply with any orders
that are issued. Do not needlessly jeopardize your life or the lives
of others.
Closely monitor NOAA weather radio or other local news outlets for
official storm information. Listen for 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 PM EDT, or sooner if conditions
warrant.
$$
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