[Tropical] Hurricane Local Statement

EMWIN Server emwin at nashvilleweather.net
Sat Aug 28 10:52:57 CDT 2021


WTUS84 KMOB 281552
HLSMOB
ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-290000-

Hurricane Ida Local Statement Advisory Number 9
National Weather Service Mobile AL  AL092021
1052 AM CDT Sat Aug 28 2021

This product covers portions of southwest Alabama...northwest Florida...south
central Alabama...and inland southeast Mississippi.

**IDA EXPECTED TO BEGIN RAPIDLY INTENSIFYING SOON**

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Tropical Storm Watch has been upgraded to a Tropical Storm
      Warning for Baldwin Central, Baldwin Coastal, Baldwin Inland,
      George, Greene, Mobile Central, Mobile Coastal, Mobile Inland,
      Perry, Stone, Washington, and Wayne

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning and Storm Surge Watch are in effect
      for Baldwin Central, Baldwin Coastal, Baldwin Inland, Mobile
      Central, Mobile Coastal, and Mobile Inland
    - A Tropical Storm Warning is in effect for George, Greene,
      Perry, Stone, Washington, and Wayne

* STORM INFORMATION:
    - About 420 miles south-southeast of Mobile AL or about 400 miles
      south of Pensacola FL
    - 24.8N 86.1W
    - Storm Intensity 85 mph
    - Movement Northwest or 315 degrees at 16 mph

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

At 10 AM CDT, Hurricane Ida was approaching the very warm central Gulf
of Mexico waters, moving northwest at 16 mph. This general motion
should continue until Ida reaches the northern Gulf coast on Sunday. On
the forecast track, the center of Ida will move over the central Gulf
of Mexico sometime this evening and continue to progress northwest,
making landfall along the northern Gulf coast Sunday evening.

Rapid strengthening is forecast today. Ida is expected to be an
extremely dangerous major hurricane when it approaches the northern
Gulf coast Sunday. Currently, hurricane-force winds extend outward up
to 30 miles from the center and tropical-storm-force winds extend
outward up to 125 miles. Ida is forecast to increase in size as it
approaches the coast with the area of tropical storm force winds likely
expanding further out to the east from the center before landfall.

Ida will likely bring rainfall amounts of 4 to 8 inches, with isolated
higher amounts of 12 or more inches, especially over southeast
Mississippi and coastal Alabama, Sunday into Monday and potentially
extending into Tuesday. This is likely to result in flash, urban, small
stream, and river flooding over portions of our area.

Depending on the exact track of Ida after landfall, tropical storm
force conditions, especially in frequent gusts, could occur over
interior southeast Mississippi and portions of southwest and coastal
Alabama.

Swells will begin reaching our portion of the Gulf Coast coast this
evening. 2 to 4 feet of coastal water rises above normally dry ground
are expected along the beaches, sounds, and the shoreline of Mobile
Bay. 1 to 3 feet of water rise is possible further east into the
western Florida Panhandle. Surf heights are expected to increase to be
between 8-12 feet tonight into Sunday. These swells are likely to cause
life-threatening surf, wave run up, and dangerous rip currents. Waves
and swells are likely to remain elevated into Monday and potentially
Tuesday as strong south to southwest winds persist over the marine
areas.

The tornado threat will also begin to increase on Sunday across
southeastern Mississippi, southwestern Alabama, and portions of the
western Florida Panhandle as the outer rainbands on the east and
northeast side of Ida move into and across the area. This tornado
threat will likely persist and expand across much of the region into
Sunday night and Monday.

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

* FLOODING RAIN:
Prepare for life-threatening rainfall flooding having possible
extensive impacts across southeast Mississippi as well as portions of
southwest Alabama and the western Florida Panhandle.
Potential impacts include:
    - Major rainfall flooding may prompt many evacuations and rescues.
    - Rivers and tributaries may rapidly overflow their banks in
      multiple places. Small streams, creeks, canals, and ditches may
      become dangerous rivers. Flood control systems and barriers may
      become stressed.
    - Flood waters can enter many structures within multiple
      communities, some structures becoming uninhabitable or washed
      away. Many places where flood waters may cover 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.

Prepare for dangerous rainfall flooding having possible limited to
significant impacts across the remainder of the local area.

* WIND:
Prepare for hazardous wind having possible limited impacts across
portions of inland southeast Mississippi, southwest Alabama, and the
western Florida Panhandle.
Potential impacts include:
    - Damage to porches, awnings, carports, sheds, and unanchored
      mobile homes. Unsecured lightweight objects blown about.
    - Many large tree limbs broken off. A few trees snapped or
      uprooted, but with greater numbers in places where trees are
      shallow rooted. Some fences and roadway signs blown over.
    - A few roads impassable from debris, particularly within urban
      or heavily wooded places. Hazardous driving conditions on
      bridges and other elevated roadways.
    - Scattered power and communications outages.

* SURGE:
Prepare for life-threatening surge having possible significant
impacts across coastal Alabama and adjoining Mobile Bay shoreline.
Potential impacts in this area include:
    - Areas of inundation 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 usually vulnerable low
      spots.
    - Major beach erosion with heavy surf breaching dunes. Strong and
      numerous rip currents.
    - Moderate damage to marinas, docks, boardwalks, and piers.
      Several small craft broken away from moorings, especially in
      unprotected anchorages.

Also, prepare for locally hazardous surge having possible limited
impacts across coastal sections of the western Florida Panhandle.

* TORNADOES:
Prepare for a tornado event having possible limited impacts across the
entire local area (southeast Mississippi, southwest and south-central
Alabama, and the western Florida Panhandle).
Potential impacts include:
    - The occurrence of isolated tornadoes can hinder the execution
      of emergency plans during tropical events.
    - A few places may experience tornado damage, along with power
      and communications disruptions.
    - Locations could realize roofs peeled off buildings, chimneys
      toppled, mobile homes pushed off foundations or overturned,
      large tree tops and branches snapped off, shallow-rooted trees
      knocked over, moving vehicles blown off roads, and small boats
      pulled from moorings.

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.

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. 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.

If you are a visitor, be sure to know the name of the city or town in
which you are staying and the name of the county or parish in which
it resides. Listen for these locations in local news updates. Pay
attention for instructions from local authorities.

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!

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 the latest detailed evacuation and shelter information...please
refer to your local emergency management agency at the phone number
or website listed below.
- Coastal Alabama:
- Baldwin County: 251-972-6807 or
www.baldwincountyal.gov/departments/EMA
- Mobile County: 251-460-8000 or www.mcema.net
- Northwest Florida:
- Escambia County: 850-471-6400 or bereadyescambia.com
- Santa Rosa County: 850-983-5360 www.santarosa.fl.gov/emergency
- Okaloosa County: 850-651-7150 or www.co.okaloosa.fl.us/ps/home
- For information on appropriate preparations see ready.gov
- For additional disaster preparedness information see redcross.org

NEXT UPDATE
-----------

The next local statement will be issued by the National Weather
Service in Mobile AL around 11 AM CDT, or sooner if conditions
warrant.

$$

CGAL
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