[Tropical] Hurricane Local Statement

EMWIN Server emwin at nashvilleweather.net
Fri Aug 27 05:03:31 CDT 2021


WTUS84 KMOB 271003
HLSMOB
ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-271815-

Tropical Storm Ida Local Statement Advisory Number 4
National Weather Service Mobile AL  AL092021
503 AM CDT Fri Aug 27 2021

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

...TROPICAL STORM AND STORM SURGE WATCHES REMAIN IN EFFECT FOR THE
ALABAMA COAST AND PORTIONS OF SOUTHEAST MISSISSIPPI...

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

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

* STORM INFORMATION:
    - About 850 miles south-southeast of Mobile AL or about 810 miles
      south-southeast of Pensacola FL
    - 20.0N 81.4W
    - Storm Intensity 45 mph
    - Movement Northwest or 320 degrees at 15 mph

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

At 4 AM CDT, the center of Tropical Storm Ida was moving toward the northwest
near 15 mph and this general motion should continue over the next few days. On
this forecast track, the center of Ida will move over the southeastern and
central Gulf of Mexico Friday night and Saturday. The system is forecast to approach
the U.S. northern Gulf coast region on Sunday.

Maximum sustained winds are near 45 mph with higher gusts. Ida is forecast to
become a hurricane over the southeastern Gulf of Mexico in a day or two with
additional strengthening expected thereafter. Ida is forecast to be a major hurricane
when it approaches the northern Gulf coast.

Tropical Storm Ida is likely to bring rainfall amounts of 4 to 8 inches with isolated
higher amounts along the central Gulf Coast Sunday into Monday.  This is likely to
result in flash, urban, small stream, and river flooding to the central Gulf Coast.

Swells will begin reaching portions of the northern Gulf coast Saturday afternoon
or evening. These swells are likely to cause life-threatening surf, wave run up and
dangerous rip currents.

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

* FLOODING RAIN:
Prepare for dangerous rainfall flooding having possible significant
impacts across parts of southeast Mississippi, coastal Alabama and
portions of the western Florida panhandle. Potential impacts
include:
    - Moderate rainfall flooding may prompt several evacuations and
      rescues.
    - Rivers and tributaries may quickly become swollen with swifter
      currents and overspill their banks in a few places, especially
      in usually vulnerable spots. Small streams, creeks, canals, and
      ditches overflow.
    - Flood waters can enter some structures or weaken foundations.
      Several places may experience expanded areas of rapid
      inundation at 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. Some road and bridge closures.

Prepare for locally hazardous rainfall flooding having possible limited
impacts across interior southwest and south central Alabama.

* SURGE:
Prepare for life-threatening surge having possible significant
impacts across coastal Alabama and Mobile Bay. 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 the western Florida panhandle.

* WIND:
Prepare for dangerous wind having possible significant impacts across
portions of southeast Mississippi and coastal Alabama. 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. Several
      fences and roadway signs blown over.
    - Some roads impassable from large debris, and more within urban
      or heavily wooded places.
    - Scattered power and communications outages, but more prevalent
      in areas with above ground lines.

Also, prepare for hazardous wind having possible limited impacts
across interior southeast Mississippi, interior southwest and south
central Alabama and the western Florida panhandle.

* TORNADOES:
Prepare for a tornado event having possible limited impacts across
southeast Mississippi and southwest Alabama. 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.

Elsewhere across portions of the western Florida panhandle, south central
Alabama expect little to no impact.

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 check your emergency plan and emergency supplies
kit and take necessary actions to protect your family and secure your
home or business.

When making safety and preparedness decisions, do not focus on the
exact forecast track since hazards such as flooding rain, damaging
wind gusts, storm surge, and tornadoes extend well away from the
center of the storm.

If in a place that is vulnerable to high wind, such as near large
trees, a manufactured home, upper floors of a high-rise building, or
on a boat, plan to move to safe shelter.

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, in a valley, or near an already swollen river, plan to
move to safe shelter on higher ground.

If you are a visitor, know the name of the county in which
you are located and where it is relative to current watches and
warnings. If staying at a hotel, ask the management staff about their
onsite disaster plan. Listen for evacuation orders, especially
pertaining to area visitors.

Closely monitor weather.gov, NOAA Weather Radio and local news
outlets for official storm information. Listen for possible changes
to the forecast.

There is a threat from tornadoes with this storm. Have multiple ways
to receive Tornado Warnings. Be ready to shelter quickly.

* 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 10 AM CDT, or sooner if conditions
warrant.

$$
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