[Tropical] Hurricane Local Statement

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Tropical Storm Cristobal Local Statement Advisory Number 26
National Weather Service New Orleans LA  AL032020
1048 PM CDT Sun Jun 7 2020

This product covers Southeast Louisiana and South Mississippi

...CRISTOBAL BEGINS TO WEAKEN AS IT MOVES OVER SOUTHEASTERN
LOUISIANA...

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Amite, Ascension,
      Assumption, East Baton Rouge, East Feliciana, Iberville,
      Jackson, Livingston, Lower Jefferson, Lower Lafourche, Lower
      Terrebonne, Northern Tangipahoa, Pearl River, Pike, Pointe
      Coupee, Southern Tangipahoa, St. Charles, St. Helena, St.
      James, St. John The Baptist, St. Tammany, Upper Jefferson,
      Upper Lafourche, Upper Plaquemines, Upper Terrebonne, Walthall,
      Washington, West Baton Rouge, West Feliciana, and Wilkinson
    - A Storm Surge Warning and Tropical Storm Warning are in effect
      for Hancock, Harrison, Lower Plaquemines, Lower St. Bernard,
      Orleans, and Upper St. Bernard

* STORM INFORMATION:
    - About 20 miles north of New Orleans LA or about 70 miles west
      of Gulfport MS
    - 30.3N 90.2W
    - Storm Intensity 45 mph
    - Movement North-northwest or 345 degrees at 10 mph

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

Tropical Storm Cristobal is forecast to continue moving farther
inland overnight into west-central Mississippi Monday morning. A
gradual weakening of winds will result as the system moves away from
the coast. A flooding rain threat continues tonight and Monday.

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

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
the area. Remain well guarded against
life-threatening flood waters having additional
devastating impacts. If realized, these impacts include:
    - Extreme rainfall flooding may prompt numerous evacuations and
      rescues.
    - Rivers and tributaries may overwhelmingly overflow their banks
      in many places with deep moving water. Small streams, creeks,
      canals, and ditches may become raging rivers. Flood control
      systems and barriers may become stressed.
    - Flood waters can enter numerous structures within multiple
      communities, some structures becoming uninhabitable or washed
      away. Numerous places where flood waters may cover escape
      routes. Streets and parking lots become rivers of raging water
      with underpasses submerged. Driving conditions become very
      dangerous. Numerous road and bridge closures with some weakened
      or washed out.

Potential impacts from the flooding rain are still unfolding across the
region. Remain well guarded against life-threatening flood waters having
additional significant to extensive impacts.

* WIND:
Potential impacts from the main wind event are now unfolding across
Southeast Louisiana and South Mississippi. Remain well sheltered from
hazardous wind having possible limited impacts. If
realized, these 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:
Potential impacts from the main surge event are now unfolding but
beginning to recede in most area east of the Mississippi River.
Remain well away from life-threatening surge having possible
significant impacts. If realized, these impacts 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.

Elsewhere across Southeast Louisiana and South Mississippi, little to
no impact is anticipated.

* TORNADOES:
Potential impacts from tornadoes are still unfolding across Southeast
Louisiana and South Mississippi. Remain well braced against a tornado
event having possible limited impacts. If
realized, these 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:
Do not enter evacuated areas until officials have given the all
clear to return.

* OTHER PREPAREDNESS INFORMATION:
Do not venture out tonight as some hazardous conditions may still
exist, especially water on roadways in some places.

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

The next local statement will be issued by the National Weather
Service in New Orleans LA around 530 AM CDT, or sooner if conditions
warrant.

$$

24/RR
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