[Tropical] Hurricane Local Statement

[EMWIN Server]

WTCA82 TJSJ 290314
HLSSJU
PRZ001>013-VIZ001-002-291115-

Potential Tropical Cyclone Nine Local Statement Advisory Number 3
National Weather Service San Juan PR  AL092020
1114 PM AST Tue Jul 28 2020

This product covers Puerto Rico and the US Virgin Islands

**TROPICAL STORM WARNING REMAINS IN EFFECT**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Central Interior,
      Culebra, Eastern Interior, Mayaguez and Vicinity, North
      Central, Northeast, Northwest, Ponce and Vicinity, San Juan and
      Vicinity, Southeast, Southwest, St Croix, St.Thomas...St.
      John...and Adjacent Islands, Vieques, and Western Interior

* STORM INFORMATION:
    - About 510 miles east-southeast of San Juan PR or about 420
      miles east-southeast of Saint Croix VI
    - 14.6N 59.4W
    - Storm Intensity 40 mph
    - Movement West-northwest or 295 degrees at 25 mph

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

The official track has been shifted slightly south with similar
intensity forecast, but little change in impacts is anticipated. A
Tropical Storm Warning is in effect for Puerto Rico and the U.S. Virgin
Islands. Strong convection is now only 325 miles away. The disturbance
is expected to strengthen into a tropical storm tonight or Wednesday.
This system is expected to bring flooding rains across Puerto Rico and
the U.S. Virgin Islands, and generate possible life threatening flash
flooding and mudslides, as well as river flooding, particularly across
mainland Puerto Rico. Weather, marine and coastal conditions are
expected to deteriorate starting on Wednesday afternoon with inclement
weather continuing through Thursday.

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

* FLOODING RAIN:
Protect against life-threatening rainfall flooding having possible
extensive impacts across Puerto Rico and the U.S. Virgin Islands.
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, arroyos, and
      ditches may become dangerous rivers. In mountain areas,
      destructive runoff may run quickly down valleys while
      increasing susceptibility to rockslides and mudslides. 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.

Protect against dangerous rainfall flooding having possible limited
to significant impacts across Puerto Rico and the U.S. Virgin Islands.

* WIND:
Protect against hazardous wind having possible limited impacts across
Puerto Rico and the US Virgin Islands. 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:
Protect against locally hazardous surge having possible limited impacts
across Puerto Rico and the U.S. Virgin Islands. Potential impacts in
this area include:
    - Localized inundation with storm surge flooding mainly along
      immediate shorelines and in low-lying spots, or in areas
      farther inland near where higher surge waters move ashore.
    - Sections of near-shore roads and parking lots become overspread
      with surge water. Driving conditions dangerous in places where
      surge water covers the road.
    - Moderate beach erosion. Heavy surf also breaching dunes, mainly
      in usually vulnerable locations. Strong rip currents.
    - Minor to locally moderate damage to marinas, docks, boardwalks,
      and piers. A few small craft broken away from moorings.

* TORNADOES:
Protect against a tornado event having possible limited impacts
across Puerto Rico and the US Virgin Islands. 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:
If evacuating the area, stick to prescribed evacuation routes. If you
are exceptionally vulnerable to wind or water hazards from tropical
systems, consider voluntary evacuation, especially if being officially
recommended. Relocate to a predetermined shelter or safe destination.

* OTHER PREPAREDNESS INFORMATION:
Now is the time to bring to completion all preparations to protect
life and property in accordance with your emergency plan.

Outside preparations should be wrapped up as soon as possible before
weather conditions completely deteriorate. Any remaining evacuations
and relocations should be expedited before the onset of tropical
storm force wind.

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 San Juan PR around 2 AM AST, or sooner if conditions
warrant.

$$
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