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Tropical Storm Ernesto Local Statement Advisory Number 10
National Weather Service San Juan PR AL052024
1118 PM AST Tue Aug 13 2024
This product covers Puerto Rico and the US Virgin Islands
...ERNESTO WITH CENTER JUST NORTH OF CULEBRA AND THE NORTHERN U.S. VIRGIN ISLANDS
IS EXPECTED TO STRENGTHEN WHILE IT PASSES NORTHEAST OF PUERTO RICO OVERNIGHT...
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- None
* CURRENT WATCHES AND WARNINGS:
- A Tropical Storm Warning and Hurricane Watch are in effect for
Culebra, St Croix, St.Thomas...St. John...and Adjacent Islands,
and Vieques
- A Tropical Storm Warning is in effect for Central Interior,
Eastern Interior, Mayaguez and Vicinity, North Central,
Northeast, Northwest, Ponce and Vicinity, San Juan and
Vicinity, Southeast, Southwest, and Western Interior
* STORM INFORMATION:
- About 50 miles east-northeast of San Juan PR or about 40 miles
north-northwest of Saint Thomas VI
- 18.8N 65.3W
- Storm Intensity 65 mph
- Movement Northwest or 305 degrees at 17 mph
SITUATION OVERVIEW
------------------
A Hurricane Watch remains in effect for all the U.S. Virgin Islands
and the municipalities of Culebra and Vieques in Puerto Rico due to
possible hurricane conditions through tonight and Tropical Storm
conditions are expected to continue within the next 36 hours.
Ernesto`s center is currently located about 35 miles northwest of
St. Thomas with strong rainbands stretching from St. Croix through
the northern U.S. and British Virgin Islands. For the rest of tonight
through the morning hours , heavy rainfall will continue to affect
the eastern half of the region, moving closer to Culebra, Vieques,
and eastern Puerto Rico. Tropical storm sustained winds are expected
across most of the eastern side of Puerto Rico, Culebra, Vieques and
all the U.S. Virgin Islands. Lingering moisture will persist tomorrow
afternoon providing conditions for ongoing rainfall. Marine and coastal
conditions will remain deteriorated with seas greater than 10 feet and
life-threatening rip currents, and rough surf conditions lasting through
at least tomorrow night.
POTENTIAL IMPACTS
-----------------
* WIND:
Potential impacts from the main wind event are now unfolding across
U.S. Virgin Islands, Vieques, Culebra, and eastern Puerto Rico.
Remain well sheltered from dangerous wind having significant impacts.
If realized, these impacts 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. A few bridges, causeways, and access
routes impassable.
- Scattered power and communications outages, but more prevalent
in areas with above ground lines.
* SURGE:
Potential impacts from the main surge event are now unfolding. Remain
well away from locally hazardous surge having limited impacts.
If realized, these impacts 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.
* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding. Remain
well guarded against life-threatening flood waters having extensive
impacts.
If realized, these 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 along steep terrain will result in many
rockslides and landslides. 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.
* TORNADOES:
Potential impacts from tornadoes are still unfolding across the U.S.
Virgin Islands, Vieques, and Culebra. Remain well braced against a
tornado event having 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.
Elsewhere across Puerto Rico and the US Virgin Islands, little to no
impact is anticipated.
PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------
* EVACUATIONS:
Follow the advice of local officials
* OTHER PREPAREDNESS INFORMATION:
Now is the time to remain safely sheltered from the storm. Stay
inside and away from windows. Listen for updates and be ready in case
you lose electrical power. Locate your battery powered radio and
flashlight from your Emergency Supplies Kit. Keep these items close.
During the peak of the storm, keep your shoes on and rain gear handy.
Boots and tennis shoes offer the best foot protection if you become
unexpectedly exposed to the elements.
Continue to keep your cell phone well charged for as long as
possible. If you lose power, use it more sparingly and mainly for
personal emergencies and check-ins. Do not overload communications
systems with idle chatter.
Be ready to move to the identified safe room if your home or shelter
begins to fail. Quickly move to an interior room on the lowest floor.
Put as many sturdy walls between you and the storm as you can.
Protect your head and body.
* 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.
$$