Headline:
Tropical Storm Warning issued July 20 at 9:58PM CDT by NWS New Orleans LA
Event:
Tropical Storm Warning
Urgency:
Immediate
Effective:
July 20, 2026 - 7:58pm
Expires:
July 21, 2026 - 4:00am
Description:
A Tropical Storm Warning means tropical storm-force winds are
expected somewhere within this area within the next 36 hours
* LOCATIONS AFFECTED
- Port Sulphur
- Empire
- Venice
* WIND
- LATEST LOCAL FORECAST: Equivalent Tropical Storm force wind
- Peak Wind Forecast: 30-40 mph with gusts to 55 mph
- Window for Tropical Storm force winds: early Wednesday
morning until Wednesday evening
- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for wind 58
to 73 mph
- The wind threat has increased from the previous assessment.
- PLAN: Plan for dangerous wind of equivalent strong tropical
storm force.
- PREPARE: Remaining efforts to protect life and property
should be completed as soon as possible. Prepare for
significant wind damage.
- ACT: Move to safe shelter before the wind becomes hazardous.
- POTENTIAL IMPACTS: Significant
- 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.
* STORM SURGE
- LATEST LOCAL FORECAST: Life-threatening storm surge possible
- Peak Storm Surge Inundation: The potential for 2-4 feet
above ground somewhere within surge prone areas
- Window of concern: Begins Wednesday morning
- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for storm
surge flooding greater than 3 feet above ground
- The storm surge threat has remained nearly steady from the
previous assessment.
- PLAN: Plan for life-threatening storm surge flooding of
greater than 3 feet above ground.
- PREPARE: Evacuation efforts and flood preparations should
soon be brought to completion before conditions become
unsafe.
- ACT: Leave immediately if evacuation orders are given for
your area to avoid being cut off from emergency services or
needlessly risk lives.
- POTENTIAL IMPACTS: Significant
- Areas of inundation with storm surge flooding accentuated
by waves, mainly outside the levees. Damage to several
buildings, mainly near the coast.
- Sections of escape routes and secondary roads become
weakened or washed out, especially in usually vulnerable
low spots.
- Major shoreline and marsh erosion.
- Moderate damage to marinas, docks, boardwalks, and piers.
Several small craft broken away from moorings, especially
in unprotected anchorages.
* FLOODING RAIN
- LATEST LOCAL FORECAST:
- Peak Rainfall Amounts: Additional 1-3 inches, with locally
higher amounts
- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for
moderate flooding rain
- The flooding rain threat has remained nearly steady from
the previous assessment.
- PLAN: Emergency plans should include the potential for
moderate flooding from heavy rain. Evacuations and rescues
are possible.
- PREPARE: Consider protective actions if you are in an area
vulnerable to flooding.
- ACT: Heed any flood watches and warnings. Failure to take
action may result in serious injury or loss of life.
- POTENTIAL IMPACTS: Significant
- 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.
* TORNADO
- LATEST LOCAL FORECAST:
- Situation is unfavorable for tornadoes
- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Tornadoes not expected
- The tornado threat has remained nearly steady from the
previous assessment.
- PLAN: Tornadoes are not expected. Showers and thunderstorms
with gusty winds may still occur.
- PREPARE: Little to no preparations needed to protect
against tornadoes at this time. Keep informed of the latest
tornado situation.
- ACT: Listen for changes in the forecast.
- POTENTIAL IMPACTS: Little to None
- Little to no potential impacts from tornadoes.
* FOR MORE INFORMATION:
- https://gohsep.la.gov/emergency
Area Description:
Lower Plaquemines
Forcast Office:
NWS New Orleans LA
Sender: