National Hurricane Center issues ADVISORY 10A for TROPICAL STORM ALBERTO INTERMEDIATE970
WTNT31 KNHC 200542
TCPAT1
BULLETIN
Tropical Storm Alberto Intermediate Advisory Number 10A
NWS National Hurricane Center Miami FL AL012024
100 AM CDT Thu Jun 20 2024
...ALBERTO APPROACHING THE COAST OF MEXICO...
...HEAVY RAINS, COASTAL FLOODING, AND GUSTY WINDS FORECAST TO
CONTINUE THROUGH THE MORNING ALONG THE COASTS OF TEXAS AND
NORTHEASTERN MEXICO...
SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...21.9N 96.1W
ABOUT 120 MI...190 KM ESE OF TAMPICO MEXICO
ABOUT 290 MI...465 KM SSE OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
None.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* the Texas coast from San Luis Pass southward to the mouth of the
Rio Grande.
* the northeastern coast of Mexico south of the mouth of the Rio
Grande to Tecolutla.
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area.
For storm information specific to your area in the United
States, including possible inland watches and warnings, please
monitor products issued by your local National Weather Service
forecast office. For storm information specific to your area
outside of the United States, please monitor products issued by
your national meteorological service.
DISCUSSION AND OUTLOOK
----------------------
At 100 AM CDT (0600 UTC), the center of Tropical Storm Alberto was
located near latitude 21.9 North, longitude 96.1 West. Alberto is
moving toward the west near 9 mph (15 km/h). This motion is expected
to continue for the next day or so. On this track, the center of
Alberto is expected to reach the Gulf coast of Mexico later this
morning.
Maximum sustained winds remain near 50 mph (85 km/h) with higher
gusts based on data from an Air Force Reserve Hurricane Hunter
aircraft. Some slight strengthening is possible before the center
of Alberto reaches land later this morning. Weakening is expected
after the center moves inland, and Alberto is likely to dissipate
over Mexico later today or tonight.
Alberto is a large tropical storm, with tropical-storm-force winds
extending outward up to 460 miles (740 km) from the center.
The estimated minimum central pressure is 993 mb (29.33 inches)
based on Air Force dropsonde data.
HAZARDS AFFECTING LAND
----------------------
Key messages for Alberto can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT1 and WMO header WTNT41 KNHC.
RAINFALL: Tropical Storm Alberto is expected to produce rainfall
totals of 5 to 10 inches across northeast Mexico into South Texas.
Maximum totals around 20 inches are possible across the higher
terrain of the Mexican states of Coahuila, Nuevo Leon, and
Tamaulipas. This rainfall will likely produce considerable flash and
urban flooding along with new and renewed river flooding. Mudslides
are also possible in areas of higher terrain across northeast
Mexico.
For a complete depiction of forecast rainfall and flash flooding
associated with Alberto, please see the National Weather Service
Storm Total Rainfall Graphic, available at
hurricanes.gov/graphics_at1.shtml?rainqpf and the Flash Flood Risk
graphic at hurricanes.gov/graphics_at1.shtml?ero
STORM SURGE: The combination of a dangerous storm surge and
the tide will cause normally dry areas near the coast to be flooded
by rising waters moving inland from the shoreline. The water could
reach the following heights above ground somewhere in the indicated
areas if the peak surge occurs at the time of high tide...
Sargent, TX to Sabine Pass, TX...2-4 ft
Galveston Bay...2-4 ft
Mouth of the Rio Grande, TX to Sargent, TX...1-3 ft
Sabine Pass, TX to Vermilion/Cameron Parish Line, LA...1-3 ft
The deepest water will occur along the immediate coast near and to
the north of the landfall location, where the surge will be
accompanied by large and dangerous waves. Surge-related flooding
depends on the relative timing of the surge and the tidal cycle,
and can vary greatly over short distances. For information
specific to your area, please see products issued by your local
National Weather Service forecast office.
For a complete depiction of areas at risk of storm surge inundation,
please see the National Weather Service Peak Storm Surge Graphic,
available at hurricanes.gov/graphics_at1.shtml?peakSurge.
Storm surge will raise water levels by as much as 1 to 3 feet above
normal tide levels along the immediate coast of northeastern
Mexico in areas of onshore winds north of where the center makes
landfall. Near the coast, the surge will be accompanied by large
and destructive waves.
WIND: Tropical storm conditions are expected within the warning
area through this morning.
TORNADOES: A few tornadoes are possible overnight across parts of
Deep South Texas and Southeast Texas.
SURF: Swells generated by Alberto will affect the coast of Texas
and northeastern Mexico through Friday. These swells are
likely to cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.
NEXT ADVISORY
-------------
Next complete advisory at 400 AM CDT.
$$
Forecaster Papin
Source:
National Hurricane Center issues ADVISORY 10A for TROPICAL STORM ALBERTO INTERMEDIATE---------------
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