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NHC

Hurricane Polo Public Advisory

Advisory Number: 13a
600 PM CST Wed Sep 23 2026

000
WTPZ32 KNHC 232347
TCPEP2

BULLETIN
Hurricane Polo Intermediate Advisory Number 13A
NWS National Hurricane Center Miami FL EP172026
600 PM CST Wed Sep 23 2026

...STRENGTHENING POLO NEARS CATEGORY 5 INTENSITY...
...OUTER RAINBANDS BRINGING HEAVY RAINFALL TO COASTAL PORTIONS OF
SOUTHWESTERN MEXICO...


SUMMARY OF 600 PM CST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...15.7N 102.3W
ABOUT 145 MI...235 KM SSW OF ZIHUATANEJO MEXICO
ABOUT 265 MI...425 KM SSE OF MANZANILLO MEXICO
MAXIMUM SUSTAINED WINDS...155 MPH...250 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...929 MB...27.44 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Tecpan de Galeana to Punta San Telmo

A Tropical Storm Watch is in effect for...
* West of Punta San Telmo to Playa Perula

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within 12
hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

Interests elsewhere along the coast of southwestern Mexico should
continue to monitor the progress of this system.

For storm information specific to your area, please monitor products
issued by your national meteorological service.


DISCUSSION AND OUTLOOK
----------------------
At 600 PM CST (0000 UTC), the center of Hurricane Polo was located
near latitude 15.7 North, longitude 102.3 West. Polo is moving
toward the northwest near 6 mph (9 km/h), and this motion is
expected to continue through Thursday. A general west-northwestward
motion is forecast on Friday and over the weekend. On the forecast
track, the core of Polo is expected to be near the coast of
southwestern Mexico through Thursday morning before it moves farther
out to sea.

Maximum sustained winds have increased to near 155 mph (250 km/h)
with higher gusts. Polo is a category 4 hurricane on the
Saffir-Simpson Hurricane Wind Scale. Strengthening is possible
during the next day or so.

Hurricane-force winds extend outward up to 40 miles (65 km) from
the center and tropical-storm-force winds extend outward up to 105
miles (165 km).

The estimated minimum central pressure is 929 mb (27.44 inches).


HAZARDS AFFECTING LAND
----------------------
Key messages for Polo can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC.

WIND: Tropical storm conditions are expected within the warning area
along the coast of Mexico tonight. Tropical storm conditions are
possible within the watch area along the coast of Mexico late
tonight and on Thursday.

RAINFALL: Polo is expected to produce rainfall totals of 4 to 6
inches, with isolated maximum totals up to 8 inches across coastal
portions of the Mexican state of Guerrero through Thursday. This
rainfall may produce life-threatening flooding and mudslides,
especially in areas of steep terrain. Rainfall of 2 to 4 inches is
possible in coastal portions of the Mexican states of Michoacan,
Colima, and Jalisco through Thursday.

For a complete depiction of forecast rainfall associated with Polo,
please see the National Weather Service Storm Total Rainfall Graphic
available at hurricanes.gov/graphics_ep2.shtml?rainqpf

SURF: Swells generated by Polo will affect portions of the coast of
southwestern Mexico during the next few days. These swells are
likely to cause life-threatening surf, rip currents, and coastal
flooding. Please consult products from your local weather office.


NEXT ADVISORY
-------------
Next complete advisory at 900 PM CST.

$$
Forecaster Reinhart

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