ZCZC MIATWOEP ALL
TTAA00 KNHC DDHHMM

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Mon Sep 15 2025

For the eastern and central North Pacific east of 180 longitude:

Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Mario, located a few hundred miles south-southwest of the
southern tip of the Baja California Peninsula.

1. Off the Coast of Southwestern Mexico:
An elongated trough of low pressure located several hundred miles
off the coast of southern Mexico is producing disorganized showers
and thunderstorms. Environmental conditions appear conducive for
gradual development of this system, and a tropical depression could
form by the middle to latter part of this week as it moves
west-northwestward at 10 to 15 mph over the central east Pacific.
*Formation chance through 48 hours...low...20 percent.
*Formation chance through 7 days...medium...60 percent.



Public Advisories on Tropical Storm Mario are issued under WMO
header WTPZ33 KNHC and under AWIPS header MIATCPEP3.
Forecast/Advisories on Tropical Storm Mario are issued under WMO
header WTPZ23 KNHC and under AWIPS header MIATCMEP3.


Forecaster Jelsema