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This is the final warning / advisory for this storm as it has weakened below warning levels and/or the storm system is no longer a tropical cyclone.

Go to the main page to see active storms.

Hurricane Time Machine

OCTAVE Current Status

...OCTAVE BECOMES A POST-TROPICAL CYCLONE... ...THIS IS THE LAST NHC ADVISORY...

Current Wind Speed 30 knots / 35 MPH

Max Predicted Wind Speed 30 knots / 35 MPH at

OCTAVE Land Hazards

México
Avisos y Alertas
Guatemala
Boletín Meteorológico Informativo
Belize
El Salvador
Informes Especiales

OCTAVE Tracker

OCTAVE Satellite Loop

visible satellite loop of Post-Tropical Cyclone OCTAVE from wisc.edu

visible satellite loop of Post-Tropical Cyclone OCTAVE from wisc.edu

OCTAVE Alternate Tracking Map

OCTAVE Spaghetti Models

Spaghetti models for OCTAVE can be found here:

OCTAVE spaghetti models page »

OCTAVE Watches and Warnings

Post-Tropical Cyclone OCTAVE Tropical Cyclone Update

Post-Tropical Cyclone OCTAVE Public Advisory

000
WTPZ35 KNHC 091437
TCPEP5
 
BULLETIN
Post-Tropical Cyclone Octave Advisory Number  38
NWS National Hurricane Center Miami FL       EP152025
800 AM MST Thu Oct 09 2025
 
...OCTAVE BECOMES A POST-TROPICAL CYCLONE...
...THIS IS THE LAST NHC ADVISORY...
 
 
SUMMARY OF 800 AM MST...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...17.7N 110.5W
ABOUT 360 MI...580 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...ENE OR 65 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 AM MST (1500 UTC), the center of Post-Tropical Cyclone Octave
was located near latitude 17.7 North, longitude 110.5 West. The
post-tropical cyclone is moving toward the east-northeast near 17
mph (28 km/h). This motion will continue until the system  
dissipates into an open trough later today.
 
Maximum sustained winds have decreased to near 35 mph (55 km/h) 
with higher gusts. The system is expected to continue to weaken and 
dissipate into an open trough later today.

 
The estimated minimum central pressure is 1006 mb (29.71 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane 
Center on this system.For additional information on the remnant low 
please see High Seas Forecasts issued by the National Weather 
Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and 
on the web at ocean.weather.gov/shtml/NFDHSFEPI.php

 
$$
Forecaster Kelly

Public Advisory not available for this storm.

Post-Tropical Cyclone OCTAVE Forecast Discussion

000
WTPZ45 KNHC 091438
TCDEP5
 
Post-Tropical Cyclone Octave Discussion Number  38
NWS National Hurricane Center Miami FL       EP152025
800 AM MST Thu Oct 09 2025
 
Octave's low-level center has become exposed due to increasing wind 
shear. The small area of convection that the system had produced 
overnight has collapsed. Given the wind shear, Octave is not 
forecast to regain convection and thus is designated as a remnant 
low with an initial intensity of 30 kt. The center of Octave has 
already become a little more ragged on satellite imagery and the 
system is expected to open up into a trough and dissipate later 
today.
 
This is the last public advisory issued by the National Hurricane
Center on this system.  For additional information on the remnant
low please see High Seas Forecasts issued by the National Weather
Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and
on the web at ocean.weather.gov/shtml/NFDHSFEPI.php
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  09/1500Z 17.7N 110.5W   30 KT  35 MPH...POST-TROPICAL
 12H  10/0000Z...DISSIPATED
 
$$
Forecaster Kelly

OCTAVE storm path from NHC

Time Speed Location Status
30 knots 17.7, -110.5 POST-TROPICAL
0 knots DISSIPATED


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