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This storm is unnamed. If the information appears to be out of date, its name may have changed, so visit the main page for the latest information.

SEVENTEEN-E Current Status

...TROPICAL DEPRESSION FORMS OFF THE COAST OF SOUTHWESTERN MEXICO... ...TROPICAL STORM WATCHES IN EFFECT...

Current Wind Speed 30 knots / 35 MPH

Max Predicted Wind Speed 45 knots / 50 MPH at

SEVENTEEN-E Land Hazards

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

SEVENTEEN-E Tracker

SEVENTEEN-E Satellite Loop

visible satellite loop of Tropical Depression SEVENTEEN-E from wisc.edu

visible satellite loop of Tropical Depression SEVENTEEN-E from wisc.edu

SEVENTEEN-E Alternate Tracking Map

SEVENTEEN-E Spaghetti Models

Spaghetti models for SEVENTEEN-E can be found here:

SEVENTEEN-E spaghetti models page »

SEVENTEEN-E Watches and Warnings

Tropical Depression SEVENTEEN-E Tropical Cyclone Update

Tropical Depression SEVENTEEN-E Public Advisory

000
WTPZ32 KNHC 091440
TCPEP2
 
BULLETIN
Tropical Depression Seventeen-E Advisory Number   1
NWS National Hurricane Center Miami FL       EP172025
900 AM CST Thu Oct 09 2025
 
...TROPICAL DEPRESSION FORMS OFF THE COAST OF SOUTHWESTERN MEXICO...
...TROPICAL STORM WATCHES IN EFFECT...
 
 
SUMMARY OF 900 AM CST...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...16.2N 100.8W
ABOUT 115 MI...185 KM SSE OF ZIHUATANEJO MEXICO
ABOUT 750 MI...1210 KM SE OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
The government of Mexico has issued a Tropical Storm Watch from
Zihuatanejo to Cabo Corrientes, Mexico.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Watch is in effect for...
* Zihuatanejo to Cabo Corrientes, Mexico
 
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case within the next 36
hours.
 
Interests in southern Baja California Sur should 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 900 AM CST (1500 UTC), the center of Tropical Depression
Seventeen-E was located near latitude 16.2 North, longitude 100.8
West.  The depression is moving toward the west-northwest near 14 
mph (22 km/h), and this general motion is expected to continue 
through early Friday.  A turn toward the northwest is expected by 
late Friday, followed by a northward turn by early Sunday.  On the 
forecast track, the center of the depression is expected to move 
parallel to the southwestern coast of Mexico through Friday and 
then be near southern Baja California Sur Saturday and Sunday.
 
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Some strengthening is forecast through Friday, but weakening is 
likely over the weekend.
 
The estimated minimum central pressure is 1004 mb (29.65 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are possible within the eastern 
part of the watch area later today and could spread westward across 
the remainder of the area through late Friday.

RAINFALL: Outer bands from the tropical depression will bring heavy 
rain to portions of southwestern Mexico through Saturday.  Across 
coastal portions of Oaxaca, Guerrero, Michoacán, Colima, and 
Jalisco, rainfall amounts of 2 to 4 inches are expected, with local 
amounts of 6 inches or more in Guerrero and Michoacán. This rainfall 
will bring a risk of flash flooding, especially in areas of higher 
terrain.  Moisture from the tropical depression will bring the 
potential for additional heavy rainfall over portions of the 
Southwest U.S. early next week.

For a complete depiction of forecast rainfall and flash flooding 
associated with the depression, please see the National Weather 
Service Storm Total Rainfall Graphic, available at 
hurricanes.gov/graphics_ep2.shtml?rainqpf
 
SURF:  Swells generated by the depression are expected to spread
westward along the southwestern coast of Mexico through Friday and
reach southern Baja California Sur on Saturday.  Please consult
products from your local weather office.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 1200 PM CST.
Next complete advisory at 300 PM CST.
 
$$
Forecaster Berg

Public Advisory not available for this storm.

Tropical Depression SEVENTEEN-E Forecast Discussion

000
WTPZ42 KNHC 091440
TCDEP2
 
Tropical Depression Seventeen-E Discussion Number   1
NWS National Hurricane Center Miami FL       EP172025
900 AM CST Thu Oct 09 2025
 
The large area of disturbed weather located near the southwestern 
coast of Mexico (Invest 90E) has continued to gain organization.  
Convective banding has become more evident in the southern and 
western part of the circulation, and the latest Dvorak estimates 
from TAFB and SAB are T2.0 and T1.5, respectively.  The convective 
pattern does suggest that the circulation might still be a bit 
elongated, but hourly observations from a cruise ship, the 
Norwegian Joy (C6CX3), helped to locate the main center of 
circulation, pressure minimum, and estimated winds.  The 
circulation and convection are now organized enough to classify the 
system as a tropical depression.

The center we're now tracking is somewhat discontinuous from a 
feature we were tracking yesterday farther to the east, and the 
initial motion is a rough estimate of west-northwestward, or 285/12 
kt.  Strong mid-level ridging over northern Mexico and the 
south-central U.S. is expected to steer the depression on a quick 
west-northwestward to northwestward track during the next 48 hours, 
with the center paralleling the southwestern coast of Mexico through 
late Friday.  The system is then likely to round the western 
periphery of the high and move toward the Baja California peninsula 
in 2-3 days.  The model guidance is in fairly good agreement for 
this first forecast, and the NHC track is close to a blend of the 
TVCE and HCCA consensus aids.

The depression is being affected by strong easterly shear which is 
likely to continue for the next 24 hours.  However, the system is 
also over very warm waters (29-30 degrees Celsius), in an 
environment of strong upper-level divergence, and moving 
quickly, which should all allow for some modest strengthening 
during that time.  The NHC forecast is near the top end of 
the guidance and close to the HCCA aid in the short term.  Although 
the shear is forecast to decrease some after 24 hours, the 
mid-level environment is expected to become drier and more stable 
while the upper-level winds become more convergent.  Those changes 
should induce weakening while the system is approaching the southern 
Baja California peninsula.  Although a remnant low point is 
provided over northwestern Mexico on day 4, it is likely that the 
system will dissipate before that time.

KEY MESSAGES:

1.  Tropical storm conditions are possible along portions of the 
coast of southwestern Mexico through late Friday.  Interests in 
southern Baja California Sur should monitor the progress of the 
system.

2.  Heavy rainfall associated with the tropical depression will 
impact coastal sections of southwestern Mexico through Saturday, 
which could result in flash flooding, particularly in areas of 
higher terrain.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  09/1500Z 16.2N 100.8W   30 KT  35 MPH
 12H  10/0000Z 16.8N 102.6W   40 KT  45 MPH
 24H  10/1200Z 18.1N 105.1W   45 KT  50 MPH
 36H  11/0000Z 19.8N 107.8W   40 KT  45 MPH
 48H  11/1200Z 21.4N 109.9W   35 KT  40 MPH
 60H  12/0000Z 23.3N 111.0W   30 KT  35 MPH
 72H  12/1200Z 25.5N 111.2W   30 KT  35 MPH
 96H  13/1200Z 29.2N 110.7W   15 KT  15 MPH...POST-TROP/REMNT LOW
120H  14/1200Z...DISSIPATED
 
$$
Forecaster Berg

SEVENTEEN-E storm path from NHC

Time Speed Location Status
30 knots 16.2, -100.8
40 knots 16.8, -102.6
45 knots 18.1, -105.1
40 knots 19.8, -107.8
35 knots 21.4, -109.9
30 knots 23.3, -111.0
30 knots 25.5, -111.2
15 knots 29.2, -110.7 POST-TROPICAL CYCLONE
0 knots DISSIPATED


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