Cyclocane

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 If the information appears to be out of date, its name may have changed, so visit the main page for the latest information.

TWELVE Current Status

...DEPRESSION NEAR TROPICAL STORM STRENGTH... ...EXPECTED TO BECOME A LARGE AND POWERFUL HURRICANE LATER THIS WEEK...

Current Wind Speed 30 knots / 35 MPH

Max Predicted Wind Speed 105 knots / 120 MPH at

Current Watches/Warnings / Radar / Satellite

current US watches/warnings

map of current weather alerts in the United States

current radar loop

NWS weather radar loop of the coastal areas

If you're looking for other US radar loops, check out Radar Monster.

future radar imagery

future radar image of the Atlantic Ocean basin showing future possible storms and future locations of current storms

(above image is an example of the Western North Atlantic page - see Atlantic future radar page for a full set of images)

If a tropical storm or hurricane is threatening land, you can check my future radar for an idea of what radar might look like as the storm approaches.

TWELVE Land Hazards

NWS Local Hurricane Statements

TWELVE Tracker

TWELVE Satellite Loop

visible satellite loop of Tropical Depression TWELVE from wisc.edu

TWELVE Alternate Tracking Map

TWELVE Spaghetti Models

Spaghetti models for TWELVE can be found here:

TWELVE spaghetti models page »

TWELVE Watches and Warnings

National Hurricane Center image showing current coastal watches and warnings and future TWELVE predicted path

Tropical Depression TWELVE Tropical Cyclone Update

Tropical Depression TWELVE Public Advisory

000
WTNT32 KNHC 300838
TCPAT2
 
BULLETIN
Tropical Depression Twelve Advisory Number   3
NWS National Hurricane Center Miami FL       AL122024
500 AM AST Mon Sep 30 2024
 
...DEPRESSION NEAR TROPICAL STORM STRENGTH...
...EXPECTED TO BECOME A LARGE AND POWERFUL HURRICANE LATER THIS 
WEEK...
 
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...14.0N 34.1W
ABOUT 690 MI...1105 KM W OF THE CABO VERDE ISLANDS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 AM AST (0900 UTC), the center of Tropical Depression Twelve
was located near latitude 14.0 North, longitude 34.1 West. The
depression is moving toward the west near 8 mph (13 km/h), and a
general westward to west-northwestward motion is expected to
continue through Tuesday. A gradual turn to the northwest is 
forecast by Wednesday.
 
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Steady strengthening is forecast, and the depression is likely to 
become a hurricane by Tuesday night or Wednesday.
 
The estimated minimum central pressure is 1005 mb (29.68 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 AM AST.
 
$$
Forecaster Hagen

Public Advisory not available for this storm.

Tropical Depression TWELVE Forecast Discussion

000
WTNT42 KNHC 300838
TCDAT2
 
Tropical Depression Twelve Discussion Number   3
NWS National Hurricane Center Miami FL       AL122024
500 AM AST Mon Sep 30 2024

Tropical Depression Twelve has become better organized overnight.  A 
29/2338 UTC ASCAT-B overpass showed a large area of 25 to 30 kt 
winds, and that the center was located near the northern edge of the 
large convective mass.  Although a 30/0334 UTC AMSR2 microwave image 
showed that the center was still located near the northern edge of 
the central convective area, curved banding has been increasing 
during the night, with a large area of cold cloud tops persisting.  
Subjective Dvorak intensity estimates are a consensus T-2.0/30 kt 
from both TAFB and SAB.  Objective intensity estimates from UW-CIMSS 
are rising and now range from 36 to 41 kt.  Based on the subjective 
Dvorak estimates, a 30 kt initial intensity is held for this 
advisory, but the depression is likely very near tropical storm 
strength.

The estimated initial motion of the depression is westward, or 275/7 
kt.  The cyclone will continue moving westward to west-northwestward 
for another couple days while a well-established subtropical ridge 
remains in place to the north of the system.  A gradual turn to the 
northwest is expected around mid-week as a deep-layer trough over 
the north-central Atlantic weakens the ridge.  At the end of the 
forecast period, an approaching upper-level trough near Bermuda will 
induce the cyclone to turn northward over the open waters of the 
central Atlantic Ocean.  Some along-track spread is noted in the 
various track model solutions, but the models are in good agreement 
on the northward turn, with little cross-track spread.  The latest 
NHC track forecast is nearly identical to the previous one, and is 
about halfway between the slower GFS solution and the faster ECMWF 
model.

Conditions are quite favorable along the path of the depression with 
29 degree C sea-surface temperatures, a moist environment, and weak 
vertical wind shear.  Given the weak shear and the gradually 
improving structure, the cyclone should begin to steadily intensify 
soon.  The depression is forecast to become a hurricane in 36 to 48 
hours and a major hurricane in about 4 days.  The NHC intensity 
forecast is similar to the previous one, and lies between the middle 
and upper end of the intensity guidance suite, near the HCCA and 
IVCN multi-model consensus aids.  It should be noted that most of 
the models indicate that the cyclone's wind and wave field will 
expand significantly over the next several days, and the system is 
forecast to become a large and powerful hurricane as it gains 
latitude later this week.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  30/0900Z 14.0N  34.1W   30 KT  35 MPH
 12H  30/1800Z 14.1N  35.7W   40 KT  45 MPH
 24H  01/0600Z 14.3N  37.9W   50 KT  60 MPH
 36H  01/1800Z 14.9N  39.8W   60 KT  70 MPH
 48H  02/0600Z 15.8N  41.4W   70 KT  80 MPH
 60H  02/1800Z 17.1N  42.7W   80 KT  90 MPH
 72H  03/0600Z 18.4N  44.1W   90 KT 105 MPH
 96H  04/0600Z 20.7N  46.5W  105 KT 120 MPH
120H  05/0600Z 23.4N  48.5W  105 KT 120 MPH
 
$$
Forecaster Hagen

TWELVE storm path from NHC

Time Speed Location Status
30 knots 14.0, -34.1
40 knots 14.1, -35.7
50 knots 14.3, -37.9
60 knots 14.9, -39.8
70 knots 15.8, -41.4
80 knots 17.1, -42.7
90 knots 18.4, -44.1
105 knots 20.7, -46.5
105 knots 23.4, -48.5


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