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( cyclocane is a CYCLOne and hurriCANE tracker by hayley )

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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.

MARTY Current Status

...MARTY DEGENERATES INTO A REMNANT LOW... ...THIS IS THE LAST ADVISORY...

Current Wind Speed 30 knots / 35 MPH

Max Predicted Wind Speed 30 knots / 35 MPH at

MARTY Land Hazards

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

MARTY Tracker

wind (knots)
< 35
35+
64+
83+
96+
113+
137+
Leaflet | © OpenStreetMap contributors

MARTY Satellite Loop

MARTY Alternate Tracking Map

MARTY Spaghetti Models

Spaghetti models for MARTY can be found here:

MARTY spaghetti models page »

MARTY Watches and Warnings

Post-Tropical Cyclone MARTY Tropical Cyclone Update

Post-Tropical Cyclone MARTY Public Advisory

000
WTPZ33 KNHC 242040
TCPEP3
 
BULLETIN
Post-Tropical Cyclone Marty Advisory Number   7
NWS National Hurricane Center Miami FL       EP132021
200 PM PDT Tue Aug 24 2021
 
...MARTY DEGENERATES INTO A REMNANT LOW...
...THIS IS THE LAST ADVISORY...
 
 
SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...20.5N 119.2W
ABOUT 620 MI...995 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 200 PM PDT (2100 UTC), the center of Post-Tropical Cyclone Marty
was located near latitude 20.5 North, longitude 119.2 West. The
post-tropical cyclone is moving toward the west near 12 mph (19
km/h).  A westward motion at a slightly slower forward speed is 
expected over the next couple of days, followed by a turn to the 
west-southwest on Thursday.
 
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Gradual weakening is expected, and Marty is forecast to dissipate 
on Friday.
 
The estimated minimum central pressure is 1007 mb (29.74 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane 
Center on Marty.  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 Stewart

Public Advisory not available for this storm.

Post-Tropical Cyclone MARTY Forecast Discussion

738 
WTPZ43 KNHC 242041
TCDEP3
 
Post-Tropical Cyclone Marty Discussion Number   7
NWS National Hurricane Center Miami FL       EP132021
200 PM PDT Tue Aug 24 2021
 
There has been no significant deep convection within 100 nmi of 
Marty's center for more than 12 hours. As a result, Marty has 
degenerated into a remnant low. The initial intensity has been 
maintained at 30 kt based on ASCAT-B/-A passes between 1700-1800 
UTC that still showed a significant fetch of 25-kt winds over much 
of the northern quadrant, including a few embedded 28-kt vectors. 
Since Marty is forecast to remain over sub-26C sea-surface 
temperatures and within a large field of cold-air stratocumulus 
clouds, gradual spin down of the vortex and weakening of the 
cyclone's peak winds are expected until dissipation occurs in about 
72 hours. The new NHC intensity forecast is similar to the previous 
advisory, and closely follows a blend of the IVCN and NOAA-HCCA 
intensity consensus models.

The initial motion estimate remains westward, or 270/10 kt.  For 
the next 36 hours or so, the remnant low is forecast to move 
westward along the southern periphery of a sprawling deep-layer 
ridge located northwest through northeast of Marty. Thereafter, a 
motion toward the west-southwest is expected until the cyclone 
dissipates. The new NHC forecast track is essentially just an 
extension of the previous advisory track, and lies down the middle 
of the tightly packed consensus models, which have shifted a little 
to the south on this forecast cycle.
 
This is the last advisory being issued on Marty.  For additional 
information on the remnant low, please see High Seas Forecasts 
issued by the National Weather Service under AWIPS header NFDHSFEPI 
and WMO header FZPN02 KWBC.

 
FORECAST POSITIONS AND MAX WINDS
 
INIT  24/2100Z 20.5N 119.2W   30 KT  35 MPH...POST-TROP/REMNT LOW
 12H  25/0600Z 20.5N 120.8W   25 KT  30 MPH...POST-TROP/REMNT LOW
 24H  25/1800Z 20.5N 122.9W   25 KT  30 MPH...POST-TROP/REMNT LOW
 36H  26/0600Z 20.4N 125.0W   20 KT  25 MPH...POST-TROP/REMNT LOW
 48H  26/1800Z 20.2N 127.2W   20 KT  25 MPH...POST-TROP/REMNT LOW
 60H  27/0600Z 19.8N 129.6W   20 KT  25 MPH...POST-TROP/REMNT LOW
 72H  27/1800Z...DISSIPATED
 
$$
Forecaster Stewart

MARTY storm path from NHC

Time Speed Location Status
30 knots 20.5, -119.2 POST-TROPICAL CYCLONE
25 knots 20.5, -120.8 POST-TROPICAL CYCLONE
25 knots 20.5, -122.9 POST-TROPICAL CYCLONE
20 knots 20.4, -125.0 POST-TROPICAL CYCLONE
20 knots 20.2, -127.2 POST-TROPICAL CYCLONE
20 knots 19.8, -129.6 POST-TROPICAL CYCLONE
0 knots translation missing: en.DISSIPATED


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