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Tropical Storm Carlotta Discussion Number 16
NWS National Hurricane Center Miami FL EP032024
200 AM PDT Sun Aug 04 2024
Carlotta has continued to weaken overnight. Central deep convection
has collapsed, and the low-level center appears to be at least
partially exposed in proxy-visible satellite images. As a result,
the satellite-based intensity estimates have decreased. The initial
intensity is lowered to 60 kt for this advisory, which makes
Carlotta a tropical storm.
The storm is expected to move over progressively cooler SSTs over
the next few days while encountering stronger deep-layer shear in a
drier, more stable environment. Therefore, steady weakening is
forecast, and Carlotta is likely to lose organized convection and
become a post-tropical remnant low on Tuesday. After that, the
shallow cyclone should spin down and dissipate around midweek.
Carlotta continues to move west-northwestward at around 10 kt while
being steered by a deep-layer ridge centered to its north and east.
This general motion is expected to continue during the next day or
two. As the system weakens, the shallow vortex should move westward
within the low-level steering currents. There are no significant
changes to the latest NHC track prediction.
FORECAST POSITIONS AND MAX WINDS
INIT 04/0900Z 19.9N 123.0W 60 KT 70 MPH
12H 04/1800Z 20.2N 124.3W 55 KT 65 MPH
24H 05/0600Z 20.7N 126.2W 45 KT 50 MPH
36H 05/1800Z 21.2N 127.9W 40 KT 45 MPH
48H 06/0600Z 21.5N 129.4W 35 KT 40 MPH
60H 06/1800Z 21.6N 130.8W 30 KT 35 MPH...POST-TROP/REMNT LOW
72H 07/0600Z 21.7N 132.3W 25 KT 30 MPH...POST-TROP/REMNT LOW
96H 08/0600Z...DISSIPATED
$$
Forecaster Reinhart
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