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Post-Tropical Cyclone Aletta Discussion Number 7
NWS National Hurricane Center Miami FL EP012024
800 PM MST Fri Jul 05 2024
Convection has continued to diminish in association with Aletta.
Little or no organized deep convection has been seen since late
Thursday morning. Both the GFS and the ECMWF simulated satellite
imagery do not indicate any return of deep convection. Given the
marginal environment, the remnant low should continue to spin down.
Aletta is forecast to dissipate on Saturday.
Do to the very poor appearance on satellite imagery and the lack of
any pressure gradients in the area, the initial intensity has been
lowered to 20 kt. Socorro Island measured a maximum wind of 21 kt a
few hours ago as Aletta passed just south of the island. Earlier
ASCAT-B data from 1712 UTC only showed peak winds in the 20-25 kt
range at that time.
No significant change has been made to the NHC track forecast.
Aletta should continue to be steered by the low-level flow in a
direction just south of due west until it dissipates.
FORECAST POSITIONS AND MAX WINDS
INIT 06/0300Z 18.4N 111.6W 20 KT 25 MPH...POST-TROPICAL
12H 06/1200Z 18.3N 112.8W 20 KT 25 MPH...POST-TROP/REMNT LOW
24H 07/0000Z...DISSIPATED
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Forecaster Hagen/Cangialosi
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