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Post-Tropical Cyclone Hilda Discussion Number  28
NWS National Hurricane Center Miami FL       EP082021
800 AM PDT Fri Aug 06 2021
 
Hilda has been devoid of organized deep convection for at least 12
hours, and since the cyclone is moving over sub-23C sea surface
temperatures, regeneration of deep convection is unlikely.  
Therefore, Hilda is designated as a 25 kt post-tropical remnant 
low, and this is the last advisory from National Hurricane Center.  
The low should continue to move further into a dry and stable air 
mass and over even cooler waters.  Consequently, weakening is 
forecast and the remnant low of Hilda should open up into a trough 
of low pressure over the weekend.
 
The initial motion is estimated to be west-northwestward, or 300/9
kt, and this general heading, within the low-level flow, is 
forecast to continue until dissipation.
 
For additional information on Hilda 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
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  06/1500Z 23.1N 134.1W   25 KT  30 MPH...POST-TROPICAL
 12H  07/0000Z 23.6N 135.5W   25 KT  30 MPH...POST-TROP/REMNT LOW
 24H  07/1200Z 24.1N 137.0W   20 KT  25 MPH...POST-TROP/REMNT LOW
 36H  08/0000Z 24.5N 138.2W   20 KT  25 MPH...POST-TROP/REMNT LOW
 48H  08/1200Z...DISSIPATED
 
$$
Forecaster Roberts
 
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