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Post-Tropical Cyclone Aletta Forecast Discussion (Text)


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000
WTPZ42 KNHC 112033
TCDEP2

Post-Tropical Cyclone Aletta Discussion Number  25
NWS National Hurricane Center Miami FL       EP022018
200 PM PDT Mon Jun 11 2018

The depression has degenerated into a remnant low pressure system
due to the lack of any convection during the past 14 hours, and is
mainly a large swirl of cold-air stratocumulus clouds now. The
initial intensity of 30 kt is based on a few 29- to 30-kt wind
vectors noted in recent 1703Z and 1803Z ASCAT overpasses. Further
weakening and gradual spin down of the wind field is expected while
the cyclone moves slowly west-southwestward over sub-26 deg C waters
during the next several days, with dissipation forecast to occur by
day 5, if not sooner.

This is the last advisory on this system issued by the National
Hurricane Center.  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  11/2100Z 16.6N 118.3W   30 KT  35 MPH...POST-TROP/REMNT LOW
 12H  12/0600Z 16.4N 119.0W   25 KT  30 MPH...POST-TROP/REMNT LOW
 24H  12/1800Z 16.3N 119.7W   25 KT  30 MPH...POST-TROP/REMNT LOW
 36H  13/0600Z 16.1N 120.0W   20 KT  25 MPH...POST-TROP/REMNT LOW
 48H  13/1800Z 15.9N 120.1W   20 KT  25 MPH...POST-TROP/REMNT LOW
 72H  14/1800Z 15.9N 120.0W   15 KT  15 MPH...POST-TROP/REMNT LOW
 96H  15/1800Z 15.9N 119.9W   15 KT  15 MPH...POST-TROP/REMNT LOW
120H  16/1800Z...DISSIPATED

$$
Forecaster Stewart


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Page last modified: Monday, 11-Jun-2018 20:33:18 UTC