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Post-Tropical Cyclone OTIS (Text)


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Post-Tropical Cyclone Otis Discussion Number  32
NWS National Hurricane Center Miami FL       EP152017
800 AM PDT Tue Sep 19 2017

Otis has been devoid of deep convection for about 10 hours, and
the cyclone only consists of a compact swirl of low-level clouds.
Therefore, Otis is now classified as a remnant low, and this is
last advisory issued by the National Hurricane Center.  ASCAT data
from last night indicated that maximum winds were near 35 kt.
Assuming some spin down since that time due to the loss of deep
convection, the initial wind speed is lowered to 30 kt.  Continued
weakening due to cool SSTs and dry air is expected, and Otis is
expected to dissipate in a day or so.

The remnant low has turned to the west in the low-level trade wind
flow.  A west to west-southwest motion is expected until the system
dissipates.

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
http://www.opc.ncep.noaa.gov/shtml/NFDHSFEPI.shtml.

FORECAST POSITIONS AND MAX WINDS

INIT  19/1500Z 19.0N 128.6W   30 KT  35 MPH...POST-TROP/REMNT LOW
 12H  20/0000Z 18.6N 129.1W   30 KT  35 MPH...POST-TROP/REMNT LOW
 24H  20/1200Z 17.7N 130.4W   25 KT  30 MPH...POST-TROP/REMNT LOW
 36H  21/0000Z...DISSIPATED

$$
Forecaster Cangialosi

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Page last modified: Friday, 20-Oct-2017 12:10:29 UTC