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Advisory - Tropical System Otto

POST-TROPICAL CYCLONE ARLENE ADVISORY NUMBER   9
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL012017
1100 AM AST FRI APR 21 2017

...ARLENE MERGES WITH A LARGE EXTRATROPICAL CYCLONE...
...THIS IS THE LAST ADVISORY...


SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...39.3N 49.9W
ABOUT 1235 MI...1985 KM W OF THE AZORES
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...SW OR 220 DEGREES AT 23 MPH...37 KM/H
MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES


WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST (1500 UTC), THE CENTER OF POST-TROPICAL CYCLONE
ARLENE WAS LOCATED NEAR LATITUDE 39.3 NORTH, LONGITUDE 49.9 WEST.
THE POST-TROPICAL CYCLONE IS MOVING TOWARD THE SOUTHWEST NEAR 23 MPH
(37 KM/H), AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE UNTIL
DISSIPATION.

MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH (85 KM/H) WITH HIGHER GUSTS.
THE POST-TROPICAL CYCLONE IS FORECAST TO DISSIPATE LATER
TODAY.

TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 230 MILES (370 KM)
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB (29.39 INCHES).


HAZARDS AFFECTING LAND
----------------------
NONE.


NEXT ADVISORY
-------------
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE,
UNDER AWIPS HEADER NFDHSFAT1, WMO HEADER FZNT01 KWBC, AND AVAILABLE
ON THE WEB AT HTTP://WWW.OPC.NCEP.NOAA.GOV/SHTML/NFDHSFAT1.SHTML.

$$
FORECASTER AVILA

Tropical Storm Otto
Latitude 39.3N
Longitude 49.9W
Maximum Winds 50 MPH
Pressure 995 MB
Direction/Speed SW @ 23 MPH

Last Updated: 1100 AM AST



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