WTNT31 KNHC 211755 RRA

TCPAT1



BULLETIN

TROPICAL STORM OTTO SPECIAL ADVISORY NUMBER   3

NWS NATIONAL HURRICANE CENTER MIAMI FL       AL162016

100 PM EST MON NOV 21 2016



...DEPRESSION STRENGTHENS INTO TROPICAL STORM OTTO...





SUMMARY OF 100 PM EST...1800 UTC...INFORMATION

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LOCATION...11.5N 79.3W

ABOUT 175 MI...285 KM ESE OF SAN ANDRES ISLAND

ABOUT 305 MI...495 KM E OF BLUEFIELDS NICARAGUA

MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H

PRESENT MOVEMENT...STATIONARY

MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES





WATCHES AND WARNINGS

--------------------

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.



INTERESTS IN NICARAGUA, COSTA RICA, AND THE ISLANDS OF SAN ANDRES

AND PROVIDENCIA SHOULD MONITOR THE PROGRESS OF OTTO, SINCE A

TROPICAL STORM WATCH MAY BE REQUIRED LATER TODAY OR TONIGHT.





DISCUSSION AND 48-HOUR OUTLOOK

------------------------------

AT 100 PM EST (1800 UTC), THE CENTER OF TROPICAL STORM OTTO WAS

LOCATED NEAR LATITUDE 11.5 NORTH, LONGITUDE 79.3 WEST.  OTTO IS

NEARLY STATIONARY, AND A WEST-SOUTHWESTWARD TO WESTWARD DRIFT IS

EXPECTED OVER THE NEXT COUPLE OF DAYS.



MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 50 MPH (85 KM/H) WITH

HIGHER GUSTS.  ADDITIONAL STRENGTHENING IS FORECAST DURING THE

NEXT 48 HOURS, AND OTTO COULD BECOME A HURRICANE DURING THE NEXT

COUPLE OF DAYS.



TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES (55 KM)

FROM THE CENTER.



THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB (29.53 INCHES).





HAZARDS AFFECTING LAND

----------------------

RAINFALL:  OUTER RAIN BANDS FROM OTTO ARE EXPECTED TO PRODUCE

RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES ACROSS PORTIONS OF=