WTNT31 KNHC 212038 RRA

TCPAT1



BULLETIN

TROPICAL STORM OTTO ADVISORY NUMBER   4

NWS NATIONAL HURRICANE CENTER MIAMI FL       AL162016

400 PM EST MON NOV 21 2016



...OTTO REMAINS NEARLY STATIONARY...





SUMMARY OF 400 PM EST...2100 UTC...INFORMATION

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

LOCATION...11.3N 79.2W

ABOUT 190 MI...305 KM ESE OF SAN ANDRES ISLAND

ABOUT 315 MI...505 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.  A TROPICAL

STORM WATCH MAY BE REQUIRED FOR SAN ANDRES TONIGHT OR EARLY

TUESDAY.





DISCUSSION AND 48-HOUR OUTLOOK

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

AT 400 PM EST (2100 UTC), THE CENTER OF TROPICAL STORM OTTO WAS

LOCATED NEAR LATITUDE 11.3 NORTH, LONGITUDE 79.2 WEST.  OTTO IS

NEARLY STATIONARY, AND A GENERALLY WESTWARD DRIFT IS EXPECTED OVER

THE NEXT COUPLE OF DAYS.



MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH (85 KM/H) WITH HIGHER GUSTS.

STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS, AND OTTO COULD

BECOME A HURRICANE IN A 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

CENTRAL AND WESTERN PANAMA AND SOUTHEASTERN COSTA RICA THROUGH=