[Tropical] Public Tropical Cyclone Advisory

EMWIN Server emwin at nashvilleweather.net
Wed Nov 23 05:41:43 CST 2016


WTNT31 KNHC 231140
TCPAT1

BULLETIN
TROPICAL STORM OTTO INTERMEDIATE ADVISORY NUMBER  10A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL162016
700 AM EST WED NOV 23 2016

...AIR FORCE PLANE FINDS OTTO A LITTLE WEAKER...


SUMMARY OF 700 AM EST...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...11.0N 80.5W
ABOUT 185 MI...300 KM ENE OF LIMON COSTA RICA
ABOUT 235 MI...375 KM ESE OF BLUEFIELDS NICARAGUA
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

The weather service of Panama has discontinued the Tropical Storm
Warning for Panama from Nargana to Colon.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Hurricane Warning is in effect for...
* Limon Costa Rica to Bluefields Nicaragua

A Hurricane Watch is in effect for...
* North of Bluefields to Sandy Bay Sirpi Nicaragua
* South of Limon to the Costa Rica/Panama border

A Tropical Storm Warning is in effect for...
* North of Bluefields to Sandy Bay Sirpi Nicaragua
* San Andres

A Tropical Storm Watch is in effect for...
* West of Colon Panama to the Costa Rica/Panama border
* Puntarenas Costa Rica to Puerto Sandino Nicaragua

A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area.  Preparations to protect life and
property should be rushed to completion.

A Hurricane Watch means that hurricane conditions are possible
within the watch area, usually within 48 hours.

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

Interests elsewhere in Nicaragua, Costa Rica, and Providencia Island
should monitor the progress of Otto.

For storm information specific to your area, please monitor products
issued by your national meteorological service.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 700 AM EST (1200 UTC), the center of Tropical Storm Otto was
located near latitude 11.0 North, longitude 80.5 West.  Otto is
moving toward the west-northwest near 5 mph (7 km/h), and this
motion is expected to continue today.  A turn toward the west and an
increase in forward speed are expected tonight and Thursday.  On the
forecast track, the center of Otto will move onshore within the
hurricane warning area on Thursday, and reach the Pacific coast of
southern Nicaragua or northern Costa Rica Thursday night or early
Friday.

Maximum sustained winds have decreased to near 70 mph (110 km/h)
with higher gusts.  Otto is expected to restrengthen into a
hurricane before it makes landfall on Thursday, with weakening
forecast after the center moves inland.

Tropical-storm-force winds extend outward up to 60 miles (95 km).

The minimum central pressure reported by an Air Force Reserve
Hurricane Hunter is 994 mb (29.35 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Outer rain bands from Otto are expected to produce
rainfall accumulations of 4 to 8 inches over San Andres and
Providencia islands, and the higher terrain of central and western
Panama and southern Costa Rica through today.  Total rainfall of 6
to 12 inches, with isolated amounts of 15 to 20 inches, can be
expected across northern Costa Rica and southern Nicaragua through
Thursday.  These rains will likely result in life-threatening flash
floods and mud slides.

WIND:  Hurricane conditions are expected within the hurricane
warning area on Thursday, with tropical storm conditions expected
to begin overnight tonight or Thursday morning, making outside
preparations difficult or dangerous.  Hurricane conditions are
possible in the hurricane watch area on Thursday.

Tropical storm conditions are expected within warning area in
Nicaragua tonight and Thursday.  Tropical storm conditions are
possible in the tropical storm watch area in Panama today and in San
Andres later today.  Tropical storm conditions are possible in the
watch area along the Pacific coasts of Costa Rica and Nicaragua by
Thursday night.

STORM SURGE:  The combination of a dangerous storm surge and large
and destructive waves could raise water levels by as much 2 to 4
feet above normal tide levels in areas of onshore flow within the
hurricane warning area.

SURF:  Swells generated by Otto are likely to cause life-threatening
surf and rip current conditions over the next several days along the
coasts of Panama, Costa Rica, and Nicaragua.  Please consult
products from your local weather office.


NEXT ADVISORY
-------------
Next complete advisory at 1000 AM EST.

$$
Forecaster Blake

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