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BULLETIN
Tropical Storm Ema Advisory Number   3
NWS Central Pacific Hurricane Center Honolulu HI   CP012019
500 PM HST Sat Oct 12 2019
 
...WEAKENING TROPICAL STORM EMA PASSING WELL SOUTH OF NECKER
ISLAND...
...NO THREAT TO THE MAIN HAWAIIAN ISLANDS...
 
 
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...21.7N 164.5W
ABOUT 325 MI...525 KM W OF LIHUE HAWAII
ABOUT 190 MI...305 KM SE OF FRENCH FRIGATE SHOALS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Watch is in effect for...
* Portions of the Papahanaumokuakea Marine National Monument from
Nihoa to French Frigate Shoals to Maro Reef
 
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case within 24 hours.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 PM HST (0300 UTC), the center of Tropical Storm Ema was
located near latitude 21.7 North, longitude 164.5 West. Ema is
moving toward the northwest near 12 mph (19 km/h), and this motion
is expected to continue over the next day or two.
 
Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
Steady weakening is forecast, and Ema is expected to dissipate by
Monday.
 
Tropical-storm-force winds extend outward up to 45 miles (75 km)
from the center.
 
The estimated minimum central pressure is 1005 mb (29.68 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical Storm conditions are possible in the watch area on
Sunday, mainly from Necker Island to French Frigate Shoals to
Gardner Pinnacles.
 
RAINFALL: Heavy rainfall associated with Ema may affect portions of
the Papahanaumokuakea Marine National Monument from Nihoa to French
Frigate Shoals to Maro Reef through Sunday night.
 
SURF: Elevated swells associated with Ema may affect portions of the
Papahanaumokuakea Marine National Monument through Sunday night.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 800 PM HST.
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Birchard
 
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