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BULLETIN
Tropical Storm Ema Intermediate Advisory Number 3A
NWS Central Pacific Hurricane Center Honolulu HI   CP012019
800 PM HST Sat Oct 12 2019
 
...EMA CONTINUES TO WEAKEN AS IT PASSES WELL SOUTH OF NECKER
ISLAND...
...EMA IS NO THREAT TO THE MAIN HAWAIIAN ISLANDS...
 
 
SUMMARY OF 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...21.9N 164.9W
ABOUT 355 MI...570 KM W OF LIHUE HAWAII
ABOUT 165 MI...265 KM SSE OF FRENCH FRIGATE SHOALS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NW OR 305 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 the next 24
hours.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 PM HST (0600 UTC), the center of Tropical Storm Ema was
located near latitude 21.9 North, longitude 164.9 West. Ema is
moving toward the northwest near 12 mph (19 km/h), and this
general motion is expected to continue during the next couple of
days.
 
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 complete advisory at 1100 PM HST.
 
$$
Forecaster Houston
 
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