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Expires:No;;271871
WTPA35 PHFO 140831
TCPCP5
 
BULLETIN
Post-Tropical Cyclone Ema Advisory Number   8
NWS Central Pacific Hurricane Center Honolulu HI   CP012019
1100 PM HST Sun Oct 13 2019
 
...EMA WEAKENS TO A REMNANT LOW...
 
 
SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION
-----------------------------------------------
LOCATION...25.4N 168.3W
ABOUT 165 MI...260 KM NW OF FRENCH FRIGATE SHOALS
ABOUT 610 MI...980 KM WNW OF LIHUE HAWAII
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NNW OR 345 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 1100 PM HST (0900 UTC), the center of Post-Tropical Cyclone Ema
was located near latitude 25.4 North, longitude 168.3 West. The
post-tropical cyclone is moving toward the north-northwest near 17
mph (28 km/h). This motion is expected to continue tonight, with
the remnant low expected to dissipate on Monday.
 
Maximum sustained winds are near 35 mph (55 km/h) with higher
gusts. Little change in strength is expected tonight, with the
remnant low expected to dissipate on Monday. 
 
The estimated minimum central pressure is 1009 mb (29.80 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
-------------
This is the last public advisory issued by the Central Pacific
Hurricane Center on Ema. Additional information on the
post-tropical remnant low can be found in the high seas forecasts
issued by the National Weather Service in Honolulu, under AWIPS
header HFOHSFNP, WMO header FZPN40 PHFO, and on the web at
https://www.weather.gov/hfo/HSFNP. 
 
$$
Forecaster Jelsema
 


 

Expires:No;;271877
WTPA45 PHFO 140832
TCDCP5
 
Post-Tropical Cyclone Ema Discussion Number   8
NWS Central Pacific Hurricane Center Honolulu HI   CP012019
1100 PM HST Sun Oct 13 2019

The low-level circulation center of Ema has been exposed since
around 13/1200Z, with only a few brief pulses of convection on the
periphery of the system since that time. The lack of persistent
deep convection in combination with continued strong vertical wind
shear of around 30 kt over the next day or two should continue to
weaken the system. As a result, Ema has been designated a
post-tropical remnant low. The initial intensity has been held at 30
kt for this advisory, with the motion set at 345/15 kt. 

Ema is being steered toward the north-northwest between a mid-level
low to the west and a large sub-tropical ridge to the east. This
motion is expected to continue tonight, with Ema degenerating into a
trough on Monday. Little change in intensity is forecast through
dissipation. 
 
This is the last advisory issued by the Central Pacific Hurricane
Center on Ema. Additional information on the post-tropical remnant
low can be found in the High Seas Forecasts issued by the National
Weather Service in Honolulu under AWIPS header HFOHSFNP and WMO
header FZPN40 PHFO.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  14/0900Z 25.4N 168.3W   30 KT  35 MPH...POST-TROP/REMNT LOW
 12H  14/1800Z 27.4N 169.1W   30 KT  35 MPH...POST-TROP/REMNT LOW
 24H  15/0600Z...DISSIPATED
 
$$
Forecaster Jelsema
 


 

    

More information

Expires:No;;271846
WTPA25 PHFO 140830
TCMCP5
 
POST-TROPICAL CYCLONE EMA FORECAST/ADVISORY NUMBER   8
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   CP012019
0900 UTC MON OCT 14 2019
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 25.4N 168.3W AT 14/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT  15 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1009 MB
MAX SUSTAINED WINDS  30 KT WITH GUSTS TO  40 KT.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 25.4N 168.3W AT 14/0900Z
AT 14/0600Z CENTER WAS LOCATED NEAR 24.7N 168.0W
 
FORECAST VALID 14/1800Z 27.4N 169.1W...POST-TROP/REMNT LOW
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 15/0600Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.4N 168.3W
 
THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE CENTRAL PACIFIC
HURRICANE CENTER ON EMA. ADDITIONAL INFORMATION ON THE
POST-TROPICAL REMNANT LOW CAN BE FOUND IN THE HIGH SEAS FORECASTS
ISSUED BY THE NATIONAL WEATHER SERVICE IN HONOLULU UNDER AWIPS
HEADER HFOHSFNP...AND WMO HEADER FZPN40 PHFO.
 
$$
FORECASTER JELSEMA
 
 


 

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