000 
ACPA40 PHFO 232140
TWDPA 

TROPICAL WEATHER DISCUSSION
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
2200 UTC FEBRUARY 23 2004

CENTRAL NORTH PACIFIC...FROM 30N TO EQUATOR BETWEEN 140W AND 180
CENTRAL SOUTH PACIFIC...FROM 25S TO EQUATOR BETWEEN 120W AND 180

BASED ON METEOROLOGICAL ANALYSIS THROUGH 1800 UTC AND SATELLITE 
IMAGERY THROUGH 2100 UTC. MOVEMENTS AND TRENDS PAST 24 HOURS 
UNLESS STATED OTHERWISE.

TROPICAL CYCLONES/DISTURBANCES...
NONE.

OTHER SIGNIFICANT FEATURES...
ITCZ...06N140W 08N155W 07N163W 04N174W AND EXTENDING EAST OF 140W. 
ISOLATED CB WITHIN 40NM OF LINE 06N166W 06N170W 05N172W AND  
ISOLATED TCU ELSEWHERE WITHIN 90NM OF ITCZ HAVE MOVED WEST AT 
15KT...WEAKENED AND DECREASED IN AREA. 

FRONT/SHEARLINE...30N148W 29N154W 27N160W AND EXTENDING NORTH OF 
30N AND CONTINUING AS SHEARLINE TO 19N180. SHOWERY BROKEN TO 
OVERCAST LOW CLOUDS WITHIN 60NM OF FRONT/SHEARLINE EAST OF 170W HAVE 
MOVED SOUTHEAST SLOWLY WITH LITTLE CHANGE. ISOLATED CB WITHIN 20NM 
OF LINE 23N171W 21N177W 18N179W AND OVERCAST LAYERED CLOUDS 
ELSEWHERE WITHIN 100NM OF SHEARLINE WEST OF 170W HAVE MOVED 
SOUTHEAST SLOWLY AND INTENSIFIED.

MAIN HAWAIIAN ISLANDS...KAUAI TO THE BIG ISLAND OF HAWAII...
NO ACTIVE CONVECTION. SCATTERED TO BROKEN LOW CLOUDS. FOR 
DETAILS...SEE THE LATEST HAWAIIAN ISLANDS SATELLITE INTERPRETATION 
MESSAGE WITH WMO HEADER ATHW40 PHFO AND AWIPS HEADER HFOSIMHI.

NORTHWEST HAWAIIAN ISLANDS...KURE ATOLL TO NIHOA INCLUDING MIDWAY... 
SEE OTHER SIGNIFICANT FEATURES SECTION ABOVE...FRONT.

JOHNSTON ISLAND...
NO ACTIVE CONVECTION. SCATTERED TO BROKEN LOW CLOUDS.

ELSEWHERE...
NIL.


CENTRAL SOUTH PACIFIC

TROPICAL CYCLONES/DISTURBANCES...
NIL.

OTHER SIGNIFICANT FEATURES...
CONVERGENCE ZONE...NEW ISOLATED CB HAVE FORMED BOUNDED BY 21S149W 
22S144W 27S144W 25S151W 21S149W

LOW/TROUGH...TROUGH 25S153W THROUGH LOW 09S178W TO 11S180. ISOLATED 
CB WITHIN 60NM OF LINE 21S162W 17S163W 06S180 HAVE MOVED SOUTH AT 
5KT AND INTENSIFIED.

AMERICAN SAMOA AND THE INDEPENDENT STATE OF SAMOA...
SEE OTHER SIGNIFICANT FEATURES...LOW/TROUGH.

ELSEWHERE...
NEW ISOLATED CB HAVE FORMED WITHIN 40NM OF LINE 04S143W 07S157W 
04S157W.

$$
DONALDSON