000
AXPZ20 KNHC 060252
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC SAT JUN 06 2015

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM  
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC. 

...SPECIAL FEATURES...

HURRICANE BLANCA CENTERED NEAR 16.1N 108.3W AT 06/0300 UTC OR 
ABOUT 287 NM SW OF MANZANILLO MEXICO AND 417 NM SSE OF CABO SAN 
LUCAS MEXICO MOVING NW AT 9 KT. ESTIMATED MINIMUM CENTRAL 
PRESSURE IS 971 MB. MAXIMUM SUSTAINED WIND SPEED IS 85 KT WITH 
GUSTS TO 105 KT. SEE LATEST NHC FORECAST/ADVISORY UNDER 
AWIPS/WMO HEADERS MIATCMEP2/WTPZ22. NUMEROUS STRONG CONVECTION 
IS FROM 13N TO 18N BETWEEN 105W AND 110W. ELSEWHERE SCATTERED 
MODERATE ISOLATED STRONG CONVECTION IS FROM 11N TO 19N BETWEEN 
105W AND 112W...AND FROM 05N TO 08N BETWEEN 101W AND 105W. ON 
THIS TRACK BLANCA WILL APPROACH THE SOUTHERN BAJA CALIFORNIA 
PENINSULA ON SUN. SWELLS GENERATED BY BLANCA ARE PRESENTLY 
AFFECTING THE SW COAST OF MEXICO AND THE PACIFIC COAST OF THE 
BAJA CALIFORNIA PENINSULA AND THE SOUTHERN GULF OF CALIFORNIA. 
THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP 
CURRENT CONDITIONS.

...TROPICAL WAVES/LOWS...

A TROPICAL WAVE EXTENDS FROM 15N95W TO 03N95W MOVING W AT  
AROUND 5-10 KT. CONVECTION AROUND THE WAVE HAS RECENTLY 
WEAKENED. WIDELY SCATTERED MODERATE REMAINS WITHIN 120 NM OF THE 
WAVE AXIS. 

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE ITCZ EXTENDS FROM 08N129W TO 03N140W. WIDELY SCATTERED 
MODERATE CONVECTION IS WITHIN 60 NM OF THE AXIS. 

SCATTERED MODERATE ISOLATED STRONG CONVECTION IS FROM 02N TO 15N 
BETWEEN 82W AND 88W. THIS CONVECTION IS BEING ENHANCED BY UPPER 
LEVEL DIFFLUENCE.

...DISCUSSION...

A 1027 MB HIGH IS LOCATED N OF THE DISCUSSION AREA NEAR 38N138W 
WITH A RIDGE AXIS EXTENDING SE TO 25N115W. THE REMNANT 1007 MB 
LOW OF ANDRES IS LOCATED NEAR 19N122W AND IS DRIFTING TO THE SE. 
FRESH TO STRONG WINDS ARE OCCURRING WITHIN 240 NM IN THE NW 
SEMICIRCLE OF THE LOW. COMBINED SEAS ARE STILL 8 TO 11 FT. THE 
LOW WILL GRADUALLY SPINS DOWN THE ASSOCIATED WINDS AND SEAS AND 
SUBSIDE THROUGH 48 HOURS.

THE COMBINATION OF THE RIDGING AND LOW PRES TROUGHING OVER 
INTERIOR CALIFORNIA IS RESULTING IN A TIGHT PRES GRADIENT 
OFFSHORE OF NORTH AND CENTRAL CALIFORNIA...WHERE A GALE WARNING 
IS IN EFFECT. THESE WINDS N OF THE AREA ARE SENDING FRESHLY 
GENERATED NORTHERLY SWELL INTO THE FAR N CENTRAL WATERS N OF 29N 
BETWEEN 125W AND 130W. THESE SEAS WILL LINGER N OF 29N THROUGH 
24 HOURS.

CROSS EQUATORIAL SWELL OF 8 FT OR GREATER IS MIXING WITH SWELLS 
FROM ANDRES AND BLANCA ACROSS THE S CENTRAL AND SE WATERS. THESE 
COMBINED AND CONFUSED SEAS WILL SPREAD TO THE NE REACHING 10N BY 
48 HOURS ACROSS THE EASTERN WATERS.
 
$$ 
FORMOSA