000 AXPZ20 KNHC 050920 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC FRI JUN 05 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0845 UTC. ...SPECIAL FEATURES... HURRICANE BLANCA IS CENTERED NEAR 14.3N 106.2W AT 05/0900 UTC OR ABOUT 305 NM S-SW OF MANZANILLO MEXICO AND ABOUT 555 NM S-SE OF CABO SAN LUCAS MEXICO MOVING NW OR 320 DEG AT 9 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 968 MB. MAXIMUM SUSTAINED WIND SPEED IS 90 KT WITH GUSTS TO 110 KT. SCATTERED MODERATE TO STRONG CONVECTION IS FROM 11N-17N BETWEEN 102W-109W. A NW OR N-NW MOTION WITH A SIMILAR FORWARD SPEED IS EXPECTED THROUGH SAT NIGHT. ON THIS TRACK BLANCA WILL APPROACH THE SOUTHERN BAJA CALIFORNIA PENINSULA ON SUN. SWELLS GENERATED BY BLANCA ARE AFFECTING THE SW COAST OF MEXICO AND WILL REACH THE PACIFIC COAST OF THE BAJA CALIFORNIA PENINSULA AND THE SOUTHERN GULF OF CALIFORNIA LATER TODAY. THESE SWELLS ARE LIKELY TO CAUSE LIFE- THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE SEE THE LATEST NHC FORECAST ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP2/WTPZ22 KHNC AND THE PUBLIC ADVISORY UNDER AWIPS/WMO HEADERS MIATCPEP2/WTPZ32 KNHC FOR MORE DETAILS. ...TROPICAL WAVES/LOWS... TROPICAL WAVE EXTENDS FROM 14N94W TO 3N95W MOVING W 5 TO 10 KT OVER THE PAST 24 HOURS. THE SLOW MOVEMENT IS DUE TO LITTLE STEERING CURRENT BECAUSE OF THE PROXIMITY TO HURRICANE BLANCA. SCATTERED MODERATE TO STRONG CONVECTION IS N OF 7N TO MEXICO COAST BETWEEN 90W AND 96W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM 13N123W TO 10N130W. ITCZ EXTENDS FROM 10N130W TO 9N140W. SCATTERED MODERATE TO STRONG CONVECTION IS FROM 1N-8N E OF 80W TO INLAND OVER COLOMBIA. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS WITHIN 120 NM OF LINE FROM 3N96W TO 10N103W. SCATTERED MODERATE CONVECTION IS WITHIN 90 NM N OF MONSOON TROUGH BETWEEN 125W-130W. ...DISCUSSION... THE REMNANTS OF ANDRES IS A 1006 MB LOW CENTERED NEAR 20N124W. THE AREA IS NOW VOID OF ANY DEEP CONVECTION. THIS LOW IS NEAR THE BASE OF AN UPPER TROUGH THAT EXTENDS THROUGH 32N121W TO 18N131W. THE AREA N AND W OF THE REMNANTS OF ANDRES IS A SURFACE RIDGE ANCHORED BY A 1027 MB HIGH N OF THE DISCUSSION AREA NEAR 37N137W. THE PRESSURE GRADIENT BETWEEN THIS SURFACE RIDGE AND LOWER PRESSURE IN THE VICINITY OF 1006 MB LOW IS MAINTAINING FRESH TO STRONG BREEZES NW OF THE LOW. THIS SURFACE RIDGE WILL PERSIST THROUGH THE WEEKEND. THE PRESSURE GRADIENT BETWEEN THIS RIDGE AND THE LOWER PRESSURE OVER THE W CONUS WILL BRING NORTHERLY SWELLS AND SEAS TO 8 FT INTO THE FAR N PORTION OF THE DISCUSSION AREA N OF 29N BETWEEN 126W AND 132W FOR A SHORT TIME BETWEEN EARLY SAT INTO EARLY SUN. CROSS EQUATORIAL SWELL OF 8 FT OR GREATER WILL BEGIN THIS MORNING AND SPREAD N TODAY AND SAT BEFORE MERGING WITH THE SWELL FROM BLANCA ON SAT NIGHT COVERING A VAST AREA S OF 10N BETWEEN 81W AND 121W EXCEPT IN THE LEE OF THE GALAPAGOS ISLANDS. SEAS WILL BE BETWEEN 8 TO 11 FT ON SAT SUBSIDING TO 8 TO 10 FT SAT NIGHT. $$ PAW