000 AXPZ20 KNHC 112142 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC FRI SEP 11 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2100 UTC. ...TROPICAL WAVES... A TROPICAL WAVE IS ALONG 93W N OF 08N MOVING W AT AROUND 20 KT. ONLY ISOLATED CONVECTION AND SCATTERED SHOWERS NOW ACCOMPANY THE WAVE. THE WAVE COINCIDES WITH BROAD 700 MB TROUGHING BETWEEN 89W-95W AND 850 MB RELATIVE VORTICITY MAXIMUM FROM 08N-12N. TROPICAL MOISTURE IS ALSO EVIDENT ON TOTAL PRECIPITABLE WATER SATELLITE IMAGERY. A TROPICAL WAVE IS ALONG 104W FROM 09N-15W MOVING W AROUND 10-15 KT. CONVECTION IS LIMITED WITH THIS WAVE WITH ISOLATED TSTMS AND SCATTERED SHOWERS ACCOMPANYING IT. THE WAVE COINCIDES WITH 700 MB TROUGHING BETWEEN 97W-103W WITH 850 MB RELATIVE VORTICITY MAXIMUM NOTED FROM 10N-14N. DEEP TROPICAL MOISTURE IS ALSO EVIDENT ON TOTAL PRECIPITABLE WATER SATELLITE IMAGERY ALONG THE WAVE AXIS. A TROPICAL WAVE IS ALONG 109W FROM 08N-15N MOVING W AT AROUND 10- 15 KT. ISOLATED MODERATE CONVECTION IS ACCOMPANYING THE WAVE. THE WAVE COINCIDES WITH 700 MB TROUGHING BETWEEN 109W AND 113W AND 850 MB RELATIVE VORTICITY MAXIMUM NOTED FROM 07N-13N. DEEP TROPICAL MOISTURE IS ALSO EVIDENT ON TOTAL PRECIPITABLE WATER SATELLITE IMAGERY ALONG THE WAVE AXIS. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH AXIS EXTENDS FROM 09N80W TO 08N89W TO 10N100W TO 07N110W TO 10N120W. A TROUGH AXIS EXTENDS FROM 11N123W TO 13N130W TO 10N140W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS FROM 04N TO 10N BETWEEN 81W AND 87W...FROM 08N TO 15N BETWEEN 97W AND 101W...FROM 10N TO 13N BETWEEN 121W AND 130W...AND ALSO FROM 10N TO 12N BETWEEN 131W AND 135W. ALSO...SCATTERED MODERATE CONVECTION IS FROM 18N TO 22N BETWEEN 105W AND 109W WHICH IS AN AREA UNDER UPPER LEVEL DIFFLUENCE. ...DISCUSSION... LOW PRES OF 1004 MB...THE REMNANT LOW OF LINDA...IS CENTERED NEAR 27N120.5W. WHILE THE LOW IS NO LONGER TROPICAL...AN AREA OF FRESH TO STRONG WINDS REMAINS WITHIN 180 NM IN THE N SEMICIRCLE ALONG WITH 8-10 FT SEAS. THE REMNANT LOW OF LINDA WILL GRADUALLY SPIN DOWN WITH ASSOCIATED WINDS 20 KT OR LESS BY 24 HOURS...AND ASSOCIATED SEAS BARELY TO 8 FT BY 48 HOURS. MOISTURE ASSOCIATED WITH THE REMNANT LOW OF LINDA CONTINUES TO SPREAD NORTHWARD INTO NORTHERN BAJA CALIFORNIA AND PORTIONS OF THE SW U.S. WHICH MAY TRIGGER SOME ADDITIONAL SHOWERS AND TSTM ACTIVITY TONIGHT INTO SAT. SWELLS FROM LINDA WILL CONTINUE TO PROPAGATE TOWARD THE NORTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA...AS WELL AS TOWARD THE U.S. SOUTHERN CALIFORNIA COASTLINE. THESE SWELLS WILL RESULT IN A HIGH RISK OF RIP CURRENTS AND DANGEROUS HIGH SURF THROUGH SAT...GRADUALLY SUBSIDING INTO SUN. PLEASE CONSULT YOUR LOCAL NWS WEATHER FORECAST OFFICE FOR ADDITIONAL DETAILS ON THESE CONDITIONS. A 1026 MB SURFACE HIGH CENTERED WELL N OF THE DISCUSSION WATERS NEAR 43N138W EXTENDS A RIDGE ACROSS THE NW CORNER OF THE FORECAST AREA. MAINLY MODERATE TO LOCALLY FRESH WINDS COVER THE WATERS W OF 120W...WITH LIGHT TO MODERATE WINDS E OF 120W. SEAS ACROSS THE WATERS W OF 120W ARE RUNNING GENERALLY 5-7 FT IN A BROAD MIX OF SWELL...WHILE CROSS EQUATORIAL 4-7 FT SW SWELL DOMINATES THE REMAINDER OF THE FORECAST REGION. FARTHER SOUTH...A PAIR OF 1009 MB WEAK LOWS ARE NOTED...ONE IS LOCATED NEAR 14.5N117W WITH A TROUGH EXTENDING NORTHWARD TO 19N117W AND THE OTHER IS NEAR 15N137W. THE LATTER LOW IS LIKELY IN THE PROCESS OF DISSIPATING INTO AN OPEN TROUGH AS INDICATED BY A RECENT SCATTEROMETER PASS...WHILE THE EASTERNMOST LOW WILL MOVE TO THE WSW AT AROUND 10-15 KT DURING THE NEXT 24 HOURS. $$ LEWITSKY