000
AXPZ20 KNHC 172130
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SUN APR 17 2011

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W.

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.

...ITCZ...

AXIS EXTENDS FROM 05N87W TO 04N83W TO 07N98W TO 04N112W TO 
06N125W TO 03N140W. SCATTERED MODERATE CONVECTION WITHIN 90 NM 
OF AXIS BETWEEN 121W AND 137W.

...DISCUSSION...

SCATTEROMETER PASS THIS AFTERNOON MISSED EXPECTED AREA OF FRESH 
TO STRONG NW WINDS W OF SOUTHERN CALIFORNIA AND NORTHERN BAJA 
CALIFORNIA. SHIP OBSERVATIONS ARE LACKING IN THE REGION...BUT ONE
SHIP MOVING DOWN THE BAJA COASTLINE AND ANOTHER BUOY NEAR SAN 
DIEGO APPEAR TO INDICATE WINDS HAVE DIMINISHED SIGNIFICANTLY IN 
THE PAST 12 HOURS SINCE THE PREVIOUS ASCAT PASS. RESIDUAL SWELL 
IS EXPECTED TO PERSIST IN NE CORNER OF THE DISCUSSION AREA FOR 
THE NEXT 24 HOURS OR SO...FALLING BELOW 8 FT BY MON AFTERNOON.

OTHER THAN A TINY SPOT OF 20 KT WINDS NEAR 20N130W THE REMAINDER 
OF THE AREA IS DOMINATED BY LIGHT TO MODERATE E-NE TRADE WIND 
FLOW...LIGHT NE WIND WAVES AND SUBSIDING NW SWELL. LITTLE CHANGE 
IS EXPECTED THE NEXT FEW DAYS...AS THE REGION IS CHARACTERIZED BY
BENIGN MARINE CONDITIONS. VERY LONG PERIOD 19-20 SEC SW SWELL 
WILL REACH THE SW PORTION OF THE DISCUSSION AREA TUE AND SWEEP NE
TOWARD THE WEST COAST OF NORTH AMERICA...REACHING THE COASTS OF 
MEXICO AND CENTRAL AMERICA AROUND THU EVENING. HAZARDOUS SURF CAN
BE EXPECTED THU THROUGH FRI NIGHT DUE TO VERY LONG PERIOD WAVES.

$$
MUNDELL