000 AXPZ20 KNHC 052109 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC TUE JUL 05 2011 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1330 UTC. ...ITCZ/MONSOON TROUGH... MONSOON TROUGH AXIS LIES FROM 13N89W TO 12N97W TO 15N104W TO 09N112W TO 05N140W. SCATTERED MODERATE TO STRONG WITHIN 180 NM EITHER SIDE OF AXIS BETWEEN 92W AND 100W. SCATTERED MODERATE WITHIN 120 NM S OF AXIS BETWEEN 113W AND 125W. ...DISCUSSION... THE 1027 MB SUBTROPICAL HIGH WAS ANALYZED N OF THE AREA NEAR 37N139W. THE HIGH IS FORECAST TO INTENSIFY AS IT MERGES WITH ANOTHER HIGH PRES SYSTEM TO ITS NW BEHIND BY WED NIGHT. THE 1856 UTC ASCAT PASS INDICATE FRESH NE WINDS NW OF LINE 24N140W TO 30N127W. THIS AREA OF FRESH WINDS IS FORECAST TO STRENGTHEN WED NIGHT. WIDESPREAD SCATTERED MODERATE CONVECTION LIES N OF 02N E OF 85W. THIS CONVECTION LIES IN FAVORED REGION FOR CONVECTION IN THE SW FLOW S OF THE MONSOON TROUGH AXIS. NE WINDS AHEAD OF A TROPICAL WAVE IN THE NW CARIBBEAN ARE FUNNELING THROUGH THE ISTHMUS OF TEHUANTEPEC INTO THE PACIFIC. FRESH N-NE GAP WINDS THROUGH THE GULF OF TEHAUNTEPEC WERE CAPTURED BY THE 1536 UTC ASCAT PASS. THESE WINDS ARE FORECAST TO PERSIST INTO WED AND DIMINISH BY THU MORNING AS THE TROPICAL WAVE MOVES W. THE WINDS HAVE PERTURBED THE MONSOON TROUGH...WITH SCATTERED MODERATE TO STRONG CONVECTION N OF 10N BETWEEN 93W AND 100W. MODEL GUIDANCE INDICATES THIS INTERACTION OF THE TROPICAL WAVE...TOPOGRAPHY OF CENTRAL AMERICA...AND THE MONSOON TROUGH WILL RESULT IN A CYCLONIC GYRE WITHIN THE MONSOON TROUGH OVER THE NEXT FEW DAYS. CROSS-EQUATORIAL SE SWELLS FROM HAVE MOVED INTO S CENTRAL WATERS WHERE THEY ARE FORECAST TO REMAIN S OF 10N THROUGH THU MORNING. SIGNIFICANT WAVE HEIGHTS WILL REACH AS HIGH AS 9 FT BY WED MORNING AS SW SWELL ALSO PROPAGATES INTO THE AREA. $$ AL 000 AXPZ20 KNHC 052109 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC TUE JUL 05 2011 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1330 UTC. ...ITCZ/MONSOON TROUGH... MONSOON TROUGH AXIS LIES FROM 13N89W TO 12N97W TO 15N104W TO 09N112W TO 05N140W. SCATTERED MODERATE TO STRONG WITHIN 180 NM EITHER SIDE OF AXIS BETWEEN 92W AND 100W. SCATTERED MODERATE WITHIN 120 NM S OF AXIS BETWEEN 113W AND 125W. ...DISCUSSION... THE 1027 MB SUBTROPICAL HIGH WAS ANALYZED N OF THE AREA NEAR 37N139W. THE HIGH IS FORECAST TO INTENSIFY AS IT MERGES WITH ANOTHER HIGH PRES SYSTEM TO ITS NW BEHIND BY WED NIGHT. THE 1856 UTC ASCAT PASS INDICATE FRESH NE WINDS NW OF LINE 24N140W TO 30N127W. THIS AREA OF FRESH WINDS IS FORECAST TO STRENGTHEN WED NIGHT. WIDESPREAD SCATTERED MODERATE CONVECTION LIES N OF 02N E OF 85W. THIS CONVECTION LIES IN FAVORED REGION FOR CONVECTION IN THE SW FLOW S OF THE MONSOON TROUGH AXIS. NE WINDS AHEAD OF A TROPICAL WAVE IN THE NW CARIBBEAN ARE FUNNELING THROUGH THE ISTHMUS OF TEHUANTEPEC INTO THE PACIFIC. FRESH N-NE GAP WINDS THROUGH THE GULF OF TEHAUNTEPEC WERE CAPTURED BY THE 1536 UTC ASCAT PASS. THESE WINDS ARE FORECAST TO PERSIST INTO WED AND DIMINISH BY THU MORNING AS THE TROPICAL WAVE MOVES W. THE WINDS HAVE PERTURBED THE MONSOON TROUGH...WITH SCATTERED MODERATE TO STRONG CONVECTION N OF 10N BETWEEN 93W AND 100W. MODEL GUIDANCE INDICATES THIS INTERACTION OF THE TROPICAL WAVE...TOPOGRAPHY OF CENTRAL AMERICA...AND THE MONSOON TROUGH WILL RESULT IN A CYCLONIC GYRE WITHIN THE MONSOON TROUGH OVER THE NEXT FEW DAYS. CROSS-EQUATORIAL SE SWELLS FROM HAVE MOVED INTO S CENTRAL WATERS WHERE THEY ARE FORECAST TO REMAIN S OF 10N THROUGH THU MORNING. SIGNIFICANT WAVE HEIGHTS WILL REACH AS HIGH AS 9 FT BY WED MORNING AS SW SWELL ALSO PROPAGATES INTO THE AREA. $$ AL