000 AXPZ20 KNHC 241502 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1605 UTC FRI JUN 24 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 1200 UTC. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH IS ALONG 11N86W 16N103W 6N130W. INTERTROPICAL CONVERGENCE ZONE FROM 6N130W 5N140W. NUMEROUS STRONG CONVECTION WITHIN 220 NM S AND 90 NM N OF AXIS FROM 86W-91W. SCATTERED MODERATE/STRONG CONVECTION WITHIN 180 NM N OF AXIS FROM 93W-97W. ...DISCUSSION... A LARGE ELONGATED UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED NEAR 28N119W WITH A RIDGE SW TO 21N135W. THIS UPPER FEATURE DOMINATES THE NW HALF OF AREA. MODERATE TO STRONG SUBSIDENCE WITH DRY STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS N 20N E OF 120W AND N OF 10N W OF 120W. AN UPPER TROUGH IS APPROACHING THE FAR NW PORTION OF THE DISCUSSION AREA. A NARROW UPPER LEVEL TROUGH EXTENDS FROM THE TEXAS BIG BEND SW ACROSS NW MEXICO TO THE SOUTHERN BAJA PENINSULA. THIS TROUGH SEPARATES THE ABOVE MENTIONED ANTICYCLONE TO A SECOND UPPER ANTICYCLONIC CIRCULATION ALONG THE COAST OF MEXICO NEAR 21N104W. UPPER DIFFLUENT ELY FLOW S OF THE ANTICYCLONE IS ENHANCING STRONG CONVECTIVE ACTIVITY ALONG THE COAST OF PANAMA AND NICARAGUA. BROAD SURFACE RIDGE COVERS THE AREA N OF 15N AND W OF 115W. LOW LEVEL SOUTHERLY WINDS TO 20 KT CONTINUE FROM 05N TO 09N BETWEEN 84W AND 91W...WITH 8-10 FT SW SWELL S OF 10N BETWEEN 80W AND 125W. THESE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THE NEXT COUPLE OF DAYS. $$ DGS 000 AXPZ20 KNHC 241502 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1605 UTC FRI JUN 24 2011 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1200 UTC. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH IS ALONG 11N86W 16N103W 6N130W. INTERTROPICAL CONVERGENCE ZONE FROM 6N130W 5N140W. NUMEROUS STRONG CONVECTION WITHIN 220 NM S AND 90 NM N OF AXIS FROM 86W-91W. SCATTERED MODERATE/STRONG CONVECTION WITHIN 180 NM N OF AXIS FROM 93W-97W. ...DISCUSSION... A LARGE ELONGATED UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED NEAR 28N119W WITH A RIDGE SW TO 21N135W. THIS UPPER FEATURE DOMINATES THE NW HALF OF AREA. MODERATE TO STRONG SUBSIDENCE WITH DRY STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS N 20N E OF 120W AND N OF 10N W OF 120W. AN UPPER TROUGH IS APPROACHING THE FAR NW PORTION OF THE DISCUSSION AREA. A NARROW UPPER LEVEL TROUGH EXTENDS FROM THE TEXAS BIG BEND SW ACROSS NW MEXICO TO THE SOUTHERN BAJA PENINSULA. THIS TROUGH SEPARATES THE ABOVE MENTIONED ANTICYCLONE TO A SECOND UPPER ANTICYCLONIC CIRCULATION ALONG THE COAST OF MEXICO NEAR 21N104W. UPPER DIFFLUENT ELY FLOW S OF THE ANTICYCLONE IS ENHANCING STRONG CONVECTIVE ACTIVITY ALONG THE COAST OF PANAMA AND NICARAGUA. BROAD SURFACE RIDGE COVERS THE AREA N OF 15N AND W OF 115W. LOW LEVEL SOUTHERLY WINDS TO 20 KT CONTINUE FROM 05N TO 09N BETWEEN 84W AND 91W...WITH 8-10 FT SW SWELL S OF 10N BETWEEN 80W AND 125W. THESE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THE NEXT COUPLE OF DAYS. $$ DGS