000 AXPZ20 KNHC 212118 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC THU SEP 21 2006 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 2045 UTC. ...ITCZ... INTERTROPICAL CONVERGENCE ZONE...8N78W 8N110W 8N140W. SCATTERED MODERATE CONVECTION IS N OF THE ITCZ E OF 90W AND WITHIN 30 NM OF THE AXIS 123W TO 130W. TROPICAL LOWS... A 1010 MB LOW NEAR 16N106W IS STATIONARY. SCATTERED MODERATE CONVECTION IS OVER THE NW QUADRANT ABOUT 200 NM FROM THE CENTER. CIRCULATION. A 1010 MB LOW...REMNANTS OF TROPICAL DEPRESSION MIRIAM IS DISSIPATING NEAR 24N111W. ...DISCUSSION... UPPER LEVEL LOW PRESSURE STATIONARY NEAR 26N133W. A RIDGE COVERS AREA E OF 130W S OF 28N. THE LOW CENTER IS ENVELOPED IN A LARGE AREA OF TROPICAL MOISTURE WHILE THE RIDGE PROVIDES DRY AIR. ACTIVE CONVECTION CONTINUES ALONG MEXICAN AND CENTRAL AMERICAN COASTS. MID LEVEL CYCLONIC TURNING IS NOTED IN SATELLITE IMAGERY WITH SCATTERED MODERATE TO STRONG CONVECTION TO THE N. GFS INITIALIZES THIS FEATURE A LITTLE TOO FAR E NEAR 92W BUT DOES NOT DEVELOP IT MUCH AS IT MOVES W AT 10 KT. LARGE CLUSTER OF RESIDUAL TSTMS OFF THE COLOMBIAN COAST E OF 82W AND IS GRADUALLY DIMINISHING. SOUTH OF ITCZ...MODERATE TO FRESH CROSS EQUATORIAL FLOW ALONG WITH S TO SLY SWELL IS PRODUCING SEAS 8 TO 10 FT. $$ CHRISTENSEN 000 AXPZ20 KNHC 212118 RRA TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC THU SEP 21 2006 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2045 UTC. ...ITCZ... INTERTROPICAL CONVERGENCE ZONE...8N78W 8N110W 8N140W. SCATTERED MODERATE CONVECTION IS N OF THE ITCZ E OF 90W AND WITHIN 30 NM OF THE AXIS 123W TO 130W. TROPICAL LOWS... A 1010 MB LOW NEAR 16N106W IS STATIONARY. SCATTERED MODERATE CONVECTION IS OVER THE NW QUADRANT ABOUT 200 NM FROM THE CENTER. CIRCULATION. A 1010 MB LOW...REMNANTS OF TROPICAL DEPRESSION MIRIAM IS DISSIPATING NEAR 24N111W. ...DISCUSSION... UPPER LEVEL LOW PRESSURE STATIONARY NEAR 26N133W. A RIDGE COVERS AREA E OF 130W S OF 28N. THE LOW CENTER IS ENVELOPED IN A LARGE AREA OF TROPICAL MOISTURE WHILE THE RIDGE PROVIDES DRY AIR. ACTIVE CONVECTION CONTINUES ALONG MEXICAN AND CENTRAL AMERICAN COASTS. MID LEVEL CYCLONIC TURNING IS NOTED IN SATELLITE IMAGERY WITH SCATTERED MODERATE TO STRONG CONVECTION TO THE N. GFS INITIALIZES THIS FEATURE A LITTLE TOO FAR E NEAR 92W BUT DOES NOT DEVELOP IT MUCH AS IT MOVES W AT 10 KT. LARGE CLUSTER OF RESIDUAL TSTMS OFF THE COLOMBIAN COAST E OF 82W AND IS GRADUALLY DIMINISHING. SOUTH OF ITCZ...MODERATE TO FRESH CROSS EQUATORIAL FLOW ALONG WITH S TO SLY SWELL IS PRODUCING SEAS 8 TO 10 FT. $$ TORRES