** WTSR20 WSSS 200600 *** NO STORM WARNING= ** WTXS21 PGTW 201330 *** MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE FORMATION ALERT 180851ZOCT06// REF/A/RMG/NAVPACMETOCCEN PEARL HARBOR HI/191321Z OCT 06// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW 191330)// RMKS/ 1. REMARKS: THIS CANCELS REF A (WTXS21 PGTW 191330). THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 2.9S 59.6E IS NOW LOCATED NEAR 3.3S 60.5E, APPROXIMATELY 970 NM EAST-SOUTHEAST OF MOGADISHU, SOMALIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A FULLY-EXPOSED, WEAKENING LOW LEVEL CIRCULATION CENTER WITH DEEP CONVECTION SHEARING OFF TO THE SOUTHWEST. A 200341Z SSMIS IMAGE DEPICTED ISOLATED, POORLY-ORGANIZED DEEP CONVECTION DISPLACED SOUTHWEST OF THE CENTER. UPPER LEVEL ANALYSIS SHOWED MODERATE, EAST-NORTHEASTERLY VERTICAL WIND SHEAR AND WEAK DIVERGENCE ALOFT. MAXIMUM SUSTAINED WINDS ARE ESTIMATED AT 20 TO 25 KTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. BASED ON THE MARGINAL ENVIRONMENT AND RAPIDLY WEAKENING LOW LEVEL CIRCULATION CENTER, THE POTENTIAL FOR DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS DOWNGRADED TO POOR.// ** WTXS21 PGTW 201330 COR *** MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE FORMATION ALERT CANCELATION/201321ZOCT2006// REF/A/MSG/NAVPACMETOCCEN PEARL HARBOR HI/191321Z OCT 06// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW 191330)// RMKS/ 1. REMARKS: THIS CANCELS REF A (WTXS21 PGTW 191330). THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 2.9S 59.6E IS NOW LOCATED NEAR 3.3S 60.5E, APPROXIMATELY 970 NM EAST-SOUTHEAST OF MOGADISHU, SOMALIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A FULLY-EXPOSED, WEAKENING LOW LEVEL CIRCULATION CENTER WITH DEEP CONVECTION SHEARING OFF TO THE SOUTHWEST. A 200341Z SSMIS IMAGE DEPICTED ISOLATED, POORLY-ORGANIZED DEEP CONVECTION DISPLACED SOUTHWEST OF THE CENTER. UPPER LEVEL ANALYSIS SHOWED MODERATE, EAST-NORTHEASTERLY VERTICAL WIND SHEAR AND WEAK DIVERGENCE ALOFT. MAXIMUM SUSTAINED WINDS ARE ESTIMATED AT 20 TO 25 KTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. BASED ON THE MARGINAL ENVIRONMENT AND RAPIDLY WEAKENING LOW LEVEL CIRCULATION CENTER, THE POTENTIAL FOR DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS DOWNGRADED TO POOR. 2. JUSTIFICATION FOR CORRECTION: CORRECTED REFERENCE IN SUBJ HEADER.// ** WTXS21 PGTW 201330 COR *** MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE FORMATION ALERT CANCELLATION/201321ZOCT2006// REF/A/MSG/NAVPACMETOCCEN PEARL HARBOR HI/191321Z OCT 06// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW 191330)// RMKS/ 1. REMARKS: THIS CANCELS REF A (WTXS21 PGTW 191330). THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 2.9S 59.6E IS NOW LOCATED NEAR 3.3S 60.5E, APPROXIMATELY 970 NM EAST-SOUTHEAST OF MOGADISHU, SOMALIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A FULLY-EXPOSED, WEAKENING LOW LEVEL CIRCULATION CENTER WITH DEEP CONVECTION SHEARING OFF TO THE SOUTHWEST. A 200341Z SSMIS IMAGE DEPICTED ISOLATED, POORLY-ORGANIZED DEEP CONVECTION DISPLACED SOUTHWEST OF THE CENTER. UPPER LEVEL ANALYSIS SHOWED MODERATE, EAST-NORTHEASTERLY VERTICAL WIND SHEAR AND WEAK DIVERGENCE ALOFT. MAXIMUM SUSTAINED WINDS ARE ESTIMATED AT 20 TO 25 KTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. BASED ON THE MARGINAL ENVIRONMENT AND RAPIDLY WEAKENING LOW LEVEL CIRCULATION CENTER, THE POTENTIAL FOR DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS DOWNGRADED TO POOR. 2. JUSTIFICATION FOR CORRECTION: CORRECTED REFERENCE IN SUBJ HEADER.// ** WTNT80 EGRR 201640 *** MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 20.10.2006 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 48 HOURS FORECAST POSITION AT T+ 48 : 16.0N 108.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.10.2006 16.0N 108.3W WEAK 00UTC 23.10.2006 15.9N 108.8W WEAK LITTLE CHANGE 12UTC 23.10.2006 17.0N 108.9W WEAK LITTLE CHANGE 00UTC 24.10.2006 18.6N 110.0W WEAK LITTLE CHANGE 12UTC 24.10.2006 20.2N 110.4W WEAK LITTLE CHANGE 00UTC 25.10.2006 21.3N 110.6W WEAK LITTLE CHANGE 12UTC 25.10.2006 BELOW TROPICAL STORM STRENGHT THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT MET OFFICE, EXETER, UK TOO 201640