WTXS32 PGTW 240900 RRA

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 035

   01 ACTIVE TROPICAL CYCLONE IN SOUTHIO

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   240600Z --- NEAR 26.9S 107.6E

     MOVEMENT PAST SIX HOURS - 170 DEGREES AT 16 KTS

     POSITION ACCURATE TO WITHIN 020 NM

     POSITION BASED ON CENTER LOCATED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER

   RADIUS OF 034 KT WINDS - 235 NM NORTHEAST QUADRANT

                            235 NM SOUTHEAST QUADRANT

                            170 NM SOUTHWEST QUADRANT

                            195 NM NORTHWEST QUADRANT

   REPEAT POSIT: 26.9S 107.6E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   241800Z --- 29.0S 108.2E

   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER

    ---

REMARKS:

240900Z POSITION NEAR 27.4S 107.7E.

TROPICAL CYCLONE 15S (MARCUS), LOCATED APPROXIMATELY 449 NM SOUTHWEST

OF LEARMONTH, AUSTRALIA, HAS TRACKED SOUTHWARD AT 16 KNOTS OVER THE

PAST SIX HOURS. ANIMATED MSI SHOWS THE FULLY EXPOSED LLC HAS BECOME

MORE RAGGED AND ELONGATED AS THE MAIN CONVECTION HAS SIGNIFICANTLY

ERODED AND SHEARED SOUTHEASTWARD. THE INITIAL POSITION IS BASED ON

THE LLC IN THE MSI LOOP THAT COINCIDED WELL WITH THE LOW REFLECTIVITY

CIRCULATION FEATURE IN THE 240554Z ATMS MICROWAVE IMAGE. THE INITIAL