****0000009877****
WTXS51 PGTW 270900

WARNING    ATCG MIL 27S SIO 250327075258

2025032706 27S COURTNEY   010  01 275 10 SATL 060

T000 168S 1000E 080 R064 020 NE QD 030 SE QD 035 SW QD 020 NW QD R050 030 NE QD 045 SE QD 050 SW QD 040 NW QD R034 065 NE QD 080 SE QD 095 SW QD 080 NW QD

T012 167S 0980E 085 R064 000 NE QD 020 SE QD 030 SW QD 010 NW QD R050 020 NE QD 040 SE QD 040 SW QD 030 NW QD R034 060 NE QD 080 SE QD 090 SW QD 070 NW QD

T024 169S 0958E 095 R064 000 NE QD 030 SE QD 000 SW QD 000 NW QD R050 020 NE QD 040 SE QD 030 SW QD 020 NW QD R034 060 NE QD 090 SE QD 090 SW QD 070 NW QD

T036 174S 0935E 100 R064 000 NE QD 020 SE QD 020 SW QD 020 NW QD R050 020 NE QD 040 SE QD 040 SW QD 030 NW QD R034 060 NE QD 090 SE QD 090 SW QD 060 NW QD

T048 181S 0912E 100 R064 020 NE QD 020 SE QD 020 SW QD 010 NW QD R050 030 NE QD 040 SE QD 040 SW QD 030 NW QD R034 070 NE QD 090 SE QD 090 SW QD 060 NW QD

T072 202S 0880E 090 R064 020 NE QD 020 SE QD 020 SW QD 020 NW QD R050 030 NE QD 040 SE QD 040 SW QD 030 NW QD R034 080 NE QD 090 SE QD 080 SW QD 060 NW QD

T096 224S 0872E 075 R064 010 NE QD 020 SE QD 030 SW QD 010 NW QD R050 020 NE QD 030 SE QD 040 SW QD 020 NW QD R034 090 NE QD 100 SE QD 090 SW QD 070 NW QD

T120 237S 0870E 055 R050 050 NE QD 050 SE QD 050 SW QD 050 NW QD R034 040 NE QD 130 SE QD 100 SW QD 060 NW QD

AMP

SUBJ:  TROPICAL CYCLONE 27S (COURTNEY) WARNING NR 010

1. TROPICAL CYCLONE 27S (COURTNEY) WARNING NR 010

   01 ACTIVE TROPICAL CYCLONE IN SOUTHIO

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   270600Z --- NEAR 16.8S 100.0E

     MOVEMENT PAST SIX HOURS - 275 DEGREES AT 10 KTS

     POSITION ACCURATE TO WITHIN 060 NM

     POSITION BASED ON CENTER LOCATED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT

                            030 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            020 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT

                            045 NM SOUTHEAST QUADRANT

                            050 NM SOUTHWEST QUADRANT

                            040 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT

                            080 NM SOUTHEAST QUADRANT

                            095 NM SOUTHWEST QUADRANT

                            080 NM NORTHWEST QUADRANT

   REPEAT POSIT: 16.8S 100.0E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   271800Z --- 16.7S 98.0E

   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 000 NM NORTHEAST QUADRANT

                            020 NM SOUTHEAST QUADRANT

                            030 NM SOUTHWEST QUADRANT

                            010 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            030 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT

                            080 NM SOUTHEAST QUADRANT

                            090 NM SOUTHWEST QUADRANT

                            070 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 265 DEG/ 11 KTS

    ---

   24 HRS, VALID AT:

   280600Z --- 16.9S 95.8E

   MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 000 NM NORTHEAST QUADRANT

                            030 NM SOUTHEAST QUADRANT

                            000 NM SOUTHWEST QUADRANT

                            000 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            030 NM SOUTHWEST QUADRANT

                            020 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT

                            090 NM SOUTHEAST QUADRANT

                            090 NM SOUTHWEST QUADRANT

                            070 NM NORTHWEST QUADRANT

   VECTOR TO 36 HR POSIT: 255 DEG/ 11 KTS

    ---

   36 HRS, VALID AT:

   281800Z --- 17.4S 93.5E

   MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 000 NM NORTHEAST QUADRANT

                            020 NM SOUTHEAST QUADRANT

                            020 NM SOUTHWEST QUADRANT

                            020 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            030 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT

                            090 NM SOUTHEAST QUADRANT

                            090 NM SOUTHWEST QUADRANT

                            060 NM NORTHWEST QUADRANT

   VECTOR TO 48 HR POSIT: 250 DEG/ 11 KTS

    ---

   EXTENDED OUTLOOK:

   48 HRS, VALID AT:

   290600Z --- 18.1S 91.2E

   MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT

                            020 NM SOUTHEAST QUADRANT

                            020 NM SOUTHWEST QUADRANT

                            010 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            030 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT

                            090 NM SOUTHEAST QUADRANT

                            090 NM SOUTHWEST QUADRANT

                            060 NM NORTHWEST QUADRANT

   VECTOR TO 72 HR POSIT: 235 DEG/ 09 KTS

    ---

   72 HRS, VALID AT:

   300600Z --- 20.2S 88.0E

   MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT

                            020 NM SOUTHEAST QUADRANT

                            020 NM SOUTHWEST QUADRANT

                            020 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            030 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT

                            090 NM SOUTHEAST QUADRANT

                            080 NM SOUTHWEST QUADRANT

                            060 NM NORTHWEST QUADRANT

   VECTOR TO 96 HR POSIT: 200 DEG/ 06 KTS

    ---

   LONG RANGE OUTLOOK:

    ---

   96 HRS, VALID AT:

   310600Z --- 22.4S 87.2E

   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 010 NM NORTHEAST QUADRANT

                            020 NM SOUTHEAST QUADRANT

                            030 NM SOUTHWEST QUADRANT

                            010 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT

                            030 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            020 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT

                            100 NM SOUTHEAST QUADRANT

                            090 NM SOUTHWEST QUADRANT

                            070 NM NORTHWEST QUADRANT

   VECTOR TO 120 HR POSIT: 190 DEG/ 03 KTS

    ---

   120 HRS, VALID AT:

   010600Z --- 23.7S 87.0E

   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT

                            050 NM SOUTHEAST QUADRANT

                            050 NM SOUTHWEST QUADRANT

                            050 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT

                            130 NM SOUTHEAST QUADRANT

                            100 NM SOUTHWEST QUADRANT

                            060 NM NORTHWEST QUADRANT

    ---

REMARKS:

270900Z POSITION NEAR 16.8S 99.5E.

27MAR25. TROPICAL CYCLONE 27S (COURTNEY), LOCATED APPROXIMATELY

330 NM SOUTH-SOUTHEAST OF THE COCOS ISLANDS, HAS TRACKED WESTWARD

AT 10 KNOTS OVER THE PAST SIX HOURS.

MINIMUM CENTRAL PRESSURE AT 270600Z IS 973 MB. MAXIMUM

SIGNIFICANT WAVE HEIGHT AT 270600Z IS 33 FEET. NEXT WARNINGS AT

272100Z AND 280900Z.

//

2725032100 154S1121E  15

2725032106 152S1124E  15

2725032112 148S1128E  20

2725032118 145S1134E  25

2725032200 138S1140E  25

2725032206 136S1148E  25

2725032212 134S1152E  25

2725032218 130S1153E  25

2725032300 129S1154E  25

2725032306 133S1150E  25

2725032312 139S1145E  25

2725032318 145S1139E  25

2725032400 153S1132E  30

2725032406 160S1120E  30

2725032412 165S1111E  35

2725032418 166S1105E  40

2725032500 167S1100E  40

2725032506 168S1092E  40

2725032512 170S1083E  40

2725032518 173S1072E  45

2725032600 177S1054E  55

2725032600 177S1054E  55

2725032606 177S1041E  60

2725032606 177S1041E  60

2725032612 175S1032E  70

2725032612 175S1032E  70

2725032612 175S1032E  70

2725032618 173S1022E  70

2725032618 173S1022E  70

2725032618 173S1022E  70

2725032700 169S1010E  75

2725032700 169S1010E  75

2725032700 169S1010E  75

2725032706 168S1000E  80

2725032706 168S1000E  80

2725032706 168S1000E  80

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