Tropical Weather Discussion

000 

abpw10 pgtw 172130
msgid/genadmin/joint typhoon wrncen Pearl Harbor hi//
subj/significant tropical weather advisory for the western and
South Pacific oceans reissued/172130z-180600zaug2018//
ref/a/msg/joint typhoon wrncen Pearl Harbor hi/171951zaug2018//
ref/b/msg/joint typhoon wrncen Pearl Harbor hi/170154zaug2018//
ref/c/msg/joint typhoon wrncen Pearl Harbor hi/171955zaug2018//
ref/d/msg/joint typhoon wrncen Pearl Harbor hi/170153zaug2018//
narr/refs a and c are tropical cyclone warnings. Refs b and d are
tropical cyclone final warnings.//
Rmks/
1. Western North Pacific area (180 to Malay Peninsula):
   a. Tropical cyclone summary:
      (1) at 171800z, tropical depression 23w (twentythree) was
located near 13.3n 155.7e, approximately 337 nm north of oroluk,
and had tracked westward at 18 knots over the past six hours.
Maximum sustained surface winds were estimated at 25 knots gusting
to 35 knots. See ref a (wtpn31 pgtw 172100) for further details.
      (2) at 170000z, tropical storm 21w (Rumbia) was located near
31.3n 120.7e, approximately 41 nm west of Shanghai, China, and had
tracked northwestward at 12 knots over the past six hours. Maximum
sustained surface winds were estimated at 45 knots gusting to 55
knots. See ref b (wtpn34 pgtw 170300) for the final warning on this
system.
      (3) at 171200z, typhoon 22w (Soulik) was located near 23.7n
140.1e, approximately 93 nm southwest of iwo to, and had tracked
north-northwestward at 06 knots over the past six hours. Maximum
sustained surface winds were estimated at 80 knots gusting to 100
knots. See ref c (wtpn35 pgtw 171500) for further details.
      (4) at 170000z, tropical storm 20w (Bebinca) was located near
19.4n 105.5e, approximately 99 nm south- southwest of hanoi,
Vietnam, and had tracked west-southwestward at 10 knots over the
past six hours. Maximum sustained surface winds were estimated at
50 knots gusting to 65 knots. See ref d (wtpn33 pgtw 170300) for
the final warning on this system.
      (5) no other tropical cyclones.
   B. Tropical disturbance summary:
      (1) the area of convection (invest 91w) previously located
near 13.3n 155.7e, is now the subject of a tropical cyclone warning.
See para. 1.A.(1) for further details.
      (2) no other suspect areas.
2. South Pacific area (west coast of South America to 135 east):
   a. Tropical cyclone summary: none.
   B. Tropical disturbance summary: none.
3. Justification for reissue: upgraded area in para 1.B.(1) to
warning status.//
Nnnn

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