Overall Green Tropical Cyclone for EIGHTEEN-26 in China from 20 Aug 2026 18:00 UTC to 21 Aug 2026 00:00 UTC

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Overall Green Tropical Cyclone for EIGHTEEN-26

in China

Global Telecommunication Service

GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones(WT) or Tsunami(WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present.The presence of a GTS message is shown in the homepage with a dedicated icon.

Click on the messages list to visualize on the right the detailed text.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

21/08 02:29 WTPN52PGTW210300

21/08 02:25 WTPN32PGTW210300

20/08 21:49 WTPN52PGTW202100

20/08 21:32 WTPN32PGTW202100

Original Message :

WTPN52 PGTW 210300
WARNING ATCG MIL 18W NWP 260821020647
2026082100 18W EIGHTEEN 002 02 060 02 SATL RADR 030
T000 202N 1086E 030
T012 203N 1086E 030
T024 204N 1086E 030
T036 206N 1087E 030
T048 208N 1088E 030
T060 210N 1090E 030
T072 211N 1092E 030
T096 212N 1093E 025
T120 213N 1094E 020
AMP
096HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
120HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002
1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
210000Z --- NEAR 20.2N 108.6E
MOVEMENT PAST SIX HOURS - 060 DEGREES AT 02 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 20.2N 108.6E
---
FORECASTS:
12 HRS, VALID AT:
211200Z --- 20.3N 108.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 360 DEG/ 01 KTS
---
24 HRS, VALID AT:
220000Z --- 20.4N 108.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 36 HR POSIT: 025 DEG/ 01 KTS
---
36 HRS, VALID AT:
221200Z --- 20.6N 108.7E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 025 DEG/ 01 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230000Z --- 20.8N 108.8E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 60 HR POSIT: 045 DEG/ 01 KTS
---
60 HRS, VALID AT:
231200Z --- 21.0N 109.0E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 060 DEG/ 01 KTS
---
72 HRS, VALID AT:
240000Z --- 21.1N 109.2E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 96 HR POSIT: 045 DEG/ 00 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
250000Z --- 21.2N 109.3E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 120 HR POSIT: 045 DEG/ 00 KTS
---
120 HRS, VALID AT:
260000Z --- 21.3N 109.4E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
210300Z POSITION NEAR 20.2N 108.6E.
21AUG26. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED
APPROXIMATELY 159 NM EAST-SOUTHEAST OF HANOI, VIETNAM, HAS
TRACKED EAST-NORTHEASTWARD AT 02 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 210000Z IS 995 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210000Z IS 10 FEET.
NEXT WARNINGS AT 210900Z, 211500Z, 212100Z AND 220300Z.
FOR SIX-HOURLY UPDATES.//
1826081618 219N1191E 15
1826081700 218N1186E 15
1826081706 213N1184E 15
1826081712 208N1178E 15
1826081718 203N1176E 15
1826081800 199N1174E 15
1826081806 193N1171E 15
1826081812 193N1159E 20
1826081818 193N1143E 20
1826081900 194N1125E 20
1826081906 195N1120E 20
1826081912 195N1114E 25
1826081918 195N1109E 25
1826082000 196N1103E 25
1826082006 196N1097E 25
1826082012 198N1092E 25
1826082018 201N1084E 25
1826082100 202N1086E 30
NNNN

Original Message :

WTPN32 PGTW 210300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002//
RMKS/
1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
210000Z --- NEAR 20.2N 108.6E
MOVEMENT PAST SIX HOURS - 060 DEGREES AT 02 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 20.2N 108.6E
---
FORECASTS:
12 HRS, VALID AT:
211200Z --- 20.3N 108.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 360 DEG/ 01 KTS
---
24 HRS, VALID AT:
220000Z --- 20.4N 108.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 36 HR POSIT: 025 DEG/ 01 KTS
---
36 HRS, VALID AT:
221200Z --- 20.6N 108.7E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 025 DEG/ 01 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230000Z --- 20.8N 108.8E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 60 HR POSIT: 045 DEG/ 01 KTS
---
60 HRS, VALID AT:
231200Z --- 21.0N 109.0E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 060 DEG/ 01 KTS
---
72 HRS, VALID AT:
240000Z --- 21.1N 109.2E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 96 HR POSIT: 045 DEG/ 00 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
250000Z --- 21.2N 109.3E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 120 HR POSIT: 045 DEG/ 00 KTS
---
120 HRS, VALID AT:
260000Z --- 21.3N 109.4E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
210300Z POSITION NEAR 20.2N 108.6E.
21AUG26. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED
APPROXIMATELY 159 NM EAST-SOUTHEAST OF HANOI, VIETNAM, HAS
TRACKED EAST-NORTHEASTWARD AT 02 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 210000Z IS 995 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210000Z IS 10 FEET.
NEXT WARNINGS AT 210900Z, 211500Z, 212100Z AND 220300Z.
REFER TO TROPICAL STORM 17W (SAUDEL) WARNINGS (WTPN31 PGTW)
FOR SIX-HOURLY UPDATES.//
NNNN

Original Message :

WTPN52 PGTW 202100
WARNING ATCG MIL 18W NWP 260820205350
2026082018 18W EIGHTEEN 001 02 290 08 RADR 030
T000 201N 1084E 025
T012 202N 1083E 025
T024 204N 1083E 030
T036 206N 1083E 030
T048 208N 1084E 030
T060 210N 1085E 030
T072 212N 1086E 030
T096 214N 1087E 025
T120 215N 1089E 025
AMP
SUBJ: TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 001
1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 001
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201800Z --- NEAR 20.1N 108.4E
MOVEMENT PAST SIX HOURS - 290 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 20.1N 108.4E
---
FORECASTS:
12 HRS, VALID AT:
210600Z --- 20.2N 108.3E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 360 DEG/ 01 KTS
---
24 HRS, VALID AT:
211800Z --- 20.4N 108.3E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 36 HR POSIT: 360 DEG/ 01 KTS
---
36 HRS, VALID AT:
220600Z --- 20.6N 108.3E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 025 DEG/ 01 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221800Z --- 20.8N 108.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 60 HR POSIT: 025 DEG/ 01 KTS
---
60 HRS, VALID AT:
230600Z --- 21.0N 108.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 025 DEG/ 01 KTS
---
72 HRS, VALID AT:
231800Z --- 21.2N 108.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 96 HR POSIT: 025 DEG/ 01 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241800Z --- 21.4N 108.7E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 060 DEG/ 01 KTS
---
120 HRS, VALID AT:
251800Z --- 21.5N 108.9E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
---
REMARKS:
202100Z POSITION NEAR 20.1N 108.4E.
20AUG26. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED
APPROXIMATELY 150 NM EAST-SOUTHEAST OF HANOI, VIETNAM, HAS
TRACKED WEST-NORTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 201800Z IS 995 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 9 FEET.
NEXT WARNINGS AT 210300Z, 210900Z, 211500Z AND 212100Z.
FOR SIX-HOURLY UPDATES.//
1826081618 219N1191E 15
1826081700 218N1186E 15
1826081706 213N1184E 15
1826081712 208N1178E 15
1826081718 203N1176E 15
1826081800 199N1174E 15
1826081806 193N1171E 15
1826081812 193N1159E 20
1826081818 193N1143E 20
1826081900 194N1125E 20
1826081906 195N1120E 20
1826081912 195N1114E 25
1826081918 195N1109E 25
1826082000 196N1103E 25
1826082006 196N1097E 25
1826082012 198N1092E 25
1826082018 201N1084E 25
NNNN

Original Message :

WTPN32 PGTW 202100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/200551ZAUG2026//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 001
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201800Z --- NEAR 20.1N 108.4E
MOVEMENT PAST SIX HOURS - 290 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 20.1N 108.4E
---
FORECASTS:
12 HRS, VALID AT:
210600Z --- 20.2N 108.3E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 360 DEG/ 01 KTS
---
24 HRS, VALID AT:
211800Z --- 20.4N 108.3E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 36 HR POSIT: 360 DEG/ 01 KTS
---
36 HRS, VALID AT:
220600Z --- 20.6N 108.3E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 025 DEG/ 01 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221800Z --- 20.8N 108.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 60 HR POSIT: 025 DEG/ 01 KTS
---
60 HRS, VALID AT:
230600Z --- 21.0N 108.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 025 DEG/ 01 KTS
---
72 HRS, VALID AT:
231800Z --- 21.2N 108.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 96 HR POSIT: 025 DEG/ 01 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241800Z --- 21.4N 108.7E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 060 DEG/ 01 KTS
---
120 HRS, VALID AT:
251800Z --- 21.5N 108.9E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
---
REMARKS:
202100Z POSITION NEAR 20.1N 108.4E.
20AUG26. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED
APPROXIMATELY 150 NM EAST-SOUTHEAST OF HANOI, VIETNAM, HAS
TRACKED WEST-NORTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 201800Z IS 995 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 9 FEET.
NEXT WARNINGS AT 210300Z, 210900Z, 211500Z AND 212100Z.
REFER TO TROPICAL STORM 17W (SAUDEL) WARNINGS (WTPN31 PGTW)
FOR SIX-HOURLY UPDATES.
2. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 200600).//
NNNN

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