Overall Green Tropical Cyclone alert for SEVENTEEN-25 in Viet Nam from 18 Aug 2025 06:00 UTC to 18:00

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Overall Green alert Tropical Cyclone for SEVENTEEN-25

in Viet Nam

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)

18/08 08:19 WTPN51PGTW180900

18/08 08:17 WTPN31PGTW180900

Original Message :

WTPN51 PGTW 180900
WARNING ATCG MIL 17W NWP 250818074708
2025081806 17W SEVENTEEN 001 01 305 07 SATL RADR SYNP 050
T000 195N 1073E 025
T012 206N 1071E 030
T024 221N 1069E 025
T036 237N 1068E 015
AMP
024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
036HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
SUBJ: TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 001
1. TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
180600Z --- NEAR 19.5N 107.3E
MOVEMENT PAST SIX HOURS - 305 DEGREES AT 07 KTS
POSITION ACCURATE TO WITHIN 050 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE, RADAR AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 19.5N 107.3E
---
FORECASTS:
12 HRS, VALID AT:
181800Z --- 20.6N 107.1E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 355 DEG/ 08 KTS
---
24 HRS, VALID AT:
190600Z --- 22.1N 106.9E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 355 DEG/ 08 KTS
---
36 HRS, VALID AT:
191800Z --- 23.7N 106.8E
MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
180900Z POSITION NEAR 19.8N 107.2E.
18AUG25. TROPICAL DEPRESSION 17W (SEVENTEEN), LOCATED
APPROXIMATELY 120 NM SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED
NORTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 180600Z IS 1001 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 180600Z IS 11 FEET. NEXT WARNINGS AT
181500Z, 182100Z, 190300Z AND 190900Z.
//
1725081512 140N1121E 15
1725081518 143N1125E 15
1725081600 148N1127E 20
1725081606 152N1126E 20
1725081612 156N1124E 20
1725081618 162N1117E 20
1725081700 169N1114E 25
1725081706 175N1110E 25
1725081712 179N1105E 25
1725081718 188N1095E 25
1725081800 191N1079E 20
1725081806 195N1073E 25

Original Message :

WTPN31 PGTW 180900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 001//
RMKS/
1. TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
180600Z --- NEAR 19.5N 107.3E
MOVEMENT PAST SIX HOURS - 305 DEGREES AT 07 KTS
POSITION ACCURATE TO WITHIN 050 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE, RADAR AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 19.5N 107.3E
---
FORECASTS:
12 HRS, VALID AT:
181800Z --- 20.6N 107.1E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 355 DEG/ 08 KTS
---
24 HRS, VALID AT:
190600Z --- 22.1N 106.9E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 355 DEG/ 08 KTS
---
36 HRS, VALID AT:
191800Z --- 23.7N 106.8E
MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
180900Z POSITION NEAR 19.8N 107.2E.
18AUG25. TROPICAL DEPRESSION 17W (SEVENTEEN), LOCATED
APPROXIMATELY 120 NM SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED
NORTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 180600Z IS 1001 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 180600Z IS 11 FEET. NEXT WARNINGS AT
181500Z, 182100Z, 190300Z AND 190900Z.
//
NNNN

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