Overall Orange Tropical Cyclone for FOUR-23 in Bangladesh, India, Myanmar from 31 Jul 2023 18:00 UTC to 01 Aug 2023 06:00 UTC

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Overall Orange Tropical Cyclone for FOUR-23

in Bangladesh, India, Myanmar

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)

01/08 08:31 WTIO51PGTW010900

01/08 08:26 WTIO31PGTW010900

01/08 02:00 WTIO51PGTW010300

01/08 01:56 WTIO31PGTW010300

31/07 19:46 WTIO51PGTW312100

31/07 19:42 WTIO31PGTW312100

Original Message :

WTIO51 PGTW 010900
WARNING ATCG MIL 04B NIO 230801080943
2023080106 04B FOUR 003 01 310 16 SATL 025
T000 219N 0904E 035 R034 000 NE QD 080 SE QD 070 SW QD 000 NW QD
T012 230N 0884E 030
AMP 000HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
012HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
SUBJ: TROPICAL CYCLONE 04B (FOUR) WARNING NR 003
1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 003
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
010600Z --- NEAR 21.9N 90.4E
MOVEMENT PAST SIX HOURS - 310 DEGREES AT 16 KTS
POSITION ACCURATE TO WITHIN 025 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 LAND
RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 21.9N 90.4E
---
FORECASTS:
12 HRS, VALID AT:
011800Z --- 23.0N 88.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
010900Z POSITION NEAR 22.2N 89.9E.
01AUG23. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 81 NM
WEST-SOUTHWEST OF CHITTAGONG, HAS TRACKED NORTHWESTWARD AT 16
KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY (MSI) TOGETHER WITH ANIMATED RADAR IMAGERY PROVIDED A
HIGH DEGREE OF CONFIDENCE TO THE INITAL LOCATION OF 04B. THE
FULLY EXPOSED CIRCULATION HAS VERY RECENTLY MADE LANDFALL OVER
SOUTHERN BANGLADESH AND IS FORECAST TO PROCEED INLAND, WHERE IT
WILL QUICKLY DISSIPATE BY TAU 12. NUMERICAL MODELS AND RELIABLE
MODEL INTENSITY GUIDANCE, BOTH ECHO THE JTWC TRACK AND
INTENSITY FORECASTS, LENDING HIGH CONFIDENCE TO BOTH.THIS IS THE
FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL
HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF
REGENERATION. MINIMUM CENTRAL PRESSURE AT 010600Z IS 990 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 15 FEET.
//
0423073018 184N 907E 25
0423073100 184N 909E 25
0423073106 186N 913E 30
0423073112 190N 919E 30
0423073118 200N 920E 40
0423080100 209N 917E 40
0423080106 219N 904E 35
NNNN

>

Original Message :

WTIO31 PGTW 010900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 04B (FOUR) WARNING NR 003//
RMKS/
1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 003
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
010600Z --- NEAR 21.9N 90.4E
MOVEMENT PAST SIX HOURS - 310 DEGREES AT 16 KTS
POSITION ACCURATE TO WITHIN 025 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 LAND
RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 21.9N 90.4E
---
FORECASTS:
12 HRS, VALID AT:
011800Z --- 23.0N 88.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
010900Z POSITION NEAR 22.2N 89.9E.
01AUG23. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 81 NM
WEST-SOUTHWEST OF CHITTAGONG, HAS TRACKED NORTHWESTWARD AT 16
KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY (MSI) TOGETHER WITH ANIMATED RADAR IMAGERY PROVIDED A
HIGH DEGREE OF CONFIDENCE TO THE INITAL LOCATION OF 04B. THE
FULLY EXPOSED CIRCULATION HAS VERY RECENTLY MADE LANDFALL OVER
SOUTHERN BANGLADESH AND IS FORECAST TO PROCEED INLAND, WHERE IT
WILL QUICKLY DISSIPATE BY TAU 12. NUMERICAL MODELS AND RELIABLE
MODEL INTENSITY GUIDANCE, BOTH ECHO THE JTWC TRACK AND
INTENSITY FORECASTS, LENDING HIGH CONFIDENCE TO BOTH. MINIMUM CENTRAL
PRESSURE AT 010600Z IS 990 MB.THIS IS THE FINAL WARNING ON THIS SYSTEM
BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE
CLOSELY MONITORED FOR SIGNS OF REGENERATION.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 15 FEET.//
NNNN

>

Original Message :

WTIO51 PGTW 010300
WARNING ATCG MIL 04B NIO 230801005907
2023080100 04B FOUR 002 01 345 09 SATL RADR 030
T000 209N 0917E 040 R034 000 NE QD 080 SE QD 070 SW QD 000 NW QD
T012 222N 0903E 040 R034 030 NE QD 060 SE QD 070 SW QD 000 NW QD
T024 231N 0884E 035
T036 235N 0864E 025
AMP
024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
036HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
SUBJ: TROPICAL CYCLONE 04B (FOUR) WARNING NR 002
1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 002
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
010000Z --- NEAR 20.9N 91.7E
MOVEMENT PAST SIX HOURS - 345 DEGREES AT 09 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 - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 20.9N 91.7E
---
FORECASTS:
12 HRS, VALID AT:
011200Z --- 22.2N 90.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 300 DEG/ 10 KTS
---
24 HRS, VALID AT:
020000Z --- 23.1N 88.4E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 285 DEG/ 09 KTS
---
36 HRS, VALID AT:
021200Z --- 23.5N 86.4E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
010300Z POSITION NEAR 21.2N 91.4E.
01AUG23. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 84 NM
SOUTH OF CHITTAGONG, HAS TRACKED NORTH-NORTHWESTWARD AT 09 KNOTS
OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 010000Z IS 987 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010000Z IS 18 FEET. NEXT WARNINGS AT 010900Z, 011500Z, 012100Z AND 020300Z.
//
0423073018 184N 907E 25
0423073100 184N 909E 25
0423073106 186N 913E 30
0423073112 190N 919E 30
0423073118 200N 920E 40
0423080100 209N 917E 40
NNNN

>

Original Message :

WTIO31 PGTW 010300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 04B (FOUR) WARNING NR 002//
RMKS/
1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 002
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
010000Z --- NEAR 20.9N 91.7E
MOVEMENT PAST SIX HOURS - 345 DEGREES AT 09 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 - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 20.9N 91.7E
---
FORECASTS:
12 HRS, VALID AT:
011200Z --- 22.2N 90.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 300 DEG/ 10 KTS
---
24 HRS, VALID AT:
020000Z --- 23.1N 88.4E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 285 DEG/ 09 KTS
---
36 HRS, VALID AT:
021200Z --- 23.5N 86.4E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
010300Z POSITION NEAR 21.2N 91.4E.
01AUG23. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 84 NM
SOUTH OF CHITTAGONG, HAS TRACKED NORTH-NORTHWESTWARD AT 09 KNOTS
OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 010000Z IS 987
MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010000Z IS 18 FEET. NEXT
WARNINGS AT 010900Z, 011500Z, 012100Z AND 020300Z.
//
NNNN

>

Original Message :

WTIO51 PGTW 312100
WARNING ATCG MIL 04B NIO 230731191343
2023073118 04B FOUR 001 01 005 10 SATL RADR 040
T000 200N 0920E 040 R034 000 NE QD 080 SE QD 070 SW QD 000 NW QD
T012 213N 0914E 040 R034 030 NE QD 080 SE QD 080 SW QD 030 NW QD
T024 223N 0897E 035 R034 030 NE QD 080 SE QD 080 SW QD 030 NW QD
T036 230N 0872E 025
AMP
024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
036HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
SUBJ: TROPICAL CYCLONE 04B (FOUR) WARNING NR 001
1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
311800Z --- NEAR 20.0N 92.0E
MOVEMENT PAST SIX HOURS - 005 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 20.0N 92.0E
---
FORECASTS:
12 HRS, VALID AT:
010600Z --- 21.3N 91.4E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 305 DEG/ 09 KTS
---
24 HRS, VALID AT:
011800Z --- 22.3N 89.7E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 285 DEG/ 12 KTS
---
36 HRS, VALID AT:
020600Z --- 23.0N 87.2E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
312100Z POSITION NEAR 20.3N 91.9E.
31JUL23. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 138
NM SOUTH OF CHITTAGONG, HAS TRACKED NORTHWARD AT 10 KNOTS OVER
THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 311800Z IS 987 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311800Z IS 16 FEET.
NEXT WARNINGS AT 010300Z, 010900Z, 011500Z AND 012100Z.
//
0423073018 184N 907E 25
0423073100 184N 909E 25
0423073106 186N 913E 30
0423073112 190N 919E 30
0423073118 200N 920E 40
NNNN

>

Original Message :

WTIO31 PGTW 312100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 04B (FOUR) WARNING NR 001//
RMKS/
1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
311800Z --- NEAR 20.0N 92.0E
MOVEMENT PAST SIX HOURS - 005 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 20.0N 92.0E
---
FORECASTS:
12 HRS, VALID AT:
010600Z --- 21.3N 91.4E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 305 DEG/ 09 KTS
---
24 HRS, VALID AT:
011800Z --- 22.3N 89.7E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 285 DEG/ 12 KTS
---
36 HRS, VALID AT:
020600Z --- 23.0N 87.2E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
312100Z POSITION NEAR 20.3N 91.9E.
31JUL23. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 138
NM SOUTH OF CHITTAGONG, HAS TRACKED NORTHWARD AT 10 KNOTS OVER
THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 311800Z IS 987 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311800Z IS 16 FEET.
NEXT WARNINGS AT 010300Z, 010900Z, 011500Z AND 012100Z.
//
NNNN

>

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