Overall Green Tropical Cyclone alert for DIANNE-25 in Australia from 28 Mar 2025 00:00 UTC to 18:00

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Overall Green alert Tropical Cyclone for DIANNE-25

in Australia

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)

29/03 06:32 WTAU06APRF290631

29/03 00:50 WTAU06APRF290050

28/03 18:56 WTAU06APRF281855

28/03 13:23 WTXS32PGTW281500

28/03 12:55 WTAU06APRF281255

Original Message :

WTAU06 APRF 290631
IDW23200

40:2:2:24:18S124E400:11:00
SECURITE
CANCELLATION

OCEAN WIND WARNING FOR METAREA 10
ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
AT 0631 UTC 29 MARCH 2025

GALE WARNING

PLEASE BE AWARE, WIND GUSTS CAN BE A FURTHER 40 PERCENT STRONGER THAN
THE
AVERAGES GIVEN HERE, AND MAXIMUM WAVES MAY BE UP TO TWICE THE HEIGHT.

SITUATION
AT 0600 UTC EX-TROPICAL CYCLONE DIANNE WAS CENTRED WITHIN 20 NAUTICAL
MILES OF
LATITUDE EIGHTEEN DECIMAL THREE SOUTH (18.3S)
LONGITUDE ONE HUNDRED AND TWENTY FOUR DECIMAL ONE EAST (124.1E)
RECENT MOVEMENT : SOUTH AT 11 KNOTS MOVING OVER LAND
MAXIMUM WINDS : 35 KNOTS
CENTRAL PRESSURE: 994 HPA

AREA AFFECTED

FORECAST
GALES ARE NO LONGER EXPECTED OVER MARINE AREAS.

REMARKS
THANK YOU TO SHIPS IN THE AREA FOR PROVIDING OBSERVATIONS.

THE CYCLONE IS WEAKENING OVER LAND AND NO FURTHER WARNINGS WILL BE
ISSUED.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE=

Original Message :

WTAU06 APRF 290050
IDW23200

40:2:2:24:17S124E400:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
AT 0050 UTC 29 MARCH 2025

GALE WARNING

PLEASE BE AWARE, WIND GUSTS CAN BE A FURTHER 40 PERCENT STRONGER THAN
THE
AVERAGES GIVEN HERE, AND MAXIMUM WAVES MAY BE UP TO TWICE THE HEIGHT.

SITUATION
AT 0000 UTC EX-TROPICAL CYCLONE DIANNE WAS CENTRED WITHIN 25 NAUTICAL
MILES OF
LATITUDE SEVENTEEN DECIMAL ONE SOUTH (17.1S)
LONGITUDE ONE HUNDRED AND TWENTY THREE DECIMAL NINE EAST (123.9E)
RECENT MOVEMENT : SOUTH AT 7 KNOTS MOVING OVER LAND
MAXIMUM WINDS : 35 KNOTS
CENTRAL PRESSURE: 993 HPA

AREA AFFECTED
WITHIN 30 NAUTICAL MILES IN NW QUADRANT.

FORECAST
MAXIMUM WINDS TO 35 KNOTS NEAR THE CENTRE EASING TO 30 KNOTS BY 0000
UTC 30
MARCH.

WINDS ABOVE 34 KNOTS WITHIN 30 NAUTICAL MILES IN NW QUADRANT WITH
ROUGH SEAS
AND MODERATE SWELL.

FORECAST POSITIONS
AT 1200 UTC 29 MARCH: WITHIN 45 NAUTICAL MILES OF 18.6 SOUTH 123.9
EAST OVER
LAND
CENTRAL PRESSURE 992 HPA.
WINDS TO 35 KNOTS NEAR CENTRE.
AT 0000 UTC 30 MARCH: WITHIN 60 NAUTICAL MILES OF 19.5 SOUTH 123.9
EAST OVER
LAND
CENTRAL PRESSURE 995 HPA.
WINDS TO 30 KNOTS NEAR CENTRE.

REMARKS
ALL SHIPS IN THE AREA PLEASE SEND WEATHER REPORTS EVERY THREE HOURS.
REGULAR WEATHER OBSERVING SHIPS USE NORMAL CHANNELS.
OTHER SHIPS PLEASE USE EMAIL TO TCWC@BOM.GOV.AU.

NEXT WARNING WILL BE ISSUED BY 0700 UTC 29 MARCH 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE=

Original Message :

WTAU06 APRF 281855
IDW23200

40:2:2:24:16S124E400:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
AT 1855 UTC 28 MARCH 2025

GALE WARNING

PLEASE BE AWARE, WIND GUSTS CAN BE A FURTHER 40 PERCENT STRONGER THAN
THE
AVERAGES GIVEN HERE, AND MAXIMUM WAVES MAY BE UP TO TWICE THE HEIGHT.

SITUATION
AT 1800 UTC TROPICAL CYCLONE DIANNE WAS CENTRED WITHIN 20 NAUTICAL
MILES OF
LATITUDE SIXTEEN DECIMAL TWO SOUTH (16.2S)
LONGITUDE ONE HUNDRED AND TWENTY THREE DECIMAL NINE EAST (123.9E)
RECENT MOVEMENT : SOUTH SOUTHEAST AT 7 KNOTS MOVING OVER LAND
MAXIMUM WINDS : 40 KNOTS
CENTRAL PRESSURE: 988 HPA

AREA AFFECTED
WITHIN 30 NAUTICAL MILES IN NE QUADRANT
AND WITHIN 25 NAUTICAL MILES IN SE QUADRANT
AND WITHIN 20 NAUTICAL MILES IN SW QUADRANT
AND WITHIN 30 NAUTICAL MILES IN NW QUADRANT.

FORECAST
MAXIMUM WINDS TO 40 KNOTS NEAR THE CENTRE EASING TO 30 KNOTS BY 0000
UTC 29
MARCH 2025.

WINDS ABOVE 34 KNOTS WITHIN 30 NAUTICAL MILES IN NE QUADRANT
AND WITHIN 25 NAUTICAL MILES IN SE QUADRANT
AND WITHIN 20 NAUTICAL MILES IN SW QUADRANT
AND WITHIN 30 NAUTICAL MILES IN NW QUADRANT WITH ROUGH SEAS AND
MODERATE
SWELL.

FORECAST POSITIONS
AT 0600 UTC 29 MARCH: WITHIN 45 NAUTICAL MILES OF 17.8 SOUTH 124.2
EAST OVER
LAND
CENTRAL PRESSURE 995 HPA.
WINDS TO 30 KNOTS NEAR CENTRE.
AT 1800 UTC 29 MARCH: WITHIN 55 NAUTICAL MILES OF 19.0 SOUTH 124.3
EAST OVER
LAND
CENTRAL PRESSURE 995 HPA.
WINDS TO 30 KNOTS NEAR CENTRE.

REMARKS
ALL SHIPS IN THE AREA PLEASE SEND WEATHER REPORTS EVERY THREE HOURS.
REGULAR WEATHER OBSERVING SHIPS USE NORMAL CHANNELS.
OTHER SHIPS PLEASE USE EMAIL TO TCWC@BOM.GOV.AU.

NEXT WARNING WILL BE ISSUED BY 0100 UTC 29 MARCH 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE=

Original Message :

WTXS32 PGTW 281500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 28S (DIANNE) WARNING NR 003//
RMKS/
1. TROPICAL CYCLONE 28S (DIANNE) WARNING NR 003
02 ACTIVE TROPICAL CYCLONES IN SOUTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
281200Z --- NEAR 15.6S 123.8E
MOVEMENT PAST SIX HOURS - 175 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE, RADAR AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
REPEAT POSIT: 15.6S 123.8E
---
FORECASTS:
12 HRS, VALID AT:
290000Z --- 17.0S 123.9E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 175 DEG/ 08 KTS
---
24 HRS, VALID AT:
291200Z --- 18.6S 124.0E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 175 DEG/ 08 KTS
---
36 HRS, VALID AT:
300000Z --- 20.1S 124.2E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
281500Z POSITION NEAR 15.9S 123.8E.
28MAR25. TROPICAL CYCLONE 28S (DIANNE), LOCATED APPROXIMATELY 166
NM NORTHEAST OF BROOME, AUSTRALIA, HAS TRACKED SOUTHWARD AT 08
KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 281200Z IS 992 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 281200Z IS 16 FEET. NEXT WARNINGS AT
282100Z, 290300Z, 290900Z AND 291500Z.
REFER TO TROPICAL CYCLONE 27S (COURTNEY) WARNINGS (WTXS31 PGTW)
FOR TWELVE-HOURLY UPDATES.//
NNNN

Original Message :

WTAU06 APRF 281255
IDW23200

40:2:2:24:16S124E400:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
AT 1255 UTC 28 MARCH 2025

GALE WARNING

PLEASE BE AWARE, WIND GUSTS CAN BE A FURTHER 40 PERCENT STRONGER THAN
THE
AVERAGES GIVEN HERE, AND MAXIMUM WAVES MAY BE UP TO TWICE THE HEIGHT.

SITUATION
AT 1200 UTC TROPICAL CYCLONE DIANNE WAS CENTRED WITHIN 15 NAUTICAL
MILES OF
LATITUDE FIFTEEN DECIMAL SEVEN SOUTH (15.7S)
LONGITUDE ONE HUNDRED AND TWENTY THREE DECIMAL SEVEN EAST (123.7E)
RECENT MOVEMENT : SOUTH AT 9 KNOTS
MAXIMUM WINDS : 40 KNOTS
CENTRAL PRESSURE: 989 HPA

AREA AFFECTED
WITHIN 40 NAUTICAL MILES IN NE QUADRANT
AND WITHIN 25 NAUTICAL MILES IN SE QUADRANT
AND WITHIN 20 NAUTICAL MILES IN SW QUADRANT
AND WITHIN 35 NAUTICAL MILES IN NW QUADRANT.

FORECAST
MAXIMUM WINDS TO 40 KNOTS NEAR THE CENTRE EASING TO 30 KNOTS BY 0000
UTC 29
MARCH.

WINDS ABOVE 34 KNOTS WITHIN 40 NAUTICAL MILES IN NE QUADRANT
AND WITHIN 25 NAUTICAL MILES IN SE QUADRANT
AND WITHIN 20 NAUTICAL MILES IN SW QUADRANT
AND WITHIN 35 NAUTICAL MILES IN NW QUADRANT WITH ROUGH SEAS AND
MODERATE
SWELL.

FORECAST POSITIONS
AT 0000 UTC 29 MARCH: WITHIN 40 NAUTICAL MILES OF 17.4 SOUTH 124.1
EAST
CENTRAL PRESSURE 994 HPA.
WINDS TO 30 KNOTS NEAR CENTRE.
AT 1200 UTC 29 MARCH: WITHIN 65 NAUTICAL MILES OF 18.8 SOUTH 124.0
EAST OVER
LAND
CENTRAL PRESSURE 994 HPA.
WINDS TO 30 KNOTS NEAR CENTRE.

REMARKS
ALL SHIPS IN THE AREA PLEASE SEND WEATHER REPORTS EVERY THREE HOURS.
REGULAR WEATHER OBSERVING SHIPS USE NORMAL CHANNELS.
OTHER SHIPS PLEASE USE EMAIL TO TCWC@BOM.GOV.AU.

NEXT WARNING WILL BE ISSUED BY 1900 UTC 28 MARCH 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE=

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