JTWC Patrick Hoareau
03UTC: cyclone IDAI(18S) 560km to Beira, slowly approaching, could hit the area shortly after 36hours - 03/13/2019 - 06:56
Warning 16/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 00:00 UTC Mar 13, 2019: Location: 19.3°S 40.2°E Maximum Winds: 95...
15UTC: IDAI(18S) category 2 US, likely to intensify and bear down on Beira area in 48hours - 03/12/2019 - 18:29
Warning 14/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 12:00 UTC Mar 12, 2019: Location: 18.7°S 41.3°E Maximum Winds: 90...
09UTC: TC IDAI(18S) has weakened but back possibly to category 3 in 24hours and slowly approaching Beira/MOZ - 03/12/2019 - 12:12
Warning 13/JTWC Please find a short video down below with a few words from me. https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of...
03UTC: TC IDAI(18S) category 3 US, forecast category 4 in 36h, bearing down on Beira/MOZ in 48hours - 03/12/2019 - 06:43
Warning 12/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 00:00 UTC Mar 12, 2019: Location: 18.0°S 42.2°E Maximum Winds: 100...
15UTC: IDAI(18S) category 3 US, intensifying to category 4 within 24hours,forecast to bear down on Beira/MOZ in 3 days - 03/11/2019 - 17:31
Warning 10/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 12:00 UTC Mar 11, 2019: Location: 17.6°S 42.6°E Maximum Winds: 105...
09UTC: TC IDAI(18S) category 3 US, intensifying, possible category 4 in 12hours, possible threat to Quelimane/Beira in 3 days - 03/11/2019 - 13:20
Warning 9/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 06:00 UTC Mar 11, 2019: Location: 17.3°S 43.0°E Maximum Winds: 100...
94W: still very weak, no development expected at the moment - 03/11/2019 - 10:16
Nice weather over the Philippines https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ INVEST 94W As of 06:00 UTC Mar 11, 2019: Location: 2.1°N 133.7°E...
03UTC: TC IDAI(18S) category 2 US, intensifying, possible category 4 in 24hours, possible threat to Quelimane/Beira in 4 days - 03/11/2019 - 07:17
Warning 8/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 00:00 UTC Mar 11, 2019: Location: 17.3°S 43.2°E Maximum Winds: 90 kt...
21UTC: Cyclone IDAI(18S) category 1 US, forecast to be a powerful category 4 US in 2 days and bear down on Beira in 4 days - 03/11/2019 - 01:53
Warning 7/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 18:00 UTC Mar 10, 2019: Location: 17.2°S 43.2°E Maximum Winds: 70 kt...
15UTC: IDAI(18S) is intensifying west of Madagascar, could be a powerful category 4 US in 3 days and approach Beira/Mozambique - 03/10/2019 - 18:46
Warning 6/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 12:00 UTC Mar 10, 2019: Location: 17.2°S 43.0°E Maximum Winds: 55 kt...
09UTC: TC IDAI(18S) intensifying rapidly west of Madagascar and could pose a major threat to Beira/Mozambique in 4 days - 03/10/2019 - 12:53
Warning 5/JTWC PUBLICATION UNDER COMPLETION https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 06:00 UTC Mar 10, 2019: Location:...
03UTC: IDAI(18S) is intensifying and could threaten the Beira region/Mozambique in 96hours as a powerful cyclone - 03/10/2019 - 06:19
Warning 4/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC IDAI(18S) As of 00:00 UTC Mar 10, 2019: Location: 17.2°S 42.4°E Maximum Winds: 40 kt...
15UTC: TC 18S forecast to be a powerful category 4 US in 3 days, possible direct threat to Beira/Mozambique - 03/09/2019 - 18:35
Warning 2/JTWC https://www.meteo974.re/M974World_r7.html https://www.facebook.com/groups/1817419381676514/ TC 18S As of 12:00 UTC Mar 09, 2019: Location: 17.0°S 41.3°E Maximum Winds: 35 kt (...
09UTC: TC 18S has formed over the MOZ Channel, could be a powerful Category 4 US in 4 days and threaten BEIRA/Mozambique - 03/09/2019 - 11:20
Warning 1/JTWC
03UTC: HALEH(17S) : Final Warning from the JTWC - 03/09/2019 - 07:25
Warning 28/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 00:00 UTC Mar 09, 2019: Location: 35.3°S 65.0°E Maximum Winds: 35 kt (65km/h) Gusts: 45 kt (85km/h) Minimum...
21UTC: TC HALEH(17S) : showing some subtropical characteristics but not a cold-core low yet - 03/09/2019 - 03:37
Warning 27/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 18:00 UTC Mar 08, 2019: Location: 33.6°S 65.3°E Maximum Winds: 40 kt (75km/h) Gusts: 50 kt (95km/h) Minimum...
22UTC: 98S: Tropical Cyclone Formation Alert(TCFA) issued by the JTWC - 03/09/2019 - 02:48
Development likely next 24hours INVEST 98S As of 18:00 UTC Mar 08, 2019: Location: 16.3°S 37.6°E Maximum Winds: 20 kt Minimum Central Pressure: 1005 mb WTXS21 PGTW 082200 MSGID/GENADMIN/JOINT...
15UTC: TC HALEH(17S) undergoing slow extratropical transition - 03/08/2019 - 21:00
Warning 26/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 12:00 UTC Mar 08, 2019: Location: 32.2°S 65.6°E Maximum Winds: 40 kt (75km/h) Gusts: 50 kt (95km/h) Minimum...
09UTC: South Indian: 98S and 99S monitored by the JTWC - 03/08/2019 - 15:12
Both do appear to have chances of development next several days INVEST 98S As of 06:00 UTC Mar 08, 2019: Location: 15.4°S 35.2°E Maximum Winds: 20 kt Minimum Central Pressure: 1007 mb...
09UTC: TC HALEH(17S) becoming extratropical with strong winds persisting east and south of the center - 03/08/2019 - 14:48
Warning 25/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 06:00 UTC Mar 08, 2019: Location: 31.0°S 66.0°E Maximum Winds: 45 kt (85km/h) Gusts: 55 kt (100km/h) Minimum...
03UTC: TC HALEH(17S) is weakening rapidly while showing signs of extratropical transition - 03/08/2019 - 06:46
Warning 24/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 00:00 UTC Mar 08, 2019: Location: 29.6°S 66.2°E Maximum Winds: 40 kt (75km/h) Gusts: 50 kt (95km/h) Minimum...
15UTC: Cyclone HALEH(17S) weakening and forecast to be a cold-core mid latitude low in 48hours - 03/07/2019 - 19:25
Warning 22/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 12:00 UTC Mar 07, 2019: Location: 27.1°S 67.3°E Maximum Winds: 60 kt (110km/h) Gusts: 75 kt (140km/h)...
09UTC: TC HALEH(17S) category 1 US is weakening, forecast to be fully extratropical in 48hours - 03/07/2019 - 13:43
Warning 21/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 06:00 UTC Mar 07, 2019: Location: 26.2°S 67.7°E Maximum Winds: 65 kt (120km/h) Gusts: 80 kt (150km/h)...
03UTC: Cyclone HALEH(17S) category 1 US, weakening and becoming extratropical in 36hours - 03/07/2019 - 06:33
Warning 20/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 00:00 UTC Mar 07, 2019: Location: 25.1°S 68.1°E Maximum Winds: 70 kt (130km/h) Gusts: 85 kt (160km/h)...
15UTC: Cyclone HALEH(17S) category 1 US, weakening and becoming extratropical in 36hours - 03/06/2019 - 18:48
Warning 18/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 12:00 UTC Mar 06, 2019: Location: 23.6°S 69.1°E Maximum Winds: 75 kt (140km/h) Gusts: 90 kt (170km/h)...
09UTC: cyclone HALEH(17S) category 1 US is weakening, extratropical transition set to begin in 36hours - 03/06/2019 - 13:48
Warning 17/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 06:00 UTC Mar 06, 2019: Location: 23.0°S 70.2°E Maximum Winds: 80 kt (150km/h) Gusts: 100 kt (185km/h)...
03UTC: South Indian: INVEST 98S under surveillance over the MOZ Channel - 03/06/2019 - 07:33
The area is now MEDIUM for the next 24hours INVEST 98S As of 00:00 UTC Mar 06, 2019: Location: 16.0°S 38.0°E Maximum Winds: 30 kt (55km/h) Minimum Central Pressure: 1000 mb ABIO10 PGTW 060130...
03UTC: TC HALEH(17S) category2 US is weakening but has still a good microwave signature - 03/06/2019 - 07:14
Warning 16/JTWC TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 00:00 UTC Mar 06, 2019: Location: 22.3°S 71.0°E Maximum Winds: 85 kt (160km/h) Gusts: 105 kt (195km/h)...
15UTC: Cyclone HALEH(17S) category 2 US, weakening slowly next 36hours, faster afterwards - 03/05/2019 - 20:50
Warning 14/JTWC Microwave data are still depicting a clear-cut eye feature with a rather solid eyewall. TC HALEH 17S https://www.facebook.com/groups/1817419381676514/ As of 12:00 UTC Mar 05, 2019:...
09UTC: Cyclone HALEH(17S) category 3 US is weakening - 03/05/2019 - 14:07
Warning 13/JTWC
Les News
3 Week Tropical Cyclone Formation Probability//12/30/25
12/31/2025
- PATRICK HOAREAU
2021 STORM YEAR JTWC TROPICAL ACTIVITY TIMELINE
12/23/2025
- PATRICK HOAREAU
Difference in tropical cyclone activity across the JTWC AOR between El Niño and La Niña months
12/06/2025
- PATRICK HOAREAU
Liens utiles
2021 STORM YEAR JTWC TROPICAL ACTIVITY TIMELINE
Difference in tropical cyclone activity across the JTWC AOR between El Niño and La Niña months
Major HURRICANE 05E(ERICK) near CAT 4 US making landfall
01W(WUTIP) 1st Typhoon of the 2025 Western North Pacific season
3 Week Tropical Cyclone Formation Probability//1406utc
2021 STORM YEAR JTWC TROPICAL ACTIVITY TIMELINE
Difference in tropical cyclone activity across the JTWC AOR between El Niño and La Niña months
Major HURRICANE 05E(ERICK) near CAT 4 US making landfall
01W(WUTIP) 1st Typhoon of the 2025 Western North Pacific season
3 Week Tropical Cyclone Formation Probability//1406utc
MMS/Vacoas: Janvier 2023: le plus pluvieux à MAURICE depuis 20ans! RODRIGUES: proche de la normale...
ILES SOEURS: la REUNION et MAURICE douchées par des pluies localement fortes// Et ce n'est probablement pas fini// 26/19h
MAURITIUS: significant rain at last!
MMS/Vacoas: dry to very dry December 2022 for MAURITIUS and RODRIGUES & the outer islands//Forecast for JAN & FEB 2023
Mid-November: still dry over most of MAURITIUS, RODRIGUES and ST BRANDON, near normal at Agaléga//Forecast for Nov/Dec/Jan 2023
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