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JTWC Patrick Hoareau
WESTERN PACIFIC: TD 04W intensifying and slowly approaching GUAM// SOUTH PACIFIC: TC 30P(MAILA) powerful but very slow moving/31P(VAIANU) subptropical transition//090300 UTC

WESTERN PACIFIC: TD 04W intensifying and slowly approaching GUAM// SOUTH PACIFIC: TC 30P(MAILA) powerful but very slow moving/31P(VAIANU) subptropical transition//090300 UTC - 04/09/2026 - 08:26

SOUTH PACIFIC: TC 30P(MAILA) near CAT 4 US despite possible up-welling,intensification still possible next 24h/TC 31P (VAIANU) peaked at CAT 3 forecast to be a strong Subtropical Storm by 96h//071500 UTC

SOUTH PACIFIC: TC 30P(MAILA) near CAT 4 US despite possible up-welling,intensification still possible next 24h/TC 31P (VAIANU) peaked at CAT 3 forecast to be a strong Subtropical Storm by 96h//071500 UTC - 04/07/2026 - 20:43

SOUTH PACIFIC: TC 30P(MAILA) and TC 31P(VAIANU) both forecast to reach CAT 3 US within 12 hours//061500Z

SOUTH PACIFIC: TC 30P(MAILA) and TC 31P(VAIANU) both forecast to reach CAT 3 US within 12 hours//061500Z - 04/06/2026 - 20:56

SOUTH PACIFIC: TC 30P(MAILA) still intensifying but still very slow moving/ TC 31P (VAIANU) Rapid Intensification likely next 36 hours//051500Z

SOUTH PACIFIC: TC 30P(MAILA) still intensifying but still very slow moving/ TC 31P (VAIANU) Rapid Intensification likely next 36 hours//051500Z - 04/05/2026 - 20:31

TC 29S (INDUSA) peaks at CAT 2 US//TC 30P very slow moving and intensifying/INVEST 91P medium

TC 29S (INDUSA) peaks at CAT 2 US//TC 30P very slow moving and intensifying/INVEST 91P medium - 04/04/2026 - 13:50

TC 29S (INDUSA) to reach Hurricane/Typhoon Intensity within 24h/Invest 90P high/Invest 91P

TC 29S (INDUSA) to reach Hurricane/Typhoon Intensity within 24h/Invest 90P high/Invest 91P - 04/03/2026 - 13:36

TC 29S forecast to reach Typhoon Intensity within 36h/Invest 90P under watch//040226 03UTC

TC 29S forecast to reach Typhoon Intensity within 36h/Invest 90P under watch//040226 03UTC - 04/02/2026 - 07:16

3 Week Tropical Cyclone Formation Probability//04/01/26

3 Week Tropical Cyclone Formation Probability//04/01/26 - 04/01/2026 - 14:40

JTWC FACEBOOK Joint Typhoon Warning Center
TROPICAL CYCLONE UPDATES PACIFIC/INDIAN OCEANS 20260329 1230 UTC

TROPICAL CYCLONE UPDATES PACIFIC/INDIAN OCEANS 20260329 1230 UTC - 03/29/2026 - 18:00

JTWC FACEBOOK Joint Typhoon Warning Center
TC 27P NARELLE will (re)intensify markedly over the very warm Indian Ocean/TC 28P/98W

TC 27P NARELLE will (re)intensify markedly over the very warm Indian Ocean/TC 28P/98W - 03/23/2026 - 20:21

JTWC FACEBOOK Joint Typhoon Warning Center
TC 27P NARELLE forecast to be over 100 kt by 120 h/ 98P/98W

TC 27P NARELLE forecast to be over 100 kt by 120 h/ 98P/98W - 03/22/2026 - 14:52

JTWC FACEBOOK Joint Typhoon Warning Center  
Mighty TC 27P NARELLE made first landfall but far from being dead

Mighty TC 27P NARELLE made first landfall but far from being dead - 03/20/2026 - 15:12

JTWC FACEBOOK Joint Typhoon Warning Center
TC 27P NARELLE near Super Typhoon Intensity

TC 27P NARELLE near Super Typhoon Intensity - 03/19/2026 - 14:00

JTWC FACEBOOK Joint Typhoon Warning Center
Intensifying TC 27P NARELLE forecast to reach CAT 4 US within 48h

Intensifying TC 27P NARELLE forecast to reach CAT 4 US within 48h - 03/18/2026 - 11:23

JTWC FACEBOOK Joint Typhoon Warning Center
TC 27P NARELLE: forecast to reach 115 kt/Category 4 US just prior to making landfall

TC 27P NARELLE: forecast to reach 115 kt/Category 4 US just prior to making landfall - 03/17/2026 - 19:26

JTWC FACEBOOK Joint Typhoon Warning Center
3 Week Tropical Cyclone Formation Probability//03/10/26

3 Week Tropical Cyclone Formation Probability//03/10/26 - 03/12/2026 - 11:24

JTWC FACEBOOK Joint Typhoon Warning Center
A new version (V8.2) of the AMSR2 winds for Tropical Cyclones (TC-winds) has been released

A new version (V8.2) of the AMSR2 winds for Tropical Cyclones (TC-winds) has been released - 03/06/2026 - 10:49

JTWC FACEBOOK Joint Typhoon Warning Center
3 Week Tropical Cyclone Formation Probability//03/03/26

3 Week Tropical Cyclone Formation Probability//03/03/26 - 03/04/2026 - 16:35

JTWC FACEBOOK Joint Typhoon Warning Center
3 Week Tropical Cyclone Formation Probability//12/30/25

3 Week Tropical Cyclone Formation Probability//12/30/25 - 12/31/2025 - 15:19

JTWC FACEBOOK Joint Typhoon Warning Center
2021 STORM YEAR JTWC TROPICAL ACTIVITY TIMELINE

2021 STORM YEAR JTWC TROPICAL ACTIVITY TIMELINE - 12/23/2025 - 13:34

https://www.facebook.com/groups/1817419381676514/ https://www.metoc.navy.mil/jtwc/jtwc.html
Difference in tropical cyclone activity across the JTWC AOR between El Niño and La Niña months

Difference in tropical cyclone activity across the JTWC AOR between El Niño and La Niña months - 12/06/2025 - 11:32

CLICK ON THE IMAGERIES BELOW TO GET THEM ENLARGED Joint Typhoon Warning Center
Major HURRICANE 05E(ERICK) near CAT 4 US making landfall

Major HURRICANE 05E(ERICK) near CAT 4 US making landfall - 06/19/2025 - 09:54

Joint Typhoon Warning Center
01W(WUTIP) 1st Typhoon of the 2025 Western North Pacific season

01W(WUTIP) 1st Typhoon of the 2025 Western North Pacific season - 06/14/2025 - 11:55

Joint Typhoon Warning Center
3 Week Tropical Cyclone Formation Probability//1406utc

3 Week Tropical Cyclone Formation Probability//1406utc - 05/14/2025 - 12:01

Joint Typhoon Warning Center
TC 29S(ERROL) peaked at CATEGORY 5 US/SUPER TYPHOON after Extreme Rapid Intensification//3 Week Tropical Cyclone Formation Probability//1618utc

TC 29S(ERROL) peaked at CATEGORY 5 US/SUPER TYPHOON after Extreme Rapid Intensification//3 Week Tropical Cyclone Formation Probability//1618utc - 04/17/2025 - 00:12

INVEST 96P under close watch// 3 Week Tropical Cyclone Formation Probability//1109utc

INVEST 96P under close watch// 3 Week Tropical Cyclone Formation Probability//1109utc - 04/11/2025 - 14:29

TC 27S(COURTNEY) recahed Super Typhoon Intensity//Over-land TC 28S(DIANNE)//INVEST 97W//3003uitc

TC 27S(COURTNEY) recahed Super Typhoon Intensity//Over-land TC 28S(DIANNE)//INVEST 97W//3003uitc - 03/30/2025 - 07:42

TC 27S(COURTNEY) powerful CAT 4 US // TC 28S(DIANNE) made landfall//2803utc

TC 27S(COURTNEY) powerful CAT 4 US // TC 28S(DIANNE) made landfall//2803utc - 03/29/2025 - 08:20

TC 27S(COURTNEY) Category 1 US intensifying// INVEST 93S// INVEST 96W//3 Week Tropical Cyclone Formation Probability//2700utc

TC 27S(COURTNEY) Category 1 US intensifying// INVEST 93S// INVEST 96W//3 Week Tropical Cyclone Formation Probability//2700utc - 03/27/2025 - 06:15

TC 26S update// 3 Week Tropical Cyclone Formation Probability//1909utc

TC 26S update// 3 Week Tropical Cyclone Formation Probability//1909utc - 03/19/2025 - 14:37

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SOUTH PACIFIC: TC 30P(MAILA) near CAT 4 US despite possible up-welling,intensification still possible next 24h/TC 31P (VAIANU) peaked at CAT 3 forecast to be a strong Subtropical Storm by 96h//071500 UTC

SOUTH PACIFIC: TC 30P(MAILA) and TC 31P(VAIANU) both forecast to reach CAT 3 US within 12 hours//061500Z

SOUTH PACIFIC: TC 30P(MAILA) still intensifying but still very slow moving/ TC 31P (VAIANU) Rapid Intensification likely next 36 hours//051500Z

TC 29S (INDUSA) peaks at CAT 2 US//TC 30P very slow moving and intensifying/INVEST 91P medium

TC 29S (INDUSA) to reach Hurricane/Typhoon Intensity within 24h/Invest 90P high/Invest 91P