Cyclocane

( cyclocane is a CYCLOne and hurriCANE tracker by hayley )

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JANGMI Current Status

Current Wind Speed 50 knots / 58 MPH

Max Predicted Wind Speed 50 knots / 58 MPH at 2026-06-03T06:00:00.000Z

JANGMI Land Hazards

Northwest Pacific Weather Warnings

Taiwan Central Weather Bureau: no warnings
Hong Kong Observatory: no warnings

JANGMI Tracker

JANGMI Satellite Loop

JANGMI Alternate Tracking Map

JANGMI Spaghetti Models

Spaghetti models for JANGMI can be found here:

JANGMI spaghetti models page »

JANGMI Watches and Warnings

TROPICAL STORM JANGMI Tropical Cyclone Update

TROPICAL STORM JANGMI Public Advisory

WTPN31 PGTW 030900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 06W (JANGMI) WARNING NR 029//
RMKS/
1. TROPICAL STORM 06W (JANGMI) WARNING NR 029    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   030600Z --- NEAR 34.9N 141.4E
     MOVEMENT PAST SIX HOURS - 075 DEGREES AT 30 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
                            065 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT
                            210 NM SOUTHEAST QUADRANT
                            165 NM SOUTHWEST QUADRANT
                            125 NM NORTHWEST QUADRANT
   REPEAT POSIT: 34.9N 141.4E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   031800Z --- 36.3N 145.6E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
                            035 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            015 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 220 NM NORTHEAST QUADRANT
                            210 NM SOUTHEAST QUADRANT
                            160 NM SOUTHWEST QUADRANT
                            150 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 085 DEG/ 10 KTS
    ---
   24 HRS, VALID AT:
   040600Z --- 36.5N 148.0E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 240 NM NORTHEAST QUADRANT
                            110 NM SOUTHEAST QUADRANT
                            160 NM SOUTHWEST QUADRANT
                            190 NM NORTHWEST QUADRANT
    ---
REMARKS:
030900Z POSITION NEAR 35.2N 142.5E.
03JUN26. TROPICAL STORM 06W (JANGMI), LOCATED APPROXIMATELY 69 NM
SOUTHEAST OF NARITA AIRPORT, HAS TRACKED EAST-NORTHEASTWARD AT 30
KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY (MSI) DEPICTS AN ELONGATED AND HEAVILY SHEARED SYSTEM,
WITH A NEARLY FULLY EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC) AND
REMAINING ASSOCIATED CONVECTION LOCATED POLEWARD AND EASTWARD.
THE SYSTEM IS CURRENTLY BECOMING EXTRATROPICAL, DUE TO CROSSING INTO
THE BAROCLINIC ZONE TO THE NORTH. MODEL DATA INDICATES EXTRATROPICAL
TRANSITION (ETT) COMPLETION WITHIN THE NEXT 12 HOURS, WITH
SIGNIFICANTLY INCREASED TEMPERATURE ADVECTION AND TS 06W EXHIBITING
FRONTAL CHARACTERISTICS. ASSESSMENT IS SUPPORTED BY GFS AND ECMWF
EXPECTED LLCC POSITION AHEAD AND POLEWARD OF THE SUBTROPICAL JET
MAXIMUM. ADDITIONAL ANALYSIS REVEALS INCREASINGLY HOSTILE
ENVIRONMENT WITH COLD (21-22 C) SEA SURFACE TEMPERATURES, NO
RESIDUAL OCEAN HEAT CONTENT AND INCREASING VERTICAL WIND SHEAR
(VWS) CURRENTLY ESTIMATED AT 40-45 KTS. DRY AIR ENTRAINMENT FROM THE
WEST IS ONGOING AND EXPECTED TO BE MORE PRONOUNCED WITHIN THE NEXT
12 HOURS, WHILE THE VWS IS EXPECTED TO INCREASE TO 50-55 KTS.
NUMERICAL MODEL GUIDANCE IS IN STRONG AGREEMENT REGARDING THE
TRACK AND INTENSITY, RESULTING IN HIGH CONFIDENCE OF THE OFFICIAL
JTWC FORECAST. 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 030600Z IS
983 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 030600Z IS 30 FEET.
//
NNNN

Public Advisory not available for this storm.

TROPICAL STORM JANGMI Forecast Discussion

Forecast Discussion not available for this storm.

JANGMI storm path from JTWC

Time	Speed	Location	Status
2026-06-03T06:00:00.000Z	50 knots	34.9, 141.4
2026-06-03T18:00:00.000Z	50 knots	36.3, 145.6
2026-06-04T06:00:00.000Z	45 knots	36.5, 148.0

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