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This is the final warning / advisory for this storm as it has weakened below warning levels and/or the storm system is no longer a tropical cyclone.

Go to the main page to see active storms.

CHAMPI Current Status

Current Wind Speed 35 knots / 40 MPH

Max Predicted Wind Speed 35 knots / 40 MPH at

CHAMPI Land Hazards

Northwest Pacific Weather Warnings
Taiwan Central Weather Bureau: no warnings
Hong Kong Observatory: no warnings

CHAMPI Tracker

CHAMPI Satellite Loop

CHAMPI Alternate Tracking Map

CHAMPI Spaghetti Models

Spaghetti models for CHAMPI can be found here:

CHAMPI spaghetti models page »

CHAMPI Watches and Warnings

TROPICAL STORM CHAMPI Tropical Cyclone Update

TROPICAL STORM CHAMPI Public Advisory

WTPN31 PGTW 270900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 06W (CHAMPI) WARNING NR 026//
RMKS/
1. TROPICAL STORM 06W (CHAMPI) WARNING NR 026    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   270600Z --- NEAR 31.9N 142.5E
     MOVEMENT PAST SIX HOURS - 025 DEGREES AT 22 KTS
     POSITION ACCURATE TO WITHIN 015 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
   BECOMING EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            055 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   REPEAT POSIT: 31.9N 142.5E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   271800Z --- 36.2N 146.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            110 NM SOUTHEAST QUADRANT
                            060 NM SOUTHWEST QUADRANT
                            010 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 050 DEG/ 30 KTS
    ---
   24 HRS, VALID AT:
   280600Z --- 39.8N 152.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
                            150 NM SOUTHEAST QUADRANT
                            120 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
    ---
REMARKS:
270900Z POSITION NEAR 33.0N 143.5E.
27JUN21. TROPICAL STORM 06W (CHAMPI), LOCATED APPROXIMATELY 247 NM 
SOUTHEAST OF YOKOSUKA, JAPAN, HAS TRACKED NORTH-NORTHEASTWARD AT 22 
KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE 
IMAGERY (MSI) SHOWS THE SYSTEM HAS ELONGATED WITH THE MAIN 
CONVECTION COLLAPSED AND SHEARED NORTHEASTWARD, PARTLY EXPOSING THE 
LOW LEVEL CIRCULATION (LLC). THE INITIAL POSITION IS PLACED WITH 
HIGH CONFIDENCE BASED ON MSI LOW CLOUD TRACING INTO THE LLC. THE 
INITIAL INTENSITY OF 35 KTS IS ASSESSED WITH HIGH CONFIDENCE BASED 
ON OVERALL ASSESSMENT OF AGENCY AND AUTOMATED DVORAK FIXES RANGING 
FROM 30KTS TO 45KTS. ENVIRONMENTAL ANALYSIS INDICATES TS CHAMPI HAS 
ENTERED THE BAROCLINIC ZONE WHERE SSTS HAVE DROPPED TO 23-24C AND 
VWS ARE >30KTS. TS 06W WILL CONTINUE TO ACCELERATE NORTHEASTWARD ON 
THE POLEWARD SIDE OF THE STEERING STR TO THE SOUTHEAST. THE SYSTEM 
HAS BEGUN EXTRA-TROPICAL TRANSITION AND BY TAU 12 WILL TRANSFORM 
INTO A GALE-FORCE COLD CORE LOW WITH AN EXPANSIVE WIND FIELD. 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 270600Z IS 14 
FEET.//
NNNN

Public Advisory not available for this storm.

TROPICAL STORM CHAMPI Forecast Discussion

Forecast Discussion not available for this storm.

CHAMPI storm path from JTWC

Time Speed Location Status
35 knots 31.9, 142.5
35 knots 36.2, 146.3
35 knots 39.8, 152.3


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