Cyclocane

( cyclocane is a CYCLOne and hurriCANE tracker by hayley )

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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.

JEBI Current Status

Current Wind Speed 55 knots / 63 MPH

Max Predicted Wind Speed 55 knots / 63 MPH at

JEBI Land Hazards

Northwest Pacific Weather Warnings
Taiwan Central Weather Bureau: typhoon news  
Hong Kong Observatory: no warnings
China Meteorological Administration: no warnings

JEBI Tracker

JEBI Satellite Loop

JEBI Alternate Tracking Map

JEBI Spaghetti Models

Spaghetti models for JEBI can be found here:

JEBI spaghetti models page »

JEBI Watches and Warnings

TROPICAL STORM JEBI Tropical Cyclone Update

TROPICAL STORM JEBI Public Advisory

WTPN31 PGTW 041500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 25W (JEBI) WARNING NR 034    
   DOWNGRADED FROM TYPHOON 25W
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   041200Z --- NEAR 38.9N 137.7E
     MOVEMENT PAST SIX HOURS - 020 DEGREES AT 39 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT
                            045 NM SOUTHEAST QUADRANT
                            035 NM SOUTHWEST QUADRANT
                            025 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
                            180 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   REPEAT POSIT: 38.9N 137.7E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   050000Z --- 46.0N 138.6E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 275 NM NORTHEAST QUADRANT
                            230 NM SOUTHEAST QUADRANT
                            095 NM SOUTHWEST QUADRANT
                            085 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 345 DEG/ 24 KTS
    ---
   24 HRS, VALID AT:
   051200Z --- 50.7N 136.6E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
    ---
REMARKS:
041500Z POSITION NEAR 40.7N 137.9E.
TROPICAL STORM 25W (JEBI), LOCATED APPROXIMATELY 185 NM WEST-
SOUTHWEST OF MISAWA, JAPAN, HAS TRACKED NORTH-NORTHEASTWARD AT 39
KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE 
IMAGERY DEPICTS AN EXPANSIVE SYSTEM WITH CONVECTION DISPLACED EAST 
AND POLEWARD OF THE LOW LEVEL CIRCULATION CENTER (LLCC), 
CHARACTERISTIC OF AN EXTRATROPICAL LOW. THE INITIAL POSITION IS 
PLACED WITH FAIR CONFIDENCE BASED ON A 041125Z ASCAT PASS SHOWING AN 
ELONGATED LLCC. THE INITIAL INTENSITY IS SET AT 55 KTS BASED ON 55 
KT WIND BARBS TO THE SOUTH AND SOUTHEAST IN THE AFOREMENTIONED ASCAT 
PASS. ADDITIONALLY, OBSERVATIONS FROM STATIONS 50-75 NM FROM THE 
CENTER READ 980-982 MB, WHICH WOULD SUPPORT 55 KT WINDS NEAR THE 
CENTER. THE INITIAL INTENSITY AGREES WITH THE RJTD DVORAK CURRENT 
INTENSITY ESTIMATE OF T3.5 (55 KTS), AND IS ABOVE THE PGTW 
SUBTROPICAL METHOD ESTIMATE OF ST3.0 (45-50 KTS). UPPER LEVEL 
ANALYSIS INDICATES THAT THE SYSTEM IS NOW LOCATED UNDER A DEEP 
MIDLATITUDE SHORTWAVE TROUGH. HIGH VERTICAL WIND SHEAR (30-40 KTS) 
HAS SHEARED CONVECTION AWAY FROM THE CENTER, AND IN COMBINATION WITH 
LOW SEA SURFACE TEMPERATURES (LESS THAN 26 CELSIUS) IN THE SEA OF 
JAPAN, HAS LED TO WEAKENING. A 040600Z AMSU CORE TEMPERATURE ANOMALY 
CROSS SECTION REVEALS A BUILDING COLD ANOMALY AT MIDLEVELS, 
INDICATIVE OF EXTRATROPICAL TRANSITION. 25W IS ACCELERATING QUICKLY 
TO THE NORTHEAST, CAUGHT UP IN THE MIDLATITUDE WESTERLY JET. 25W IS 
FORECAST TO CONTINUE ACCELERATING POLEWARD AND WEAKENING AS IT 
COMPLETES EXTRATROPICAL TRANSITION BY TAU 12. ITS WIND FIELD WILL 
EXPAND AND BECOME MORE ASYMMETRIC UNDER THE INFLUENCE OF THE HIGH 
VWS. THERE IS HIGH CONFIDENCE IN THE JTWC FORECAST TRACK WITH MODELS 
IN TIGHT AGREEMENT THROUGH THE END OF THE FORECAST PERIOD.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 041200Z IS 8 FEET.
//
NNNN

Public Advisory not available for this storm.

TROPICAL STORM JEBI Forecast Discussion

Forecast Discussion not available for this storm.

JEBI storm path from JTWC

Time Speed Location Status
55 knots 38.9, 137.7
40 knots 46.0, 138.6
25 knots 50.7, 136.6


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