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Western Pacific: 19W(CHANTHU) Final Warning on the 2nd most intense cyclone of 2021//Atlantic: 15L(ODETTE) intensifying, 18/09utc




18/00UTC.
18/00UTC.

REMNANTS OF TD 19W(CHANTHU). WARNING 48/FINAL ISSUED AT 18/03UTC.TROPICAL DEPRESSION 19W (CHANTHU), LOCATED APPROXIMATELY 310 KM WEST-SOUTHWEST OF YOKOSUKA, JAPAN, HAS TRACKED EASTWARD AT 35 KM/H OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS THE SYSTEM CONTINUED TO RAPIDLY WEAKEN AS THE ASSOCIATED CONVECTION HAVE BECOME SHEARED AND FRAGMENTED. THE LOW LEVEL CIRCULATION HAS BEEN DIFFICULT TO LOCATE USING SATELLITE AND COMPOSITE RADAR IMAGERY. THE INITIAL POSITION, JUST OFFSHORE FROM SOUTHERN HONSHU, IS PLACED WITH MEDIUM CONFIDENCE BY EXTRAPOLATION FROM NEARBY SURFACE OBSERVATIONS, INCLUDING OWASE AND SHIONOMISAKI. THE INITIAL INTENSITY OF 25KNOTS IS ALSO EXTRAPOLATED FROM NEARBY WIND AND SEA LEVEL PRESSURE OBSERVATIONS AND SUPPORTED BY THE DVORAK ESTIMATE OF T1.5/25KTS FROM RJTD. TD 19W IS UNDERGOING EXTRA- TROPICAL TRANSITION AND WILL BECOME A COLD CORE LOW BY 12H AS IT CONTINUES EASTWARD INTO THE PACIFIC OCEAN. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI.
REMNANTS OF TD 19W(CHANTHU). WARNING 48/FINAL ISSUED AT 18/03UTC.TROPICAL DEPRESSION 19W (CHANTHU), LOCATED APPROXIMATELY 310 KM WEST-SOUTHWEST OF YOKOSUKA, JAPAN, HAS TRACKED EASTWARD AT 35 KM/H OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS THE SYSTEM CONTINUED TO RAPIDLY WEAKEN AS THE ASSOCIATED CONVECTION HAVE BECOME SHEARED AND FRAGMENTED. THE LOW LEVEL CIRCULATION HAS BEEN DIFFICULT TO LOCATE USING SATELLITE AND COMPOSITE RADAR IMAGERY. THE INITIAL POSITION, JUST OFFSHORE FROM SOUTHERN HONSHU, IS PLACED WITH MEDIUM CONFIDENCE BY EXTRAPOLATION FROM NEARBY SURFACE OBSERVATIONS, INCLUDING OWASE AND SHIONOMISAKI. THE INITIAL INTENSITY OF 25KNOTS IS ALSO EXTRAPOLATED FROM NEARBY WIND AND SEA LEVEL PRESSURE OBSERVATIONS AND SUPPORTED BY THE DVORAK ESTIMATE OF T1.5/25KTS FROM RJTD. TD 19W IS UNDERGOING EXTRA- TROPICAL TRANSITION AND WILL BECOME A COLD CORE LOW BY 12H AS IT CONTINUES EASTWARD INTO THE PACIFIC OCEAN. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI.
PEAK INTENSITY WAS 155 KNOTS/CAT 5.
1921090506 123N1397E  15
1921090512 126N1395E  20
1921090518 130N1389E  20
1921090600 135N1385E  20
1921090606 141N1382E  25
1921090612 148N1379E  35
1921090618 152N1373E  45
1921090700 156N1366E  50
1921090706 161N1357E  70
1921090712 163N1346E  95
1921090718 163N1335E 125
1921090800 160N1323E 130
1921090806 156N1313E 140
1921090812 155N1303E 135
1921090818 153N1291E 135
1921090900 155N1281E 140
1921090906 157N1272E 130
1921090912 161N1260E 120
1921090918 166N1250E 120
1921091000 171N1241E 130
1921091006 179N1235E 145
1921091012 187N1228E 150
1921091018 195N1223E 155
1921091100 204N1219E 145
1921091106 211N1216E 135
1921091112 218N1218E 120
1921091118 228N1220E 115
1921091200 238N1223E 110
1921091206 252N1223E 105
1921091212 263N1227E  95
1921091218 275N1232E  90
1921091300 290N1236E  85
1921091306 307N1234E  75
1921091312 310N1234E  65
1921091318 311N1236E  55
1921091400 313N1238E  50
1921091406 307N1243E  45
1921091412 305N1249E  40
1921091418 303N1253E  35
1921091500 303N1257E  35
1921091506 301N1257E  45
1921091512 301N1255E  45
1921091518 302N1252E  50
1921091600 304N1251E  55
1921091606 308N1254E  55
1921091612 315N1259E  50
1921091618 322N1265E  45
1921091700 329N1275E  45
1921091706 334N1292E  40
1921091712 338N1315E  40
1921091718 339N1343E  30
1921091800 341N1366E  25
NNNN

REMANNTS OF TD 19W(CHANTHU). TRACK AND INTENSITY GUIDANCE.
REMANNTS OF TD 19W(CHANTHU). TRACK AND INTENSITY GUIDANCE.

SUPER TYPHOON 19W(CHANTHU) REACHED CATEGORY 5 ON 3 SEPARATE TIMES DURING ITS LIFESPAN.
SUPER TYPHOON 19W(CHANTHU) REACHED CATEGORY 5 ON 3 SEPARATE TIMES DURING ITS LIFESPAN.


18/00UTC.
18/00UTC.


ATLANTIC. TS 15L(ODETTE). WARNING 2 ISSUED AT 18/03UTC. CURRENT INTENSITY IS 35KNOTS AND IS FORECAST TO PEAK AT 55KNOTS BY 20/00UTC.
ATLANTIC. TS 15L(ODETTE). WARNING 2 ISSUED AT 18/03UTC. CURRENT INTENSITY IS 35KNOTS AND IS FORECAST TO PEAK AT 55KNOTS BY 20/00UTC.
1521091400 227N 686W  20
1521091406 235N 694W  20
1521091412 242N 700W  20
1521091418 249N 706W  20
1521091500 255N 711W  25
1521091506 264N 720W  25
1521091512 274N 724W  30
1521091518 287N 731W  30
1521091600 293N 740W  30
1521091606 304N 743W  30
1521091612 315N 747W  30
1521091618 326N 753W  30
1521091700 334N 752W  30
1521091706 340N 750W  30
1521091712 348N 741W  30
1521091718 360N 726W  35
1521091800 363N 719W  35

TS 15L(ODETTE). TRACK AND INTENSITY GUIDANCE.
TS 15L(ODETTE). TRACK AND INTENSITY GUIDANCE.

18/0730UTC.
18/0730UTC.
Rédigé par PATRICK HOAREAU le Saturday, September 18th 2021 à 12:13
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Joint Typhoon Warning Center

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