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Western Pacific: TY 19W(CHANTHU) has been intensifying very rapidly and is now a CAT 4, 07/18utc update



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TY 19W(CHANTHU). THE TYPHOON HAS BEEN INTENSIFYING VERY RAPIDLY FOR THE PAST 6HOURS. THE ESTIMATED INTENSITY WAS 85KNOTS/CAT 2 AT 07/12UTC AND IS NOW AT 125KNOTS/CAT 4 AT 07/18UTC.
TY 19W(CHANTHU). THE TYPHOON HAS BEEN INTENSIFYING VERY RAPIDLY FOR THE PAST 6HOURS. THE ESTIMATED INTENSITY WAS 85KNOTS/CAT 2 AT 07/12UTC AND IS NOW AT 125KNOTS/CAT 4 AT 07/18UTC.
 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  65
1921090712 163N1346E  70
1921090712 163N1346E  85
1921090718 162N1335E 125
NNNN

TY 19W(CHANTHU). WARNING 6 WAS ISSUED AND AMENDED AT 07/15UTC. AT 12UTC THE INITIAL ESTIMATE WAS 70KNOTS AND WAS RAISED TO 85KNOTS WITH THE AMENDED WARNING. THE FORECAST WAS CALLING FOR 115KNOTS AT 08/00UTC. THE ACTUAL RATE OF INTENSIFICATION HAS EXCEEDED THE FORECAST.
TY 19W(CHANTHU). WARNING 6 WAS ISSUED AND AMENDED AT 07/15UTC. AT 12UTC THE INITIAL ESTIMATE WAS 70KNOTS AND WAS RAISED TO 85KNOTS WITH THE AMENDED WARNING. THE FORECAST WAS CALLING FOR 115KNOTS AT 08/00UTC. THE ACTUAL RATE OF INTENSIFICATION HAS EXCEEDED THE FORECAST.

TY 19W(CHANTHU). GUIDANCE.
TY 19W(CHANTHU). GUIDANCE.

TY 19W(CHANTHU). HWRF AT 07/06UTC. INTENSITY GUIDANCE: 127KNOTS AT +78H.
TY 19W(CHANTHU). HWRF AT 07/06UTC. INTENSITY GUIDANCE: 127KNOTS AT +78H.


 

JTWC ARE ISSUING 6HOURLY WARNINGS AND 3HOURLY SATELLITE BULLETINS ON 18W AND 19W.
JTWC ARE ISSUING 6HOURLY WARNINGS AND 3HOURLY SATELLITE BULLETINS ON 18W AND 19W.
Rédigé par PATRICK HOAREAU le Tuesday, September 7th 2021 à 22:00