WPAC JANGMI: Tropical Storm - Discussion

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Chacor
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#181 Postby Chacor » Tue Sep 30, 2008 9:29 pm

Never did restrengthen in the end.

WTPQ20 RJTD 010000
RSMC TROPICAL CYCLONE ADVISORY
NAME DEVELOPING LOW FORMER TS 0815 JANGMI (0815)
ANALYSIS
PSTN 010000UTC 30N 131E
MOVE E 20KT
PRES 1000HPA
MXWD 040KT
30KT 300NM =
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Chacor
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#182 Postby Chacor » Fri Nov 07, 2008 11:16 pm

AXPQ20 RJTD 070800
RSMC TROPICAL CYCLONE BEST TRACK
NAME 0815 JANGMI (0815)
PERIOD FROM SEP2400UTC TO OCT0500UTC
2400 11.8N 137.9E 1004HPA //KT 2406 12.2N 137.3E 1002HPA //KT
2412 12.6N 136.5E 998HPA 35KT 2418 13.3N 135.1E 992HPA 45KT
2500 13.8N 134.1E 985HPA 55KT 2506 14.6N 132.5E 975HPA 65KT
2512 14.7N 131.2E 970HPA 70KT 2518 15.1N 130.3E 965HPA 75KT
2600 16.0N 129.9E 960HPA 80KT 2606 16.9N 128.9E 955HPA 85KT
2612 17.7N 128.0E 940HPA 95KT 2618 18.6N 127.2E 930HPA 100KT
2700 19.6N 126.5E 920HPA 105KT 2706 20.7N 125.6E 910HPA 110KT
2712 21.3N 124.4E 905HPA 115KT 2718 21.7N 123.7E 905HPA 115KT
2800 22.8N 123.2E 910HPA 110KT 2806 23.9N 122.4E 925HPA 100KT
2812 24.2N 121.0E 950HPA 85KT 2818 24.7N 121.2E 970HPA 65KT
2900 25.7N 121.2E 985HPA 50KT 2906 26.4N 121.5E 990HPA 50KT
2912 26.9N 121.9E 992HPA 45KT 2918 27.6N 123.2E 992HPA 45KT
3000 28.7N 124.3E 994HPA 45KT 3006 29.4N 125.3E 994HPA 40KT
3012 29.7N 126.7E 996HPA 35KT 3018 29.8N 128.3E 996HPA 35KT
0100 29.9N 130.4E 1002HPA //KT 0106 29.6N 132.8E 1002HPA //KT
0112 29.4N 135.1E 1002HPA //KT 0118 29.2N 136.7E 1004HPA //KT
0200 29.1N 138.7E 1004HPA //KT 0206 28.8N 139.6E 1004HPA //KT
0212 28.4N 140.3E 1006HPA //KT 0218 27.9N 140.4E 1006HPA //KT
0300 27.4N 140.5E 1008HPA //KT 0306 26.8N 140.6E 1006HPA //KT
0312 26.5N 140.6E 1008HPA //KT 0318 26.2N 140.6E 1006HPA //KT
0400 26.0N 140.7E 1008HPA //KT 0406 25.7N 140.7E 1006HPA //KT
0412 25.2N 140.9E 1008HPA //KT 0418 25.1N 141.1E 1008HPA //KT
0500 25.1N 141.1E 1010HPA //KT
REMARKS
TD FORMATION AT SEP2400UTC
FROM TD TO TS AT SEP2412UTC
FROM TS TO STS AT SEP2500UTC
FROM STS TO TY AT SEP2506UTC
FROM TY TO STS AT SEP2900UTC
FROM STS TO TS AT SEP2912UTC
FROM TS TO L AT OCT0100UTC
DISSIPATION AT OCT0506UTC=

No increase in winds on the BT, which is surprising. Minimum pressure lowered to match recon though.
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HurricaneBill
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Re:

#183 Postby HurricaneBill » Fri Nov 07, 2008 11:42 pm

Chacor wrote:No increase in winds on the BT, which is surprising. Minimum pressure lowered to match recon though.


JMA has not given a storm 120KT winds since Super Typhoon Yuri in 1991. I read somewhere that based on the Dvorak scale they use, a storm would have to have a Dvorak rating of 8.0 to get 120KT winds.

The highest winds given by JMA was with Super Typhoon Tip in 1979. JMA had Tip peaking with 10-min sustained winds of 140KT.
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