Joalane 不甘示弱硬是轉出了一個大大的風眼
強度重回TC 不過後期仍預測將逐漸減弱...

RSMC / TROPICAL CYCLONE CENTER / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
0.A WARNING NUMBER: 27/13/20142015
1.A TROPICAL CYCLONE 13 (JOALANE)
2.A POSITION 2015/04/11 AT 0600 UTC:
WITHIN 20 NM RADIUS OF POINT 21.1 S / 67.7 E
(TWENTY ONE DECIMAL ONE DEGREES SOUTH AND SIXTY SEVEN DECIMAL SEVEN DEGREES EAST)
MOVEMENT : SOUTH-SOUTH-EAST 10 KT
3.A DVORAK ANALYSIS: 4.5/4.5/S 0.0/6 H
4.A CENTRAL PRESSURE: 970 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 70 KT
RADIUS OF MAXIMUM WINDS (RMW) :46 KM
6.A EXTENSION OF WIND BY QUADRANTS (KM):
28 KT NE: 330 SE: 350 SW: 280 NW: 190
34 KT NE: 240 SE: 280 SW: 190 NW: 90
48 KT NE: 150 SE: 160 SW: 120 NW: 70
64 KT NE: 70 SE: 70 SW: 70 NW: 0
7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1007 HPA / 1100 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION : DEEP

1.B FORECASTS:
12H: 2015/04/11 18 UTC: 23.0 S / 67.7 E, MAX WIND=065 KT, TROPICAL CYCLONE
24H: 2015/04/12 06 UTC: 25.2 S / 67.5 E, MAX WIND=065 KT, TROPICAL CYCLONE
36H: 2015/04/12 18 UTC: 26.8 S / 66.7 E, MAX WIND=060 KT, SEVERE TROPICAL STORM
48H: 2015/04/13 06 UTC: 28.0 S / 65.5 E, MAX WIND=055 KT, POST-TROPICAL DEPRESSION
60H: 2015/04/13 18 UTC: 29.4 S / 65.7 E, MAX WIND=055 KT, POST-TROPICAL DEPRESSION
72H: 2015/04/14 06 UTC: 31.1 S / 67.0 E, MAX WIND=050 KT, POST-TROPICAL DEPRESSION
2.B LONGER-RANGE OUTLOOK :
96H: 2015/04/15 06 UTC: 34.4 S / 71.0 E, MAX WIND=040 KT, POST-TROPICAL DEPRESSION
120H: 2015/04/16 06 UTC: 35.4 S / 75.9 E, MAX WIND=035 KT, EXTRATROPICAL SYSTEM

底層眼再度建立中. . . 但發展時間估計不多了.

要達到比之前強,還是不太容易的..

降格 STS（979hPa 60kt），Joalane 淪為恥笑對象。

目前看起來 乾空氣的影響相當嚴重
底層對流受損嚴重 因此最近幾暴MFR調弱了 Joalane的強度
並不再上望ITC 但就算如此 MFR 仍認為能達到二次巔峰 80 KT

WTIO30 FMEE 090020
RSMC / TROPICAL CYCLONE CENTER / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
0.A WARNING NUMBER: 18/13/20142015
1.A TROPICAL CYCLONE 13 (JOALANE)
2.A POSITION 2015/04/09 AT 0000 UTC:
WITHIN 30 NM RADIUS OF POINT 16.2 S / 65.3 E
(SIXTEEN DECIMAL TWO DEGREES SOUTH AND SIXTY FIVE DECIMAL THREE DEGREES EAST)
MOVEMENT : SOUTH-SOUTH-EAST 6 KT
3.A DVORAK ANALYSIS: 4.0/4.5/W 0.5/6 H
4.A CENTRAL PRESSURE: 977 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 65 KT
RADIUS OF MAXIMUM WINDS (RMW) :19 KM
6.A EXTENSION OF WIND BY QUADRANTS (KM):
28 KT NE: 280 SE: 460 SW: 200 NW: 150
34 KT NE: 180 SE: 200 SW: 170 NW: 110
48 KT NE: 60 SE: 60 SW: 60 NW: 60
64 KT NE: 30 SE: 30 SW: 30 NW: 30
7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1005 HPA / 900 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION : UNKNOWN

1.B FORECASTS:
12H: 2015/04/09 12 UTC: 17.6 S / 65.9 E, MAX WIND=070 KT, TROPICAL CYCLONE
24H: 2015/04/10 00 UTC: 19.2 S / 66.4 E, MAX WIND=075 KT, TROPICAL CYCLONE
36H: 2015/04/10 12 UTC: 20.3 S / 67.5 E, MAX WIND=080 KT, TROPICAL CYCLONE
48H: 2015/04/11 00 UTC: 21.9 S / 68.7 E, MAX WIND=080 KT, TROPICAL CYCLONE
60H: 2015/04/11 12 UTC: 23.8 S / 69.6 E, MAX WIND=070 KT, TROPICAL CYCLONE
72H: 2015/04/12 00 UTC: 26.3 S / 69.6 E, MAX WIND=060 KT, SEVERE TROPICAL STORM
2.B LONGER-RANGE OUTLOOK :
96H: 2015/04/13 00 UTC: 29.0 S / 70.0 E, MAX WIND=040 KT, POST-TROPICAL DEPRESSION
120H: 2015/04/14 00 UTC: 30.8 S / 72.7 E, MAX WIND=030 KT, POST-TROPICAL DEPRESSION
2.C ADDITIONAL INFORMATIONS:
T=4.0 AND CI=4.5-

Aqua 拍攝的 Joalane


https://commons.wikimedia.org/wi ... 015-04-08_0930Z.jpg