IDW24000
Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
TROPICAL CYCLONE INFORMATION BULLETIN
Issued at 8:44 am WST on Monday 24 February 2025
Tropical Cyclone Bianca (Category 2) was located at 8:00 am AWST near 18.3S
104.7E, that is 1060 km west northwest of Exmouth and 1180 km northwest of
Carnarvon and moving southwest at 15 kilometres per hour.
Tropical Cyclone Bianca (21U) is located in the Indian Ocean well to the west
northwest of Exmouth and is moving towards the southwest. It has reached
category 2 intensity and is expected to strengthen further today and Tuesday as
it tracks south-southwest, remaining well offshore from the Western Australian
coast. By Wednesday, it is forecast to start weakening.
No direct impacts are expected at any Australian mainland or Island communities.
The next Information Bulletin will be issued at 3:00 pm AWST Monday 24 February.

20S BIANCA 250224 0000 18.4S 104.6E SHEM 55 995

全球热带气旋监测公报
预报：宋佳凝 签发：向纯怡 2025 年 02 月 24 日 10 时
澳大利亚附近海域二级热带气旋“比安卡”生成
时 间：24日08时（北京时）
海 域：澳大利亚附近海域
命 名：“比安卡”，BIANCA
中心位置：南纬18.3度、东经104.7度
强度等级：二级热带气旋
最大风力：10级（25米/秒，相当于我国的强热带风暴级）
中心气压：991百帕
参考位置：科科斯群岛东南方向约1080公里的洋面上
变化过程：“比安卡”生成并加强到10级
预报结论：“比安卡”将以每小时15-20公里的速度向西南方向移动，强度逐渐增强。

图2 卫星红外监测图像（北京时间2025年02月24日08时00分）

时间不多了，海温还有一天降到26

TPXS10 PGTW 240329
A. TROPICAL CYCLONE 20S (BIANCA)
B. 24/0240Z
C. 18.61S
D. 104.28E
E. ONE/GK2A
F. T4.5/4.5/D2.5/24HRS STT: D1.0/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 07A/PBO IRREG EYE/ANMTN. DG EYE SURROUNDED BY MG
YIELDS AN E# AND DT (NO EYE ADJUSTMENT) OF 4.5. MET YIELDS A 3.0.
PT YIELDS A 3.5. DBO DT.
I. ADDITIONAL POSITIONS: NONE
PETERSEN

东侧还需巩固

比起升格前，RMW小了很多