12W KROSA 250728 1800 28.0N 143.1E WPAC 50 980

WTPQ52 RJTD 281800
RSMC TROPICAL CYCLONE ADVISORY
NAME STS 2509 KROSA (2509) DOWNGRADED FROM TY
ANALYSIS
PSTN 281800UTC 27.5N 143.5E GOOD
MOVE WNW 06KT
PRES 975HPA
MXWD 060KT
GUST 085KT
50KT 60NM
30KT 350NM EAST 180NM WEST
FORECAST
12HF 290600UTC 28.5N 142.9E 35NM 70%
MOVE NNW 06KT
PRES 975HPA
MXWD 060KT
GUST 085KT
24HF 291800UTC 28.7N 142.5E 57NM 70%
MOVE ALMOST STATIONARY
PRES 975HPA
MXWD 055KT
GUST 080KT
48HF 301800UTC 28.7N 142.9E 115NM 70%
MOVE ALMOST STATIONARY
PRES 975HPA
MXWD 055KT
GUST 080KT
72HF 311800UTC 29.2N 142.7E 160NM 70%
MOVE ALMOST STATIONARY
PRES 975HPA
MXWD 055KT
GUST 080KT
96HF 011800UTC 31.4N 141.3E 200NM 70%
MOVE NNW 06KT
PRES 975HPA
MXWD 055KT
GUST 080KT
120HF 021800UTC 33.7N 141.3E 250NM 70%
MOVE N 06KT
PRES 975HPA
MXWD 055KT
GUST 080KT =

TPPN10 PGTW 281841
A. TROPICAL STORM 12W (KROSA)
B. 28/1730Z
C. 27.58N
D. 143.20E
E. FIVE/GK2A
F. T3.0/3.5/W1.5/24HRS STT: W0.5/03HRS
G. IR/EIR
H. REMARKS: 47A/PBO PTLY XPSD LLCC/ANMTN. CNVCTN WRAPS 0.60 ON
LOG10 SPIRAL YIELDING A DT OF 3.0. MET YIELDS 3.5. PT YIELDS 3.0.
DBO DT.
I. ADDITIONAL POSITIONS: NONE
NEVAREZ

TXPQ24 KNES 281835
TCSWNP
A. 12W (KROSA)
B. 28/1730Z
C. 27.9N
D. 143.4E
E. THREE/HIMAWARI-9
F. T2.0/3.0
G. IR/EIR/PRXY/GMI/AMSR2
H. REMARKS...3.5/10 BANDING RESULTS IN A DT OF 2.0. THE MET IS 2.5 BASED
ON A 24 HOUR RAPID WEAKINING TREND. THE PT IS 2.0. THE FT IS BASED ON
THE PT BECASUE THE BANDING IS NOT CLEAR CUT.
I. ADDL POSITIONS
28/1525Z 27.9N 143.5E GMI
28/1624Z 27.9N 143.4E AMSR2
...MONAGHAN

TPPN10 PGTW 282136
A. TROPICAL STORM 12W (KROSA)
B. 28/1731Z
C. 28.05N
D. 143.20E
E. FIVE/GK2A
F. T3.0/3.5/W1.5/24HRS STT: W0.5/03HRS
G. IR/EIR
H. REMARKS: 47A/PBO PTLY XPSD LLCC/ANMTN. CNVCTN WRAPS 0.60 ON
LOG10 SPIRAL YIELDING A DT OF 3.0. MET YIELDS 3.5. PT YIELDS 3.0.
DBO DT. REANALYZED POSITION BASED ON 28/1622Z AMSR2 PASS.
I. ADDITIONAL POSITIONS:
28/1622Z 28.00N 143.17E AMS2
NEVAREZ

WTPQ52 RJTD 282100
RSMC TROPICAL CYCLONE ADVISORY
NAME STS 2509 KROSA (2509)
ANALYSIS
PSTN 282100UTC 27.8N 143.4E GOOD
MOVE WNW 06KT
PRES 975HPA
MXWD 060KT
GUST 085KT
50KT 60NM
30KT 350NM EAST 180NM WEST
FORECAST
12HF 290900UTC 28.5N 142.8E 35NM 70%
MOVE NNW SLOWLY
PRES 975HPA
MXWD 055KT
GUST 080KT
24HF 292100UTC 28.7N 142.6E 57NM 70%
MOVE ALMOST STATIONARY
PRES 975HPA
MXWD 055KT
GUST 080KT

TPPN10 PGTW 282143
A. TROPICAL STORM 12W (KROSA)
B. 28/2030Z
C. 28.15N
D. 143.05E
E. FIVE/GK2A
F. T3.0/3.5/W1.5/24HRS STT: S0.0/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 49A/PBO PTLY XPSD LLCC/ANMTN. CNVCTN WRAPS 0.50 ON
LOG10 SPIRAL YIELDING A DT OF 2.5. MET YIELDS 3.5. PT YIELDS 3.0.
DBO PT.
I. ADDITIONAL POSITIONS:
28/1622Z 28.00N 143.17E AMS2
NEVAREZ

结构有所好转

台风快讯
2025年总622期
中国气象局中央气象台07月29日05时45分
时 间：29 日 05 时
命 名：“罗莎”，KROSA
编 号：2509 号
中心位置：北纬27.9度、东经143.4度
强度等级：强热带风暴
最大风力：11级， 30米/秒（约108公里/小时）
中心气压：978 hPa
参考位置：距离日本东京南偏东方向约930公里
风圈半径：七级风圈半径 东北方向380公里；东南方向400公里；西南方向250公里；西北方向250公里
十级风圈半径　　东北方向150公里；东南方向150公里；西南方向120公里；西北方向120公里
预报结论：“罗莎”将以每小时5-10公里的速度向西北方向移动，强度变化不大
（下次更新时间为29日8时30分）