又一个达到W的OST

命名Seru

TPPS13 PGTW 250623
A. TROPICAL CYCLONE 21P (SERU)
B. 25/0540Z
C. 16.97S
D. 170.78E
E. FIVE/GK2A
F. T3.5/3.5/D1.5/24HRS STT: S0.0/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 40A/PBO SBC/ANMTN. CNVCTN WRAPS .80 ON LOG10 SPIRAL
YIELDING A DT OF 3.5. MET YIELDS A 3.0. PT AGREES WITH MET. DBO
DT.
I. ADDITIONAL POSITIONS:
25/0040Z 16.30S 170.57E CWVR
25/0232Z 16.57S 171.12E AMS2
PETERSEN

TXPS43 PHFO 250629
TCSSP3
SOUTH PACIFIC TROPICAL CYCLONE SUMMARY - FIXES
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0551 UTC TUE FEB 25 2025
A. TROPICAL CYCLONE SERU (96P/21P)
B. 25/0500Z
C. 17.4S
D. 170.9E
E. HIMAWARI-9/GOES-18
F. 3.5/3.5/D2.0/24 HRS
G. VIS/IR/EIR
H. REMARKS...CONVECTION WRAPS 1.0 ON LOG10 SPIRAL YIELDING A DT
OF 3.5. MET AND PT AGREE DUE TO RAPID DEVELOPMENT. FT BASED ON PT
AS CLOUD FEATURES ARE NOT CLEAR CUT.
I. ADDL POSITIONS
25/0232 16.5S 170.7E ASMR2
$$

TXPS43 PHFO 250643 CCA
TCSSP3
SOUTH PACIFIC TROPICAL CYCLONE SUMMARY - FIXES
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0551 UTC TUE FEB 25 2025
A. TROPICAL CYCLONE SERU (10F/21P)
B. 25/0500Z
C. 17.4S
D. 170.9E
E. HIMAWARI-9/GOES-18
F. 3.5/3.5/D2.0/24 HRS
G. VIS/IR/EIR
H. REMARKS...CONVECTION WRAPS 1.0 ON LOG10 SPIRAL YIELDING A DT
OF 3.5. MET AND PT AGREE DUE TO RAPID DEVELOPMENT. FT BASED ON PT
AS CLOUD FEATURES ARE NOT CLEAR CUT.
I. ADDL POSITIONS
25/0232 16.5S 170.7E ASMR2
$$

SH, 21, 2025022506, , BEST, 0, 170S, 1709E, 65, 980, TY,

TXPS24 KNES 250654
TCSWSP
A. 21P (SERU)
B. 25/0530Z
C. 17.0S
D. 170.7E
E. THREE/HIMAWARI-9
F. T2.5/2.5
G. IR/EIR/VIS/AMSR2
H. REMARKS...5.5/10 W BANDING RESULTS IN A DT OF 3.0. THE MET IS 1.5 AND
THE PT IS 2.0. THE FT IS BASED ON TRADITIONAL CONSTRAINTS LIMITING CHANGE
IN INTENSITY OVER 6 HOURS TO 0.5 T NUMBERS FOR RECENTLY DEVELOPED SYSTEMS.
I. ADDL POSITIONS
25/0234Z 16.8S 170.3E AMSR2
...HOSLEY

21P SERU 250225 0600 17.0S 170.9E SHEM 60 986

STORM WARNING 101 ISSUED FROM RSMC NADI Feb 250720 UTC.
TROPICAL CYCLONE SERU [SEH-ROO] CENTRE 987HPA CATEGORY 1 WAS LOCATED
NEAR 17.0 SOUTH 170.6 EAST AT 250600 UTC.
POSITION FAIR.
REPEAT POSITION 17.0S 170.6E at 250600 UTC.
CYCLONE MOVING SOUTH SOUTHEAST AT 7 KNOTS. CYCLONE INTENSIFYING.
EXPECT SUSTAINED WINDS OF 45 KNOTS CLOSE TO THE CENTRE INCREASING TO
55 KNOTS BY 251800 UTC.
EXPECT WINDS OVER 33 KNOTS WITHIN 60 NAUTICAL MILES IN NE QUADRANT
AND WITHIN 50 NAUTICAL MILES IN SE QUADRANT
AND WITHIN 50 NAUTICAL MILES IN SW QUADRANT
AND WITHIN 30 NAUTICAL MILES IN NW QUADRANT
FORECAST POSITION NEAR 18.3S 171.2E AT 251800 UTC
AND NEAR 19.7S 172.1E AT 260600 UTC.
ALL VESSELS WITHIN 300 NAUTICAL MILES OF CENTRE ARE REQUESTED TO SEND
REPORTS EVERY THREE HOURS TO RSMC NADI. VOS REPORTING SHIPS USE
NORMAL CHANNELS. OTHER VESSELS FAX PLUS 679 6720190 OR EMAIL NADITCC
AT MET DOT GOV DOT FJ
THIS WARNING CANCELS AND REPLACES WARNING 099.

全球热带气旋监测公报
预报：柳龙生 签发：向纯怡 2025 年 02 月 25 日 18 时
南太平洋一级热带气旋“塞鲁”生成
时 间：25日14时（北京时）
海 域：南太平洋
命 名：“塞鲁”，SERU
中心位置：南纬17.0度、东经170.6度
强度等级：一级热带气旋
最大风力：9级（23米/秒，相当于我国的热带风暴级）
中心气压：987百帕
参考位置：新喀里多尼亚努美阿东北方向约720公里的洋面上
变化过程：“塞鲁”生成并加强到9级
预报结论：“塞鲁”将以每小时10-15公里的速度向南偏东方向移动，强度逐渐增强。

图1 卫星红外监测图像（北京时间2025年02月25日14时00分）

3/4圈

TPPS13 PGTW 250913
A. TROPICAL CYCLONE 21P (SERU)
B. 25/0840Z
C. 17.23S
D. 171.09E
E. FIVE/GK2A
F. T5.0/5.0/D3.0/24HRS STT: S0.0/03HRS
G. IR/EIR
H. REMARKS: 38A/PBO SBC/ANMTN. LLCC EMBEDDED IN W YIELDS A DT OF
5.0. MET YIELDS A 3.5. PT YIELDS A 4.0. DBO DT.
I. ADDITIONAL POSITIONS: NONE
PETERSEN