2

SH, 21, 2025022412, , BEST, 0, 161S, 1705E, 35, 983, TS, 34, NEQ, 0, 25, 30, 0, 1004, 125, 30, 0, 0, P, 0, , 0, 0, INVEST, S,
SH, 21, 2025022418, , BEST, 0, 164S, 1707E, 40, 983, TS, 34, NEQ, 0, 25, 30, 0, 1004, 125, 30, 0, 0, P, 0, , 0, 0, TWENTYONE, M, 0, , 0, 0, 0, 0, TRANSITIONED, shF62025 to sh212025,

TROPICAL DEPRESSION 10F CENTRE 1000HPA WAS LOCATED NEAR 16.1S 170.5E
AT 241800 UTC. POSITION POOR BASED ON HIMAWARI-9 IR IMAGERY AND
PERIPHERAL SURFACE REPORTS. TD10F SLOW MOVING. MAXIMUM 10-MINUTE
AVERAGE WINDS NEAR THE CENTRE ESTIMATED AT ABOUT 25 KNOTS.
FORECASTS :
AT 12 HRS VALID AT 250600 UTC 17.0S 170.6E MOV S AT 04 KT WITH 35 KT
CLOSE TO CENTRE
AT 24 HRS VALID AT 251800 UTC 17.9S 171.1E MOV SSE AT 05 KT WITH 50
KT CLOSE TO CENTRE
OUTLOOK :
AT 36 HRS VALID AT 260600 UTC 19.1S 171.7E MOV SSE AT 05 KT WITH 50
KT CLOSE TO CENTRE
AT 48 HRS VALID AT 261800 UTC 20.2S 172.3E MOV SSE AT 06 KT WITH 50
KT CLOSE TO CENTRE

TPPS13 PGTW 242114
A. TROPICAL CYCLONE 21P (E OF VANUATU)
B. 24/2030Z
C. 15.99S
D. 170.70E
E. FIVE/GK2A
F. T3.0/3.0/D1.5/24HRS STT: D0.5/03HRS
G. IR/EIR
H. REMARKS: 38A/PBO SBC/ANMTN. CNVCTN WRAPS .9 ON LOG10 SPIRAL
YIELDING A DT OF 3.5. MET YIELDS 2.5. PT YIELDS 3.0. DBO PT.
I. ADDITIONAL POSITIONS: NONE
DESSINO

nat,osai,15p加强版

TXPS43 PHFO 242350
TCSSP3
SOUTH PACIFIC TROPICAL CYCLONE SUMMARY - FIXES
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
2346 UTC MON FEB 24 2025
A. TROPICAL CYCLONE 21P (N OF VANUATU)
B. 24/2300Z
C. 16.3S
D. 170.3E
E. GOES-18
F. 3.5/3.5/D2.5/24 HRS
G. VIS/IR/EIR
H. REMARKS...CONVECTION WRAPS 0.6 ON LOG10 SPIRAL PLUS 0.5 FOR A
WHITE BAND YIELDING A DT OF 3.5. MET IS 2.5 DUE TO RAPID
DEVELOPMENT AND AND PT IS 3.5. FT BASED ON DT.
I. ADDL POSITIONS
NONE.
$$
TS

在一波猛烈的对流喷发之后，21p能量完全向核心收紧，对流塔出现了强烈的OST，均匀的流出养成了均匀分布的雨带，标志着系统进入快速发展期。

瓦努阿图气象局

TPPS13 PGTW 250026
A. TROPICAL CYCLONE 21P (E OF VANUATU)
B. 24/2330Z
C. 16.36S
D. 170.46E
E. FIVE/GK2A
F. T3.5/3.5/D2.0/24HRS STT: D0.5/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 44A/PBO LARGE CDO/ANMTN. IRREGULAR CDO OF 146NM IN
DIAMETER YIELDS A CF OF 3.0. ADDED 0.5 FOR BF TO YIELD A DT OF
3.5.MET YIELDS2.5. PT YIELDS 3.0. DBO DT.
I. ADDITIONAL POSITIONS: NONE
DESSINO

TXPS24 KNES 250021
TCSWSP
A. 21P (NONAME)
B. 24/2330Z
C. 16.5S
D. 170.7E
E. THREE/HIMAWARI-9
F. T2.0/2.0
G. IR/EIR/VIS
H. REMARKS...CONVECTION WRAPS .5 ON LOG10 SPIRAL YIELDING A DT OF
2.5. MET = 1.5 AND PT = 2.0. THE FT IS BASED ON THE PT AS BANDING IS
NOT CLEAR CUT.
I. ADDL POSITIONS
NIL
...KIBLER