1.A SEVERE TROPICAL STORM 14 (COURTNEY)
2.A POSITION 2025/03/31 AT 1200 UTC:
WITHIN 20 NM RADIUS OF POINT 24.6 S / 88.8 E
MOVEMENT: SOUTH-SOUTH-EAST 8 KT
3.A DVORAK ANALYSIS: 2.5/3.5/W 0.5/6 H
4.A CENTRAL PRESSURE: 984 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 55 KT
1.B FORECASTS (WINDS RADII IN KM):
12H: 2025/04/01 00 UTC: 25.4 S / 88.7 E, VENT MAX= 045 KT,
POST-TROPICAL DEPRESSION
28 KT NE: 325 SE: 345 SW: 250 NW: 0
34 KT NE: 0 SE: 195 SW: 150 NW: 0
24H: 2025/04/01 12 UTC: 26.0 S / 88.5 E, VENT MAX= 045 KT, REMNANT
LOW
28 KT NE: 0 SE: 295 SW: 260 NW: 0
34 KT NE: 0 SE: 155 SW: 140 NW: 0
36H: 2025/04/02 00 UTC: 26.3 S / 87.7 E, VENT MAX= 035 KT, REMNANT
LOW
28 KT NE: 0 SE: 230 SW: 260 NW: 0
34 KT NE: 0 SE: 120 SW: 120 NW: 0
48H: 2025/04/02 12 UTC: 26.1 S / 86.1 E, VENT MAX= 035 KT, REMNANT
LOW
28 KT NE: 0 SE: 230 SW: 230 NW: 0
34 KT NE: 0 SE: 0 SW: 95 NW: 0
60H: 2025/04/03 00 UTC: 25.5 S / 83.4 E, VENT MAX= 030 KT, FILLING UP
28 KT NE: 0 SE: 230 SW: 130 NW: 0
72H: 2025/04/03 12 UTC: 25.1 S / 80.2 E, VENT MAX= 025 KT, FILLING UP
2.B LONGER-RANGE OUTLOOK:
NIL

27S COURTNEY 250331 1200 24.8S 88.9E SHEM 60 984

ACE：20.05

WMG+高级WMG

空咯

TPXS11 PGTW 311448
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 31/1430Z
C. 24.58S
D. 88.98E
E. FOUR/GK2A
F. T2.0/3.0/W2.0/24HRS STT: W0.5/03HRS
G. IR/EIR
H. REMARKS: 17A/PBO XPSD LLCC/ANMTN. LLCC LOCATED MORE THAN 75NM
OUTSIDE OF COLD OVERCAST GREATER THAN 90NM ACROSS YIELDS A DT OF
2.0. MET YIELDS 2.5. PT AGREES WITH DT. DBO DT. BROKE CONSTRAINTS
OF MORE THAN 0.5 T# CHANGE WITHIN 6 HOURS DUE TO RAPID WEAKENING.
I. ADDITIONAL POSITIONS:
31/1235Z 24.42S 88.75E SSMS
PETERSEN

1.A POST-TROPICAL DEPRESSION 14 (COURTNEY)
2.A POSITION 2025/03/31 AT 1800 UTC:
WITHIN 30 NM RADIUS OF POINT 25.1 S / 88.9 E
MOVEMENT: SOUTH 4 KT
3.A DVORAK ANALYSIS: NIL
4.A CENTRAL PRESSURE: 985 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 50 KT
1.B FORECASTS (WINDS RADII IN KM):
12H: 2025/04/01 06 UTC: 25.8 S / 88.7 E, VENT MAX= 045 KT, POST-TROPICAL
DEPRESSION
28 KT NE: 120 SE: 285 SW: 285 NW: 140
34 KT NE: 0 SE: 175 SW: 150 NW: 75
24H: 2025/04/01 18 UTC: 26.1 S / 88.3 E, VENT MAX= 040 KT, REMNANT LOW
28 KT NE: 120 SE: 250 SW: 280 NW: 85
34 KT NE: 0 SE: 140 SW: 110 NW: 0
36H: 2025/04/02 06 UTC: 26.2 S / 87.0 E, VENT MAX= 035 KT, REMNANT LOW
28 KT NE: 120 SE: 175 SW: 165 NW: 85
34 KT NE: 0 SE: 110 SW: 0 NW: 0
48H: 2025/04/02 18 UTC: 25.8 S / 85.0 E, VENT MAX= 030 KT, FILLING UP
28 KT NE: 120 SE: 165 SW: 130 NW: 85
60H: 2025/04/03 06 UTC: 25.2 S / 81.5 E, VENT MAX= 030 KT, FILLING UP
28 KT NE: 120 SE: 165 SW: 130 NW: 85
72H: 2025/04/03 18 UTC: 25.9 S / 78.6 E, VENT MAX= 025 KT, FILLING UP
2.B LONGER-RANGE OUTLOOK:
NIL
LAST BULLETIN UNLESS RE-INTENSIFICATION ISSUED BY RSMC LA REUNION
REGARDS THIS SYSTEM. FURTHER INFORMATION ON THIS SYSTEM WILL BE
AVAILABLE IN THE DAILY BULLETIN ON TROPICAL WEATHER CONDITIONS OVER
THE SOUTHWEST INDIAN OCEAN ISSUED AT 12Z (AWIO20 FMEE).

27S COURTNEY 250331 1800 24.8S 88.8E SHEM 55 986

TXXS21 KNES 311732
TCSSIO
A. 27S (COURTNEY)
B. 31/1700Z
C. 24.7S
D. 88.8E
E. THREE/MET-9
F. T1.5/2.5
G. IR/EIR/PRXY
H. REMARKS...CIRCULAR TIGHTLY DEFINED CLOUD LINES AND NO CONVECTION
RESULTS IN THE DT OF 1.5 USING THE SHEAR PATTERN. PT AGREES. MET IS 2.0
BASED ON A 24 HOUR RAPID WEAKENING TREND. THE FT IS BASED ON THE PT DUE
TO SOME UNCERTAINTY IN THE DEFINITION OF THE LOW LEVEL CIRCULATION.
I. ADDL POSITIONS
NIL
...LINER

TPXS11 PGTW 311748
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 31/1730Z
C. 24.65S
D. 88.82E
E. FOUR/GK2A
F. T2.0/3.0/W1.5/24HRS STT: S0.0/03HRS
G. IR/EIR
H. REMARKS: 17A/PBO XPSD LLCC/ANMTN. CIRCULARLY DEFINED CLOUD LINES
WITH (VERY SMALL - NONEXISTENT), COLD OVERCAST YIELD A DT OF 1.0.
MET YIELDS 3.0. PT YIELDS 2.5. DBO CONSTRAINTS.
I. ADDITIONAL POSITIONS: NONE
DESSINO

TPXS11 PGTW 312047
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 31/2030Z
C. 24.71S
D. 88.48E
E. FOUR/GK2A
F. T1.5/2.5/W2.0/24HRS STT: W0.5/03HRS
G. IR/EIR
H. REMARKS: 17A/PBO XPSD LLCC/ANMTN. CIRCULARLY DEFINED CLOUD LINES
WITH (VERY SMALL - NONEXISTENT), COLD OVERCAST YIELD A DT OF 1.0.
MET YIELDS 2.0. PT YIELDS 1.5. DBO PT.
I. ADDITIONAL POSITIONS:
31/1515Z 24.33S 88.68E MMHS
31/1607Z 24.57S 88.63E MMHS
31/1617Z 24.62S 88.62E MMHS
DESSINO

TXXS21 KNES 010000
TCSSIO
A. 27S (COURTNEY)
B. 31/2330Z
C. 24.7S
D. 88.6E
E. THREE/MET-9
F. T1.0/2.0
G. IR/EIR/SWIR
H. REMARKS...TIGHTLY DEFINED LLCC GREATER THAN 1.25 DEGREES FROM LITTLE
TO NO CONVECTION YIELDS A DT OF 1.5. THE MET IS 1.5 BASED ON A 24HR
RAPID WEAKENING TREND. THE PT IS 1.0. THE FT IS BASED ON THE PT AS THE
CLOUD FEATURES ARE NOT CLEAR CUT.
I. ADDL POSITIONS
NIL
...GATLING

TPXS11 PGTW 312352
A. TROPICAL CYCLONE 27S (COURTNEY)
B. 31/2330Z
C. 24.72S
D. 88.72E
E. FOUR/GK2A
F. T1.5/2.5/W1.5/24HRS STT: S0.0/03HRS
G. IR/EIR
H. REMARKS: 17A/PBO XPSD LLCC/ANMTN. CIRCULARLY DEFINED CLOUD LINES
WITH (VERY SMALL - NONEXISTENT), COLD OVERCAST YIELD A DT OF 1.0.
MET/PT YIELDS 1.5. DBO PT.
I. ADDITIONAL POSITIONS:
31/1846Z 24.53S 88.63E ATMS
31/1934Z 24.60S 88.57E ATMS
DESSINO