簽到天數: 3422 天 [LV.Master]伴壇終老
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king111807|2026-2-24 02:10
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MFR升格熱帶氣旋
WTIO30 FMEE 230041
RSMC / TROPICAL CYCLONE CENTER / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
0.A WARNING NUMBER: 16/11/20252026
1.A TROPICAL CYCLONE 11 (HORACIO)
2.A POSITION 2026/02/23 AT 0000 UTC:
WITHIN 30 NM RADIUS OF POINT 18.5 S / 67.5 E
(EIGHTEEN DECIMAL FIVE DEGREES SOUTH AND
SIXTY SEVEN DECIMAL FIVE DEGREES EAST)
MOVEMENT: SOUTH-WEST 8 KT
3.A DVORAK ANALYSIS: 4.0/4.0/D 0.5/6 H
4.A CENTRAL PRESSURE: 986 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 65 KT
RADIUS OF MAXIMUM WINDS (RMW): 33 KM
6.A EXTENSION OF WIND BY QUADRANTS (KM):
28 KT NE: 185 SE: 240 SW: 260 NW: 195
34 KT NE: 130 SE: 215 SW: 195 NW: 140
48 KT NE: 75 SE: 95 SW: 60 NW: 0
64 KT NE: 0 SE: 45 SW: 45 NW: 0
7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1008 HPA / 800 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: DEEP
1.B FORECASTS (WINDS RADII IN KM):
12H: 2026/02/23 12 UTC: 20.0 S / 65.8 E, VENT MAX= 085 KT, TROPICAL CYCLONE
28 KT NE: 215 SE: 270 SW: 250 NW: 155
34 KT NE: 110 SE: 155 SW: 130 NW: 100
48 KT NE: 65 SE: 85 SW: 95 NW: 65
64 KT NE: 55 SE: 45 SW: 55 NW: 45
24H: 2026/02/24 00 UTC: 21.7 S / 64.7 E, VENT MAX= 100 KT, INTENSE TROPICAL
CYCLONE
28 KT NE: 260 SE: 260 SW: 220 NW: 175
34 KT NE: 140 SE: 175 SW: 140 NW: 110
48 KT NE: 75 SE: 85 SW: 95 NW: 65
64 KT NE: 55 SE: 55 SW: 55 NW: 45
36H: 2026/02/24 12 UTC: 23.6 S / 64.5 E, VENT MAX= 095 KT, INTENSE TROPICAL
CYCLONE
28 KT NE: 260 SE: 280 SW: 220 NW: 175
34 KT NE: 140 SE: 185 SW: 140 NW: 110
48 KT NE: 75 SE: 85 SW: 85 NW: 65
64 KT NE: 55 SE: 55 SW: 55 NW: 45
48H: 2026/02/25 00 UTC: 26.1 S / 65.3 E, VENT MAX= 075 KT, TROPICAL CYCLONE
28 KT NE: 270 SE: 295 SW: 270 NW: 205
34 KT NE: 165 SE: 195 SW: 155 NW: 130
48 KT NE: 85 SE: 85 SW: 95 NW: 55
64 KT NE: 55 SE: 55 SW: 55 NW: 45
60H: 2026/02/25 12 UTC: 28.6 S / 66.7 E, VENT MAX= 060 KT, SEVERE TROPICAL STORM
28 KT NE: 285 SE: 295 SW: 280 NW: 215
34 KT NE: 175 SE: 195 SW: 165 NW: 120
48 KT NE: 85 SE: 85 SW: 85 NW: 65
72H: 2026/02/26 00 UTC: 30.5 S / 67.7 E, VENT MAX= 050 KT, SEVERE TROPICAL STORM
28 KT NE: 260 SE: 315 SW: 280 NW: 215
34 KT NE: 155 SE: 205 SW: 165 NW: 110
48 KT NE: 75 SE: 85 SW: 95 NW: 55
2.B LONGER-RANGE OUTLOOK:
96H: 2026/02/27 00 UTC: 31.6 S / 66.4 E, VENT MAX= 035 KT, REMNANT LOW
28 KT NE: 295 SE: 360 SW: 280 NW: 215
34 KT NE: 185 SE: 230 SW: 175 NW: 110
120H: 2026/02/28 00 UTC: 34.5 S / 66.4 E, VENT MAX= 030 KT, REMNANT LOW
28 KT NE: 315 SE: 280 SW: 195 NW: 260
2.C ADDITIONAL INFORMATION:
T=CI=4.0+
OVER THE PAST 6 HOURS, CONVECTIVE ACTIVITY HAS CONTINUED TO DEVELOP
NEAR THE CENTER. THE SYSTEM TEMPORARILY PRESENTED AN EYE
CONFIGURATION BEFORE TAKING ON A CDO CONFIGURATION. THE SUBJECTIVE
DVORAK ANALYSIS IN T IS UPGRADED TO 4.0 +, CORRESPONDING TO MAXIMUM
WINDS OF 60 KT. AS THE SYSTEM IS SMALL IN SIZE, ITS INTENSITY HAS BEEN VERY
FLUCTUATING SINCE IT BEGAN TO REINTENSIFY. THUS, THE RCM3 SAR
DIFFUSIMETRIC IMAGE FROM 1400Z ESTIMATED MAXIMUM WINDS OF 60 KT, WELL
ABOVE ALL OTHER ESTIMATES AVAILABLE AT THAT TIME. THE RSMC ESTIMATE OF
HORACIO'S INTENSITY IS SLIGHTLY HIGHER THAN THE SUBJECTIVE DVORAK
ESTIMATE AND REPRESENTS A COMPROMISE BETWEEN THE OBJECTIVE ADT AND
AIDT ESTIMATES FROM CIMSS. HORACIO IS NOW CLASSIFIED AS A TROPICAL
CYCLONE WITH ESTIMATED MAXIMUM WINDS OF 65 KT.
NO CHANGE IN THE SHORT-TERM FORECAST, HORACIO IS EXPECTED TO CONTINUE
ITS TRACK ALONG THE NORTHWEST AND THEN WEST EDGE OF THE SUBTROPICAL
RIDGE. THE SYSTEM IS THEREFORE EXPECTED TO GRADUALLY TURN SOUTHWARD
FROM TUESDAY ONWARDS, CURVING ITS MOVEMENT SOUTH-SOUTHEAST
THEREAFTER. IN THE MIDDLE OF NEXT WEEK, THE ARRIVAL OF A NEW MIDDLE AND
LOW TROPOSPHERE RIDGE IN THE SOUTH COULD TEMPORARILY BLOCK HORACIO'S
EVACUATION TOWARDS THE MIDDLE LATITUDES, BEFORE SLIDING OVER THE
WESTERN EDGE OF THIS RIDGE, INDUCING A DIRECTING FLOW OF THE LOWER
TROPOSPHERE TOWARD THE SOUTHWEST. DISPERSION WITHIN THE GUIDANCES IS
LOW IN THE SHORT TERM, WITH THE EXCEPTION OF CERTAIN MODELS WITH A
SLIGHTLY SLOWER TRACK AND INCREASES MORE SIGNIFICANTLY WHEN
MOVEMENT RESUMES IN THE LONG TERM. OUR CURRENT FORECAST REMAINS
BASED ON A CONSENSUS CLOSE TO THE AVERAGES OF THE IA ENSEMBLES AND THE
IFS ENSEMBLE.
REGARDING THE INTENSITY FORECAST, ENVIRONMENTAL CONDITIONS WILL
BECOME VERY FAVORABLE. A MARKED, EVEN RAPID INTENSIFICATION IS
THEREFORE EXPECTED, ESPECIALLY SINCE THE SYSTEM COULD ALSO BE SMALL IN
SIZE. THE STAGE OF INTENSE TROPICAL CYCLONE IS THEREFORE EXPECTED, AT
THE LATEST DURING THE NIGHT FROM MONDAY TO TUESDAY. FROM TUESDAY
ONWARDS, HORACIO WILL BEGIN TO WEAKEN UNDER THE EFFECT OF INCREASING
ENVIRONMENTAL SHEAR. THIS WEAKENING WILL BE CONTINUOUS AND WILL
LEAVE A FAIRLY WEAK SYSTEM, PROBABLY AT THE STAGE OF A REMNANT LOW
WITH CONVECTIVE ACTIVITY FAIRLY LIMITED BY THE PRESENCE OF DRY AIR FROM
THURSDAY ONWARDS. THE INTENSITY FORECAST IS BASED ON A SCENARIO OF
RAPID INTENSIFICATION, AS SUGGESTED BY SEVERAL GUIDANCES.
IMPACTS SUR LES TERRES HABITEES :
RODRIGUES MONDAY AND TUESDAY :
- GALE FORCE WINDS UNLIKELY
- HEAVY SHOWERS POSSIBLE
- WAVES OF UP TO 4 METERS LIKELY MONDAY AT MIDDAY.
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