ZCZC 990
WTIO30 FMEE 211303
RSMC / TROPICAL CYCLONE CENTER / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
0.A WARNING NUMBER: 24/7/20202021
1.A MODERATE TROPICAL STORM 7 (ELOISE)
2.A POSITION 2021/01/21 AT 1200 UTC:
WITHIN 20 NM RADIUS OF POINT 17.1 S / 42.0 E
(SEVENTEEN DECIMAL ONE DEGREES SOUTH AND
FORTY TWO DECIMAL ZERO DEGREES EAST)
MOVEMENT: WEST-SOUTH-WEST 12 KT
3.A DVORAK ANALYSIS: 3.0/3.5/S 0.0/12 H
4.A CENTRAL PRESSURE: 992 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 40 KT
RADIUS OF MAXIMUM WINDS (RMW): 139 KM
6.A EXTENSION OF WIND BY QUADRANTS (KM):
28 KT NE: 240 SE: 240 SW: 185 NW: 0
34 KT NE: 150 SE: 150 SW: 150 NW: 0
7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1006 HPA / 400 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: DEEP
1.B FORECASTS (WINDS RADII IN KM):
12H: 2021/01/22 00 UTC: 18.1 S / 39.8 E, VENT MAX= 050 KT, SEVERE
TROPICAL STORM
28 KT NE: 260 SE: 335 SW: 280 NW: 120
34 KT NE: 205 SE: 165 SW: 130 NW: 110
48 KT NE: 95 SE: 100 SW: 110 NW: 35
24H: 2021/01/22 12 UTC: 18.8 S / 37.6 E, VENT MAX= 070 KT, TROPICAL
CYCLONE
28 KT NE: 280 SE: 350 SW: 280 NW: 120
34 KT NE: 215 SE: 185 SW: 130 NW: 110
48 KT NE: 95 SE: 100 SW: 110 NW: 65
64 KT NE: 65 SE: 65 SW: 65 NW: 55
36H: 2021/01/23 00 UTC: 19.7 S / 35.6 E, VENT MAX= 090 KT, INTENSE
TROPICAL CYCLONE
28 KT NE: 295 SE: 360 SW: 280 NW: 120
34 KT NE: 220 SE: 205 SW: 140 NW: 110
48 KT NE: 100 SE: 110 SW: 120 NW: 65
64 KT NE: 65 SE: 75 SW: 65 NW: 55
48H: 2021/01/23 12 UTC: 20.4 S / 33.7 E, VENT MAX= 065 KT, OVERLAND
DEPRESSION
28 KT NE: 315 SE: 380 SW: 280 NW: 120
34 KT NE: 230 SE: 230 SW: 140 NW: 110
48 KT NE: 100 SE: 120 SW: 120 NW: 65
64 KT NE: 65 SE: 75 SW: 75 NW: 55
60H: 2021/01/24 00 UTC: 21.3 S / 32.3 E, VENT MAX= 035 KT, OVERLAND
DEPRESSION
28 KT NE: 345 SE: 400 SW: 280 NW: 120
34 KT NE: 240 SE: 250 SW: 150 NW: 110
72H: 2021/01/24 12 UTC: 22.1 S / 31.1 E, VENT MAX= 025 KT, OVERLAND
DEPRESSION
2.B LONGER-RANGE OUTLOOK:
NIL
2.C ADDITIONAL INFORMATION:
T=3.0;CI=3.5-
DURING THE LAST 6 HOURS, THE CENTER OF ELOISE PASSED TO THE IMMEDIATE
NORTH OF JUAN DE NOVA, AS SHOWN BY THE WIND ROTATION OBSERVED ON THE
ISLAND, FROM THE EAST SECTOR TO THE NORTH SECTOR. SATELLITE IMAGES IN
THE VISIBLE CHANNEL SHOW A STRUCTURE WITH A WIDE CORE, WHICH IS
CONFIRMED BY THE MICROWAVE GMI IMAGERY OF 1015UTC AND THE LAST ASCAT
SWATH (0551UTC). A BANDED EYE STRUCTURE SEEMS TO APPEAR ON THE LAST
VISIBLE IMAGES, CONFIRMING A DVORAK ANALYSIS AT T3.0. THIS DVORAK
ANALYSIS ALLOWS TO ESTIMATE THE WINDS AT 40KT, A VALUE THAT SLIGHTLY
SURPASSES THE PREVIOUS ASCAT DATA OF 0551UTC WHICH WERE CLOSER TO
35KT. ELOISE IS THEREFORE STILL A MODERATE TROPICAL STORM.
THE SYSTEM SHOULD CONTINUE ON A WEST-SOUTHWEST TRACK ACROSS THE
CHANNEL, MOVING ON THE NORTHWEST EDGE OF THE SUBTROPICAL RIDGE
LOCATED SOUTHEAST OF MADAGASCAR. FOLLOWING THIS TRACK, ELOISE SHOULD
REACH THE MOZAMBICAN COAST BY SATURDAY MORNING (MOZAMBICAN TIME).
CONFIDENCE IN THE TRACK FORECAST REMAINS GOOD AND IS BASED ON A TIGHT
MULTI-MODEL CONSENSUS. THE TIME OF LANDFALL IS STILL SLIGHTLY
UNCERTAIN.
IN TERMS OF INTENSITY, THE ENVIRONMENTAL CONDITIONS ARE FAVORABLE TO
A FRANK AND RAPID INTENSIFICATION (WARM WATER, WET ENVIRONMENT, NO
SHEAR AND GOOD DIVERGENCE ON THE NORTH SIDE). THIS INTENSIFICATION
SHOULD TAKE PLACE WITHIN THE NEXT 12 HOURS, WHEN THE CORE OF THE
SYSTEM CONSOLIDATES. THE GUIDANCES ARE GLOBALLY VERY REACTIVE FROM
THE FIRST STAGES OF THE FORECAST (TOO MUCH COMPARED TO THE
OBSERVATION) AND SUGGEST THAT ELOISE SHOULD REACH THE THRESHOLD OF
INTENSE TROPICAL CYCLONE BEFORE LANDFALL, SCENARIO CURRENTLY FOLLOWED
BY THE RSMC, TAKING INTO ACCOUNT THE DELAY OF INTENSIFICATION
OBSERVED IN THE SHORT TERM.
FOR MOZAMBIQUE, THE THREAT OF A SIGNIFICANT IMPACT IS INCREASING FOR
THE AREA AROUND BEIRA, BETWEEN QUELIMANE IN THE NORTH AND INHAMBANE
IN THE SOUTH. ON THURSDAY, HEAVY RAINS WILL START TO IMPACT SOME
AREAS, A LARGE COASTAL ZONE BETWEEN ANGOCHE AND QUELIMANE AS THE
METEOR APPROACHES. THE STRONG WIND SHOULD ALSO BE MORE PRESENT FROM
THE NIGHT OF THURSDAY TO FRIDAY IN THESE AREAS. FROM FRIDAY ONWARD,
THE IMPACTED ZONE MOVES MORE TOWARDS BEIRA AND DEEPER INLAND. THE
INHABITANTS OF THE CENTRAL AND SOUTHERN REGIONS OF MOZAMBIQUE ARE
INVITED TO FOLLOW THE INSTRUCTIONS OF THE LOCAL AUTHORITIES FROM NOW
ON.=
NNNN
WTIO30 FMEE 211303
RSMC / TROPICAL CYCLONE CENTER / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
0.A WARNING NUMBER: 24/7/20202021
1.A MODERATE TROPICAL STORM 7 (ELOISE)
2.A POSITION 2021/01/21 AT 1200 UTC:
WITHIN 20 NM RADIUS OF POINT 17.1 S / 42.0 E
(SEVENTEEN DECIMAL ONE DEGREES SOUTH AND
FORTY TWO DECIMAL ZERO DEGREES EAST)
MOVEMENT: WEST-SOUTH-WEST 12 KT
3.A DVORAK ANALYSIS: 3.0/3.5/S 0.0/12 H
4.A CENTRAL PRESSURE: 992 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 40 KT
RADIUS OF MAXIMUM WINDS (RMW): 139 KM
6.A EXTENSION OF WIND BY QUADRANTS (KM):
28 KT NE: 240 SE: 240 SW: 185 NW: 0
34 KT NE: 150 SE: 150 SW: 150 NW: 0
7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1006 HPA / 400 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: DEEP
1.B FORECASTS (WINDS RADII IN KM):
12H: 2021/01/22 00 UTC: 18.1 S / 39.8 E, VENT MAX= 050 KT, SEVERE
TROPICAL STORM
28 KT NE: 260 SE: 335 SW: 280 NW: 120
34 KT NE: 205 SE: 165 SW: 130 NW: 110
48 KT NE: 95 SE: 100 SW: 110 NW: 35
24H: 2021/01/22 12 UTC: 18.8 S / 37.6 E, VENT MAX= 070 KT, TROPICAL
CYCLONE
28 KT NE: 280 SE: 350 SW: 280 NW: 120
34 KT NE: 215 SE: 185 SW: 130 NW: 110
48 KT NE: 95 SE: 100 SW: 110 NW: 65
64 KT NE: 65 SE: 65 SW: 65 NW: 55
36H: 2021/01/23 00 UTC: 19.7 S / 35.6 E, VENT MAX= 090 KT, INTENSE
TROPICAL CYCLONE
28 KT NE: 295 SE: 360 SW: 280 NW: 120
34 KT NE: 220 SE: 205 SW: 140 NW: 110
48 KT NE: 100 SE: 110 SW: 120 NW: 65
64 KT NE: 65 SE: 75 SW: 65 NW: 55
48H: 2021/01/23 12 UTC: 20.4 S / 33.7 E, VENT MAX= 065 KT, OVERLAND
DEPRESSION
28 KT NE: 315 SE: 380 SW: 280 NW: 120
34 KT NE: 230 SE: 230 SW: 140 NW: 110
48 KT NE: 100 SE: 120 SW: 120 NW: 65
64 KT NE: 65 SE: 75 SW: 75 NW: 55
60H: 2021/01/24 00 UTC: 21.3 S / 32.3 E, VENT MAX= 035 KT, OVERLAND
DEPRESSION
28 KT NE: 345 SE: 400 SW: 280 NW: 120
34 KT NE: 240 SE: 250 SW: 150 NW: 110
72H: 2021/01/24 12 UTC: 22.1 S / 31.1 E, VENT MAX= 025 KT, OVERLAND
DEPRESSION
2.B LONGER-RANGE OUTLOOK:
NIL
2.C ADDITIONAL INFORMATION:
T=3.0;CI=3.5-
DURING THE LAST 6 HOURS, THE CENTER OF ELOISE PASSED TO THE IMMEDIATE
NORTH OF JUAN DE NOVA, AS SHOWN BY THE WIND ROTATION OBSERVED ON THE
ISLAND, FROM THE EAST SECTOR TO THE NORTH SECTOR. SATELLITE IMAGES IN
THE VISIBLE CHANNEL SHOW A STRUCTURE WITH A WIDE CORE, WHICH IS
CONFIRMED BY THE MICROWAVE GMI IMAGERY OF 1015UTC AND THE LAST ASCAT
SWATH (0551UTC). A BANDED EYE STRUCTURE SEEMS TO APPEAR ON THE LAST
VISIBLE IMAGES, CONFIRMING A DVORAK ANALYSIS AT T3.0. THIS DVORAK
ANALYSIS ALLOWS TO ESTIMATE THE WINDS AT 40KT, A VALUE THAT SLIGHTLY
SURPASSES THE PREVIOUS ASCAT DATA OF 0551UTC WHICH WERE CLOSER TO
35KT. ELOISE IS THEREFORE STILL A MODERATE TROPICAL STORM.
THE SYSTEM SHOULD CONTINUE ON A WEST-SOUTHWEST TRACK ACROSS THE
CHANNEL, MOVING ON THE NORTHWEST EDGE OF THE SUBTROPICAL RIDGE
LOCATED SOUTHEAST OF MADAGASCAR. FOLLOWING THIS TRACK, ELOISE SHOULD
REACH THE MOZAMBICAN COAST BY SATURDAY MORNING (MOZAMBICAN TIME).
CONFIDENCE IN THE TRACK FORECAST REMAINS GOOD AND IS BASED ON A TIGHT
MULTI-MODEL CONSENSUS. THE TIME OF LANDFALL IS STILL SLIGHTLY
UNCERTAIN.
IN TERMS OF INTENSITY, THE ENVIRONMENTAL CONDITIONS ARE FAVORABLE TO
A FRANK AND RAPID INTENSIFICATION (WARM WATER, WET ENVIRONMENT, NO
SHEAR AND GOOD DIVERGENCE ON THE NORTH SIDE). THIS INTENSIFICATION
SHOULD TAKE PLACE WITHIN THE NEXT 12 HOURS, WHEN THE CORE OF THE
SYSTEM CONSOLIDATES. THE GUIDANCES ARE GLOBALLY VERY REACTIVE FROM
THE FIRST STAGES OF THE FORECAST (TOO MUCH COMPARED TO THE
OBSERVATION) AND SUGGEST THAT ELOISE SHOULD REACH THE THRESHOLD OF
INTENSE TROPICAL CYCLONE BEFORE LANDFALL, SCENARIO CURRENTLY FOLLOWED
BY THE RSMC, TAKING INTO ACCOUNT THE DELAY OF INTENSIFICATION
OBSERVED IN THE SHORT TERM.
FOR MOZAMBIQUE, THE THREAT OF A SIGNIFICANT IMPACT IS INCREASING FOR
THE AREA AROUND BEIRA, BETWEEN QUELIMANE IN THE NORTH AND INHAMBANE
IN THE SOUTH. ON THURSDAY, HEAVY RAINS WILL START TO IMPACT SOME
AREAS, A LARGE COASTAL ZONE BETWEEN ANGOCHE AND QUELIMANE AS THE
METEOR APPROACHES. THE STRONG WIND SHOULD ALSO BE MORE PRESENT FROM
THE NIGHT OF THURSDAY TO FRIDAY IN THESE AREAS. FROM FRIDAY ONWARD,
THE IMPACTED ZONE MOVES MORE TOWARDS BEIRA AND DEEPER INLAND. THE
INHABITANTS OF THE CENTRAL AND SOUTHERN REGIONS OF MOZAMBIQUE ARE
INVITED TO FOLLOW THE INSTRUCTIONS OF THE LOCAL AUTHORITIES FROM NOW
ON.=
NNNN
