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2020 Tropical Cyclone UNNAMED (2020339S09106)


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Storm track - Intensity - Wind Radii - Intensity Data - Source Data - All data

Summary Information

Storm ID 2020339S09106
Start Dec 4 06Z
Landfall Dec 11 03Z
Max Intensity 45 kt (Dec 8 18Z), 990 mb (Dec 9 06Z)
End Dec 12 00Z
ATCF IDs ,SH032021
Track status Best track data.

Storm track plot

Map of storm track

Intensity plots

Map of storm track

Radial wind information

Map of storm track

Position and Intensity Table

BASIN ISO_TIME_________ NATURE LAT LON WMO WIND WMO PRES USA WIND USA PRES BOM WIND BOM PRES
days since 1858-11-17 00:00:00 degrees north degrees east kts kts kts
SI 2020-12-04 06:00:00 DS -8.50 105.70 20 1002 20 1002
SI 09:00:00 DS -8.50 105.70 20 1002
SI 12:00:00 NR -8.50 105.80 20 1002 20 1002
SI 15:00:00 NR -8.60 105.80
SI 18:00:00 NR -8.60 105.90
SI 21:00:00 NR -8.60 105.90
SI 2020-12-05 00:00:00 NR -8.70 106.00
SI 03:00:00 NR -8.70 106.00
SI 06:00:00 NR -8.70 106.10
SI 09:00:00 NR -8.70 106.10
SI 12:00:00 TS -8.80 106.20 25 1004
SI 15:00:00 TS -8.80 106.20 25 1004
SI 18:00:00 TS -8.80 106.20 20 1002 25 1004 20 1002
SI 21:00:00 TS -8.80 106.10 28 1002 23 1002
SI 2020-12-06 00:00:00 TS -8.80 106.20 25 1002 30 1000 25 1002
SI 03:00:00 TS -8.80 106.60 30 1001 28 1001
SI 06:00:00 TS -9.00 107.10 30 1000 30 1001 30 1000
SI 09:00:00 TS -9.20 107.40 28 1002 30 1001
SI 12:00:00 TS -9.50 107.70 30 1001 25 1003 30 1001
SI 15:00:00 TS -9.80 108.00 28 1004 30 1002
SI 18:00:00 TS -10.00 108.20 30 1002 30 1004 30 1002
SI 21:00:00 TS -10.10 108.20 30 1003 30 1002
SI 2020-12-07 00:00:00 TS -10.20 108.20 30 1002 30 1002 30 1002
SI 03:00:00 TS -10.30 108.20 30 1002 30 1001
SI 06:00:00 TS -10.50 108.20 30 1000 30 1001 30 1000
SI 09:00:00 TS -10.70 108.20 30 1001 30 1000
SI 12:00:00 TS -10.80 108.10 30 1000 30 1001 30 1000
SI 15:00:00 TS -10.90 108.10 30 1001 30 1000
SI 18:00:00 TS -11.00 108.00 30 1000 30 1000 30 1000
SI 21:00:00 TS -11.10 107.80 30 1001 30 1001
SI 2020-12-08 00:00:00 TS -11.20 107.60 30 1001 30 1001 30 1001
SI 03:00:00 TS -11.30 107.50 33 1000 30 999
SI 06:00:00 TS -11.30 107.60 30 997 35 998 30 997
SI 09:00:00 TS -11.20 107.80 38 996 33 996
SI 12:00:00 TS -11.10 108.10 35 994 40 994 35 994
SI 15:00:00 TS -10.90 108.30 43 993 38 993
SI 18:00:00 TS -10.90 108.60 40 991 45 992 40 991
SI 21:00:00 TS -11.00 108.80 45 993 40 991
SI 2020-12-09 00:00:00 TS -11.10 109.10 40 991 45 994 40 991
SI 03:00:00 TS -11.30 109.50 43 995 40 991
SI 06:00:00 TS -11.60 109.90 40 990 40 995 40 990
SI 09:00:00 TS -12.00 110.30 38 997 40 990
SI 12:00:00 TS -12.40 110.70 40 990 35 998 40 990
SI 15:00:00 TS -12.80 110.80 35 998 38 993
SI 18:00:00 TS -13.30 111.00 35 995 35 998 35 995
SI 21:00:00 TS -13.70 111.20 35 999 35 995
SI 2020-12-10 00:00:00 TS -14.10 111.50 35 995 35 1000 35 995
SI 03:00:00 TS -14.40 111.80 35 1001 33 997
SI 06:00:00 TS -14.80 112.40 30 998 35 1001 30 998
SI 09:00:00 TS -15.20 113.00 35 1001 30 999
SI 12:00:00 TS -15.80 113.80 30 999 35 1001 30 999
SI 15:00:00 TS -16.50 114.70 40 999 33 997
SI 18:00:00 TS -17.50 115.60 35 995 45 997 35 995
SI 21:00:00 TS -18.50 116.40 43 998 40 994
SI 2020-12-11 00:00:00 TS -19.50 117.20 45 992 40 999 45 992
SI 03:00:00 TS -20.40 118.20 40 995 38 999 40 995
SI 06:00:00 TS -21.20 119.10 30 998 35 999 30 998
SI 09:00:00 TS -22.00 120.10 30 1001
SI 12:00:00 TS -22.80 121.10 25 1002
SI 15:00:00 TS -23.50 122.10 25 1002
SI 18:00:00 TS -24.30 123.00 25 1001
SI 21:00:00 TS -25.10 123.80 23 1001
SI 2020-12-12 00:00:00 DS -25.90 124.60 20 1001

Source Information

Agency Information
USA bsh032021.dat
TOKYO
CMA
HKO
NEWDELHI
REUNION
BOM IDCKMSTM0S.csv:Line=27875:noname
NADI
WELLINGTON
DS824
TD9636
TD9635
NEUMANN
MLC

All available IBTrACS Data

SEASON BASIN SUBBASIN ISO_TIME_________ NATURE LAT LON WMO WIND WMO PRES WMO AGENCY DIST2LAND LANDFALL IFLAG USA AGENCY USA ATCF_ID USA LAT USA LON USA STATUS USA WIND USA PRES USA SSHS USA R34 USA POCI USA ROCI USA RMW BOM LAT BOM LON BOM TYPE BOM WIND BOM PRES BOM TNUM BOM CI BOM RMW BOM R34 BOM ROCI BOM POCI BOM POS_METHOD BOM PRES_METHOD BOM GUST BOM GUST_PER STORM SPEED STORM DIR
Year days since 1858-11-17 00:00:00 degrees north degrees east kts mb km km degrees north kts mb 1 nmile mb nmile mb degrees north degrees east kts mb 1 1 nmile nmile degrees north kts nmile degrees north degrees north degrees east
2021 SI WA 2020-12-04 06:00:00 DS -8.50 105.70 20 1002 bom 145 145 _______O_______ -5 -8.50 105.70 10 20 1002 70 1008 5 45 45 1 110
2021 SI WA 09:00:00 DS -8.50 105.70 145 139 _______P_______ -5 -8.50 105.70 10 20 1002 70 1008 1 110
2021 SI WA 12:00:00 NR -8.50 105.80 20 1002 bom 139 139 _______O_______ -5 -8.50 105.80 10 20 1002 70 1008 3 5 45 45 1 115
2021 SI WA 15:00:00 NR -8.60 105.80 149 145 _______P_______ -5 -8.60 105.80 10 1 120
2021 SI WA 18:00:00 NR -8.60 105.90 145 145 _______P_______ -5 -8.60 105.90 10 1 120
2021 SI WA 21:00:00 NR -8.60 105.90 145 141 _______P_______ -5 -8.60 105.90 10 1 125
2021 SI WA 2020-12-05 00:00:00 NR -8.70 106.00 152 152 _______P_______ -5 -8.70 106.00 10 1 120
2021 SI WA 03:00:00 NR -8.70 106.00 152 149 _______P_______ -5 -8.70 106.00 10 1 120
2021 SI WA 06:00:00 NR -8.70 106.10 149 149 _______P_______ -5 -8.70 106.10 10 1 115
2021 SI WA 09:00:00 NR -8.70 106.10 149 149 _______P_______ -5 -8.70 106.10 10 1 135
2021 SI WA 12:00:00 TS -8.80 106.20 158 158 O______P_______ jtwc_sh SH032021 -9.10 106.20 TD 25 1004 -1 1007 100 50 -8.70 106.20 10 1 155
2021 SI WA 15:00:00 TS -8.80 106.20 158 158 P______P_______ SH032021 -9.10 106.20 TD 25 1004 -1 1007 100 50 -8.70 106.20 10 0 0
2021 SI WA 18:00:00 TS -8.80 106.20 20 1002 bom 158 158 O______O_______ jtwc_sh SH032021 -9.00 106.10 TD 25 1004 -1 1006 100 50 -8.70 106.20 20 20 1002 70 1008 5 45 45 1 310
2021 SI WA 21:00:00 TS -8.80 106.10 160 147 P______P_______ SH032021 -8.90 106.10 TD 28 1002 -1 1006 100 50 -8.60 106.10 20 23 1002 70 1008 1 25
2021 SI WA 2020-12-06 00:00:00 TS -8.80 106.20 25 1002 bom 147 147 O______O_______ jtwc_sh SH032021 -8.90 106.20 TD 30 1000 -1 1006 100 50 -8.60 106.20 20 25 1002 70 1008 5 45 45 5 95
2021 SI WA 03:00:00 TS -8.80 106.60 156 156 P______P_______ SH032021 -8.90 106.60 TD 30 1001 -1 1006 100 50 -8.80 106.60 20 28 1001 55 1007 9 105
2021 SI WA 06:00:00 TS -9.00 107.10 30 1000 bom 164 159 O______O_______ jtwc_sh SH032021 -9.00 107.10 TD 30 1001 -1 1006 100 50 -9.00 107.10 20 30 1000 39 1006 3 5 45 45 9 115
2021 SI WA 09:00:00 TS -9.20 107.40 173 173 P______P_______ SH032021 -9.20 107.40 TD 28 1002 -1 1006 100 50 -9.30 107.40 20 30 1001 49 1007 8 130
2021 SI WA 12:00:00 TS -9.50 107.70 30 1001 bom 201 201 O______O_______ jtwc_sh SH032021 -9.50 107.70 TD 25 1003 -1 1006 100 50 -9.60 107.70 20 30 1001 59 1007 3 5 45 45 8 135
2021 SI WA 15:00:00 TS -9.80 108.00 228 228 P______P_______ SH032021 -9.80 107.90 TD 28 1004 -1 1007 110 50 -9.90 108.10 20 30 1002 75 1008 7 140
2021 SI WA 18:00:00 TS -10.00 108.20 30 1002 bom 247 247 O______O_______ jtwc_sh SH032021 -10.00 108.00 TD 30 1004 -1 1008 120 50 -10.10 108.30 20 30 1002 90 1009 5 45 45 4 145
2021 SI WA 21:00:00 TS -10.10 108.20 258 258 P______P_______ SH032021 -10.20 108.10 TD 30 1003 -1 1008 105 40 -10.10 108.20 20 30 1002 95 1010 2 0
2021 SI WA 2020-12-07 00:00:00 TS -10.20 108.20 30 1002 bom 269 269 O______O_______ jtwc_sh SH032021 -10.30 108.20 TD 30 1002 -1 1007 90 30 -10.10 108.10 20 30 1002 99 1010 3 5 45 45 2 195
2021 SI WA 03:00:00 TS -10.30 108.20 280 280 P______P_______ SH032021 -10.40 108.20 TD 30 1002 -1 1007 90 28 -10.20 108.10 20 30 1001 99 1009 3 0
2021 SI WA 06:00:00 TS -10.50 108.20 30 1000 bom 303 303 O______O_______ jtwc_sh SH032021 -10.60 108.20 TD 30 1001 -1 1006 90 25 -10.40 108.10 20 30 1000 1.00 1.00 99 1008 5 45 45 3 180
2021 SI WA 09:00:00 TS -10.70 108.20 325 325 P______P_______ SH032021 -10.80 108.20 TD 30 1001 -1 1006 90 25 -10.60 108.10 20 30 1000 99 1008 3 0
2021 SI WA 12:00:00 TS -10.80 108.10 30 1000 bom 337 337 O______O_______ jtwc_sh SH032021 -10.90 108.10 TD 30 1001 -1 1006 90 25 -10.70 108.20 20 30 1000 1.00 1.00 99 1008 3 5 45 45 3 200
2021 SI WA 15:00:00 TS -10.90 108.10 348 348 P______P_______ SH032021 -11.00 107.90 TD 30 1001 -1 1006 85 25 -10.90 108.20 20 30 1000 99 1008 3 220
2021 SI WA 18:00:00 TS -11.00 108.00 30 1000 bom 361 361 O______O_______ jtwc_sh SH032021 -11.00 107.70 TD 30 1000 -1 1005 80 25 -11.00 108.20 20 30 1000 1.00 1.00 99 1008 5 45 45 4 235
2021 SI WA 21:00:00 TS -11.10 107.80 375 375 P______P_______ SH032021 -11.10 107.60 TD 30 1001 -1 1005 103 25 -11.10 108.00 20 30 1001 95 1008 4 240
2021 SI WA 2020-12-08 00:00:00 TS -11.20 107.60 30 1001 bom 390 390 O______O_______ jtwc_sh SH032021 -11.20 107.50 TD 30 1001 -1 1004 125 25 -11.20 107.70 20 30 1001 1.00 1.00 90 1008 3 5 45 45 3 235
2021 SI WA 03:00:00 TS -11.30 107.50 404 401 P______P_______ SH032021 -11.30 107.50 TD 33 1000 -1 1005 125 25 -11.20 107.60 20 30 999 70 1007 1 155
2021 SI WA 06:00:00 TS -11.30 107.60 30 997 bom 390 386 O______O_______ jtwc_sh SH032021 -11.30 107.60 TS 35 998 0 1006 125 25 -11.20 107.60 20 30 997 1.50 1.50 50 1006 3 5 45 45 3 70
2021 SI WA 09:00:00 TS -11.20 107.80 386 372 P______P_______ SH032021 -11.20 107.80 TS 38 996 0 1005 125 25 -11.10 107.80 20 33 996 45 1005 5 65
2021 SI WA 12:00:00 TS -11.10 108.10 35 994 bom 359 347 O______O_______ jtwc_sh SH032021 -11.10 108.00 TS 40 994 0 1004 125 25 -11.00 108.10 21 35 994 1.50 1.50 19 90 39 1004 3 5 49 49 6 65
2021 SI WA 15:00:00 TS -10.90 108.30 347 347 P______P_______ SH032021 -11.00 108.30 TS 43 993 0 1004 128 25 -10.90 108.40 21 38 993 19 90 39 1004 6 75
2021 SI WA 18:00:00 TS -10.90 108.60 40 991 bom 347 347 O______O_______ jtwc_sh SH032021 -10.90 108.60 TS 45 992 0 70,20,70,70 1003 130 25 -10.90 108.60 21 40 991 2.00 2.00 19 30, , ,90 39 1004 5 55 55 5 90
2021 SI WA 21:00:00 TS -11.00 108.80 359 358 P______P_______ SH032021 -10.90 108.80 TS 45 993 0 65,20,65,63 1004 128 25 -11.00 108.80 21 40 991 19 40, , ,80 39 1004 5 115
2021 SI WA 2020-12-09 00:00:00 TS -11.10 109.10 40 991 bom 367 367 O______O_______ jtwc_sh SH032021 -11.10 109.00 TS 45 994 0 60,20,60,55 1004 125 25 -11.10 109.10 21 40 991 2.00 2.00 19 50, , ,70 39 1004 3 5 55 55 7 120
2021 SI WA 03:00:00 TS -11.30 109.50 371 371 P______P_______ SH032021 -11.30 109.40 TS 43 995 0 55,18,60,50 1004 138 25 -11.30 109.50 21 40 991 19 55, , ,65 49 1003 10 120
2021 SI WA 06:00:00 TS -11.60 109.90 40 990 bom 390 390 O______O_______ jtwc_sh SH032021 -11.60 109.90 TS 40 995 0 50,15,60,45 1003 150 25 -11.60 109.90 21 40 990 1.50 2.00 19 59, , ,59 59 1002 3 5 55 55 11 130
2021 SI WA 09:00:00 TS -12.00 110.30 425 423 P______P_______ SH032021 -12.00 110.30 TS 38 997 0 45,13,60,43 1003 138 25 -12.00 110.30 21 40 990 19 59, , ,59 69 1002 11 135
2021 SI WA 12:00:00 TS -12.40 110.70 40 990 bom 461 461 O______O_______ jtwc_sh SH032021 -12.40 110.60 TS 35 998 0 40,10,60,40 1003 125 25 -12.40 110.70 21 40 990 2.00 2.00 19 59, , ,59 79 1002 3 5 55 55 10 150
2021 SI WA 15:00:00 TS -12.80 110.80 502 502 P______P_______ SH032021 -12.90 110.80 TS 35 998 0 30,8,60,35 1003 138 25 -12.80 110.90 21 38 993 29 57 105 1003 10 160
2021 SI WA 18:00:00 TS -13.30 111.00 35 995 bom 554 554 O______V_______ jtwc_sh SH032021 -13.30 110.90 TS 35 998 0 20,5,60,30 1002 150 25 -13.30 111.00 21 35 995 2.50 2.50 39 , ,90,55 130 1004 5 49 49 9 160
2021 SI WA 21:00:00 TS -13.70 111.20 596 596 P______P_______ SH032021 -13.70 111.10 TS 35 999 0 1003 165 25 -13.80 111.20 21 35 995 29 , ,80,52 130 1004 9 150
2021 SI WA 2020-12-10 00:00:00 TS -14.10 111.50 35 995 bom 638 638 O______O_______ jtwc_sh SH032021 -14.00 111.40 TS 35 1000 0 1004 180 25 -14.20 111.50 21 35 995 2.50 2.50 19 , ,70,50 130 1004 3 5 49 49 10 135
2021 SI WA 03:00:00 TS -14.40 111.80 672 672 P______P_______ SH032021 -14.40 111.80 TS 35 1001 0 1004 180 25 -14.40 111.90 21 33 997 130 1004 11 125
2021 SI WA 06:00:00 TS -14.80 112.40 30 998 bom 699 699 O______O_______ jtwc_sh SH032021 -14.80 112.30 TS 35 1001 0 20,15,65,20 1004 180 25 -14.70 112.40 20 30 998 2.50 2.50 130 1004 3 5 45 45 13 125
2021 SI WA 09:00:00 TS -15.20 113.00 719 633 P______P_______ SH032021 -15.30 112.90 TS 35 1001 0 30,23,65,20 1004 180 25 -15.10 113.10 20 30 999 125 1004 17 125
2021 SI WA 12:00:00 TS -15.80 113.80 30 999 bom 628 509 O______O_______ jtwc_sh SH032021 -15.90 113.60 TS 35 1001 0 40,30,65,20 1004 180 25 -15.60 113.90 20 30 999 119 1004 5 45 45 21 130
2021 SI WA 15:00:00 TS -16.50 114.70 504 376 P______P_______ SH032021 -16.90 114.70 TS 40 999 0 50,38,65,20 1004 180 25 -16.10 114.70 20 33 997 105 1003 25 135
2021 SI WA 18:00:00 TS -17.50 115.60 35 995 bom 365 248 O______O_______ jtwc_sh SH032021 -18.00 115.80 TS 45 997 0 60,45,65,20 1003 180 25 -16.90 115.50 21 35 995 19 90,59, , 90 1002 3 5 49 49 26 140
2021 SI WA 21:00:00 TS -18.50 116.40 236 137 P______P_______ SH032021 -18.80 116.60 TS 43 998 0 70,55,65,18 1003 180 25 -18.10 116.20 21 40 994 19 90,59, , 105 1003 26 145
2021 SI WA 2020-12-11 00:00:00 TS -19.50 117.20 45 992 bom 129 11 O______O_______ jtwc_sh SH032021 -19.60 117.30 TS 40 999 0 80,65,65,15 1003 180 25 -19.40 117.10 21 45 992 19 90,59, , 119 1004 6 5 64 64 26 140
2021 SI WA 03:00:00 TS -20.40 118.20 40 995 bom 0 0 P______O_______ SH032021 -20.40 118.20 TS 38 999 0 50,43,43,18 1003 180 28 -20.40 118.20 21 40 995 19 90, , , 119 1004 6 5 55 55 25 135
2021 SI WA 06:00:00 TS -21.20 119.10 30 998 bom 0 0 O______O_______ jtwc_sh SH032021 -21.20 119.10 TS 35 999 0 20,20,20,20 1003 180 30 -21.20 119.10 20 30 998 99 1002 3 5 45 45 24 130
2021 SI WA 09:00:00 TS -22.00 120.10 0 0 P______________ SH032021 -22.00 120.10 TS 30 1001 -1 1003 180 30 25 130
2021 SI WA 12:00:00 TS -22.80 121.10 0 0 O______________ jtwc_sh SH032021 -22.80 121.10 TD 25 1002 -1 1003 180 30 24 130
2021 SI WA 15:00:00 TS -23.50 122.10 0 0 P______________ SH032021 -23.50 122.10 TD 25 1002 -1 1003 158 30 23 130
2021 SI WA 18:00:00 TS -24.30 123.00 0 0 O______________ jtwc_sh SH032021 -24.30 123.00 TD 25 1001 -1 1002 135 30 22 135
2021 SI WA 21:00:00 TS -25.10 123.80 0 0 P______________ SH032021 -25.10 123.80 TD 23 1001 -1 1002 153 30 22 140
2021 SI WA 2020-12-12 00:00:00 DS -25.90 124.60 0 O______________ jtwc_sh SH032021 -25.90 124.60 DB 20 1001 -3 1001 170 30 21 140