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2021 Tropical Storm LIONROCK (2021276N07131)


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

Summary Information

Storm ID 2021276N07131
Start Oct 2 18Z
Landfall Oct 4 00Z, Oct 4 06Z, Oct 8 12Z, Oct 10 09Z
Max Intensity 45 kt (Oct 8 12Z), 989 mb (Oct 8 12Z)
End Oct 10 18Z
ATCF IDs ,WP222021
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 TOKYO WIND TOKYO PRES CMA WIND CMA PRES HKO WIND HKO PRES
days since 1858-11-17 00:00:00 degrees north degrees east kts kts 1 kts 1 kts kts
WP 2021-10-02 18:00:00 DS 6.90 130.80 20 1005
WP 21:00:00 DS 7.10 130.30 20 1005
WP 2021-10-03 00:00:00 DS 7.40 129.60 20 1005
WP 03:00:00 DS 7.80 128.80 20 1005
WP 06:00:00 DS 8.20 128.10 20 1005
WP 09:00:00 DS 8.60 127.80 20 1005
WP 12:00:00 DS 8.90 127.50 20 1005
WP 15:00:00 DS 9.20 127.00 20 1006
WP 18:00:00 DS 9.50 126.30 20 1006
WP 21:00:00 DS 9.80 125.70 18 1008
WP 2021-10-04 00:00:00 DS 10.00 125.00 15 1010
WP 03:00:00 DS 9.90 123.80 15 1010
WP 06:00:00 DS 9.80 122.60 15 1010
WP 09:00:00 DS 9.70 121.90 13 1010
WP 12:00:00 DS 9.80 121.40 10 1010
WP 15:00:00 DS 10.20 121.00 13 1011
WP 18:00:00 DS 10.70 120.60 15 1012
WP 21:00:00 DS 11.30 119.90 15 1012
WP 2021-10-05 00:00:00 MX 11.80 119.20 1004 15 1012 1004
WP 03:00:00 MX 12.10 118.70 18 1008 1003
WP 06:00:00 MX 12.30 118.20 1002 20 1004 1002
WP 09:00:00 MX 12.70 117.40 20 1004 1002
WP 12:00:00 MX 13.10 116.70 1002 20 1004 1002
WP 15:00:00 MX 13.50 116.00 20 1005 1002
WP 18:00:00 MX 13.90 115.40 1002 20 1006 1002
WP 21:00:00 MX 14.20 114.80 20 1003 1001
WP 2021-10-06 00:00:00 MX 14.50 114.30 1000 20 999 1000
WP 03:00:00 MX 14.80 113.90 20 1002 1000
WP 06:00:00 MX 15.10 113.60 1000 20 1004 1000
WP 09:00:00 MX 15.40 113.20 20 1002 999
WP 12:00:00 MX 15.70 112.70 998 20 999 998 25 998
WP 15:00:00 MX 15.80 112.50 20 999 998 25 998
WP 18:00:00 MX 16.00 112.30 998 20 999 998 25 998
WP 21:00:00 MX 16.20 112.00 23 1000 998 25 998
WP 2021-10-07 00:00:00 TS 16.50 111.80 998 25 1000 998 25 998
WP 03:00:00 TS 16.70 111.60 28 999 997 27 997
WP 06:00:00 TS 16.80 111.50 996 30 998 996 29 995 30 994
WP 09:00:00 TS 17.00 111.30 28 998 996 29 995 30 994
WP 12:00:00 TS 17.10 111.30 996 25 997 996 29 995 30 994
WP 15:00:00 TS 17.30 111.10 28 997 995 29 995 30 994
WP 18:00:00 TS 17.40 111.00 35 994 30 996 35 994 34 992 30 994
WP 21:00:00 TS 17.60 110.90 30 996 35 994 34 992 35 992
WP 2021-10-08 00:00:00 TS 17.80 110.90 35 994 30 996 35 994 38 990 35 992
WP 03:00:00 TS 18.10 110.80 33 995 35 994 38 990 40 990
WP 06:00:00 TS 18.50 110.80 35 994 35 993 35 994 38 990 40 990
WP 09:00:00 TS 18.80 110.70 40 991 35 994 38 990 40 990
WP 12:00:00 TS 19.00 110.60 35 994 45 989 35 994 38 990 40 990
WP 15:00:00 TS 19.20 110.40 40 992 35 994 38 990 40 990
WP 18:00:00 TS 19.30 110.10 35 994 35 994 35 994 38 990 40 990
WP 21:00:00 TS 19.40 110.00 33 996 35 994 38 992 40 990
WP 2021-10-09 00:00:00 TS 19.60 110.00 35 994 30 997 35 994 38 992 40 990
WP 03:00:00 TS 19.70 110.10 33 995 35 994 38 992 40 990
WP 06:00:00 TS 19.90 110.00 35 994 35 993 35 994 38 992 40 990
WP 09:00:00 TS 20.00 109.80 35 993 35 994 38 992 40 990
WP 12:00:00 TS 20.10 109.60 35 994 35 993 35 994 38 992 40 990
WP 15:00:00 TS 20.20 109.20 35 995 35 995 38 992 40 990
WP 18:00:00 TS 20.40 108.70 35 996 35 996 35 996 38 992 35 994
WP 21:00:00 TS 20.50 108.30 35 996 35 997 36 994 35 994
WP 2021-10-10 00:00:00 TS 20.60 107.90 35 998 35 996 35 998 34 995 35 994
WP 03:00:00 TS 20.70 107.40 33 999 999 32 997 30 996
WP 06:00:00 TS 20.70 106.90 1000 30 1002 1000 29 998 25 998
WP 09:00:00 TS 20.70 106.60 25 1002 1001 27 999 25 998
WP 12:00:00 MX 20.60 106.30 1002 20 1002 1002 25 1000 20 1002
WP 15:00:00 TS 20.40 105.90 1003 25 1000
WP 18:00:00 TS 20.20 105.50 1004 1004 25 1000

Source Information

Agency Information
USA bwp222021.dat
TOKYO bst_all.txt:Line=69544:LIONROCK:2117
CMA CH2021BST.txt:Storm=20:Lionrock
HKO HKO_best_track_2021.csv:Line=638:LIONROCK
NEWDELHI
REUNION
BOM
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 TOKYO LAT TOKYO LON TOKYO GRADE TOKYO WIND TOKYO PRES TOKYO R50_DIR TOKYO R30_DIR TOKYO R30_LONG TOKYO R30_SHORT TOKYO LAND CMA LAT CMA LON CMA CAT CMA WIND CMA PRES HKO LAT HKO LON HKO CAT HKO WIND HKO PRES 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 nmile degrees north degrees east 1 kts mb nmile nmile nmile 1 degrees north degrees east 1 kts mb degrees north degrees east kts degrees north degrees east
2021 WP MM 2021-10-02 18:00:00 DS 6.90 130.80 466 409 O______________ jtwc_wp WP222021 6.90 130.80 DB 20 1005 -3 1011 100 60 12 290
2021 WP MM 21:00:00 DS 7.10 130.30 409 331 P______________ WP222021 7.10 130.30 DB 20 1005 -3 1009 113 60 13 295
2021 WP MM 2021-10-03 00:00:00 DS 7.40 129.60 331 242 O______________ jtwc_wp WP222021 7.40 129.60 DB 20 1005 -3 1006 125 60 16 295
2021 WP MM 03:00:00 DS 7.80 128.80 242 174 P______________ WP222021 7.80 128.80 DB 20 1005 -3 1007 133 60 17 300
2021 WP MM 06:00:00 DS 8.20 128.10 174 155 O______________ jtwc_wp WP222021 8.20 128.10 DB 20 1005 -3 1007 140 60 13 305
2021 WP MM 09:00:00 DS 8.60 127.80 157 132 P______________ WP222021 8.60 127.80 DB 20 1005 -3 1008 170 60 9 320
2021 WP MM 12:00:00 DS 8.90 127.50 132 87 O______________ jtwc_wp WP222021 8.90 127.50 DB 20 1005 -3 1008 200 60 10 310
2021 WP MM 15:00:00 DS 9.20 127.00 87 31 P______________ WP222021 9.20 127.00 DB 20 1006 -3 1008 200 60 13 295
2021 WP MM 18:00:00 DS 9.50 126.30 32 15 O______________ jtwc_wp WP222021 9.50 126.30 DB 20 1006 -3 1008 200 60 13 295
2021 WP MM 21:00:00 DS 9.80 125.70 15 10 P______________ WP222021 9.80 125.70 DB 18 1008 -3 1009 200 60 14 290
2021 WP MM 2021-10-04 00:00:00 DS 10.00 125.00 0 0 O______________ jtwc_wp WP222021 10.00 125.00 DB 15 1010 -3 1010 200 60 19 275
2021 WP MM 03:00:00 DS 9.90 123.80 10 0 P______________ WP222021 9.90 123.80 DB 15 1010 -3 1010 200 60 24 265
2021 WP MM 06:00:00 DS 9.80 122.60 0 0 O______________ jtwc_wp WP222021 9.80 122.60 DB 15 1010 -3 1010 200 60 19 265
2021 WP MM 09:00:00 DS 9.70 121.90 55 55 P______________ WP222021 9.70 121.90 DB 13 1010 -3 1010 200 60 12 270
2021 WP MM 12:00:00 DS 9.80 121.40 86 86 O______________ jtwc_wp WP222021 9.80 121.40 DB 10 1010 -3 1010 200 60 10 300
2021 WP MM 15:00:00 DS 10.20 121.00 101 100 P______________ WP222021 10.20 121.00 DB 13 1011 -3 1011 200 60 12 320
2021 WP MM 18:00:00 DS 10.70 120.60 100 32 O______________ jtwc_wp WP222021 10.70 120.60 DB 15 1012 -3 1012 200 60 16 315
2021 WP MM 21:00:00 DS 11.30 119.90 32 15 P______________ WP222021 11.30 119.90 DB 15 1012 -3 1012 200 60 18 305
2021 WP MM 2021-10-05 00:00:00 MX 11.80 119.20 1004 tokyo 64 64 OO_____________ jtwc_wp WP222021 11.80 119.20 DB 15 1012 -3 1012 200 60 11.60 119.00 2 1004 0 0 0 14 305
2021 WP MM 03:00:00 MX 12.10 118.70 124 124 PP_____________ WP222021 12.10 118.80 DB 18 1008 -3 1010 200 55 12.00 118.40 2 1003 0 0 11 300
2021 WP MM 06:00:00 MX 12.30 118.20 1002 tokyo 179 179 OO_____________ jtwc_wp WP222021 12.30 118.50 DB 20 1004 -3 1008 200 50 12.40 117.70 2 1002 0 0 0 14 295
2021 WP MM 09:00:00 MX 12.70 117.40 274 274 PP_____________ WP222021 12.50 117.90 DB 20 1004 -3 1008 200 55 12.90 117.00 2 1002 0 0 16 295
2021 WP MM 12:00:00 MX 13.10 116.70 1002 tokyo 362 362 OO_____________ jtwc_wp WP222021 12.80 117.10 DB 20 1004 -3 1008 200 60 13.30 116.30 2 1002 0 0 0 16 300
2021 WP MM 15:00:00 MX 13.50 116.00 450 450 PP_____________ WP222021 13.20 116.30 DB 20 1005 -3 1008 200 70 13.70 115.70 2 1002 0 0 16 305
2021 WP MM 18:00:00 MX 13.90 115.40 1002 tokyo 512 512 OO_____________ jtwc_wp WP222021 13.70 115.50 DB 20 1006 -3 1008 200 80 14.10 115.20 2 1002 0 0 0 14 300
2021 WP MM 21:00:00 MX 14.20 114.80 563 542 PP_____________ WP222021 14.10 114.70 DB 20 1003 -3 1005 200 80 14.40 114.80 2 1001 0 0 12 300
2021 WP MM 2021-10-06 00:00:00 MX 14.50 114.30 1000 tokyo 543 503 OO_____________ jtwc_wp WP222021 14.40 114.10 DB 20 999 -3 1002 200 80 14.60 114.40 2 1000 0 0 0 10 305
2021 WP MM 03:00:00 MX 14.80 113.90 505 479 PP_____________ WP222021 14.70 113.70 DB 20 1002 -3 1005 200 80 14.80 114.10 2 1000 0 0 9 310
2021 WP MM 06:00:00 MX 15.10 113.60 1000 tokyo 482 445 OO_____________ jtwc_wp WP222021 15.00 113.30 DB 20 1004 -3 1007 200 80 15.10 113.80 2 1000 0 0 0 9 310
2021 WP MM 09:00:00 MX 15.40 113.20 447 409 PP_____________ WP222021 15.40 112.80 DB 20 1002 -3 1005 215 90 15.40 113.50 2 999 0 0 10 310
2021 WP MM 12:00:00 MX 15.70 112.70 998 tokyo 402 385 OOO____________ jtwc_wp WP222021 15.70 112.40 DB 20 999 -3 1002 230 100 15.60 113.20 2 998 0 0 0 15.70 112.20 1 25 998 8 305
2021 WP MM 15:00:00 MX 15.80 112.50 385 363 PPP____________ WP222021 15.90 112.20 DB 20 999 -3 1002 230 100 15.80 112.90 2 998 0 0 15.80 112.10 1 25 998 6 305
2021 WP MM 18:00:00 MX 16.00 112.30 998 tokyo 363 332 OOO____________ jtwc_wp WP222021 16.00 112.10 MD 20 999 -3 1002 230 100 16.00 112.70 2 998 0 0 0 16.00 111.90 1 25 998 6 315
2021 WP MM 21:00:00 MX 16.20 112.00 325 294 PPP____________ WP222021 16.10 112.00 MD 23 1000 -3 1002 230 90 16.30 112.40 2 998 0 0 16.20 111.70 1 25 998 6 315
2021 WP MM 2021-10-07 00:00:00 TS 16.50 111.80 998 tokyo 285 263 OOO_O__________ jtwc_wp WP222021 16.30 111.90 TD 25 1000 -1 1002 230 80 16.60 112.10 2 998 0 0 0 16.40 111.60 1 25 998 6 315
2021 WP MM 03:00:00 TS 16.70 111.60 254 239 PPP_P__________ WP222021 16.50 111.70 TD 28 999 -1 1002 230 75 16.80 111.90 2 997 0 0 16.70 111.50 1 27 997 5 320
2021 WP MM 06:00:00 TS 16.80 111.50 996 tokyo 239 208 OOOOO__________ jtwc_wp WP222021 16.60 111.50 TD 30 998 -1 1002 230 70 16.90 111.80 2 996 0 0 0 16.90 111.40 1 29 995 17.20 112.10 TD 30 994 4 325
2021 WP MM 09:00:00 TS 17.00 111.30 208 200 PPPOP__________ WP222021 16.70 111.30 TD 28 998 -1 1001 215 68 17.10 111.60 2 996 0 0 17.00 111.40 1 29 995 17.20 111.90 TD 30 994 4 325
2021 WP MM 12:00:00 TS 17.10 111.30 996 tokyo 200 169 OOOOO__________ jtwc_wp WP222021 16.90 111.10 TD 25 997 -1 1000 200 65 17.20 111.40 2 996 0 0 0 17.10 111.30 1 29 995 17.30 111.80 TD 30 994 4 325
2021 WP MM 15:00:00 TS 17.30 111.10 169 154 PPOOP__________ WP222021 17.10 111.10 TD 28 997 -1 1001 210 65 17.30 111.10 2 995 0 0 17.30 111.20 1 29 995 17.40 111.40 TD 30 994 4 320
2021 WP MM 18:00:00 TS 17.40 111.00 35 994 tokyo 154 130 OOOOO__________ jtwc_wp WP222021 17.40 111.10 TD 30 996 -1 1002 220 65 17.30 110.90 3 35 994 0 2 400 270 0 17.50 111.10 2 34 992 17.40 111.00 TD 30 994 3 330
2021 WP MM 21:00:00 TS 17.60 110.90 130 113 PPOOP__________ WP222021 17.70 111.10 TD 30 996 -1 1002 210 58 17.40 110.80 3 35 994 0 2 400 270 17.70 111.00 2 34 992 17.50 110.90 TS 35 992 4 345
2021 WP MM 2021-10-08 00:00:00 TS 17.80 110.90 35 994 tokyo 113 79 OOOOO__________ jtwc_wp WP222021 18.00 111.10 TD 30 996 -1 1002 200 50 17.60 110.80 3 35 994 0 2 400 270 0 17.90 110.90 2 38 990 17.70 110.90 TS 35 992 5 350
2021 WP MM 03:00:00 TS 18.10 110.80 79 46 PPOOP__________ WP222021 18.30 110.90 TD 33 995 -1 1002 200 48 18.00 110.80 3 35 994 0 2 400 270 18.20 110.90 2 38 990 17.90 110.80 TS 40 990 8 350
2021 WP MM 06:00:00 TS 18.50 110.80 35 994 tokyo 46 21 OOOOO__________ jtwc_wp WP222021 18.50 110.70 TS 35 993 0 50,30,20,40 1002 200 45 18.50 110.70 3 35 994 0 2 400 270 0 18.60 110.90 2 38 990 18.50 110.90 TS 40 990 7 350
2021 WP MM 09:00:00 TS 18.80 110.70 21 0 PPOOP__________ WP222021 18.70 110.60 TS 40 991 0 1002 200 43 18.80 110.70 3 35 994 0 2 400 270 18.90 110.80 2 38 990 18.80 110.90 TS 40 990 5 345
2021 WP MM 12:00:00 TS 19.00 110.60 35 994 tokyo 0 0 OOOOO__________ jtwc_wp WP222021 18.90 110.50 TS 45 989 0 1002 200 40 19.00 110.60 3 35 994 0 2 400 270 0 19.10 110.70 2 38 990 19.00 110.90 TS 40 990 5 325
2021 WP MM 15:00:00 TS 19.20 110.40 0 0 PPOOP__________ WP222021 19.10 110.30 TS 40 992 0 1002 228 40 19.20 110.40 3 35 994 0 2 400 270 19.30 110.50 2 38 990 19.30 110.50 TS 40 990 6 305
2021 WP MM 18:00:00 TS 19.30 110.10 35 994 tokyo 0 0 OOOOO__________ jtwc_wp WP222021 19.30 110.00 TS 35 994 0 1002 255 40 19.40 110.20 3 35 994 0 2 400 270 0 19.30 110.00 2 38 990 19.30 110.00 TS 40 990 5 295
2021 WP MM 21:00:00 TS 19.40 110.00 0 0 PPOOP__________ WP222021 19.50 109.70 TS 33 996 -1 1002 255 40 19.60 110.10 3 35 994 0 2 363 270 19.30 109.80 2 38 992 19.30 109.90 TS 40 990 2 345
2021 WP MM 2021-10-09 00:00:00 TS 19.60 110.00 35 994 tokyo 0 0 OOOOO__________ jtwc_wp WP222021 19.70 109.50 TD 30 997 -1 1002 255 40 19.70 110.10 3 35 994 0 2 325 270 0 19.60 110.00 2 38 992 19.20 110.20 TS 40 990 3 20
2021 WP MM 03:00:00 TS 19.70 110.10 0 0 PPOOP__________ WP222021 19.90 109.40 TD 33 995 -1 1002 248 50 19.80 110.00 3 35 994 0 2 325 270 19.80 110.20 2 38 992 19.50 110.50 TS 40 990 4 355
2021 WP MM 06:00:00 TS 19.90 110.00 35 994 tokyo 0 0 OOOOO__________ jtwc_wp WP222021 20.00 109.40 TS 35 993 0 60,20,20,60 1002 240 60 20.00 109.90 3 35 994 0 2 325 270 0 20.00 110.20 2 38 992 19.80 110.30 TS 40 990 4 315
2021 WP MM 09:00:00 TS 20.00 109.80 11 11 PPOOP__________ WP222021 20.10 109.20 TS 35 993 0 55,20,20,55 1002 245 65 20.10 109.80 3 35 994 0 2 325 270 19.90 110.00 2 38 992 19.90 110.10 TS 40 990 4 295
2021 WP MM 12:00:00 TS 20.10 109.60 35 994 tokyo 22 22 OOOOO__________ jtwc_wp WP222021 20.10 109.00 TS 35 993 0 50,20,20,50 1001 250 70 20.30 109.60 3 35 994 0 2 325 270 0 20.00 109.80 2 38 992 20.00 109.80 TS 40 990 6 290
2021 WP MM 15:00:00 TS 20.20 109.20 45 45 PPPOP__________ WP222021 20.10 108.80 TS 35 995 0 50,23,23,50 1001 250 70 20.50 109.20 3 35 995 0 2 325 255 20.10 109.40 2 38 992 20.10 109.30 TS 40 990 8 290
2021 WP MM 18:00:00 TS 20.40 108.70 35 996 tokyo 91 91 OOOOO__________ jtwc_wp WP222021 20.20 108.60 TS 35 996 0 50,25,25,50 1001 250 70 20.70 108.70 3 35 996 0 2 325 240 0 20.30 109.00 2 38 992 20.40 108.80 TS 35 994 9 290
2021 WP MM 21:00:00 TS 20.50 108.30 108 68 PPPOP__________ WP222021 20.30 108.20 TS 35 996 0 45,23,23,45 1002 235 65 20.80 108.30 3 35 997 0 2 298 195 20.50 108.60 2 36 994 20.50 108.40 TS 35 994 9 290
2021 WP MM 2021-10-10 00:00:00 TS 20.60 107.90 35 998 tokyo 68 30 OOOOO__________ jtwc_wp WP222021 20.50 107.80 TS 35 996 0 40,20,20,40 1003 220 60 20.90 107.90 3 35 998 0 2 270 150 0 20.70 108.10 2 34 995 20.60 108.00 TS 35 994 9 280
2021 WP MM 03:00:00 TS 20.70 107.40 30 10 PPPOP__________ WP222021 20.60 107.30 TS 33 999 -1 1005 213 55 20.90 107.40 3 999 0 2 20.70 107.60 2 32 997 20.60 107.50 TD 30 996 9 275
2021 WP MM 06:00:00 TS 20.70 106.90 1000 tokyo 10 0 OOOOO__________ jtwc_wp WP222021 20.70 106.90 TD 30 1002 -1 1006 205 50 20.80 106.90 2 1000 0 0 0 20.60 107.10 1 29 998 20.60 106.80 TD 25 998 7 265
2021 WP MM 09:00:00 TS 20.70 106.60 0 0 PPPO___________ WP222021 20.80 106.60 TD 25 1002 -1 1006 198 38 20.70 106.60 2 1001 0 0 20.50 106.70 1 27 999 20.60 106.70 TD 25 998 6 260
2021 WP MM 12:00:00 MX 20.60 106.30 1002 tokyo 0 0 OOOO___________ jtwc_wp WP222021 20.80 106.30 DB 20 1002 -3 1006 190 25 20.70 106.30 2 1002 0 0 0 20.40 106.30 1 25 1000 20.40 106.20 LW 20 1002 7 250
2021 WP MM 15:00:00 TS 20.40 105.90 0 0 _PP____________ WP222021 DB -3 20.70 105.90 2 1003 0 0 20.10 105.90 1 25 1000 9 245
2021 WP MM 18:00:00 TS 20.20 105.50 1004 tokyo 0 _OO____________ -5 20.60 105.40 2 1004 0 0 0 19.80 105.50 1 25 1000 9 245