Site contains unofficial IBTrACS data. Visit the IBTrACS Website to access archived data.

2021 Tropical Storm LIONROCK (2021276N07131)


IBTrACS version v04r00. Visit IBTrACS website for data access.
Please direct all questions to the IBTrACS Q and A forum

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 15Z, 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
degrees north degrees east kts mb kts mb kts mb kts mb kts mb
WP 2021-10-02 18:00:00 NR 6.90 130.80 20 1005
WP 21:00:00 NR 7.12 130.25 20 1005
WP 2021-10-03 00:00:00 NR 7.40 129.60 20 1005
WP 03:00:00 NR 7.79 128.81 20 1005
WP 06:00:00 NR 8.20 128.10 20 1005
WP 09:00:00 NR 8.56 127.78 20 1005
WP 12:00:00 NR 8.90 127.50 20 1005
WP 15:00:00 NR 9.22 126.95 20 1005
WP 18:00:00 NR 9.50 126.30 20 1006
WP 21:00:00 NR 9.81 125.74 17 1008
WP 2021-10-04 00:00:00 NR 10.00 125.00 15 1010
WP 03:00:00 NR 9.94 123.79 15 1010
WP 06:00:00 NR 9.80 122.60 15 1010
WP 09:00:00 NR 9.72 121.88 12 1010
WP 12:00:00 NR 9.80 121.40 10 1010
WP 15:00:00 NR 10.17 121.01 12 1011
WP 18:00:00 NR 10.70 120.60 15 1012
WP 21:00:00 NR 11.28 119.89 15 1012
WP 2021-10-05 00:00:00 TS 11.76 119.16 1004 15 1012 1004
WP 03:00:00 TS 12.06 118.69 17 1008 1003
WP 06:00:00 TS 12.34 118.16 1002 20 1004 1002
WP 09:00:00 TS 12.69 117.43 20 1004 1002
WP 12:00:00 TS 13.05 116.70 1002 20 1004 1002
WP 15:00:00 TS 13.48 116.00 20 1005 1002
WP 18:00:00 TS 13.90 115.35 1002 20 1006 1002
WP 21:00:00 TS 14.22 114.75 20 1002 1001
WP 2021-10-06 00:00:00 TS 14.50 114.25 1000 20 999 1000
WP 03:00:00 TS 14.77 113.87 20 1001 1000
WP 06:00:00 TS 15.05 113.55 1000 20 1004 1000
WP 09:00:00 TS 15.37 113.15 20 1001 999
WP 12:00:00 TS 15.66 112.73 998 20 999 998 25 998
WP 15:00:00 TS 15.84 112.47 20 999 998 25 998
WP 18:00:00 TS 16.00 112.26 998 20 999 998 25 998
WP 21:00:00 TS 16.21 112.05 22 999 998 25 998
WP 2021-10-07 00:00:00 TS 16.43 111.87 998 25 1000 998 25 998
WP 03:00:00 TS 16.63 111.71 27 999 997 27 996
WP 06:00:00 TS 16.83 111.61 996 30 998 996 29 995 30 994
WP 09:00:00 TS 16.97 111.48 27 997 996 29 995 30 994
WP 12:00:00 TS 17.11 111.37 996 25 997 996 29 995 30 994
WP 15:00:00 TS 17.27 111.20 27 996 995 29 995 30 994
WP 18:00:00 TS 17.40 111.03 35 994 30 996 35 994 34 992 30 994
WP 21:00:00 TS 17.57 110.96 30 996 35 994 34 992 35 992
WP 2021-10-08 00:00:00 TS 17.80 110.93 35 994 30 996 35 994 38 990 35 992
WP 03:00:00 TS 18.10 110.84 32 994 35 994 38 990 40 990
WP 06:00:00 TS 18.52 110.80 35 994 35 993 35 994 38 990 40 990
WP 09:00:00 TS 18.80 110.74 40 991 35 994 38 990 40 990
WP 12:00:00 TS 19.00 110.68 35 994 45 989 35 994 38 990 40 990
WP 15:00:00 TS 19.23 110.42 40 991 35 994 38 990 40 990
WP 18:00:00 TS 19.32 110.05 35 994 35 994 35 994 38 990 40 990
WP 21:00:00 TS 19.42 109.89 32 995 35 994 38 992 40 990
WP 2021-10-09 00:00:00 TS 19.55 109.95 35 994 30 997 35 994 38 992 40 990
WP 03:00:00 TS 19.76 110.04 32 995 35 994 38 992 40 990
WP 06:00:00 TS 19.95 109.95 35 994 35 993 35 994 38 992 40 990
WP 09:00:00 TS 20.00 109.78 35 993 35 994 38 992 40 990
WP 12:00:00 TS 20.10 109.55 35 994 35 993 35 994 38 992 40 990
WP 15:00:00 TS 20.22 109.19 35 994 35 995 38 992 40 990
WP 18:00:00 TS 20.40 108.78 35 996 35 996 35 996 38 992 35 994
WP 21:00:00 TS 20.55 108.38 35 996 35 997 36 993 35 994
WP 2021-10-10 00:00:00 TS 20.68 107.95 35 998 35 996 35 998 34 995 35 994
WP 03:00:00 TS 20.70 107.45 32 999 999 31 996 30 996
WP 06:00:00 TS 20.68 106.94 1000 30 1002 1000 29 998 25 998
WP 09:00:00 TS 20.66 106.64 25 1002 1001 27 999 25 998
WP 12:00:00 TS 20.56 106.29 1002 20 1002 1002 25 1000 20 1002
WP 15:00:00 TS 20.39 105.90 1003 25 1000
WP 18:00:00 TS 20.20 105.45 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 degrees north degrees east kts mb km km degrees north degrees east kts mb 1 nmile mb nmile nmile degrees north degrees east 1 kts mb nmile nmile 1 degrees north degrees east 1 kts mb degrees north degrees east kts mb kts degrees
2021 WP MM 2021-10-02 18:00:00 NR 6.90 130.80 466 409 O_____________ jtwc_wp WP222021 6.90 130.80 DB 20 1005 -3 1011 100 60 12 292
2021 WP MM 21:00:00 NR 7.12 130.25 409 331 P_____________ WP222021 7.12 130.25 DB 20 1005 -3 1008 112 60 13 293
2021 WP MM 2021-10-03 00:00:00 NR 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 NR 7.79 128.81 242 174 P_____________ WP222021 7.79 128.81 DB 20 1005 -3 1006 132 60 17 298
2021 WP MM 06:00:00 NR 8.20 128.10 174 155 O_____________ jtwc_wp WP222021 8.20 128.10 DB 20 1005 -3 1007 140 60 13 307
2021 WP MM 09:00:00 NR 8.56 127.78 157 132 P_____________ WP222021 8.56 127.78 DB 20 1005 -3 1007 170 60 9 320
2021 WP MM 12:00:00 NR 8.90 127.50 132 87 O_____________ jtwc_wp WP222021 8.90 127.50 DB 20 1005 -3 1008 200 60 10 309
2021 WP MM 15:00:00 NR 9.22 126.95 87 31 P_____________ WP222021 9.22 126.95 DB 20 1005 -3 1008 200 60 13 297
2021 WP MM 18:00:00 NR 9.50 126.30 32 15 O_____________ jtwc_wp WP222021 9.50 126.30 DB 20 1006 -3 1008 200 60 13 296
2021 WP MM 21:00:00 NR 9.81 125.74 15 10 P_____________ WP222021 9.81 125.74 DB 17 1008 -3 1009 200 60 14 291
2021 WP MM 2021-10-04 00:00:00 NR 10.00 125.00 0 0 O_____________ jtwc_wp WP222021 10.00 125.00 DB 15 1010 -3 1010 200 60 19 274
2021 WP MM 03:00:00 NR 9.94 123.79 10 0 P_____________ WP222021 9.94 123.79 DB 15 1010 -3 1010 200 60 24 265
2021 WP MM 06:00:00 NR 9.80 122.60 0 0 O_____________ jtwc_wp WP222021 9.80 122.60 DB 15 1010 -3 1010 200 60 19 263
2021 WP MM 09:00:00 NR 9.72 121.88 55 55 P_____________ WP222021 9.72 121.88 DB 12 1010 -3 1010 200 60 12 270
2021 WP MM 12:00:00 NR 9.80 121.40 86 86 O_____________ jtwc_wp WP222021 9.80 121.40 DB 10 1010 -3 1010 200 60 10 298
2021 WP MM 15:00:00 NR 10.17 121.01 101 100 P_____________ WP222021 10.17 121.01 DB 12 1011 -3 1011 200 60 12 319
2021 WP MM 18:00:00 NR 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 NR 11.28 119.89 32 15 P_____________ WP222021 11.28 119.89 DB 15 1012 -3 1012 200 60 18 307
2021 WP MM 2021-10-05 00:00:00 TS 11.76 119.16 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 14 303
2021 WP MM 03:00:00 TS 12.06 118.69 124 124 PP____________ WP222021 12.09 118.85 DB 17 1008 -3 1010 200 55 11.99 118.37 2 1003 0 0 11 301
2021 WP MM 06:00:00 TS 12.34 118.16 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 14 297
2021 WP MM 09:00:00 TS 12.69 117.43 274 274 PP____________ WP222021 12.52 117.87 DB 20 1004 -3 1008 200 55 12.85 116.99 2 1002 0 0 16 296
2021 WP MM 12:00:00 TS 13.05 116.70 1002 tokyo 362 356 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 TS 13.48 116.00 450 450 PP____________ WP222021 13.24 116.30 DB 20 1005 -3 1008 200 70 13.73 115.70 2 1002 0 0 16 303
2021 WP MM 18:00:00 TS 13.90 115.35 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 14 301
2021 WP MM 21:00:00 TS 14.22 114.75 563 542 PP____________ WP222021 14.07 114.74 DB 20 1002 -3 1005 200 80 14.37 114.76 2 1001 0 0 12 299
2021 WP MM 2021-10-06 00:00:00 TS 14.50 114.25 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 10 303
2021 WP MM 03:00:00 TS 14.77 113.87 505 479 PP____________ WP222021 14.70 113.66 DB 20 1001 -3 1004 200 80 14.85 114.08 2 1000 0 0 9 309
2021 WP MM 06:00:00 TS 15.05 113.55 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 TS 15.37 113.15 447 409 PP____________ WP222021 15.37 112.81 DB 20 1001 -3 1004 215 90 15.36 113.49 2 999 0 0 10 308
2021 WP MM 12:00:00 TS 15.66 112.73 998 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 8 306
2021 WP MM 15:00:00 TS 15.84 112.47 385 363 PPP___________ WP222021 15.88 112.20 DB 20 999 -3 1002 230 100 15.79 112.95 2 998 0 0 15.84 112.05 1 25 998 6 307
2021 WP MM 18:00:00 TS 16.00 112.26 998 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 6 313
2021 WP MM 21:00:00 TS 16.21 112.05 325 301 PPP___________ WP222021 16.15 112.01 MD 22 999 -3 1002 230 90 16.31 112.39 2 998 0 0 16.19 111.74 1 25 998 6 319
2021 WP MM 2021-10-07 00:00:00 TS 16.43 111.87 998 tokyo 301 270 OOO___________ 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 5 322
2021 WP MM 03:00:00 TS 16.63 111.71 270 246 PPP___________ WP222021 16.45 111.72 TD 27 999 -1 1002 230 75 16.77 111.93 2 997 0 0 16.66 111.49 1 27 996 5 328
2021 WP MM 06:00:00 TS 16.83 111.61 996 tokyo 246 223 OOOO__________ 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 4 327
2021 WP MM 09:00:00 TS 16.97 111.48 223 207 PPPO__________ WP222021 16.74 111.27 TD 27 997 -1 1001 215 67 17.06 111.62 2 996 0 0 17.00 111.35 1 29 995 17.20 111.90 TD 30 994 4 322
2021 WP MM 12:00:00 TS 17.11 111.37 996 tokyo 207 176 OOOO__________ 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 4 318
2021 WP MM 15:00:00 TS 17.27 111.20 176 154 PPOO__________ WP222021 17.13 111.07 TD 27 996 -1 1001 210 65 17.25 111.13 2 995 0 0 17.30 111.20 1 29 995 17.40 111.40 TD 30 994 4 311
2021 WP MM 18:00:00 TS 17.40 111.03 35 994 tokyo 154 138 OOOO__________ 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 4 323
2021 WP MM 21:00:00 TS 17.57 110.96 138 113 PPOO__________ WP222021 17.70 111.13 TD 30 996 -1 1002 210 57 17.39 110.82 3 35 994 0 2 400 270 17.70 111.00 2 34 992 17.50 110.90 TS 35 992 4 347
2021 WP MM 2021-10-08 00:00:00 TS 17.80 110.93 35 994 tokyo 113 79 OOOO__________ 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 5 347
2021 WP MM 03:00:00 TS 18.10 110.84 79 46 PPOO__________ WP222021 18.27 110.92 TD 32 994 -1 1002 200 47 18.04 110.75 3 35 994 0 2 400 270 18.20 110.90 2 38 990 17.90 110.80 TS 40 990 7 351
2021 WP MM 06:00:00 TS 18.52 110.80 35 994 tokyo 46 21 OOOO__________ 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 7 353
2021 WP MM 09:00:00 TS 18.80 110.74 21 10 PPOO__________ WP222021 18.71 110.61 TS 40 991 0 40,30, ,45 1002 200 42 18.79 110.67 3 35 994 0 2 400 270 18.90 110.80 2 38 990 18.80 110.90 TS 40 990 5 346
2021 WP MM 12:00:00 TS 19.00 110.68 35 994 tokyo 10 0 OOOO__________ jtwc_wp WP222021 18.90 110.50 TS 45 989 0 30,30, ,50 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 5 324
2021 WP MM 15:00:00 TS 19.23 110.42 0 0 PPOO__________ WP222021 19.10 110.27 TS 40 991 0 25,25, ,35 1002 227 40 19.22 110.40 3 35 994 0 2 400 270 19.30 110.50 2 38 990 19.30 110.50 TS 40 990 7 299
2021 WP MM 18:00:00 TS 19.32 110.05 35 994 tokyo 0 0 OOOO__________ jtwc_wp WP222021 19.30 110.00 TS 35 994 0 20,20, ,20 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 5 291
2021 WP MM 21:00:00 TS 19.42 109.89 0 0 PPOO__________ WP222021 19.51 109.72 TS 32 995 -1 1002 255 40 19.56 110.13 3 35 994 0 2 362 270 19.30 109.80 2 38 992 19.30 109.90 TS 40 990 2 337
2021 WP MM 2021-10-09 00:00:00 TS 19.55 109.95 35 994 tokyo 0 0 OOOO__________ 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 4 23
2021 WP MM 03:00:00 TS 19.76 110.04 0 0 PPOO__________ WP222021 19.87 109.44 TD 32 995 -1 1002 247 50 19.85 110.01 3 35 994 0 2 325 270 19.80 110.20 2 38 992 19.50 110.50 TS 40 990 4 0
2021 WP MM 06:00:00 TS 19.95 109.95 35 994 tokyo 10 10 OOOO__________ 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 3 315
2021 WP MM 09:00:00 TS 20.00 109.78 11 11 PPOO__________ WP222021 20.07 109.22 TS 35 993 0 55,20,20,55 1001 245 65 20.14 109.80 3 35 994 0 2 325 270 19.90 110.00 2 38 992 19.90 110.10 TS 40 990 4 292
2021 WP MM 12:00:00 TS 20.10 109.55 35 994 tokyo 22 22 OOOO__________ 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 6 291
2021 WP MM 15:00:00 TS 20.22 109.19 45 45 PPPO__________ WP222021 20.13 108.83 TS 35 994 0 50,22,22,50 1001 250 70 20.51 109.19 3 35 995 0 2 325 255 20.13 109.45 2 38 992 20.10 109.30 TS 40 990 8 292
2021 WP MM 18:00:00 TS 20.40 108.78 35 996 tokyo 85 85 OOOO__________ 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 8 294
2021 WP MM 21:00:00 TS 20.55 108.38 102 70 PPPO__________ WP222021 20.34 108.24 TS 35 996 0 45,22,22,45 1002 235 65 20.84 108.31 3 35 997 0 2 297 195 20.53 108.57 2 36 993 20.50 108.40 TS 35 994 8 290
2021 WP MM 2021-10-10 00:00:00 TS 20.68 107.95 35 998 tokyo 70 35 OOOO__________ 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 9 279
2021 WP MM 03:00:00 TS 20.70 107.45 35 20 PPPO__________ WP222021 20.62 107.33 TS 32 999 -1 1004 212 55 20.87 107.38 3 999 0 2 20.70 107.59 2 31 996 20.60 107.50 TD 30 996 9 270
2021 WP MM 06:00:00 TS 20.68 106.94 1000 tokyo 10 0 OOOO__________ 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 8 267
2021 WP MM 09:00:00 TS 20.66 106.64 0 0 PPPO__________ WP222021 20.76 106.57 TD 25 1002 -1 1006 197 37 20.75 106.59 2 1001 0 0 20.54 106.69 1 27 999 20.60 106.70 TD 25 998 6 259
2021 WP MM 12:00:00 TS 20.56 106.29 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 7 249
2021 WP MM 15:00:00 TS 20.39 105.90 0 0 _PP___________ WP222021 DB -3 20.65 105.89 2 1003 0 0 20.14 105.90 1 25 1000 9 245
2021 WP MM 18:00:00 TS 20.20 105.45 1004 tokyo 0 _OO___________ -5 20.60 105.40 2 1004 0 0 0 19.80 105.50 1 25 1000 9 245