1988 Severe Tropical Cyclone ILONA (1988347S12128)


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

Summary Information

Satellite image near maximum intensity
Storm ID 1988347S12128
Start Dec 12 00Z
Landfall Dec 17 18Z
Max Intensity 85 kt (Dec 17 00Z), 960 mb (Dec 17 00Z)
End Dec 19 18Z
ATCF IDs ,SH031989
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 BOM WIND BOM PRES TD9636 WIND NEUMANN WIND NEUMANN PRES
degrees north degrees east kts mb kts kts mb kts kts mb
SI 1988-12-12 00:00:00 NR -12.00 128.30 25 1000 25 1000
SI 03:00:00 NR -12.60 127.60 25 1000 25 1000
SI 06:00:00 TS -13.60 126.40 25 998 20 25 998 20 20
SI 09:00:00 TS -14.16 125.73 25 998 20 25 998 20 20
SI 12:00:00 TS -14.71 125.01 30 997 20 30 997 20 20
SI 15:00:00 TS -15.13 124.24 30 997 22 30 997 21 22
SI 18:00:00 TS -15.47 123.64 30 997 25 30 997 22 25
SI 21:00:00 TS -15.83 123.03 25 32 996 23 25
SI 1988-12-13 00:00:00 TS -16.12 122.43 35 996 25 35 996 25 25
SI 03:00:00 TS -16.30 121.85 27 35 995 27 27
SI 06:00:00 TS -16.40 121.28 35 995 30 35 995 30 30
SI 09:00:00 TS -16.50 120.71 32 35 994 32 32
SI 12:00:00 TS -16.55 120.15 35 994 35 35 994 35 35
SI 15:00:00 TS -16.50 119.62 37 37 993 37 37
SI 18:00:00 TS -16.39 119.10 40 993 40 40 993 40 40
SI 21:00:00 TS -16.25 118.56 42 40 992 42 42
SI 1988-12-14 00:00:00 TS -16.12 118.05 40 992 45 40 992 45 45
SI 03:00:00 TS -16.11 117.57 45 40 991 46 45
SI 06:00:00 TS -16.13 117.13 40 991 45 40 991 47 45
SI 09:00:00 TS -16.13 116.75 47 42 989 48 47
SI 12:00:00 TS -16.12 116.45 45 988 50 45 988 50 50
SI 15:00:00 TS -16.11 116.22 50 47 986 51 50
SI 18:00:00 TS -16.11 116.05 50 984 50 50 984 52 50
SI 21:00:00 TS -16.14 115.92 52 52 982 53 52
SI 1988-12-15 00:00:00 TS -16.18 115.80 55 980 55 55 980 55 55
SI 03:00:00 TS -16.19 115.67 55 977 57 55 977 56 57
SI 06:00:00 TS -16.27 115.57 60 974 60 60 974 57 60
SI 09:00:00 TS -16.31 115.47 65 972 60 65 972 58 60
SI 12:00:00 TS -16.38 115.38 65 970 60 65 970 60 60
SI 15:00:00 TS -16.43 115.29 65 970 62 65 970 62 62
SI 18:00:00 TS -16.50 115.20 65 969 65 65 969 65 65
SI 21:00:00 TS -16.61 115.15 67 65 968 67 67
SI 1988-12-16 00:00:00 TS -16.73 115.13 65 967 70 65 967 70 70
SI 03:00:00 TS -16.82 115.11 72 67 966 71 72
SI 06:00:00 TS -16.92 115.12 70 965 75 70 965 72 75
SI 09:00:00 TS -17.07 115.13 75 70 964 73 75
SI 12:00:00 TS -17.25 115.15 70 964 75 70 964 75 75
SI 15:00:00 TS -17.46 115.18 77 72 963 77 77
SI 18:00:00 TS -17.71 115.21 75 962 80 75 962 80 80
SI 21:00:00 TS -17.98 115.25 82 77 961 82 82
SI 1988-12-17 00:00:00 TS -18.30 115.33 80 960 85 80 960 85 85
SI 03:00:00 TS -18.68 115.49 85 80 960 85 85
SI 06:00:00 TS -19.13 115.68 80 960 85 80 960 85 85
SI 09:00:00 TS -19.62 115.84 85 80 960 85 85
SI 12:00:00 TS -20.20 116.00 80 960 85 80 960 85 85
SI 15:00:00 TS -20.87 116.12 80 960 75 80 960 73 75
SI 18:00:00 TS -21.56 116.32 75 965 65 75 965 62 65
SI 21:00:00 TS -22.24 116.55 65 970 52 65 970 51 57
SI 1988-12-18 00:00:00 TS -23.01 116.88 55 975 40 55 975 40 50
SI 03:00:00 TS -23.90 117.25 47 980 45
SI 06:00:00 TS -24.71 117.73 40 985 40 985 40 985
SI 09:00:00 TS -25.39 118.39 35 990 35 987
SI 12:00:00 TS -25.90 119.10 30 995 30 995 30 990
SI 15:00:00 TS -26.22 119.70 30 995 30 993
SI 18:00:00 TS -26.38 120.31 30 996 30 996 30 996
SI 21:00:00 TS -26.41 121.01 30 997 27 997
SI 1988-12-19 00:00:00 TS -26.40 121.80 30 998 30 998 25 998
SI 03:00:00 TS -26.48 122.70 27 998 25 998
SI 06:00:00 TS -26.58 123.68 25 998 25 998 25 998
SI 09:00:00 TS -26.65 124.70 25 998 22 998
SI 12:00:00 TS -26.70 125.70 25 999 25 999 20 999
SI 15:00:00 TS -26.71 126.55 25 999 20 999
SI 16:00:00 TS -26.70 126.79 25 1000 25 1000 20 999
SI 18:00:00 TS -26.70 127.10 20 1000

Source Information

Agency Information
USA bsh031989.txt
TOKYO
CMA
HKO
NEWDELHI
REUNION
BOM IDCKMSTM0S.csv:Line=15920:ILONA
NADI
WELLINGTON
DS824
TD9636 cons_worldwide_trop_cyclone_18710101-19891231-006:Line=13179
TD9635
NEUMANN tracks.sh:Storm=837:ILONA:BSH031989:JTWC&BM766
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 WIND USA SSHS BOM LAT BOM LON BOM TYPE BOM WIND BOM PRES BOM CI BOM ROCI BOM EYE BOM POS_METHOD BOM PRES_METHOD TD9636 LAT TD9636 LON TD9636 STAGE TD9636 WIND NEUMANN LAT NEUMANN LON NEUMANN CLASS NEUMANN WIND NEUMANN PRES STORM SPEED STORM DIR
Year degrees north degrees east kts mb km km degrees north degrees east kts 1 degrees north degrees east kts mb 1 nmile nmile degrees north degrees east kts degrees north degrees east kts mb kts degrees
1989 SI WA 1988-12-12 00:00:00 NR -12.00 128.30 25 1000 bom 197 149 ______O_______ -1 -12.00 128.30 20 25 1000 2.00 3 18 229
1989 SI WA 03:00:00 NR -12.60 127.60 25 1000 bom 144 44 ______O_______ -1 -12.60 127.60 20 25 1000 2.00 1 25 229
1989 SI WA 06:00:00 TS -13.60 126.40 25 998 bom 44 10 O_____O___O_O_ jtwc_sh SH031989 -14.00 126.00 20 -1 -13.20 126.80 20 25 998 2.00 3 -14.00 126.00 1 20 -14.00 126.00 TC 20 24 229
1989 SI WA 09:00:00 TS -14.16 125.73 25 998 bom 11 0 P_____O___P_P_ SH031989 -14.41 125.34 20 -1 -13.80 126.30 20 25 998 2.00 2 -14.40 125.34 1 20 -14.41 125.34 TC 20 18 231
1989 SI WA 12:00:00 TS -14.71 125.01 30 997 bom 24 24 O_____O___O_O_ jtwc_sh SH031989 -14.80 124.70 20 -1 -14.50 125.70 20 30 997 2.50 3 -14.80 124.70 1 20 -14.80 124.70 TC 20 17 236
1989 SI WA 15:00:00 TS -15.13 124.24 30 997 bom 59 49 P_____O___P_P_ SH031989 -15.16 124.09 22 -1 -15.00 124.70 20 30 997 2.50 3 9 -15.21 124.08 1 21 -15.16 124.09 TC 22 15 240
1989 SI WA 18:00:00 TS -15.47 123.64 30 997 bom 79 69 O_____O___P_O_ jtwc_sh SH031989 -15.50 123.50 25 -1 -15.30 124.10 20 30 997 2.50 1 3 -15.59 123.47 1 22 -15.50 123.50 TC 25 14 239
1989 SI WA 21:00:00 TS -15.83 123.03 78 55 P_____P___P_P_ SH031989 -15.89 122.89 25 -1 -15.61 123.45 20 32 996 -15.94 122.88 1 23 -15.89 122.89 TC 25 13 241
1989 SI WA 1988-12-13 00:00:00 TS -16.12 122.43 35 996 bom 69 61 O_____O___O_O_ jtwc_sh SH031989 -16.20 122.30 25 -1 -15.90 122.80 30 35 996 3.00 3 -16.20 122.30 1 25 -16.20 122.30 TC 25 12 248
1989 SI WA 03:00:00 TS -16.30 121.85 100 100 P_____P___P_P_ SH031989 -16.34 121.75 27 -1 -16.11 122.18 30 35 995 -16.39 121.71 1 27 -16.34 121.75 TC 27 11 256
1989 SI WA 06:00:00 TS -16.40 121.28 35 995 bom 132 132 O_____O___P_O_ jtwc_sh SH031989 -16.40 121.20 30 -1 -16.30 121.60 30 35 995 3.00 3 -16.49 121.13 1 30 -16.40 121.20 TC 30 11 259
1989 SI WA 09:00:00 TS -16.50 120.71 183 183 P_____P___P_P_ SH031989 -16.48 120.60 32 -1 -16.53 121.08 30 35 994 -16.53 120.56 1 32 -16.48 120.60 TC 32 11 262
1989 SI WA 12:00:00 TS -16.55 120.15 35 994 bom 230 230 O_____O___O_O_ jtwc_sh SH031989 -16.50 120.00 35 0 -16.70 120.60 30 35 994 3.00 3 -16.50 120.00 2 35 -16.50 120.00 TC 35 10 270
1989 SI WA 15:00:00 TS -16.50 119.62 290 290 P_____P___P_P_ SH031989 -16.43 119.43 37 0 -16.74 120.16 30 37 993 -16.41 119.44 2 37 -16.43 119.43 TC 37 10 279
1989 SI WA 18:00:00 TS -16.39 119.10 40 993 bom 345 345 O_____O___P_O_ jtwc_sh SH031989 -16.30 118.90 40 0 -16.70 119.70 30 40 993 3.00 1 -16.26 118.89 2 40 -16.30 118.90 TC 40 10 284
1989 SI WA 21:00:00 TS -16.25 118.56 402 402 P_____P___P_P_ SH031989 -16.13 118.38 42 0 -16.62 119.12 30 40 992 -16.11 118.37 2 42 -16.13 118.38 TC 42 10 285
1989 SI WA 1988-12-14 00:00:00 TS -16.12 118.05 40 992 bom 456 456 O_____O___O_O_ jtwc_sh SH031989 -16.00 117.90 45 0 -16.50 118.50 30 40 992 3.00 3 -16.00 117.90 2 45 -16.00 117.90 TC 45 10 278
1989 SI WA 03:00:00 TS -16.11 117.57 474 474 P_____P___P_P_ SH031989 -16.03 117.48 45 0 -16.39 117.86 30 40 991 -15.98 117.45 2 46 -16.03 117.48 TC 45 9 270
1989 SI WA 06:00:00 TS -16.13 117.13 40 991 bom 492 492 O_____O___P_O_ jtwc_sh SH031989 -16.10 117.10 45 0 -16.30 117.30 30 40 991 3.00 134 3 -16.00 117.04 2 47 -16.10 117.10 TC 45 8 269
1989 SI WA 09:00:00 TS -16.13 116.75 500 500 P_____P___P_P_ SH031989 -16.11 116.72 47 0 -16.24 116.89 30 42 989 161 -16.05 116.69 2 48 -16.11 116.72 TC 47 7 270
1989 SI WA 12:00:00 TS -16.12 116.45 45 988 bom 503 503 O_____O___O_O_ jtwc_sh SH031989 -16.10 116.40 50 0 -16.20 116.60 30 45 988 3.00 188 1 -16.10 116.40 2 50 -16.10 116.40 TC 50 5 272
1989 SI WA 15:00:00 TS -16.11 116.22 506 506 P_____P___P_P_ SH031989 -16.09 116.16 50 0 -16.14 116.38 30 47 986 199 -16.12 116.18 2 51 -16.09 116.16 TC 50 4 272
1989 SI WA 18:00:00 TS -16.11 116.05 50 984 bom 507 507 O_____O___P_O_ jtwc_sh SH031989 -16.10 116.00 50 0 -16.10 116.20 30 50 984 3.50 211 8 1 -16.14 116.02 2 52 -16.10 116.00 TC 50 3 264
1989 SI WA 21:00:00 TS -16.14 115.92 510 499 P_____P___P_P_ SH031989 -16.14 115.89 52 0 -16.11 116.00 30 52 982 251 -16.17 115.90 2 53 -16.14 115.89 TC 52 3 255
1989 SI WA 1988-12-15 00:00:00 TS -16.18 115.80 55 980 bom 501 501 O_____O___O_O_ jtwc_sh SH031989 -16.20 115.80 55 0 -16.10 115.80 30 55 980 4.00 292 8 3 -16.20 115.80 2 55 -16.20 115.80 TC 55 2 259
1989 SI WA 03:00:00 TS -16.19 115.67 55 977 bom 503 494 P_____O___P_P_ SH031989 -16.25 115.70 57 0 -16.00 115.60 30 55 977 4.00 211 1 -16.24 115.69 2 56 -16.25 115.70 TC 57 2 246
1989 SI WA 06:00:00 TS -16.27 115.57 60 974 bom 494 494 O_____O___P_O_ jtwc_sh SH031989 -16.30 115.60 60 0 -16.20 115.50 30 60 974 4.00 215 3 -16.29 115.59 2 57 -16.30 115.60 TC 60 2 236
1989 SI WA 09:00:00 TS -16.31 115.47 65 972 bom 497 489 P_____O___P_P_ SH031989 -16.35 115.50 60 0 -16.20 115.40 40 65 972 4.50 199 3 -16.35 115.49 2 58 -16.35 115.50 TC 60 2 242
1989 SI WA 12:00:00 TS -16.38 115.38 65 970 bom 489 489 O_____O___O_O_ jtwc_sh SH031989 -16.40 115.40 60 0 -16.30 115.30 40 65 970 4.50 199 1 -16.40 115.40 2 60 -16.40 115.40 TC 60 2 235
1989 SI WA 15:00:00 TS -16.43 115.29 65 970 bom 492 481 P_____O___P_P_ SH031989 -16.44 115.29 62 0 -16.40 115.30 40 65 970 4.50 188 1 -16.44 115.29 2 62 -16.44 115.29 TC 62 2 233
1989 SI WA 18:00:00 TS -16.50 115.20 65 969 bom 485 474 O_____O___O_O_ jtwc_sh SH031989 -16.50 115.20 65 1 -16.50 115.20 40 65 969 4.50 286 1 -16.50 115.20 3 65 -16.50 115.20 TC 65 2 219
1989 SI WA 21:00:00 TS -16.61 115.15 478 467 P_____P___P_P_ SH031989 -16.59 115.14 67 1 -16.65 115.18 40 65 968 299 -16.59 115.14 3 67 -16.59 115.14 TC 67 2 196
1989 SI WA 1988-12-16 00:00:00 TS -16.73 115.13 65 967 bom 467 457 O_____O___O_O_ jtwc_sh SH031989 -16.70 115.10 70 1 -16.80 115.20 40 65 967 4.50 313 1 -16.70 115.10 4 70 -16.70 115.10 TC 70 2 191
1989 SI WA 03:00:00 TS -16.82 115.11 457 446 P_____P___P_P_ SH031989 -16.79 115.09 72 1 -16.89 115.19 40 67 966 291 -16.79 115.07 4 71 -16.79 115.09 TC 72 2 0
1989 SI WA 06:00:00 TS -16.92 115.12 70 965 bom 446 426 O_____O___P_O_ jtwc_sh SH031989 -16.90 115.10 75 1 -17.00 115.20 40 70 965 4.50 269 3 -16.90 115.07 4 72 -16.90 115.10 TC 75 3 174
1989 SI WA 09:00:00 TS -17.07 115.13 426 415 P_____P___P_P_ SH031989 -17.03 115.09 75 1 -17.19 115.25 40 70 964 258 -17.03 115.08 4 73 -17.03 115.09 TC 75 3 172
1989 SI WA 12:00:00 TS -17.25 115.15 70 964 bom 411 391 O_____O___O_O_ jtwc_sh SH031989 -17.20 115.10 75 1 -17.40 115.30 40 70 964 4.50 247 1 -17.20 115.10 4 75 -17.20 115.10 TC 75 4 176
1989 SI WA 15:00:00 TS -17.46 115.18 380 360 P_____P___P_P_ SH031989 -17.43 115.14 77 1 -17.59 115.30 40 72 963 277 -17.40 115.12 4 77 -17.43 115.14 TC 77 5 173
1989 SI WA 18:00:00 TS -17.71 115.21 75 962 bom 360 330 O_____O___P_O_ jtwc_sh SH031989 -17.70 115.20 80 1 -17.80 115.30 40 75 962 4.50 307 1 -17.64 115.15 4 80 -17.70 115.20 TC 80 5 172
1989 SI WA 21:00:00 TS -17.98 115.25 330 296 P_____P___P_P_ SH031989 -17.98 115.23 82 1 -18.01 115.33 40 77 961 315 -17.94 115.21 4 82 -17.98 115.23 TC 82 6 170
1989 SI WA 1988-12-17 00:00:00 TS -18.30 115.33 80 960 bom 296 246 O_____O___O_O_ jtwc_sh SH031989 -18.30 115.30 85 2 -18.30 115.40 40 80 960 5.00 323 3 -18.30 115.30 4 85 -18.30 115.30 TC 85 7 162
1989 SI WA 03:00:00 TS -18.68 115.49 246 197 P_____P___P_P_ SH031989 -18.66 115.48 85 2 -18.71 115.53 40 80 960 323 -18.67 115.44 4 85 -18.66 115.48 TC 85 9 158
1989 SI WA 06:00:00 TS -19.13 115.68 80 960 bom 197 146 O_____O___P_O_ jtwc_sh SH031989 -19.10 115.70 85 2 -19.20 115.70 40 80 960 5.00 323 14 6 -19.11 115.61 4 85 -19.10 115.70 TC 85 10 160
1989 SI WA 09:00:00 TS -19.62 115.84 146 81 P_____P___P_P_ SH031989 -19.61 115.85 85 2 -19.65 115.88 40 80 960 336 -19.61 115.80 4 85 -19.61 115.85 TC 85 11 164
1989 SI WA 12:00:00 TS -20.20 116.00 80 960 bom 81 15 O_____O___O_O_ jtwc_sh SH031989 -20.20 116.00 85 2 -20.20 116.00 40 80 960 5.00 350 8 6 -20.20 116.00 4 85 -20.20 116.00 TC 85 13 168
1989 SI WA 15:00:00 TS -20.87 116.12 80 960 bom 10 0 P_____O___P_P_ SH031989 -20.84 116.18 75 1 -20.90 116.00 40 80 960 5.00 361 8 6 3 -20.88 116.13 4 73 -20.84 116.18 TC 75 14 168
1989 SI WA 18:00:00 TS -21.56 116.32 75 965 bom 0 0 O_____O___P_O_ jtwc_sh SH031989 -21.50 116.40 65 1 -21.60 116.20 40 75 965 361 10 2 3 -21.64 116.28 4 62 -21.50 116.40 TC 65 14 164
1989 SI WA 21:00:00 TS -22.24 116.55 65 970 bom 0 0 P_____O___P_P_ SH031989 -22.12 116.68 52 0 -22.30 116.40 40 65 970 361 3 1 9 -22.43 116.49 4 51 -22.05 116.68 TC 57 15 160
1989 SI WA 1988-12-18 00:00:00 TS -23.01 116.88 55 975 bom 0 0 O_____O___O_O_ jtwc_sh SH031989 -22.70 117.00 40 0 -23.20 116.80 30 55 975 253 2 -23.20 116.80 5 40 -22.70 117.00 TC 50 18 159
1989 SI WA 03:00:00 TS -23.90 117.25 0 0 ______P___P_P_ SH031989 -1 -24.00 117.21 30 47 980 229 -23.99 117.25 5 -23.70 117.29 TC 45 19 155
1989 SI WA 06:00:00 TS -24.71 117.73 40 985 bom 0 0 ______O___P_O_ -1 -24.70 117.70 30 40 985 205 2 -24.74 117.80 5 -24.70 117.70 TC 40 985 18 145
1989 SI WA 09:00:00 TS -25.39 118.39 0 0 ______P___P_P_ -1 -25.38 118.38 30 35 990 158 -25.40 118.43 5 -25.41 118.36 TC 35 987 17 134
1989 SI WA 12:00:00 TS -25.90 119.10 30 995 bom 0 0 ______O___O_I_ -1 -25.90 119.10 20 30 995 112 2 -25.90 119.10 5 -25.90 119.10 TC 30 990 14 125
1989 SI WA 15:00:00 TS -26.22 119.70 0 0 ______P___P_P_ -1 -26.24 119.69 20 30 995 -26.19 119.70 5 -26.24 119.69 TC 30 993 12 114
1989 SI WA 18:00:00 TS -26.38 120.31 30 996 bom 0 0 ______O___P_O_ -1 -26.40 120.30 20 30 996 2 -26.33 120.34 5 -26.40 120.30 TC 30 996 12 99
1989 SI WA 21:00:00 TS -26.41 121.01 0 0 ______P___P_P_ -1 -26.42 121.00 20 30 997 -26.38 121.03 5 -26.42 121.00 TC 27 997 13 91
1989 SI WA 1988-12-19 00:00:00 TS -26.40 121.80 30 998 bom 0 0 ______O___O_O_ -1 -26.40 121.80 20 30 998 3 -26.40 121.80 5 -26.40 121.80 TC 25 998 15 93
1989 SI WA 03:00:00 TS -26.48 122.70 0 0 ______P___P_P_ -1 -26.49 122.71 20 27 998 -26.45 122.68 5 -26.49 122.71 TC 25 998 17 96
1989 SI WA 06:00:00 TS -26.58 123.68 25 998 bom 0 0 ______O___P_O_ -1 -26.60 123.70 20 25 998 2 -26.52 123.64 5 -26.60 123.70 TC 25 998 18 96
1989 SI WA 09:00:00 TS -26.65 124.70 0 0 ______P___P_P_ -1 -26.67 124.70 20 25 998 -26.61 124.65 5 -26.67 124.74 TC 22 998 18 94
1989 SI WA 12:00:00 TS -26.70 125.70 25 999 bom 0 0 ______O___O_O_ -1 -26.70 125.70 20 25 999 2 -26.70 125.70 5 -26.70 125.70 TC 20 999 16 92
1989 SI WA 15:00:00 TS -26.71 126.55 0 0 ______P_____P_ -1 -26.70 126.68 20 25 999 5 -26.71 126.46 TC 20 999 15 90
1989 SI WA 16:00:00 TS -26.70 126.79 25 1000 bom 0 0 ______O_____P_ -1 -26.70 127.00 20 25 1000 2 5 -26.71 126.68 TC 20 999 10 89
1989 SI WA 18:00:00 TS -26.70 127.10 0 ____________O_ -1 20 5 -26.70 127.10 TC 20 1000 8 89