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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 16Z
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
days since 1858-11-17 00:00:00 degrees north degrees east kts kts degrees north degrees east
SI 1988-12-12 00:00:00 TS -12.00 128.30 25 1000 25 1000
SI 03:00:00 TS -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 -14.20 125.70 25 998 20 25 998 20 20
SI 12:00:00 TS -14.70 125.00 30 997 20 30 997 20 20
SI 15:00:00 TS -15.10 124.20 30 997 23 30 997 21 23
SI 18:00:00 TS -15.50 123.60 30 997 25 30 997 23 25
SI 21:00:00 TS -15.80 123.00 25 33 997 24 25
SI 1988-12-13 00:00:00 TS -16.10 122.40 35 996 25 35 996 25 25
SI 03:00:00 TS -16.30 121.80 28 35 996 28 28
SI 06:00:00 TS -16.40 121.30 35 995 30 35 995 30 30
SI 09:00:00 TS -16.50 120.70 33 35 995 33 33
SI 12:00:00 TS -16.60 120.20 35 994 35 35 994 35 35
SI 15:00:00 TS -16.50 119.60 38 38 994 38 38
SI 18:00:00 TS -16.40 119.10 40 993 40 40 993 40 40
SI 21:00:00 TS -16.20 118.60 43 40 993 43 43
SI 1988-12-14 00:00:00 TS -16.10 118.10 40 992 45 40 992 45 45
SI 03:00:00 TS -16.10 117.60 45 40 992 46 45
SI 06:00:00 TS -16.10 117.10 40 991 45 40 991 48 45
SI 09:00:00 TS -16.10 116.80 48 43 990 49 48
SI 12:00:00 TS -16.10 116.50 45 988 50 45 988 50 50
SI 15:00:00 TS -16.10 116.20 50 48 986 51 50
SI 18:00:00 TS -16.10 116.10 50 984 50 50 984 53 50
SI 21:00:00 TS -16.10 115.90 53 53 982 54 53
SI 1988-12-15 00:00:00 TS -16.20 115.80 55 980 55 55 980 55 55
SI 03:00:00 TS -16.20 115.70 55 977 58 55 977 56 58
SI 06:00:00 TS -16.30 115.60 60 974 60 60 974 58 60
SI 09:00:00 TS -16.30 115.50 65 972 60 65 972 59 60
SI 12:00:00 TS -16.40 115.40 65 970 60 65 970 60 60
SI 15:00:00 TS -16.40 115.30 65 970 63 65 970 63 63
SI 18:00:00 TS -16.50 115.20 65 969 65 65 969 65 65
SI 21:00:00 TS -16.60 115.10 68 65 968 68 68
SI 1988-12-16 00:00:00 TS -16.70 115.10 65 967 70 65 967 70 70
SI 03:00:00 TS -16.80 115.10 73 68 966 71 73
SI 06:00:00 TS -16.90 115.10 70 965 75 70 965 73 75
SI 09:00:00 TS -17.10 115.10 75 70 965 74 75
SI 12:00:00 TS -17.30 115.20 70 964 75 70 964 75 75
SI 15:00:00 TS -17.50 115.20 78 73 963 78 78
SI 18:00:00 TS -17.70 115.20 75 962 80 75 962 80 80
SI 21:00:00 TS -18.00 115.20 83 78 961 83 83
SI 1988-12-17 00:00:00 TS -18.30 115.30 80 960 85 80 960 85 85
SI 03:00:00 TS -18.70 115.50 85 80 960 85 85
SI 06:00:00 TS -19.10 115.70 80 960 85 80 960 85 85
SI 09:00:00 TS -19.60 115.80 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 -20.90 116.10 80 960 75 80 960 74 75
SI 16:00:00 TS -21.10 116.20 80 960 72 80 960 70 72
SI 18:00:00 TS -21.60 116.30 75 965 65 75 965 63 65
SI 21:00:00 TS -22.20 116.50 65 970 53 65 970 51 58
SI 1988-12-18 00:00:00 MX -23.00 116.90 55 975 40 55 975 40 50
SI 03:00:00 MX -23.90 117.20 48 980 45
SI 06:00:00 MX -24.70 117.70 40 985 40 985 40 985
SI 09:00:00 MX -25.40 118.40 35 990 35 988
SI 12:00:00 MX -25.90 119.10 30 995 30 995 30 991
SI 15:00:00 MX -26.20 119.70 30 996 30 993
SI 18:00:00 MX -26.40 120.30 30 996 30 996 30 996
SI 21:00:00 MX -26.40 121.00 30 997 28 997
SI 1988-12-19 00:00:00 MX -26.40 121.80 30 998 30 998 25 998
SI 03:00:00 MX -26.50 122.70 28 998 25 998
SI 06:00:00 MX -26.60 123.70 25 998 25 998 25 998
SI 09:00:00 MX -26.70 124.70 25 999 23 999
SI 12:00:00 MX -26.70 125.70 25 999 25 999 20 999
SI 15:00:00 TS -26.70 126.50 25 1000 20 1000
SI 16:00:00 TS -26.70 126.80 25 1000 25 1000 20 1000
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=15907: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 days since 1858-11-17 00:00:00 degrees north degrees east kts mb km km degrees north mb mb degrees north degrees east kts 1 nmile degrees east kts 1 kts mb degrees north kts mb degrees north degrees east degrees north degrees east
1989 SI WA 1988-12-12 00:00:00 TS -12.00 128.30 25 1000 bom 197 149 _______O_______ -5 -12.00 128.30 20 25 1000 2.00 3 18 230
1989 SI WA 03:00:00 TS -12.60 127.60 25 1000 bom 144 44 _______O_______ -5 -12.60 127.60 20 25 1000 2.00 1 25 230
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 24 230
1989 SI WA 09:00:00 TS -14.20 125.70 25 998 bom 11 0 P______O___P_P_ SH031989 -14.40 125.30 20 -1 -13.80 126.30 20 25 998 2.00 2 -14.40 125.30 1 20 -14.40 125.30 TC 20 18 230
1989 SI WA 12:00:00 TS -14.70 125.00 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 17 235
1989 SI WA 15:00:00 TS -15.10 124.20 30 997 bom 59 49 P______O___P_P_ SH031989 -15.20 124.10 23 -1 -15.00 124.70 20 30 997 2.50 3 9 -15.20 124.10 1 21 -15.20 124.10 TC 23 15 240
1989 SI WA 18:00:00 TS -15.50 123.60 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 -15.60 123.50 1 23 -15.50 123.50 TC 25 14 240
1989 SI WA 21:00:00 TS -15.80 123.00 78 55 P______P___P_P_ SH031989 -15.90 122.90 25 -1 -15.60 123.50 20 33 997 -15.90 122.90 1 24 -15.90 122.90 TC 25 13 240
1989 SI WA 1988-12-13 00:00:00 TS -16.10 122.40 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 12 250
1989 SI WA 03:00:00 TS -16.30 121.80 100 100 P______P___P_P_ SH031989 -16.30 121.70 28 -1 -16.10 122.20 30 35 996 -16.40 121.70 1 28 -16.30 121.70 TC 28 11 255
1989 SI WA 06:00:00 TS -16.40 121.30 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 -16.50 121.10 1 30 -16.40 121.20 TC 30 11 260
1989 SI WA 09:00:00 TS -16.50 120.70 183 183 P______P___P_P_ SH031989 -16.50 120.60 33 -1 -16.50 121.10 30 35 995 -16.50 120.60 1 33 -16.50 120.60 TC 33 11 260
1989 SI WA 12:00:00 TS -16.60 120.20 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 -16.50 119.60 290 290 P______P___P_P_ SH031989 -16.40 119.40 38 0 -16.70 120.20 30 38 994 -16.40 119.40 2 38 -16.40 119.40 TC 38 10 280
1989 SI WA 18:00:00 TS -16.40 119.10 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 -16.30 118.90 2 40 -16.30 118.90 TC 40 10 285
1989 SI WA 21:00:00 TS -16.20 118.60 402 402 P______P___P_P_ SH031989 -16.10 118.40 43 0 -16.60 119.10 30 40 993 -16.10 118.40 2 43 -16.10 118.40 TC 43 10 285
1989 SI WA 1988-12-14 00:00:00 TS -16.10 118.10 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 10 280
1989 SI WA 03:00:00 TS -16.10 117.60 474 474 P______P___P_P_ SH031989 -16.00 117.50 45 0 -16.40 117.90 30 40 992 -16.00 117.40 2 46 -16.00 117.50 TC 45 9 270
1989 SI WA 06:00:00 TS -16.10 117.10 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 -16.00 117.00 2 48 -16.10 117.10 TC 45 8 270
1989 SI WA 09:00:00 TS -16.10 116.80 500 500 P______P___P_P_ SH031989 -16.10 116.70 48 0 -16.20 116.90 30 43 990 161 -16.10 116.70 2 49 -16.10 116.70 TC 48 7 270
1989 SI WA 12:00:00 TS -16.10 116.50 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 5 270
1989 SI WA 15:00:00 TS -16.10 116.20 506 506 P______P___P_P_ SH031989 -16.10 116.20 50 0 -16.10 116.40 30 48 986 200 -16.10 116.20 2 51 -16.10 116.20 TC 50 4 270
1989 SI WA 18:00:00 TS -16.10 116.10 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 7 1 -16.10 116.00 2 53 -16.10 116.00 TC 50 3 265
1989 SI WA 21:00:00 TS -16.10 115.90 510 499 P______P___P_P_ SH031989 -16.10 115.90 53 0 -16.10 116.00 30 53 982 252 -16.20 115.90 2 54 -16.10 115.90 TC 53 3 255
1989 SI WA 1988-12-15 00:00:00 TS -16.20 115.80 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 7 3 -16.20 115.80 2 55 -16.20 115.80 TC 55 2 260
1989 SI WA 03:00:00 TS -16.20 115.70 55 977 bom 503 494 P______O___P_P_ SH031989 -16.20 115.70 58 0 -16.00 115.60 30 55 977 4.00 211 1 -16.20 115.70 2 56 -16.20 115.70 TC 58 2 245
1989 SI WA 06:00:00 TS -16.30 115.60 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 -16.30 115.60 2 58 -16.30 115.60 TC 60 2 235
1989 SI WA 09:00:00 TS -16.30 115.50 65 972 bom 497 489 P______O___P_P_ SH031989 -16.30 115.50 60 0 -16.20 115.40 40 65 972 4.50 199 3 -16.30 115.50 2 59 -16.30 115.50 TC 60 2 240
1989 SI WA 12:00:00 TS -16.40 115.40 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 -16.40 115.30 65 970 bom 492 481 P______O___P_P_ SH031989 -16.40 115.30 63 0 -16.40 115.30 40 65 970 4.50 188 1 -16.40 115.30 2 63 -16.40 115.30 TC 63 2 235
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 2 220
1989 SI WA 21:00:00 TS -16.60 115.10 478 467 P______P___P_P_ SH031989 -16.60 115.10 68 1 -16.60 115.20 40 65 968 300 -16.60 115.10 3 68 -16.60 115.10 TC 68 2 195
1989 SI WA 1988-12-16 00:00:00 TS -16.70 115.10 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 2 190
1989 SI WA 03:00:00 TS -16.80 115.10 457 446 P______P___P_P_ SH031989 -16.80 115.10 73 1 -16.90 115.20 40 68 966 291 -16.80 115.10 4 71 -16.80 115.10 TC 73 2 0
1989 SI WA 06:00:00 TS -16.90 115.10 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 -16.90 115.10 4 73 -16.90 115.10 TC 75 3 175
1989 SI WA 09:00:00 TS -17.10 115.10 426 415 P______P___P_P_ SH031989 -17.00 115.10 75 1 -17.20 115.20 40 70 965 258 -17.00 115.10 4 74 -17.00 115.10 TC 75 3 170
1989 SI WA 12:00:00 TS -17.30 115.20 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 4 175
1989 SI WA 15:00:00 TS -17.50 115.20 380 360 P______P___P_P_ SH031989 -17.40 115.10 78 1 -17.60 115.30 40 73 963 277 -17.40 115.10 4 78 -17.40 115.10 TC 78 5 175
1989 SI WA 18:00:00 TS -17.70 115.20 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 -17.60 115.10 4 80 -17.70 115.20 TC 80 5 170
1989 SI WA 21:00:00 TS -18.00 115.20 330 296 P______P___P_P_ SH031989 -18.00 115.20 83 2 -18.00 115.30 40 78 961 315 -17.90 115.20 4 83 -18.00 115.20 TC 83 6 170
1989 SI WA 1988-12-17 00:00:00 TS -18.30 115.30 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 7 160
1989 SI WA 03:00:00 TS -18.70 115.50 246 197 P______P___P_P_ SH031989 -18.70 115.50 85 2 -18.70 115.50 40 80 960 323 -18.70 115.40 4 85 -18.70 115.50 TC 85 9 160
1989 SI WA 06:00:00 TS -19.10 115.70 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 13 6 -19.10 115.60 4 85 -19.10 115.70 TC 85 10 160
1989 SI WA 09:00:00 TS -19.60 115.80 146 81 P______P___P_P_ SH031989 -19.60 115.90 85 2 -19.70 115.90 40 80 960 337 -19.60 115.80 4 85 -19.60 115.90 TC 85 11 165
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 7 6 -20.20 116.00 4 85 -20.20 116.00 TC 85 13 170
1989 SI WA 15:00:00 TS -20.90 116.10 80 960 bom 10 0 P______O___P_P_ SH031989 -20.80 116.20 75 1 -20.90 116.00 40 80 960 5.00 361 7 6 3 -20.90 116.10 4 74 -20.80 116.20 TC 75 14 170
1989 SI WA 16:00:00 TS -21.10 116.20 80 960 bom 0 0 P______O___P_P_ SH031989 -21.10 116.20 72 1 -21.10 116.10 40 80 960 361 9 6 3 -21.10 116.20 4 70 -21.10 116.20 TC 72 14 165
1989 SI WA 18:00:00 TS -21.60 116.30 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 11 2 3 -21.60 116.30 4 63 -21.50 116.40 TC 65 14 165
1989 SI WA 21:00:00 TS -22.20 116.50 65 970 bom 0 0 P______O___P_P_ SH031989 -22.10 116.70 53 0 -22.30 116.40 40 65 970 361 3 1 9 -22.40 116.50 4 51 -22.00 116.70 TC 58 15 160
1989 SI WA 1988-12-18 00:00:00 MX -23.00 116.90 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 18 160
1989 SI WA 03:00:00 MX -23.90 117.20 0 0 _______P___P_P_ SH031989 -5 -24.00 117.20 30 48 980 229 -24.00 117.20 5 -23.70 117.30 TC 45 19 155
1989 SI WA 06:00:00 MX -24.70 117.70 40 985 bom 0 0 _______O___P_O_ -5 -24.70 117.70 30 40 985 205 2 -24.70 117.80 5 -24.70 117.70 TC 40 985 18 145
1989 SI WA 09:00:00 MX -25.40 118.40 0 0 _______P___P_P_ -5 -25.40 118.40 30 35 990 159 -25.40 118.40 5 -25.40 118.40 TC 35 988 17 135
1989 SI WA 12:00:00 MX -25.90 119.10 30 995 bom 0 0 _______O___O_I_ -5 -25.90 119.10 20 30 995 112 2 -25.90 119.10 5 -25.90 119.10 TC 30 991 14 125
1989 SI WA 15:00:00 MX -26.20 119.70 0 0 _______P___P_P_ -5 -26.20 119.70 20 30 996 -26.20 119.70 5 -26.20 119.70 TC 30 993 12 115
1989 SI WA 18:00:00 MX -26.40 120.30 30 996 bom 0 0 _______O___P_O_ -5 -26.40 120.30 20 30 996 2 -26.30 120.30 5 -26.40 120.30 TC 30 996 12 100
1989 SI WA 21:00:00 MX -26.40 121.00 0 0 _______P___P_P_ -5 -26.40 121.00 20 30 997 -26.40 121.00 5 -26.40 121.00 TC 28 997 13 90
1989 SI WA 1988-12-19 00:00:00 MX -26.40 121.80 30 998 bom 0 0 _______O___O_O_ -5 -26.40 121.80 20 30 998 3 -26.40 121.80 5 -26.40 121.80 TC 25 998 15 95
1989 SI WA 03:00:00 MX -26.50 122.70 0 0 _______P___P_P_ -5 -26.50 122.70 20 28 998 -26.40 122.70 5 -26.50 122.70 TC 25 998 17 95
1989 SI WA 06:00:00 MX -26.60 123.70 25 998 bom 0 0 _______O___P_O_ -5 -26.60 123.70 20 25 998 2 -26.50 123.60 5 -26.60 123.70 TC 25 998 18 95
1989 SI WA 09:00:00 MX -26.70 124.70 0 0 _______P___P_P_ -5 -26.70 124.70 20 25 999 -26.60 124.70 5 -26.70 124.70 TC 23 999 18 95
1989 SI WA 12:00:00 MX -26.70 125.70 25 999 bom 0 0 _______O___O_O_ -5 -26.70 125.70 20 25 999 2 -26.70 125.70 5 -26.70 125.70 TC 20 999 16 90
1989 SI WA 15:00:00 TS -26.70 126.50 0 0 _______P_____P_ -5 -26.70 126.70 20 25 1000 5 -26.70 126.50 TC 20 1000 15 90
1989 SI WA 16:00:00 TS -26.70 126.80 25 1000 bom 0 0 _______O_____P_ -5 -26.70 127.00 20 25 1000 2 5 -26.70 126.70 TC 20 1000 10 90
1989 SI WA 18:00:00 TS -26.70 127.10 0 _____________O_ -5 20 5 -26.70 127.10 TC 20 1000 8 90