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2023 Severe Tropical Cyclone HERMAN (2023089S14102)


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

Summary Information

Storm ID 2023089S14102
Start Mar 29 12Z
Max Intensity 128 kt (Mar 31 12Z), 932 mb (Mar 31 15Z)
End Apr 2 12Z
ATCF IDs SI172023
Track status PROVISIONAL. Track from operational data. This will be upgraded to 'best track' quality after reanalysis

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 USA WIND USA PRES
degrees north degrees east kts mb
SI 2023-03-29 12:00:00 NR -14.30 102.10 45 995
SI 15:00:00 NR -14.41 102.46 48 995
SI 18:00:00 NR -14.50 102.90 51 995
SI 21:00:00 NR -14.56 103.45 52 994
SI 2023-03-30 00:00:00 NR -14.70 104.00 54 993
SI 03:00:00 NR -15.04 104.44 57 989
SI 06:00:00 NR -15.40 104.80 60 986
SI 09:00:00 NR -15.55 105.12 74 981
SI 12:00:00 NR -15.70 105.40 89 976
SI 15:00:00 NR -16.03 105.67 91 970
SI 18:00:00 NR -16.40 105.90 93 965
SI 21:00:00 NR -16.66 106.07 104 954
SI 2023-03-31 00:00:00 NR -16.90 106.20 115 943
SI 03:00:00 NR -17.16 106.30 119 941
SI 06:00:00 NR -17.40 106.40 124 939
SI 09:00:00 NR -17.60 106.55 126 936
SI 12:00:00 NR -17.80 106.70 128 933
SI 15:00:00 NR -18.05 106.81 128 932
SI 18:00:00 NR -18.30 106.90 128 932
SI 21:00:00 NR -18.51 107.02 121 939
SI 2023-04-01 00:00:00 NR -18.70 107.10 115 946
SI 03:00:00 NR -18.89 107.07 110 948
SI 06:00:00 NR -19.10 107.00 105 951
SI 09:00:00 NR -19.36 107.01 94 964
SI 12:00:00 NR -19.60 107.00 84 977
SI 15:00:00 NR -19.74 106.91 77 979
SI 18:00:00 NR -19.80 106.80 70 982
SI 21:00:00 NR -19.81 106.82 67 983
SI 2023-04-02 00:00:00 NR -19.80 106.70 64 985
SI 03:00:00 NR -19.80 106.17 49 989
SI 06:00:00 NR -19.80 105.60 35 994
SI 09:00:00 NR -19.80 105.35 32 996
SI 12:00:00 NR -19.80 105.30 29 998

Source Information

Agency Information
USA BOTH_tcvitals.txt:Line=12595
TOKYO
CMA
HKO
NEWDELHI
REUNION
BOM
NADI
WELLINGTON
DS824
TD9636
TD9635
NEUMANN
MLC

All available IBTrACS Data

SEASON BASIN SUBBASIN ISO_TIME_________ NATURE LAT LON DIST2LAND LANDFALL IFLAG USA AGENCY USA ATCF_ID USA LAT USA LON USA WIND USA PRES USA SSHS USA R34 USA POCI USA ROCI USA RMW STORM SPEED STORM DIR
Year degrees north degrees east km km degrees north degrees east kts mb 1 nmile mb nmile nmile kts degrees
2023 SI WA 2023-03-29 12:00:00 NR -14.30 102.10 904 897 O_____________ tcvitals SI172023 -14.30 102.10 45 995 0 30,20,50,35 1008 250 20 7 108
2023 SI WA 15:00:00 NR -14.41 102.46 892 882 P_____________ SI172023 -14.41 102.46 48 995 0 60,42,57,60 1007 225 22 8 104
2023 SI WA 18:00:00 NR -14.50 102.90 882 859 O_____________ tcvitals SI172023 -14.50 102.90 51 995 0 90,65,65,85 1007 200 25 10 99
2023 SI WA 21:00:00 NR -14.56 103.45 866 851 P_____________ SI172023 -14.56 103.45 52 994 0 82,72,62,80 1007 200 19 11 101
2023 SI WA 2023-03-30 00:00:00 NR -14.70 104.00 858 855 O_____________ tcvitals SI172023 -14.70 104.00 54 993 0 75,80,60,75 1007 200 14 11 117
2023 SI WA 03:00:00 NR -15.04 104.44 878 878 P_____________ SI172023 -15.04 104.44 57 989 0 62,62,57,62 1006 200 14 10 132
2023 SI WA 06:00:00 NR -15.40 104.80 912 910 O_____________ tcvitals SI172023 -15.40 104.80 60 986 0 50,45,55,50 1006 200 14 8 128
2023 SI WA 09:00:00 NR -15.55 105.12 918 918 P_____________ SI172023 -15.55 105.12 74 981 1 50,45,55,50 1006 212 14 7 117
2023 SI WA 12:00:00 NR -15.70 105.40 933 933 O_____________ tcvitals SI172023 -15.70 105.40 89 976 2 50,45,55,50 1007 225 14 7 133
2023 SI WA 15:00:00 NR -16.03 105.67 957 957 P_____________ SI172023 -16.03 105.67 91 970 2 70,67,62,67 1007 225 9 9 145
2023 SI WA 18:00:00 NR -16.40 105.90 995 995 O_____________ tcvitals SI172023 -16.40 105.90 93 965 2 90,90,70,85 1007 225 5 7 149
2023 SI WA 21:00:00 NR -16.66 106.07 1012 990 P_____________ SI172023 -16.66 106.07 104 954 3 97,95,75,92 1005 172 5 6 150
2023 SI WA 2023-03-31 00:00:00 NR -16.90 106.20 990 969 O_____________ tcvitals SI172023 -16.90 106.20 115 943 4 105,100,80,100 1004 120 5 5 156
2023 SI WA 03:00:00 NR -17.16 106.30 962 941 P_____________ SI172023 -17.16 106.30 119 941 4 82,85,75,80 1004 125 5 5 159
2023 SI WA 06:00:00 NR -17.40 106.40 941 920 O_____________ tcvitals SI172023 -17.40 106.40 124 939 4 60,70,70,60 1005 130 5 5 152
2023 SI WA 09:00:00 NR -17.60 106.55 911 890 P_____________ SI172023 -17.60 106.55 126 936 4 67,75,75,60 1005 117 5 5 145
2023 SI WA 12:00:00 NR -17.80 106.70 890 869 O_____________ tcvitals SI172023 -17.80 106.70 128 933 4 75,80,80,60 1006 105 5 5 152
2023 SI WA 15:00:00 NR -18.05 106.81 869 843 P_____________ SI172023 -18.05 106.81 128 932 4 75,80,77,70 1006 115 5 5 159
2023 SI WA 18:00:00 NR -18.30 106.90 843 823 O_____________ tcvitals SI172023 -18.30 106.90 128 932 4 75,80,75,80 1007 126 5 5 156
2023 SI WA 21:00:00 NR -18.51 107.02 823 803 P_____________ SI172023 -18.51 107.02 121 939 4 77,82,77,77 1007 126 5 4 155
2023 SI WA 2023-04-01 00:00:00 NR -18.70 107.10 803 792 O_____________ tcvitals SI172023 -18.70 107.10 115 946 4 80,85,80,75 1007 126 5 4 173
2023 SI WA 03:00:00 NR -18.89 107.07 792 789 P_____________ SI172023 -18.89 107.07 110 948 3 55,62,65,62 1006 126 5 4 193
2023 SI WA 06:00:00 NR -19.10 107.00 789 772 O_____________ tcvitals SI172023 -19.10 107.00 105 951 3 30,40,50,50 1006 126 5 5 187
2023 SI WA 09:00:00 NR -19.36 107.01 772 762 P_____________ SI172023 -19.36 107.01 94 964 2 30,40,50,50 1006 118 7 5 178
2023 SI WA 12:00:00 NR -19.60 107.00 762 757 O_____________ tcvitals SI172023 -19.60 107.00 84 977 2 30,40,50,50 1007 110 10 4 195
2023 SI WA 15:00:00 NR -19.74 106.91 766 761 P_____________ SI172023 -19.74 106.91 77 979 1 30,40,50,50 1007 105 12 3 224
2023 SI WA 18:00:00 NR -19.80 106.80 771 771 O_____________ tcvitals SI172023 -19.80 106.80 70 982 1 30,40,50,50 1007 100 14 1 229
2023 SI WA 21:00:00 NR -19.81 106.82 771 771 P_____________ SI172023 -19.81 106.82 67 983 1 30,40,50,50 1007 100 14 1 270
2023 SI WA 2023-04-02 00:00:00 NR -19.80 106.70 780 780 O_____________ tcvitals SI172023 -19.80 106.70 64 985 1 30,40,50,50 1007 100 14 6 271
2023 SI WA 03:00:00 NR -19.80 106.17 828 828 P_____________ SI172023 -19.80 106.17 49 989 0 1006 95 17 10 270
2023 SI WA 06:00:00 NR -19.80 105.60 886 886 O_____________ tcvitals SI172023 -19.80 105.60 35 994 0 1005 90 20 8 270
2023 SI WA 09:00:00 NR -19.80 105.35 915 915 P_____________ SI172023 -19.80 105.35 32 996 -1 1006 95 20 3 270
2023 SI WA 12:00:00 NR -19.80 105.30 915 O_____________ tcvitals SI172023 -19.80 105.30 29 998 -1 1007 100 20 1 269