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

2020 Subtropical storm ALPHA (2020259N47337)


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 2020259N47337
Start Sep 14 12Z
Landfall Sep 18 21Z
Max Intensity 55 kt (Sep 15 00Z), 990 mb (Sep 15 06Z)
End Sep 19 00Z
ATCF IDs AL242020
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
NA 2020-09-14 12:00:00 ET 47.10 -23.30 35 992
NA 15:00:00 ET 47.09 -23.02 42 992
NA 18:00:00 ET 47.10 -22.80 50 992
NA 21:00:00 ET 47.12 -22.67 52 992
NA 2020-09-15 00:00:00 ET 47.00 -22.60 55 992
NA 03:00:00 ET 46.55 -22.56 55 991
NA 06:00:00 ET 46.00 -22.50 55 990
NA 09:00:00 ET 45.62 -22.40 52 991
NA 12:00:00 ET 45.20 -22.20 50 993
NA 15:00:00 ET 44.56 -21.91 47 996
NA 18:00:00 ET 43.90 -21.50 45 1000
NA 21:00:00 ET 43.37 -20.95 45 999
NA 2020-09-16 00:00:00 ET 42.90 -20.40 45 998
NA 03:00:00 ET 42.46 -19.98 45 998
NA 06:00:00 ET 42.00 -19.70 45 998
NA 09:00:00 ET 41.46 -19.56 45 998
NA 12:00:00 ET 40.90 -19.50 45 998
NA 15:00:00 ET 40.41 -19.41 45 998
NA 18:00:00 ET 39.90 -19.30 45 999
NA 21:00:00 ET 39.25 -19.23 42 999
NA 2020-09-17 00:00:00 ET 38.70 -19.00 40 999
NA 03:00:00 ET 38.46 -18.42 40 999
NA 06:00:00 ET 38.30 -17.80 40 999
NA 09:00:00 ET 38.05 -17.59 37 999
NA 12:00:00 ET 37.70 -17.30 35 1000
NA 15:00:00 ET 37.10 -16.60 37 1000
NA 18:00:00 ET 36.60 -15.60 40 1000
NA 21:00:00 ET 36.47 -14.31 42 998
NA 2020-09-18 00:00:00 ET 36.70 -13.00 45 996
NA 03:00:00 ET 37.29 -11.92 45 996
NA 06:00:00 ET 38.00 -11.10 45 996
NA 09:00:00 ET 38.47 -10.65 45 997
NA 12:00:00 SS 38.90 -10.30 45 999
NA 15:00:00 SS 39.42 -9.69 45 998
NA 18:00:00 SS 39.90 -9.00 45 998
NA 21:00:00 SS 40.22 -8.35 35 1001
NA 2020-09-19 00:00:00 DS 40.50 -7.70 25 1005

Source Information

Agency Information
USA bal242020.dat
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 STATUS USA WIND USA PRES USA SSHS USA R34 USA R50 USA POCI USA ROCI USA RMW USA GUST STORM SPEED STORM DIR
Year degrees north degrees east km km degrees north degrees east kts mb 1 nmile nmile mb nmile nmile kts kts degrees
2020 NA NA 2020-09-14 12:00:00 ET 47.10 -23.30 1062 1043 O_____________ nhc_working_bt AL242020 47.10 -23.30 EX 35 992 -4 1008 240 90 4 94
2020 NA NA 15:00:00 ET 47.09 -23.02 1043 1031 P_____________ AL242020 47.09 -23.02 EX 42 992 -4 1008 240 90 3 90
2020 NA NA 18:00:00 ET 47.10 -22.80 1031 1025 O_____________ nhc_working_bt AL242020 47.10 -22.80 EX 50 992 -4 1008 240 90 2 81
2020 NA NA 21:00:00 ET 47.12 -22.67 1025 1019 P_____________ AL242020 47.12 -22.67 EX 52 992 -4 1008 240 90 2 127
2020 NA NA 2020-09-15 00:00:00 ET 47.00 -22.60 1025 1025 O_____________ nhc_working_bt AL242020 47.00 -22.60 EX 55 992 -4 240,80,100,240 , ,60,140 1008 240 90 6 172
2020 NA NA 03:00:00 ET 46.55 -22.56 1052 1052 P_____________ AL242020 46.55 -22.56 EX 55 991 -4 240,80,100,240 , ,60,140 1008 240 90 10 176
2020 NA NA 06:00:00 ET 46.00 -22.50 1088 1076 O_____________ nhc_working_bt AL242020 46.00 -22.50 EX 55 990 -4 240,80,100,240 , ,60,140 1008 240 90 9 173
2020 NA NA 09:00:00 ET 45.62 -22.40 1076 1053 P_____________ AL242020 45.62 -22.40 EX 52 991 -4 155,75,175,240 , ,80,120 1008 225 95 8 165
2020 NA NA 12:00:00 ET 45.20 -22.20 1053 1021 O_____________ nhc_working_bt AL242020 45.20 -22.20 EX 50 993 -4 70,70,250,240 , ,100,100 1008 210 100 11 162
2020 NA NA 15:00:00 ET 44.56 -21.91 1021 985 P_____________ AL242020 44.56 -21.91 EX 47 996 -4 70,70,250,240 1008 210 100 14 159
2020 NA NA 18:00:00 ET 43.90 -21.50 985 945 O_____________ nhc_working_bt AL242020 43.90 -21.50 EX 45 1000 -4 70,70,250,240 1008 210 100 14 150
2020 NA NA 21:00:00 ET 43.37 -20.95 937 899 P_____________ AL242020 43.37 -20.95 EX 45 999 -4 70,70,225,220 1010 225 100 13 141
2020 NA NA 2020-09-16 00:00:00 ET 42.90 -20.40 899 871 O_____________ nhc_working_bt AL242020 42.90 -20.40 EX 45 998 -4 70,70,200,200 1013 240 100 12 142
2020 NA NA 03:00:00 ET 42.46 -19.98 871 853 P_____________ AL242020 42.46 -19.98 EX 45 998 -4 70,70,200,200 1013 240 100 10 150
2020 NA NA 06:00:00 ET 42.00 -19.70 855 849 O_____________ nhc_working_bt AL242020 42.00 -19.70 EX 45 998 -4 70,70,200,200 1013 240 100 10 163
2020 NA NA 09:00:00 ET 41.46 -19.56 859 853 P_____________ AL242020 41.46 -19.56 EX 45 998 -4 70,70,200,200 1013 240 100 11 172
2020 NA NA 12:00:00 ET 40.90 -19.50 869 863 O_____________ nhc_working_bt AL242020 40.90 -19.50 EX 45 998 -4 70,70,200,200 1013 240 100 11 174
2020 NA NA 15:00:00 ET 40.41 -19.41 863 848 P_____________ AL242020 40.41 -19.41 EX 45 998 -4 70,70,200,200 1013 240 100 10 171
2020 NA NA 18:00:00 ET 39.90 -19.30 848 836 O_____________ nhc_working_bt AL242020 39.90 -19.30 EX 45 999 -4 70,70,200,200 1013 240 100 12 173
2020 NA NA 21:00:00 ET 39.25 -19.23 836 821 P_____________ AL242020 39.25 -19.23 EX 42 999 -4 70,70,200,200 1013 240 100 12 169
2020 NA NA 2020-09-17 00:00:00 ET 38.70 -19.00 821 779 O_____________ nhc_working_bt AL242020 38.70 -19.00 EX 40 999 -4 70,70,200,200 1013 240 100 10 142
2020 NA NA 03:00:00 ET 38.46 -18.42 771 721 P_____________ AL242020 38.46 -18.42 EX 40 999 -4 , ,160, 1012 240 85 10 113
2020 NA NA 06:00:00 ET 38.30 -17.80 721 707 O_____________ nhc_working_bt AL242020 38.30 -17.80 EX 40 999 -4 , ,120, 1012 240 70 8 122
2020 NA NA 09:00:00 ET 38.05 -17.59 707 689 P_____________ AL242020 38.05 -17.59 EX 37 999 -4 , ,105, 1012 240 70 7 147
2020 NA NA 12:00:00 ET 37.70 -17.30 689 653 O_____________ nhc_working_bt AL242020 37.70 -17.30 EX 35 1000 -4 , ,90,90 1012 240 70 12 141
2020 NA NA 15:00:00 ET 37.10 -16.60 648 596 P_____________ AL242020 37.10 -16.60 EX 37 1000 -4 , ,90,90 1012 240 70 17 129
2020 NA NA 18:00:00 ET 36.60 -15.60 587 483 O_____________ nhc_working_bt AL242020 36.60 -15.60 EX 40 1000 -4 , ,90,90 1012 240 70 19 109
2020 NA NA 21:00:00 ET 36.47 -14.31 474 365 P_____________ AL242020 36.47 -14.31 EX 42 998 -4 , ,90,90 1012 240 70 21 87
2020 NA NA 2020-09-18 00:00:00 ET 36.70 -13.00 356 266 O_____________ nhc_working_bt AL242020 36.70 -13.00 EX 45 996 -4 , ,90,90 1012 240 70 21 67
2020 NA NA 03:00:00 ET 37.29 -11.92 258 165 P_____________ AL242020 37.29 -11.92 EX 45 996 -4 , ,80, 1012 240 70 20 49
2020 NA NA 06:00:00 ET 38.00 -11.10 165 113 O_____________ nhc_working_bt AL242020 38.00 -11.10 EX 45 996 -4 ,50,70, 1012 240 70 15 40
2020 NA NA 09:00:00 ET 38.47 -10.65 109 69 P_____________ AL242020 38.47 -10.65 EX 45 997 -4 ,40,50, 1010 225 45 11 35
2020 NA NA 12:00:00 SS 38.90 -10.30 69 36 O_____________ nhc_working_bt AL242020 38.90 -10.30 SS 45 999 -2 30,30,30, 1008 210 20 50 12 38
2020 NA NA 15:00:00 SS 39.42 -9.69 36 8 P_____________ AL242020 39.42 -9.69 SS 45 998 -2 30,30,30, 1007 195 20 14 45
2020 NA NA 18:00:00 SS 39.90 -9.00 8 0 O_____________ nhc_working_bt AL242020 39.90 -9.00 SS 45 998 -2 30,30,30, 1007 180 20 55 13 52
2020 NA NA 21:00:00 SS 40.22 -8.35 0 0 P_____________ AL242020 40.24 -8.34 SS 35 1001 -2 15,15,15, 1007 180 20 12 59
2020 NA NA 2020-09-19 00:00:00 DS 40.50 -7.70 0 O_____________ nhc_working_bt AL242020 40.50 -7.70 LO 25 1005 -3 1007 180 20 35 11 60