2018 AL season · AL082018 · Archived

Helene

Archived record: full track, peak intensity, and the model guidance issued at the time.

Ant Rozetsky, Unsplash

Peak intensity
Category 2
Peak winds
109 mph
Lowest pressure
967 mb
Track points
42

Observed track

Time (UTC) Position Winds Pressure Stage
Sep 17 18:00 49.5, -10.0 52 mph 995 mb Tropical Storm
Sep 17 12:00 48.0, -12.5 58 mph 992 mb Tropical Storm
Sep 17 06:00 46.7, -16.0 58 mph 992 mb Tropical Storm
Sep 17 00:00 45.2, -20.0 58 mph 992 mb Tropical Storm
Sep 16 18:00 44.1, -24.0 52 mph 993 mb Tropical Storm
Sep 16 12:00 43.1, -27.1 52 mph 993 mb Tropical Storm
Sep 16 06:00 41.8, -29.6 52 mph 993 mb Tropical Storm
Sep 16 00:00 40.6, -31.5 58 mph 992 mb Tropical Storm
Sep 15 18:00 39.6, -32.9 63 mph 989 mb Tropical Storm
Sep 15 12:00 38.4, -34.5 63 mph 987 mb Tropical Storm
Sep 15 06:00 36.9, -35.7 69 mph 986 mb Tropical Storm
Sep 15 00:00 35.2, -36.5 69 mph 986 mb Tropical Storm
Sep 14 18:00 33.7, -37.0 69 mph 987 mb Tropical Storm
Sep 14 12:00 31.8, -37.2 69 mph 988 mb Tropical Storm
Sep 14 06:00 29.4, -37.3 69 mph 989 mb Tropical Storm
Sep 14 00:00 27.2, -37.4 69 mph 989 mb Tropical Storm
Sep 13 18:00 25.4, -37.4 69 mph 988 mb Tropical Storm
Sep 13 12:00 24.1, -37.4 69 mph 988 mb Tropical Storm
Sep 13 06:00 22.9, -37.3 75 mph 985 mb Category 1
Sep 13 00:00 21.9, -37.1 81 mph 982 mb Category 1
Sep 12 18:00 20.8, -36.7 86 mph 979 mb Category 1
Sep 12 12:00 19.8, -36.3 92 mph 976 mb Category 1
Sep 12 06:00 18.7, -35.8 92 mph 976 mb Category 1
Sep 12 00:00 17.6, -35.3 98 mph 973 mb Category 2