The 1991 season

Hurricane Grace (1991)

Hurricane Grace reached Category 2 in the North Atlantic between October 25, 1991 and October 29, 1991, with a lowest pressure of 980 mb.

Track and intensity

The whole track of Hurricane Grace, colored by strength, with the other storms of the 1991 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.

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The storm

Basin
North Atlantic
Dates
October 25, 1991 to October 29, 1991
Peak strength
Category 2, 90 kt (104 mph)
Lowest pressure
980 mb (28.94 inHg)
Landfall
No; closest approach 744 km (462 mi)
Accumulated cyclone energy
3.8
Fastest the center moved
39 kt (45 mph)
Identifier
AL111991

Deaths and damage

No source this site reads publishes a machine-readable casualty or damage figure for a storm of this era. The National Hurricane Center’s season tables begin in 1995 and carry deaths and damage only from 2005 in the Atlantic and 2020 in both basins; the US Storm Events record begins in 1996.

Track

Time (UTC)PositionWindPressureStatus
Oct 25, 18:0027.1N 64.9W25 kt1008 mbSubtropical depression
Oct 26, 00:0027.1N 65.2W30 kt1007 mbSubtropical depression
Oct 26, 06:0027.2N 65.5W35 kt1005 mbSubtropical storm
Oct 26, 12:0027.3N 66.0W35 kt1002 mbSubtropical storm
Oct 26, 18:0027.5N 66.5W40 kt997 mbSubtropical storm
Oct 27, 00:0028.1N 67.1W45 kt993 mbSubtropical storm
Oct 27, 06:0028.9N 66.9W50 kt990 mbSubtropical storm
Oct 27, 12:0029.8N 66.4W55 kt988 mbSubtropical storm
Oct 27, 18:0030.8N 67.2W60 kt987 mbTropical storm
Oct 28, 00:0031.6N 68.1W65 kt985 mbHurricane
Oct 28, 06:0032.2N 68.5W65 kt983 mbHurricane
Oct 28, 12:0032.3N 68.5W65 kt983 mbHurricane
Oct 28, 18:0032.4N 67.8W65 kt982 mbHurricane
Oct 29, 00:0031.8N 66.8W70 kt980 mbHurricane
Oct 29, 06:0031.6N 65.3W75 kt981 mbHurricane
Oct 29, 12:0031.5N 63.2W85 kt982 mbHurricane
Oct 29, 18:0032.5N 59.0W75 ktExtratropical

Other North Atlantic storms of 1991

What this means

A best track is the record a warning agency settles on after the storm, not what it said at the time: position, maximum sustained wind and central pressure every six hours, revised against every observation that came in later. Category is the Saffir-Simpson scale, which runs from Category 1 at 64 kt to Category 5 at 137 kt and reads wind only, so it says nothing about surge or rain. Accumulated cyclone energy adds up the square of the wind through the storm's life, so it counts strength and duration together.

Sources

Storm history from NOAA NCEI’s International Best Track Archive for Climate Stewardship (IBTrACS), which merges the official best track of every warning agency. Live storms, cones, watches and warnings from the National Hurricane Center and the Central Pacific Hurricane Center. Archived radar from NOAA’s Level II archive.

The National Hurricane Center has published no tropical cyclone report for this storm.