Hurricane Dennis (1999)

Track map, landfall & timeline · Atlantic · August 24 – September 8, 1999

Peak wind
104 mph
167 km/h · Aug 28
Peak category
Cat 2
Saffir–Simpson
Lowest pressure
962 mb
Landfalls
2
Bahamas · North Carolina
Lifetime
15.8 d
Aug 24 – Sep 8
Distance
2,993 mi
4,816 km
ACE
20.2
storm energy

TD TS Cat 1 2 3 4 5 · dashed = post-tropical / remnant low. Click any point or table row to jump there.

01 · The story

What happened with Dennis

Hurricane Dennis (1999) was a Category 2 hurricane of the 1999 Atlantic season. It formed on August 24, 1999, 202 mi NE of Nagua, Dominican Republic, reached its peak of 104 mph (167 km/h) and a minimum pressure of 962 mb on August 28, 1999, and made landfall 2 times — first 17 mi ENE of Marsh Harbour, Bahamas on August 28, 1999 as a Category 1 hurricane (86 mph). Later landfalls: 14 mi ENE of Morehead City, North Carolina on September 4, 1999 as a tropical storm (69 mph). The storm lasted 15.8 days and travelled about 2,993 miles (4,816 km).

02 · Intensity

Wind and pressure, hour by hour

Maximum sustained wind (mph) — hover or drag to scrub the map

03 · Impact

Landfalls and cities in the path

Landfall (UTC)WhereStrengthPressure
August 28, 1999 · 07:00 UTC17 mi ENE of Marsh Harbour, BahamasCat 1 86 mph976 mb
September 4, 1999 · 21:00 UTC14 mi ENE of Morehead City, North CarolinaTS 69 mph984 mb

Closest approach to major cities

CityDistance to centerWhen (UTC)Storm strength then
Raleigh, North Carolina15 miSep 5 · 10:00 UTCTD 36 mph
West Raleigh, North Carolina15 miSep 5 · 11:00 UTCTD 35 mph
Greensboro, North Carolinadirect hitSep 5 · 23:00 UTCTD 29 mph
Washington, District of Columbia58 miSep 7 · 02:00 UTCTD 23 mph
Baltimore, Maryland66 miSep 7 · 03:00 UTCTD 23 mph
Buffalo, New York60 miSep 7 · 13:00 UTCTD 23 mph
Montréal, Quebec, Canada72 miSep 8 · 12:00 UTCTD 23 mph
Laval, Quebec, Canada71 miSep 8 · 12:00 UTCTD 23 mph
Ottawa, Ontario, Canadadirect hitSep 8 · 18:00 UTCTD 23 mph
Gatineau, Quebec, Canadadirect hitSep 8 · 18:00 UTCTD 23 mph

Distance from the city to the storm’s center, interpolated hourly between official fixes. Damaging winds, surge and rain reach far beyond the center.

04 · Timeline

Every official fix 66 positions

Date · UTCStatusWindPressurePositionNearest place
Aug 24 00:00TD 35 mph1009 mb21.5°N 67.7°Wopen ocean
Aug 24 06:00TD 35 mph1009 mb22.0°N 68.9°Wopen ocean
Aug 24 12:00TS 40 mph1009 mb22.4°N 70.0°W150 mi ENE of Providenciales, Turks and Caicos Islands
Aug 24 18:00TS 46 mph1009 mb22.7°N 70.9°W107 mi NE of Providenciales, Turks and Caicos Islands
Aug 25 00:00TS 46 mph1008 mb22.8°N 71.5°W85 mi NE of Providenciales, Turks and Caicos Islands
Aug 25 06:00TS 46 mph1007 mb23.0°N 71.9°W87 mi NNE of Providenciales, Turks and Caicos Islands
Aug 25 12:00TS 52 mph1004 mb23.2°N 72.1°W98 mi N of Providenciales, Turks and Caicos Islands
Aug 25 18:00TS 63 mph1000 mb23.4°N 72.3°W112 mi N of Providenciales, Turks and Caicos Islands
Aug 26 00:00TS 69 mph998 mb23.6°N 72.5°W127 mi N of Providenciales, Turks and Caicos Islands
Aug 26 06:00Cat 1 75 mph995 mb23.8°N 73.1°W150 mi NNW of Providenciales, Turks and Caicos Islands
Aug 26 12:00Cat 1 75 mph995 mb24.1°N 73.6°W182 mi NNW of Providenciales, Turks and Caicos Islands
Aug 26 18:00Cat 1 81 mph990 mb24.4°N 74.0°Wopen ocean
Aug 27 00:00Cat 1 75 mph993 mb24.8°N 74.4°W185 mi E of Nassau, Bahamas
Aug 27 06:00Cat 1 75 mph988 mb25.2°N 75.0°W147 mi E of Nassau, Bahamas
Aug 27 12:00Cat 1 75 mph988 mb25.6°N 75.5°W121 mi ENE of Nassau, Bahamas
Aug 27 18:00Cat 1 75 mph987 mb25.9°N 75.9°W107 mi ENE of Nassau, Bahamas
Aug 28 00:00Cat 1 81 mph982 mb26.1°N 76.2°W101 mi NE of Nassau, Bahamas
Aug 28 06:00Cat 1 86 mph976 mb26.5°N 76.7°W107 mi NNE of Nassau, Bahamas
Aug 28 07:00Cat 1 LANDFALL 86 mph976 mb26.6°N 76.8°W112 mi NNE of Nassau, Bahamas
Aug 28 12:00Cat 2 98 mph973 mb27.1°N 77.0°W110 mi ENE of Lucaya, Bahamas
Aug 28 18:00Cat 2 104 mph969 mb27.7°N 77.3°W116 mi NE of Lucaya, Bahamas
Aug 29 00:00Cat 2 104 mph969 mb28.3°N 77.7°W136 mi NNE of Lucaya, Bahamas
Aug 29 06:00Cat 2 104 mph970 mb29.0°N 77.9°W176 mi ENE of Palm Bay, Florida
Aug 29 12:00Cat 2 104 mph971 mb29.9°N 78.4°W165 mi ENE of Daytona Beach, Florida
Aug 29 18:00Cat 2 104 mph967 mb30.8°N 78.4°W164 mi SE of Charleston, South Carolina
Aug 30 00:00Cat 2 104 mph964 mb31.9°N 78.1°W120 mi ESE of Mount Pleasant, South Carolina
Aug 30 06:00Cat 2 104 mph962 mb32.8°N 77.6°W94 mi SE of North Myrtle Beach, South Carolina
Aug 30 12:00Cat 2 98 mph965 mb33.6°N 76.5°W87 mi ESE of Masonboro, North Carolina
Aug 30 18:00Cat 2 98 mph966 mb34.3°N 74.8°W126 mi ESE of Havelock, North Carolina
Aug 31 00:00Cat 1 92 mph971 mb34.9°N 73.6°W177 mi ESE of Elizabeth City, North Carolina
Aug 31 06:00Cat 1 92 mph977 mb35.1°N 72.9°Wopen ocean
Aug 31 12:00Cat 1 86 mph983 mb35.2°N 72.8°Wopen ocean
Aug 31 18:00Cat 1 81 mph984 mb35.1°N 73.3°W185 mi ESE of Elizabeth City, North Carolina
Sep 1 00:00TS 69 mph986 mb35.2°N 73.6°W175 mi SE of Virginia Beach, Virginia
Sep 1 06:00TS 63 mph987 mb35.0°N 73.4°W183 mi ESE of Elizabeth City, North Carolina
Sep 1 12:00TS 58 mph989 mb35.4°N 73.5°W171 mi SE of Virginia Beach, Virginia
Sep 1 18:00TS 58 mph988 mb35.5°N 73.8°W153 mi SE of Virginia Beach, Virginia
Sep 2 00:00TS 58 mph988 mb35.4°N 73.7°W162 mi SE of Virginia Beach, Virginia
Sep 2 06:00TS 52 mph989 mb35.2°N 73.6°W175 mi SE of Virginia Beach, Virginia
Sep 2 12:00TS 52 mph989 mb35.1°N 73.7°W165 mi ESE of Elizabeth City, North Carolina
Sep 2 18:00TS 52 mph990 mb34.8°N 73.9°W168 mi SE of Elizabeth City, North Carolina
Sep 3 00:00TS 52 mph989 mb34.2°N 74.0°W172 mi ESE of Havelock, North Carolina
Sep 3 06:00TS 52 mph989 mb33.6°N 74.1°W183 mi ESE of Havelock, North Carolina
Sep 3 12:00TS 52 mph988 mb33.2°N 73.9°Wopen ocean
Sep 3 18:00TS 58 mph987 mb33.0°N 73.8°Wopen ocean
Sep 4 00:00TS 58 mph987 mb33.1°N 74.0°Wopen ocean
Sep 4 06:00TS 63 mph986 mb33.3°N 74.5°W175 mi SE of Havelock, North Carolina
Sep 4 12:00TS 63 mph986 mb33.9°N 75.3°W114 mi SE of Havelock, North Carolina
Sep 4 18:00TS 69 mph986 mb34.5°N 76.0°W58 mi ESE of Havelock, North Carolina
Sep 4 21:00TS LANDFALL 69 mph984 mb34.8°N 76.5°W23 mi ESE of Havelock, North Carolina
Sep 5 00:00TS 58 mph985 mb35.0°N 76.8°W10 mi NE of Havelock, North Carolina
Sep 5 06:00TS 40 mph989 mb35.5°N 77.7°W20 mi WSW of Greenville, North Carolina
Sep 5 12:00TD 35 mph994 mb36.1°N 78.8°Wnear Durham, North Carolina
Sep 5 18:00TD 29 mph998 mb36.2°N 79.4°Wnear Burlington, North Carolina
Sep 6 00:00TD 29 mph1000 mb36.2°N 79.9°Wnear Summerfield, North Carolina
Sep 6 06:00TD 23 mph1004 mb36.4°N 80.1°W22 mi NNE of Winston-Salem, North Carolina
Sep 6 12:00TD 23 mph1005 mb37.0°N 79.9°W19 mi S of Roanoke, Virginia
Sep 6 18:00TD 23 mph1008 mb37.7°N 79.5°W27 mi NW of West Lynchburg, Virginia
Sep 7 00:00TD 23 mph1009 mb38.5°N 78.5°W20 mi E of Harrisonburg, Virginia
Sep 7 06:00TD 23 mph1008 mb40.8°N 77.0°W30 mi S of Williamsport, Pennsylvania
Sep 7 12:00TD 23 mph1007 mb42.7°N 77.7°W25 mi S of Henrietta, New York
Sep 7 18:00TD extratropical23 mph1006 mb43.5°N 77.7°W24 mi N of Rochester, New York
Sep 8 00:00TD extratropical23 mph1006 mb43.5°N 76.5°Wnear Oswego, New York
Sep 8 06:00TD extratropical23 mph1006 mb44.0°N 75.8°Wnear Watertown, New York
Sep 8 12:00TD extratropical23 mph1006 mb44.9°N 74.8°Wnear Cornwall, Ontario, Canada
Sep 8 18:00TD extratropical23 mph1005 mb45.5°N 75.6°Wnear Ottawa, Ontario, Canada

⬇ Download track data (CSV) · public-domain NOAA best track

Questions

Frequently asked questions

When and where did Dennis make landfall?

Dennis made landfall 2 times: 17 mi ENE of Marsh Harbour, Bahamas on August 28, 1999 at 07:00 UTC, as a Category 1 hurricane with 86 mph winds; 14 mi ENE of Morehead City, North Carolina on September 4, 1999 at 21:00 UTC, as a tropical storm with 69 mph winds.

What category was Dennis?

At its peak on August 28, 1999, Dennis was a Category 2 hurricane with maximum sustained winds of 104 mph (167 km/h) and a central pressure of 962 mb. At its first landfall it was a Category 1 hurricane.

How long did Dennis last?

15.8 days, from August 24, 1999 to September 8, 1999, including 138 hours at hurricane strength. It travelled about 2,993 miles.

Where can I download the track data for Dennis?

The 6-hourly positions, winds, pressure and wind radii are available as CSV on this page (track.csv) — they come from the NOAA National Hurricane Center's HURDAT2 database and are in the public domain.

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