Hurricane Dennis (1981)

Track map & timeline · Atlantic · August 7–22, 1981

Peak wind
81 mph
130 km/h · Aug 21
Peak category
Cat 1
Saffir–Simpson
Lowest pressure
995 mb
Landfalls
—
none
Lifetime
14.8 d
Aug 7 – Aug 22
Distance
5,879 mi
9,460 km
ACE
6.4
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 (1981) was a Category 1 hurricane of the 1981 Atlantic season. It formed on August 7, 1981, 340 mi SSW of Praia, Cabo Verde, reached its peak of 81 mph (130 km/h) and a minimum pressure of 995 mb on August 21, 1981, and never made landfall. The storm lasted 14.8 days and travelled about 5,879 miles (9,460 km).

02 · Intensity

Wind and pressure, hour by hour

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

03 · Impact

Cities in the path

Closest approach to major cities

CityDistance to centerWhen (UTC)Storm strength then
Kingston, Jamaica42 miAug 14 · 07:00 UTCTD 17 mph
New Kingston, Jamaica43 miAug 14 · 07:00 UTCTD 17 mph
Havana, Havana, Cuba71 miAug 16 · 09:00 UTCTS 40 mph
Miami, Florida63 miAug 17 · 12:00 UTCTS 40 mph
Hialeah, Florida57 miAug 17 · 13:00 UTCTS 40 mph
Pembroke Pines, Florida61 miAug 17 · 15:00 UTCTS 40 mph
Fort Lauderdale, Florida66 miAug 17 · 17:00 UTCTS 40 mph
Cape Coral, Florida47 miAug 18 · 00:00 UTCTS 40 mph
Orlando, Florida33 miAug 18 · 23:00 UTCTS 40 mph
Jacksonville, Florida51 miAug 19 · 09:00 UTCTS 46 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 60 positions

Date · UTCStatusWindPressurePositionNearest place
Aug 7 06:00TD 35 mph1009 mb10.5°N 25.7°Wopen ocean
Aug 7 12:00TD 35 mph1008 mb10.8°N 28.1°Wopen ocean
Aug 7 18:00TD 35 mph1007 mb11.0°N 29.6°Wopen ocean
Aug 8 00:00TS 40 mph1006 mb11.3°N 31.3°Wopen ocean
Aug 8 06:00TS 40 mph1005 mb11.7°N 33.1°Wopen ocean
Aug 8 12:00TS 40 mph1004 mb12.0°N 35.0°Wopen ocean
Aug 8 18:00TS 46 mph1003 mb12.5°N 36.7°Wopen ocean
Aug 9 00:00TS 46 mph1002 mb12.8°N 38.7°Wopen ocean
Aug 9 06:00TS 46 mph1001 mb13.1°N 40.8°Wopen ocean
Aug 9 12:00TS 46 mph1001 mb13.3°N 43.0°Wopen ocean
Aug 9 18:00TS 46 mph1001 mb13.5°N 45.0°Wopen ocean
Aug 10 00:00TS 46 mph1001 mb13.5°N 47.0°Wopen ocean
Aug 10 06:00TS 46 mph1002 mb13.5°N 49.0°Wopen ocean
Aug 10 12:00TS 46 mph1004 mb13.5°N 51.0°Wopen ocean
Aug 10 18:00TS 40 mph1006 mb13.6°N 52.9°Wopen ocean
Aug 11 00:00TD 35 mph1007 mb13.8°N 54.9°Wopen ocean
Aug 11 06:00TD 35 mph1008 mb14.0°N 56.5°Wopen ocean
Aug 11 12:00TD 35 mph1009 mb14.3°N 58.3°W121 mi NE of Bridgetown, Barbados
Aug 11 18:00TD 35 mph1010 mb14.6°N 60.1°W54 mi E of Le François, Martinique
Aug 12 00:00TD 29 mph1010 mb14.9°N 61.9°W44 mi SW of Roseau, Dominica
Aug 12 06:00TD 29 mph1011 mb15.2°N 63.8°W148 mi WSW of Basse-Terre, Guadeloupe
Aug 12 12:00TD 29 mph1011 mb15.4°N 65.7°W173 mi SSW of Saint Croix, U.S. Virgin Islands
Aug 12 18:00TD 29 mph1011 mb15.6°N 67.6°W179 mi SSW of Ponce, Puerto Rico
Aug 13 00:00TD low/wave17 mph—15.8°N 69.5°W180 mi SSE of Baní, Dominican Republic
Aug 13 06:00TD low/wave17 mph—15.9°N 71.2°W152 mi SSE of Pedernales, Dominican Republic
Aug 13 12:00TD low/wave17 mph—16.1°N 72.8°W149 mi S of Jacmel, Haiti
Aug 13 18:00TD low/wave17 mph—16.4°N 74.4°W131 mi SSW of Les Cayes, Haiti
Aug 14 00:00TD low/wave17 mph—16.8°N 75.7°W110 mi SE of Kingston, Jamaica
Aug 14 06:00TD low/wave17 mph—17.4°N 77.0°W43 mi SSW of Kingston, Jamaica
Aug 14 12:00TD low/wave17 mph—18.0°N 78.0°W17 mi SSE of Savanna-la-Mar, Jamaica
Aug 14 18:00TD low/wave17 mph—18.8°N 78.8°W47 mi NW of Negril, Jamaica
Aug 15 00:00TD low/wave17 mph—19.5°N 79.5°W110 mi E of Frank Sound, Cayman Islands
Aug 15 06:00TD low/wave17 mph—20.3°N 80.0°W104 mi S of Trinidad, Sancti Spíritus Province, Cuba
Aug 15 12:00TD low/wave17 mph—21.0°N 80.5°W64 mi SSW of Trinidad, Sancti Spíritus Province, Cuba
Aug 15 18:00TD 35 mph1007 mb21.7°N 80.8°W38 mi SW of Cienfuegos, Cienfuegos Province, Cuba
Aug 16 00:00TS 40 mph1005 mb22.4°N 81.0°W12 mi SE of Jagüey Grande, Matanzas Province, Cuba
Aug 16 06:00TS 40 mph1003 mb23.0°N 81.2°Wnear Cárdenas, Matanzas Province, Cuba
Aug 16 12:00TS 40 mph1001 mb23.8°N 81.4°W46 mi NNW of Varadero, Matanzas Province, Cuba
Aug 16 18:00TS 40 mph1000 mb24.5°N 81.3°W31 mi E of Key West, Florida
Aug 17 00:00TS 40 mph998 mb24.9°N 81.3°W38 mi NE of Key West, Florida
Aug 17 06:00TS 40 mph999 mb25.2°N 81.2°W49 mi WSW of Homestead, Florida
Aug 17 12:00TS 40 mph999 mb25.8°N 81.2°W34 mi ESE of Marco Island, Florida
Aug 17 18:00TS 40 mph1001 mb26.2°N 81.2°W20 mi SE of Immokalee, Florida
Aug 18 00:00TS 40 mph1003 mb26.5°N 81.2°W15 mi ENE of Immokalee, Florida
Aug 18 06:00TS 40 mph1004 mb26.8°N 81.1°W28 mi WNW of Belle Glade, Florida
Aug 18 12:00TS 40 mph1005 mb27.2°N 81.0°W40 mi W of Port Saint Lucie, Florida
Aug 18 18:00TS 40 mph1005 mb27.6°N 81.0°W28 mi ENE of Sebring, Florida
Aug 19 00:00TS 40 mph1004 mb28.7°N 80.8°Wnear Titusville, Florida
Aug 19 06:00TS 46 mph1003 mb29.7°N 80.8°W26 mi ENE of Palm Coast, Florida
Aug 19 12:00TS 46 mph1002 mb31.0°N 80.8°W35 mi ESE of Saint Simons Island, Georgia
Aug 19 18:00TS 52 mph1001 mb32.2°N 79.9°W40 mi S of Charleston, South Carolina
Aug 20 00:00TS 58 mph999 mb33.4°N 78.8°W21 mi SSE of Myrtle Beach, South Carolina
Aug 20 06:00TS 63 mph998 mb34.7°N 77.0°W14 mi SSW of Havelock, North Carolina
Aug 20 12:00TS 69 mph997 mb35.5°N 75.2°W80 mi SE of Elizabeth City, North Carolina
Aug 20 18:00Cat 1 75 mph995 mb36.3°N 73.0°W170 mi ESE of Virginia Beach, Virginia
Aug 21 00:00Cat 1 81 mph995 mb37.1°N 70.4°Wopen ocean
Aug 21 06:00TS 63 mph998 mb37.8°N 68.0°Wopen ocean
Aug 21 12:00TS 52 mph1000 mb38.1°N 65.4°Wopen ocean
Aug 21 18:00TS 46 mph1003 mb38.4°N 62.8°Wopen ocean
Aug 22 00:00TS extratropical40 mph1005 mb37.8°N 59.7°Wopen ocean

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

Questions

Frequently asked questions

Did Dennis make landfall?

No — the NOAA best-track record shows no landfall for Dennis. Its closest approach to a major city was 33 miles from Orlando, Florida.

What category was Dennis?

At its peak on August 21, 1981, Dennis was a Category 1 hurricane with maximum sustained winds of 81 mph (130 km/h) and a central pressure of 995 mb.

How long did Dennis last?

14.8 days, from August 7, 1981 to August 22, 1981, including 12 hours at hurricane strength. It travelled about 5,879 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.

This site was built by Digital Dynamics Kft.

We build live, data-driven sites like this one

This archive is our own work, built from openly available data — the NOAA best-track records, the replay engine, the wind-field rendering and the map tiles served from our own servers in the European Union. If your business generates data — measurements, machines, orders, customers — we are happy to turn it into a clear, interactive interface.

But this is not all we build:

  • online shops and websites, with a design of your own
  • SaaS products and ERP systems
  • mobile apps for Android and iPhone
  • data collection, automation and map-based visualization

Or anything else that can be programmed — just get in touch.

See our work → or write: info@digitaldynamics.hu
digitaldynamics.hu Preview of the digitaldynamics.hu website