Hurricane Delia (1973)

Track map, landfall & timeline · Atlantic · September 2–7, 1973

Peak wind
86 mph
139 km/h · Sep 4
Peak category
Cat 1
Saffir–Simpson
Lowest pressure
986 mb
Landfalls
2
Texas
Lifetime
5.3 d
Sep 2 – Sep 7
Distance
1,397 mi
2,248 km
ACE
4.8
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 Delia

Hurricane Delia (1973) was a Category 1 hurricane of the 1973 Atlantic season. It formed on September 2, 1973, 22 mi NE of Cancún, Quintana Roo, Mexico, reached its peak of 86 mph (139 km/h) and a minimum pressure of 986 mb on September 4, 1973, and made landfall 2 times — first near Freeport, Texas on September 5, 1973 as a tropical storm (69 mph). Later landfalls: near Freeport, Texas on September 6, 1973 as a tropical storm (58 mph). The storm lasted 5.3 days and travelled about 1,397 miles (2,248 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
September 5, 1973 · 02:00 UTCnear Freeport, TexasTS 69 mph987 mb
September 6, 1973 · 06:00 UTCnear Freeport, TexasTS 58 mph988 mb

Closest approach to major cities

CityDistance to centerWhen (UTC)Storm strength then
Cancún, Quintana Roo, Mexico22 miSep 2 · 00:00 UTCTD 35 mph
Pasadena, Texas45 miSep 6 · 08:00 UTCTS 54 mph
Pearland, Texas35 miSep 6 · 08:00 UTCTS 54 mph
Houston, Texas41 miSep 6 · 09:00 UTCTS 52 mph
Cypress, Texas35 miSep 6 · 11:00 UTCTS 48 mph
College Station, Texas54 miSep 6 · 13:00 UTCTS 45 mph
Austin, Texasdirect hitSep 6 · 17:00 UTCTS 41 mph
Round Rock, Texas21 miSep 6 · 17:00 UTCTS 41 mph
Killeen, Texas61 miSep 6 · 18:00 UTCTS 40 mph
San Antonio, Texas60 miSep 6 · 19:00 UTCTS 39 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 23 positions

Date · UTCStatusWindPressurePositionNearest place
Sep 2 00:00TD 35 mph1006 mb21.4°N 86.6°W22 mi NE of Cancún, Quintana Roo, Mexico
Sep 2 06:00TD 35 mph—21.9°N 86.8°W50 mi N of Cancún, Quintana Roo, Mexico
Sep 2 12:00TD 35 mph1005 mb22.4°N 87.0°W85 mi N of Cancún, Quintana Roo, Mexico
Sep 2 18:00TS 46 mph1000 mb23.1°N 87.4°W138 mi NNW of Cancún, Quintana Roo, Mexico
Sep 3 00:00TS 46 mph1001 mb24.0°N 88.0°Wopen ocean
Sep 3 06:00TS 52 mph—24.9°N 88.9°Wopen ocean
Sep 3 12:00TS 58 mph999 mb25.8°N 89.8°Wopen ocean
Sep 3 18:00TS 69 mph994 mb26.5°N 91.0°Wopen ocean
Sep 4 00:00TS 69 mph995 mb27.0°N 92.3°Wopen ocean
Sep 4 06:00TS 69 mph997 mb27.2°N 93.1°W178 mi SE of Galveston, Texas
Sep 4 12:00Cat 1 75 mph993 mb27.8°N 93.3°W138 mi SE of Galveston, Texas
Sep 4 18:00Cat 1 86 mph986 mb28.5°N 94.2°W66 mi SSE of Galveston, Texas
Sep 5 00:00Cat 1 75 mph987 mb29.0°N 94.9°W22 mi SSW of Galveston, Texas
Sep 5 02:00TS LANDFALL 69 mph987 mb29.0°N 95.3°Wnear Freeport, Texas
Sep 5 06:00TS 63 mph988 mb28.9°N 95.7°W17 mi ESE of Bay City, Texas
Sep 5 12:00TS 58 mph988 mb28.2°N 95.9°W53 mi ESE of Port Lavaca, Texas
Sep 5 18:00TS 58 mph991 mb28.0°N 95.5°W66 mi S of Freeport, Texas
Sep 6 00:00TS 58 mph988 mb28.1°N 95.3°W59 mi S of Freeport, Texas
Sep 6 06:00TS LANDFALL 58 mph988 mb28.9°N 95.4°Wnear Freeport, Texas
Sep 6 12:00TS 46 mph992 mb29.8°N 96.3°W26 mi SSE of Brenham, Texas
Sep 6 18:00TS 40 mph995 mb30.3°N 98.1°Wnear Lakeway, Texas
Sep 7 00:00TD 35 mph998 mb30.2°N 100.0°W52 mi WNW of Kerrville, Texas
Sep 7 06:00TD 29 mph1000 mb29.2°N 101.7°W46 mi W of Ciudad Acuña, Coahuila, Mexico

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

Questions

Frequently asked questions

When and where did Delia make landfall?

Delia made landfall 2 times: near Freeport, Texas on September 5, 1973 at 02:00 UTC, as a tropical storm with 69 mph winds; near Freeport, Texas on September 6, 1973 at 06:00 UTC, as a tropical storm with 58 mph winds.

What category was Delia?

At its peak on September 4, 1973, Delia was a Category 1 hurricane with maximum sustained winds of 86 mph (139 km/h) and a central pressure of 986 mb. At its first landfall it was a tropical storm.

How long did Delia last?

5.3 days, from September 2, 1973 to September 7, 1973, including 14 hours at hurricane strength. It travelled about 1,397 miles.

Where can I download the track data for Delia?

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