Track map, landfall & timeline · Atlantic · September 17–20, 1998
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
Tropical Storm Hermine (1998) was a tropical storm of the 1998 Atlantic season. It formed on September 17, 1998, 188 mi S of Houma, Louisiana, reached its peak of 46 mph (74 km/h) and a minimum pressure of 999 mb on September 19, 1998, and made landfall 36 mi SSW of Houma, Louisiana on September 20, 1998 as a tropical storm (40 mph). The storm lasted 3.3 days and travelled about 622 miles (1,001 km).
02 · Intensity
03 · Impact
| Landfall (UTC) | Where | Strength | Pressure |
|---|---|---|---|
| September 20, 1998 · 05:00 UTC | 36 mi SSW of Houma, Louisiana | TS 40 mph | 1000 mb |
| City | Distance to center | When (UTC) | Storm strength then |
|---|---|---|---|
| New Orleans, Louisiana | 34 mi | Sep 20 · 10:00 UTC | TD 36 mph |
| Metairie Terrace, Louisiana | 29 mi | Sep 20 · 10:00 UTC | TD 36 mph |
| Metairie, Louisiana | 29 mi | Sep 20 · 10:00 UTC | TD 36 mph |
| Baton Rouge, Louisiana | 39 mi | Sep 20 · 11:00 UTC | TD 35 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
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 17 12:00 | TD | 35 mph | 1001 mb | 26.9°N 90.3°W | open ocean |
| Sep 17 18:00 | TD | 35 mph | 1001 mb | 26.8°N 91.6°W | open ocean |
| Sep 18 00:00 | TD | 35 mph | 1000 mb | 26.4°N 92.1°W | open ocean |
| Sep 18 06:00 | TD | 35 mph | 999 mb | 25.7°N 92.5°W | open ocean |
| Sep 18 12:00 | TD | 35 mph | 999 mb | 26.0°N 92.5°W | open ocean |
| Sep 18 18:00 | TD | 35 mph | 1000 mb | 25.9°N 92.3°W | open ocean |
| Sep 19 00:00 | TD | 35 mph | 1001 mb | 25.8°N 92.0°W | open ocean |
| Sep 19 06:00 | TD | 35 mph | 1001 mb | 26.4°N 91.4°W | open ocean |
| Sep 19 12:00 | TS | 40 mph | 1001 mb | 27.5°N 91.3°W | 149 mi SSW of Houma, Louisiana |
| Sep 19 18:00 | TS | 46 mph | 1000 mb | 28.3°N 91.1°W | 92 mi SSW of Houma, Louisiana |
| Sep 20 00:00 | TS | 46 mph | 999 mb | 29.0°N 90.9°W | 43 mi SSW of Houma, Louisiana |
| Sep 20 05:00 | TS LANDFALL | 40 mph | 1000 mb | 29.1°N 90.9°W | 36 mi SSW of Houma, Louisiana |
| Sep 20 06:00 | TS | 40 mph | 1001 mb | 29.2°N 90.9°W | 29 mi SSW of Houma, Louisiana |
| Sep 20 12:00 | TD | 35 mph | 1002 mb | 30.5°N 90.5°W | near Hammond, Louisiana |
| Sep 20 18:00 | TD | 23 mph | 1003 mb | 31.0°N 90.0°W | 17 mi NNW of Bogalusa, Louisiana |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
Hermine made landfall once: 36 mi SSW of Houma, Louisiana on September 20, 1998 at 05:00 UTC, as a tropical storm with 40 mph winds.
At its peak on September 19, 1998, Hermine was a tropical storm with maximum sustained winds of 46 mph (74 km/h) and a central pressure of 999 mb. At its first landfall it was a tropical storm.
3.3 days, from September 17, 1998 to September 20, 1998. It travelled about 622 miles.
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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