Track map, landfall & timeline · Eastern Pacific · October 26–28, 2017
TD TS Cat 1 2 3 4 5 · dashed = post-tropical / remnant low. During the replay the shaded rings show the storm’s wind field as analysed by NHC — 39+, 58+ and 74+ mph winds, quadrant by quadrant. Click any point or table row to jump there.
01 · The story
Tropical Storm Selma (2017) was a tropical storm of the 2017 Eastern Pacific season. It formed on October 26, 2017, 182 mi SW of San Rafael del Sur, Nicaragua, reached its peak of 40 mph (65 km/h) and a minimum pressure of 1004 mb on October 27, 2017, and made landfall 12 mi SW of Zacatecoluca, El Salvador on October 28, 2017 as a tropical storm (40 mph). The storm lasted 1.8 days and travelled about 256 miles (412 km).
02 · Intensity
03 · Impact
| Landfall (UTC) | Where | Strength | Pressure |
|---|---|---|---|
| October 28, 2017 · 11:00 UTC | 12 mi SW of Zacatecoluca, El Salvador | TS 40 mph | 1004 mb |
| City | Distance to center | When (UTC) | Storm strength then |
|---|---|---|---|
| San Salvador, El Salvador | 18 mi | Oct 28 · 12:00 UTC | TD 35 mph |
| Soyapango, El Salvador | 17 mi | Oct 28 · 12:00 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 |
|---|---|---|---|---|---|
| Oct 26 18:00 | TD low/wave | 35 mph | 1005 mb | 10.3°N 88.6°W | 179 mi SSW of Corinto, Nicaragua |
| Oct 27 00:00 | TD | 35 mph | 1005 mb | 10.3°N 88.9°W | open ocean |
| Oct 27 06:00 | TS | 40 mph | 1004 mb | 10.5°N 89.2°W | open ocean |
| Oct 27 12:00 | TS | 40 mph | 1004 mb | 10.8°N 89.3°W | 179 mi SSW of Puerto El Triunfo, El Salvador |
| Oct 27 18:00 | TS | 40 mph | 1004 mb | 11.3°N 89.3°W | 146 mi SSW of Puerto El Triunfo, El Salvador |
| Oct 28 00:00 | TS | 40 mph | 1004 mb | 12.0°N 89.1°W | 96 mi SSW of Puerto El Triunfo, El Salvador |
| Oct 28 06:00 | TS | 40 mph | 1004 mb | 12.7°N 89.0°W | 50 mi SW of Puerto El Triunfo, El Salvador |
| Oct 28 11:00 | TS LANDFALL | 40 mph | 1004 mb | 13.4°N 89.0°W | 12 mi SW of Zacatecoluca, El Salvador |
| Oct 28 12:00 | TD | 35 mph | 1005 mb | 13.5°N 89.0°W | near Zacatecoluca, El Salvador |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
Selma made landfall once: 12 mi SW of Zacatecoluca, El Salvador on October 28, 2017 at 11:00 UTC, as a tropical storm with 40 mph winds.
At its peak on October 27, 2017, Selma was a tropical storm with maximum sustained winds of 40 mph (65 km/h) and a central pressure of 1004 mb. At its first landfall it was a tropical storm.
1.8 days, from October 26, 2017 to October 28, 2017. It travelled about 256 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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