Track map & timeline · Eastern Pacific · October 8–11, 1999
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 Irwin (1999) was a tropical storm of the 1999 Eastern Pacific season. It formed on October 8, 1999, 133 mi SSW of Manzanillo, Colima, Mexico, reached its peak of 58 mph (93 km/h) and a minimum pressure of 996 mb on October 9, 1999, and never made landfall. The storm lasted 2.8 days and travelled about 540 miles (868 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Oct 8 12:00 | TD | 35 mph | 1005 mb | 17.3°N 105.0°W | 133 mi SSW of Manzanillo, Colima, Mexico |
| Oct 8 18:00 | TS | 40 mph | 1004 mb | 17.7°N 105.1°W | 110 mi SSW of Manzanillo, Colima, Mexico |
| Oct 9 00:00 | TS | 46 mph | 1000 mb | 18.1°N 105.3°W | 94 mi SW of Manzanillo, Colima, Mexico |
| Oct 9 06:00 | TS | 52 mph | 998 mb | 18.4°N 105.7°W | 94 mi SW of Cihuatlán, Jalisco, Mexico |
| Oct 9 12:00 | TS | 52 mph | 998 mb | 18.8°N 106.4°W | 124 mi WSW of Cihuatlán, Jalisco, Mexico |
| Oct 9 18:00 | TS | 58 mph | 996 mb | 19.0°N 107.1°W | 165 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Oct 10 00:00 | TS | 58 mph | 997 mb | 19.1°N 108.0°W | open ocean |
| Oct 10 06:00 | TS | 52 mph | 998 mb | 19.2°N 109.0°W | open ocean |
| Oct 10 12:00 | TS | 46 mph | 1000 mb | 19.1°N 110.0°W | open ocean |
| Oct 10 18:00 | TS | 40 mph | 1003 mb | 18.9°N 110.8°W | open ocean |
| Oct 11 00:00 | TD | 35 mph | 1004 mb | 18.4°N 111.3°W | open ocean |
| Oct 11 06:00 | TD | 29 mph | 1007 mb | 18.0°N 112.0°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Irwin.
At its peak on October 9, 1999, Irwin was a tropical storm with maximum sustained winds of 58 mph (93 km/h) and a central pressure of 996 mb.
2.8 days, from October 8, 1999 to October 11, 1999. It travelled about 540 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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