Tropical Depression One (2009)

Track map & timeline · Eastern Pacific · June 17–19, 2009

Peak wind
35 mph
56 km/h · Jun 18
Peak category
TD
Lowest pressure
1003 mb
Landfalls
—
none
Lifetime
1.8 d
Jun 17 – Jun 19
Distance
359 mi
577 km

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 One

Tropical Depression One (2009) was a tropical depression of the 2009 Eastern Pacific season. It formed on June 17, 2009, 314 mi SW of Cihuatlán, Jalisco, Mexico, reached its peak of 35 mph (56 km/h) and a minimum pressure of 1003 mb on June 18, 2009, and never made landfall. The storm lasted 1.8 days and travelled about 359 miles (577 km).

02 · Intensity

Wind and pressure, hour by hour

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

03 · Timeline

Every official fix 8 positions

Date · UTCStatusWindPressurePositionNearest place
Jun 17 18:00TD low/wave29 mph1006 mb15.9°N 107.8°Wopen ocean
Jun 18 00:00TD low/wave29 mph1005 mb16.3°N 108.1°Wopen ocean
Jun 18 06:00TD low/wave29 mph1005 mb16.8°N 108.2°Wopen ocean
Jun 18 12:00TD 29 mph1005 mb17.3°N 108.2°Wopen ocean
Jun 18 18:00TD 35 mph1004 mb17.9°N 108.1°Wopen ocean
Jun 19 00:00TD 35 mph1003 mb18.6°N 107.8°Wopen ocean
Jun 19 06:00TD 35 mph1003 mb19.6°N 107.4°W157 mi WSW of Puerto Vallarta, Jalisco, Mexico
Jun 19 12:00TD 35 mph1003 mb20.8°N 107.0°W108 mi W of Bucerías, Nayarit, Mexico

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

Questions

Frequently asked questions

Did One make landfall?

No — the NOAA best-track record shows no landfall for One.

What category was One?

At its peak on June 18, 2009, One was a tropical depression with maximum sustained winds of 35 mph (56 km/h) and a central pressure of 1003 mb.

How long did One last?

1.8 days, from June 17, 2009 to June 19, 2009. It travelled about 359 miles.

Where can I download the track data for One?

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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