Hurricane Darby (2010)

Hurricane Darby reached Category 3 in the Eastern Pacific between June 20, 2010 and June 29, 2010, with a lowest pressure of 959 mb.

Track and intensity

The whole track of Hurricane Darby, colored by strength, with the other storms of the 2010 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.

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The storm

Basin: Eastern Pacific
Dates: June 20, 2010 to June 29, 2010
Peak strength: Category 3, 105 kt (121 mph)
Lowest pressure: 959 mb (28.32 inHg)
Landfall: No; closest approach 46 km (29 mi)
Accumulated cyclone energy: 11.1
Tropical-storm-force wind reached: 60 nmi (111 km, 69 mi) from the center at its widest
Hurricane-force wind reached: 20 nmi (37 km, 23 mi) from the center at its widest
Eyewall radius at its peak: 10 nmi (19 km, 12 mi)
Overall size: 175 nmi (324 km, 201 mi) to the outermost closed isobar
Peak gust in the best track: 120 kt (138 mph)
Fastest the center moved: 12 kt (14 mph)
Identifier: EP052010

Deaths and damage

No source this site reads carries a casualty or damage figure for this storm.

Track

Time (UTC)	Position	Wind	Pressure	Status
Jun 20, 12:00	7.9N 88.0W	20 kt	1009 mb	Low
Jun 20, 18:00	8.1N 88.8W	20 kt	1009 mb	Low
Jun 21, 00:00	8.4N 89.4W	20 kt	1009 mb	Low
Jun 21, 06:00	8.8N 90.0W	20 kt	1009 mb	Low
Jun 21, 12:00	9.1N 90.6W	20 kt	1009 mb	Low
Jun 21, 18:00	9.4N 91.1W	25 kt	1008 mb	Low
Jun 22, 00:00	9.6N 91.5W	25 kt	1008 mb	Low
Jun 22, 06:00	9.8N 91.9W	25 kt	1008 mb	Low
Jun 22, 12:00	10.0N 92.2W	25 kt	1008 mb	Low
Jun 22, 18:00	10.2N 92.5W	25 kt	1008 mb	Low
Jun 23, 00:00	10.9N 92.9W	30 kt	1006 mb	Tropical depression
Jun 23, 06:00	11.3N 93.7W	35 kt	1005 mb	Tropical storm
Jun 23, 12:00	11.7N 94.6W	45 kt	1000 mb	Tropical storm
Jun 23, 18:00	11.9N 95.6W	55 kt	994 mb	Tropical storm
Jun 24, 00:00	12.2N 96.6W	60 kt	990 mb	Tropical storm
Jun 24, 06:00	12.5N 97.5W	65 kt	987 mb	Hurricane
Jun 24, 12:00	12.7N 98.3W	70 kt	984 mb	Hurricane
Jun 24, 18:00	12.8N 99.0W	75 kt	981 mb	Hurricane
Jun 25, 00:00	13.1N 99.7W	80 kt	977 mb	Hurricane
Jun 25, 06:00	13.2N 100.4W	90 kt	970 mb	Hurricane
Jun 25, 12:00	13.4N 100.9W	100 kt	962 mb	Hurricane
Jun 25, 18:00	13.6N 101.3W	105 kt	960 mb	Hurricane
Jun 26, 00:00	13.7N 101.8W	100 kt	961 mb	Hurricane
Jun 26, 06:00	13.5N 102.2W	100 kt	962 mb	Hurricane
Jun 26, 12:00	13.5N 102.5W	95 kt	965 mb	Hurricane
Jun 26, 18:00	13.5N 102.7W	85 kt	975 mb	Hurricane
Jun 27, 00:00	13.5N 102.9W	70 kt	984 mb	Hurricane
Jun 27, 06:00	13.5N 103.1W	60 kt	991 mb	Tropical storm
Jun 27, 12:00	13.6N 103.0W	50 kt	997 mb	Tropical storm
Jun 27, 18:00	13.7N 102.6W	40 kt	1001 mb	Tropical storm
Jun 28, 00:00	13.8N 102.2W	35 kt	1002 mb	Tropical storm
Jun 28, 06:00	14.1N 101.3W	35 kt	1003 mb	Tropical storm
Jun 28, 12:00	14.2N 100.1W	30 kt	1004 mb	Tropical depression
Jun 28, 18:00	14.3N 98.9W	25 kt	1004 mb	Low
Jun 29, 00:00	14.6N 97.9W	25 kt	1005 mb	Low
Jun 29, 06:00	14.9N 97.1W	25 kt	1005 mb	Low
Jun 29, 12:00	15.1N 96.5W	20 kt	1006 mb	Low
Jun 29, 18:00	15.3N 96.1W	20 kt	1006 mb	Low

Other Eastern Pacific storms of 2010

What this means

A best track is the record a warning agency settles on after the storm, not what it said at the time: position, maximum sustained wind and central pressure every six hours, revised against every observation that came in later. Category is the Saffir-Simpson scale, which runs from Category 1 at 64 kt to Category 5 at 137 kt and reads wind only, so it says nothing about surge or rain. Accumulated cyclone energy adds up the square of the wind through the storm's life, so it counts strength and duration together.

Sources

Storm history from NOAA NCEI’s International Best Track Archive for Climate Stewardship (IBTrACS), which merges the official best track of every warning agency. Live storms, cones, watches and warnings from the National Hurricane Center and the Central Pacific Hurricane Center. Archived radar from NOAA’s Level II archive.