The 2017 season

Tropical Storm Don (2017)

Tropical Storm Don peaked at 45 kt in the North Atlantic between July 17, 2017 and July 18, 2017, with a lowest pressure of 1005 mb.

Track and intensity

The whole track of Tropical Storm Don, colored by strength, with the other storms of the 2017 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
North Atlantic
Dates
July 17, 2017 to July 18, 2017
Peak strength
Tropical Storm, 45 kt (52 mph)
Lowest pressure
1005 mb (29.68 inHg)
Landfall
No; closest approach 433 km (269 mi)
Accumulated cyclone energy
0.8
Tropical-storm-force wind reached
30 nmi (56 km, 35 mi) from the center at its widest
Eyewall radius at its peak
15 nmi (28 km, 17 mi)
Overall size
140 nmi (259 km, 161 mi) to the outermost closed isobar
Peak gust in the best track
55 kt (63 mph)
Fastest the center moved
17 kt (20 mph)
Identifier
AL052017

Deaths and damage

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

Track

Time (UTC)PositionWindPressureStatus
Jul 17, 00:0010.3N 47.7W25 kt1011 mbLow
Jul 17, 06:0010.4N 49.1W30 kt1010 mbTropical depression
Jul 17, 12:0010.7N 50.6W35 kt1009 mbTropical storm
Jul 17, 18:0011.0N 52.2W40 kt1007 mbTropical storm
Jul 18, 00:0011.2N 53.8W45 kt1005 mbTropical storm
Jul 18, 06:0011.3N 55.4W40 kt1008 mbTropical storm
Jul 18, 12:0011.4N 57.1W35 kt1011 mbTropical storm

Other North Atlantic storms of 2017

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.