Unnamed tropical depression (2009)
Unnamed tropical depression peaked at 30 kt in the North Atlantic between May 26, 2009 and May 30, 2009, with a lowest pressure of 1006 mb.
Track and intensity
The whole track of Unnamed tropical depression, colored by strength, with the other storms of the 2009 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.
The storm
- Basin
- North Atlantic
- Dates
- May 26, 2009 to May 30, 2009
- Peak strength
- Tropical Depression, 30 kt (35 mph)
- Lowest pressure
- 1006 mb (29.71 inHg)
- Landfall
- No; closest approach 154 km (96 mi)
- Accumulated cyclone energy
- 0.0
- Eyewall radius at its peak
- 40 nmi (74 km, 46 mi)
- Overall size
- 200 nmi (370 km, 230 mi) to the outermost closed isobar
- Peak gust in the best track
- 40 kt (46 mph)
- Fastest the center moved
- 19 kt (22 mph)
- Identifier
- AL012009
Deaths and damage
No source this site reads carries a casualty or damage figure for this storm.
Track
| Time (UTC) | Position | Wind | Pressure | Status |
|---|---|---|---|---|
| May 26, 18:00 | 30.6N 75.4W | 25 kt | 1010 mb | Low |
| May 27, 00:00 | 31.7N 75.6W | 25 kt | 1010 mb | Low |
| May 27, 06:00 | 32.7N 75.5W | 25 kt | 1010 mb | Low |
| May 27, 12:00 | 33.6N 75.2W | 25 kt | 1009 mb | Low |
| May 27, 18:00 | 34.5N 74.6W | 25 kt | 1008 mb | Low |
| May 28, 00:00 | 35.3N 73.8W | 25 kt | 1007 mb | Low |
| May 28, 06:00 | 36.1N 72.9W | 25 kt | 1007 mb | Tropical depression |
| May 28, 12:00 | 36.9N 71.8W | 25 kt | 1007 mb | Tropical depression |
| May 28, 18:00 | 37.5N 70.3W | 30 kt | 1006 mb | Tropical depression |
| May 29, 00:00 | 38.0N 68.6W | 30 kt | 1006 mb | Tropical depression |
| May 29, 06:00 | 38.6N 66.8W | 30 kt | 1006 mb | Tropical depression |
| May 29, 12:00 | 39.3N 65.0W | 30 kt | 1006 mb | Tropical depression |
| May 29, 18:00 | 40.0N 63.1W | 25 kt | 1007 mb | Tropical depression |
| May 30, 00:00 | 40.6N 61.0W | 25 kt | 1007 mb | Low |
| May 30, 06:00 | 41.0N 58.6W | 25 kt | 1007 mb | Low |
Other North Atlantic storms of 2009
- Tropical Storm AnaNorth Atlantic · 2009
- Hurricane BillNorth Atlantic · 2009 · 2 deaths · $46 million
- Tropical Storm ClaudetteNorth Atlantic · 2009
- Tropical Storm DannyNorth Atlantic · 2009
- Tropical Storm ErikaNorth Atlantic · 2009
- Hurricane FredNorth Atlantic · 2009
- Unnamed tropical depressionNorth Atlantic · 2009
- Tropical Storm GraceNorth Atlantic · 2009
- Tropical Storm HenriNorth Atlantic · 2009
- Hurricane IdaNorth Atlantic · 2009
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.