Tropical Storm Errol (2011)
Tropical Storm Errol peaked at 55 kt in the South Indian between April 12, 2011 and April 18, 2011, with a lowest pressure of 982 mb, and made landfall.
Radar
Reflectivity now over Tropical Storm Errol. Open it to see storms, cones and warnings on the map.























Radar mosaic and map layers from NOAA MRMS. Boundaries from the Iowa Environmental Mesonet.
The storm
- Basin
- South Indian
- Dates
- April 12, 2011 to April 18, 2011
- Peak strength
- Tropical Storm, 55 kt (63 mph)
- Lowest pressure
- 982 mb (29.00 inHg)
- Landfall
- Yes
- Accumulated cyclone energy
- 2.5
- Identifier
- SH212011
Deaths and damage
No source this site reads carries a casualty or damage figure for this storm.
Track
| Time (UTC) | Position | Wind | Pressure | Status |
|---|---|---|---|---|
| Apr 12, 18:00 | 11.7S 125.5E | 25 kt | 1006 mb | Tropical storm |
| Apr 13, 00:00 | 11.8S 125.8E | 25 kt | 1006 mb | Tropical storm |
| Apr 13, 06:00 | 12.5S 125.3E | 15 kt | 1010 mb | Disturbance |
| Apr 13, 12:00 | 12.4S 125.6E | 20 kt | 1007 mb | Disturbance |
| Apr 13, 18:00 | 12.4S 125.8E | 25 kt | 1004 mb | Tropical depression |
| Apr 14, 00:00 | 12.5S 125.9E | 30 kt | 1000 mb | Tropical depression |
| Apr 14, 06:00 | 12.5S 126.1E | 30 kt | 1000 mb | Tropical depression |
| Apr 14, 12:00 | 12.8S 126.2E | 30 kt | 1000 mb | Tropical depression |
| Apr 14, 18:00 | 13.1S 126.2E | 35 kt | 996 mb | Tropical storm |
| Apr 15, 00:00 | 12.9S 126.1E | 40 kt | 993 mb | Tropical storm |
| Apr 15, 06:00 | 12.7S 126.0E | 40 kt | 993 mb | Tropical storm |
| Apr 15, 12:00 | 12.3S 125.8E | 45 kt | 989 mb | Tropical storm |
| Apr 15, 18:00 | 12.0S 125.4E | 45 kt | 989 mb | Tropical storm |
| Apr 16, 00:00 | 11.7S 125.1E | 50 kt | 985 mb | Tropical storm |
| Apr 16, 06:00 | 11.4S 124.8E | 50 kt | 987 mb | Tropical storm |
| Apr 16, 12:00 | 11.2S 124.9E | 55 kt | 982 mb | Tropical storm |
| Apr 16, 18:00 | 11.2S 125.1E | 50 kt | 985 mb | Tropical storm |
| Apr 17, 00:00 | 11.0S 125.2E | 45 kt | 989 mb | Tropical storm |
| Apr 17, 06:00 | 10.4S 125.2E | 40 kt | 993 mb | Tropical storm |
| Apr 17, 12:00 | 10.1S 124.9E | 35 kt | 996 mb | Tropical storm |
| Apr 17, 18:00 | 9.9S 124.6E | 35 kt | 996 mb | Tropical storm |
| Apr 18, 00:00 | 9.7S 124.2E | 30 kt | 1000 mb | Tropical depression |
| Apr 18, 06:00 | 9.6S 123.8E | 25 kt | 1004 mb | Tropical depression |
Other South Indian storms of 2011
- Unnamed tropical stormSouth Indian · 2011
- Tropical Storm AnggrekSouth Indian · 2011
- Cyclone AbeleSouth Indian · 2011
- Unnamed tropical depressionSouth Indian · 2011
- Unnamed tropical depressionSouth Indian · 2011
- Tropical Storm VinceSouth Indian · 2011
- Cyclone BiancaSouth Indian · 2011
- Cyclone BingizaSouth Indian · 2011
- Unnamed tropical stormSouth Indian · 2011
- Cyclone CarlosSouth Indian · 2011
- Cyclone DianneSouth Indian · 2011
- Tropical Storm CheronoSouth Indian · 2011
- Unnamed tropical stormSouth Indian · 2011
- Unnamed tropical stormSouth Indian · 2011
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.