Tropical Storm 21S (1999)
Track & history
Storm history
This system formed in the Southern Hemisphere in February 1999 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h) and a minimum pressure of 994 mb. It did not make landfall. The system was tracked for 6 days.
Track data
Download CSVData source: NOAA NCEI IBTrACS v04r01. IBTrACS v04r01 use constraints.
Gahtan, Jennifer; Knapp, Kenneth R.; Schreck, Carl J. III; Diamond, Howard J.; Kossin, James P.; Kruk, Michael C. (2024). International Best Track Archive for Climate Stewardship (IBTrACS) Project, Version 4.01. NOAA National Centers for Environmental Information. Cite the subset used and access date. IBTrACS v04r01 dataset DOI.
| Time UTC | Position | Strength | Wind | Pressure |
|---|---|---|---|---|
| 1999-02-11 12:00 | 18.4°S 38.4°E | — | — | — |
| 1999-02-11 18:00 | 18.5°S 39.4°E | TD | 30 mph / 45 km/h | 1002 mb |
| 1999-02-12 00:00 | 18.5°S 39.5°E | TD | 30 mph / 45 km/h | 1004 mb |
| 1999-02-12 06:00 | 18.7°S 39.7°E | TD | 30 mph / 45 km/h | 1005 mb |
| 1999-02-12 12:00 | 19.4°S 39.3°E | TD | 25 mph / 35 km/h | 1003 mb |
| 1999-02-12 18:00 | 20.2°S 38.6°E | TD | 30 mph / 45 km/h | 1000 mb |
| 1999-02-13 00:00 | 20.9°S 38.3°E | TD | 35 mph / 55 km/h | 1000 mb |
| 1999-02-13 06:00 | 21.6°S 38.0°E | TD | 35 mph / 55 km/h | 998 mb |
Show all 23 points
| 1999-02-13 12:00 | 22.2°S 37.8°E | TS | 40 mph / 65 km/h | 996 mb |
| 1999-02-13 18:00 | 22.7°S 38.0°E | TS | 45 mph / 75 km/h | 995 mb |
| 1999-02-14 00:00 | 22.9°S 38.6°E | TS | 45 mph / 75 km/h | 994 mb |
| 1999-02-14 06:00 | 22.9°S 39.2°E | TS | 50 mph / 85 km/h | 994 mb |
| 1999-02-14 12:00 | 22.7°S 39.9°E | TS | 45 mph / 75 km/h | 994 mb |
| 1999-02-14 18:00 | 21.9°S 40.6°E | TS | 40 mph / 65 km/h | 995 mb |
| 1999-02-15 00:00 | 20.6°S 40.8°E | TS | 40 mph / 65 km/h | 996 mb |
| 1999-02-15 06:00 | 19.8°S 40.7°E | TD | 35 mph / 55 km/h | 998 mb |
| 1999-02-15 12:00 | 19.3°S 40.3°E | TD | 35 mph / 55 km/h | 1000 mb |
| 1999-02-15 18:00 | 18.7°S 40.0°E | TD | 35 mph / 55 km/h | 1000 mb |
| 1999-02-16 00:00 | 18.3°S 39.5°E | TD | 35 mph / 55 km/h | 1002 mb |
| 1999-02-16 06:00 | 18.4°S 39.1°E | TD | 30 mph / 45 km/h | 1004 mb |
| 1999-02-16 12:00 | 18.6°S 38.7°E | TD | 30 mph / 45 km/h | 1005 mb |
| 1999-02-16 18:00 | 18.8°S 38.1°E | TD | 30 mph / 45 km/h | 1005 mb |
| 1999-02-17 00:00 | 19.2°S 37.5°E | TD | 15 mph / 30 km/h | 1006 mb |
Tropical Storm 21S 1999 FAQ
Did Tropical Storm 21S 1999 make landfall?
No. The best track does not record a landfall for 21S; it stayed over water.
How strong did 21S get in 1999?
21S peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h) and a minimum central pressure of 994 mb.
When did 21S form and dissipate?
21S was first tracked on Feb 11 1999 and last tracked on Feb 17 1999, about 6 days in all.