[Quick Archive Overview]Typhoon ROY (CMAcode19849004, not included in that year's code sequence) was a 1984 Northwest Pacific typhoon. Its peak intensity was tropical storm, with maximum winds of 20 m/s and a minimum central pressure of 996 hPa. It did not make landfall in China and was stopped from being numbered on 1984-10-13. Its complete track comprised 11 recorded points.
Code explanation: 19849004 is the CMA's internal code. This tropical cyclone appears in the China Meteorological Administration's best-track dataset but was not included in the 1984 code sequence, so it does not occupy an annual sequence number.
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.
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Full track review of Typhoon ROY
Typhoon ROY at 1984-10-10 20:00 at 11.3°N, 143.6°E over the Northwest Pacific; initial intensity: Tropical Depression.
It peaked at Tropical Storm intensity with max winds of 20 m/s (~72 km/h) and a minimum central pressure of 996hPa, recorded at 1984-10-11 20:00.
After 1984-10-13 08:00, Typhoon ROY gradually weakened and was numbered off at 08:00 on 1984-10-13. Its lifecycle recorded 11 track points.
Typhoon ROY track data table
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 10-10 20:00 | 11.3°N
143.6°E | Tropical Depression | 9 m/s
1006 hPa | - |
| 10-11 02:00 | 12°N
143.6°E | Tropical Depression | 10 m/s
1004 hPa | N |
| 10-11 08:00 | 12.7°N
143.4°E | Tropical Depression | 12 m/s
1002 hPa | NNW |
| 10-11 14:00 | 13.5°N
143.1°E | Tropical Depression | 15 m/s
999 hPa | NNW |
| 10-11 20:00 | 14.3°N
143.1°E | Tropical Storm | 20 m/s
998 hPa | N |
| 10-12 02:00 | 14.9°N
143.2°E | Tropical Storm | 20 m/s
998 hPa | N |
| 10-12 08:00 | 15.4°N
143.3°E | Tropical Storm | 20 m/s
998 hPa | N |
| 10-12 14:00 | 16.3°N
143.5°E | Tropical Storm | 20 m/s
996 hPa | NNE |
| 10-12 20:00 | 17.4°N
143.7°E | Tropical Depression | 15 m/s
998 hPa | N |
| 10-13 02:00 | 18.7°N
143.9°E | Tropical Depression | 15 m/s
1000 hPa | N |
| 10-13 08:00 | 20°N
144.5°E | Tropical Depression | 15 m/s
1000 hPa | NNE |
FAQ
Which numbered typhoon of 1984 was Typhoon ROY?
The 19849004 identifier for Typhoon ROY is its internal CMA code. It was not included in the 1984 code sequence, as recorded in the CMA best-track dataset but not coded that year. Its international name was ROY.
Where does the track data for Typhoon ROY come from?
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.
What was the strongest intensity reached by Typhoon ROY?
Typhoon ROY peak intensity is Tropical Storm, max wind 20m/s, minimum central pressure 996 hPa.
Did Typhoon ROY make landfall?
According to historical records, Typhoon ROY did not make landfall on China’s coast.
Where can I view typhoon ROY's live track map?
TyphoonSays (taifengshuo.com) provides the track history map for Typhoon ROY, forecasts from multiple meteorological agencies, wind circle coverage, and intensity trends. Page URL: https://taifengshuo.com/typhoon/19849004.
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