The SummaryTyphoon Dinah (international code 197106) was a 1971 Northwest Pacific Typhoon, peak intensity Severe Typhoon°E, max wind 46m/s, minimum Pressure-hPa, not in China Landfall, 1971-05-30 was numbered off, recording 21 track points.
Typhoon Dinah, international code 197106, international name DINAH, 1971年Northwest PacificTyphoon . formedTime: 1971-05-25 06:00:00, 结束Time: 1971-05-30 06:00:00. peak intensity: Severe Typhoon, 最低Pressure: - hPa, max wind : 46m/s.
Typhoon Dinah at 1971-05-25 06:00:00 at 12.1°, lng 129.2° over the Northwest Pacific; initial intensity: Severe Tropical Storm.
It peaked at Severe Typhoon intensity with max winds of 46 m/s (~166 km/h) and a minimum central pressure of -hPa, recorded at 1971-05-25 18:00:00.
1971-05-30 06:00:00 After, Typhoon Dinah gradually weakened and was numbered off on 1971-05-30 06:00:00 was numbered off; its lifecycle recorded 21 track points.
Typhoon Dinah (197106)'s life began at the Northwest Pacific Ocean, presenting a stable NW toward MovingTrend. From the formed early 12.1°N, 129.2°E to the 21.9°N, 108.5°E before disintegration, its latitude continued to rise N, length significant W shift, no apparent path turn or stagnation. During May 25 to 26, the system at a relatively fast speed toward WN direction crossed the Philippine to E ocean, then Go to S SeaN. Thro the process, the Typhoon center remained always above the ocean, according to observations showing no Landfall behavior. This long-distance offshore Moving path allowed the system to maintain a relatively complete structure, until it gradually weakened when it approached the Middle Scoastal
The Typhoon's Intensity change has a typical 'fast enhancement-volatility maintenance- gradual decline' characteristic. In the formed within 12h°E, max wind rapidly increased from 28m/s to 35m/s, and at May 25 at 18:00 reached peak intensity, at this time for Severe Typhoon intensity with max winds of recorded 46m/s. It is worth noting that after reaching the peak, the system did not immediately significantly weaken, but in the subsequent 48h experienced a significant Intensity fluctuation: wind speed first dropped to 28m/s (Severe Tropical Storm), but at May 27 at 12:00 again rebounded to 41m/s (Typhoon ). This second reinforcement phenomenon suggests that the environment could have a short-term power
In 1971, Dinah's peak intensity was Severe Typhoon (46m/s), while in 1980 Dinah (198022) and in 1987 Dinah (198711) both reached Super Typhoon level, wherein the minimum air pressure in 1987 was lower than 915hPa, showing extremely strong destruction potential.In comparison, Dinah's peak intensity in 1974 (197406) and Dinah's peak intensity in 1977 was only Typhoon level (response to air pressure 965hPa).
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1971-05-25 06:00:00 | 12.1°N | 129.2°E | Severe Tropical Storm | 28 | - | |
| 1971-05-25 12:00:00 | 12.1°N | 127.6°E | Typhoon | 35 | - | |
| 1971-05-25 18:00:00 | 12.2°N | 126.4°E | Severe Typhoon | 46 | - | |
| 1971-05-26 00:00:00 | 12.5°N | 125.2°E | Severe Typhoon | 43 | - | |
| 1971-05-26 06:00:00 | 13.2°N | 123.5°E | Typhoon | 41 | - | |
| 1971-05-26 12:00:00 | 13.6°N | 122°E | Typhoon | 38 | - | |
| 1971-05-26 18:00:00 | 13.8°N | 120.6°E | Typhoon | 33 | - | |
| 1971-05-27 00:00:00 | 14.2°N | 119.2°E | Severe Tropical Storm | 28 | - | |
| 1971-05-27 06:00:00 | 14.8°N | 117.9°E | Severe Tropical Storm | 30 | - | |
| 1971-05-27 12:00:00 | 15.8°N | 116.7°E | Typhoon | 41 | - | |
| 1971-05-27 18:00:00 | 16.5°N | 115.2°E | Typhoon | 35 | - | |
| 1971-05-28 00:00:00 | 17.2°N | 114.1°E | Typhoon | 33 | - | |
| 1971-05-28 06:00:00 | 17.7°N | 113.1°E | Severe Tropical Storm | 30 | - | |
| 1971-05-28 12:00:00 | 18.1°N | 112.4°E | Severe Tropical Storm | 28 | - | |
| 1971-05-28 18:00:00 | 18.5°N | 111.6°E | Severe Tropical Storm | 25 | - | |
| 1971-05-29 00:00:00 | 18.9°N | 110.9°E | Tropical Storm | 23 | - | |
| 1971-05-29 06:00:00 | 19.4°N | 110.3°E | Tropical Storm | 20 | - | |
| 1971-05-29 12:00:00 | 19.9°N | 109.6°E | Nameless | 17 | - | |
| 1971-05-29 18:00:00 | 20.5°N | 109.1°E | Nameless | 17 | - | |
| 1971-05-30 00:00:00 | 21.2°N | 108.8°E | Nameless | 17 | - | |
| 1971-05-30 06:00:00 | 21.9°N | 108.5°E | Nameless | 17 | - |
The international code for Typhoon Dinah is 197106, which is the 6th Typhoon of 1971, the international name DINAH.
Typhoon Dinahpeak intensity is Severe Typhoon°E, max wind 46m/s, minimum Pressure-hPa.
According to records, Typhoon Dinah is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Dinah's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197106.
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