The SummaryTyphoon Della (international code 197811) is a 1978 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 23m/s, minimum central pressure 985hPa, not in China Landfall, 1978-08-13 was numbered off, recorded 15 track points.
Typhoon Della, international code 197811, international name DELLA, 1978 Northwest Pacific typhoon. Formed: 1978-08-10 00:00:00, ended: 1978-08-13 12:00:00. Peak intensity: Tropical Storm, minimum central pressure: 985 hPa, max wind: 23m/s.
Typhoon Della at 1978-08-10 00:00:00 at 12.7°N, 128.8°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Tropical Storm intensity with max winds of 23 m/s (~83 km/h) and a minimum central pressure of 985hPa, recorded at 1978-08-12 12:00:00.
1978-08-13 12:00:00 After, Typhoon Della gradually weakened and was numbered off on 1978-08-13 12:00:00 was numbered off; its lifecycle recorded 15 track points.
Typhoon Della (197811) has a short life history, from formed to dispersed for about 3.5 days. Its overall path shows a stable NW toward MovingTrend, with no apparent turn toward or stagnation phenomenon.Initial phase (August 10 00:00 to 12:00) , system position at Philippines at E surface (12.7°N, 128.8°E near) , main toward NNW direction slow Moving.
During the period from August 11 to August 12, Typhoonined a relatively consistent shift speed and direction, with latitudes pushing from 16.3°N rapidly to 22.4°N, and length from 128.7°EW to 123.4°E. It is worth noting that when the system crossed the Strait by E, the path line was higher, with no noticeable oscillation. until the end of life (August 13) , with the latitude rising to 25.3°N, the system continued toward NW direction deeper into the W side of the sea area of the Taiwan Strait, eventually weakening dispersion near Fujiancoastal.
In terms of Intensity, Della belongs to the weaker heat cycling system. Its initial Intensity is Nameless (10m/s) ,ining a low pressure level for up to two days of Time, wind speed fluctuates only between 10-15m/s. Until August 12, 06:00, when Center moved to 21.5°N, 124.3°E, the system was only enhanced to Tropical Storm, max wind to 20m/s. Then quickly reached peak intensity 23m/s, andined about 18h. After August 13, 06:00, with system N, wind speed began to fall back, until disintegration has weakened into 12m/s. By the lack of air pressure data, only on the basis of wind speed can judge its structure loose, the enhancement process slow and low peak value.
Historical records show that the 'Della' in 1963, 1968, 1971 and 1974 respectively reached the levels of Super Typhoon, Super Typhoon, Typhoon and Severe Typhoon.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1978-08-10 00:00:00 | 12.7°N | 128.8°E | Nameless | 10 | 1004 | |
| 1978-08-10 06:00:00 | 13.8°N | 129.5°E | Nameless | 10 | 1004 | |
| 1978-08-10 12:00:00 | 14.8°N | 129.7°E | Nameless | 12 | 1004 | |
| 1978-08-10 18:00:00 | 15.5°N | 129.4°E | Nameless | 12 | 1004 | |
| 1978-08-11 00:00:00 | 16.3°N | 128.7°E | Nameless | 15 | 1002 | |
| 1978-08-11 06:00:00 | 17.3°N | 127.8°E | Nameless | 15 | 1000 | |
| 1978-08-11 12:00:00 | 18.3°N | 126.9°E | Nameless | 15 | 1000 | |
| 1978-08-11 18:00:00 | 19.6°N | 126.1°E | Nameless | 15 | 998 | |
| 1978-08-12 00:00:00 | 20.7°N | 125.2°E | Nameless | 17 | 998 | |
| 1978-08-12 06:00:00 | 21.5°N | 124.3°E | Tropical Storm | 20 | 992 | |
| 1978-08-12 12:00:00 | 22.4°N | 123.4°E | Tropical Storm | 23 | 990 | |
| 1978-08-12 18:00:00 | 23.2°N | 122.7°E | Tropical Storm | 23 | 985 | |
| 1978-08-13 00:00:00 | 24.1°N | 122°E | Tropical Storm | 23 | 985 | |
| 1978-08-13 06:00:00 | 24.8°N | 120.7°E | Tropical Storm | 20 | 996 | |
| 1978-08-13 12:00:00 | 25.3°N | 118.8°E | Nameless | 12 | 1000 |
Typhoon Della's international code is 197811, is the 1978 number 11 Typhoon, international name DELLA.
Typhoon Della peak intensity is Tropical Storm, max wind 23m/s, minimum central pressure 985 hPa.
According to records, Typhoon Della is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Della's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197811.
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