Typhoon Della (1949)
| Category 3 typhoon (SSHWS) | |
 Damaged by Typhoon Della | |
| Formed | June 16 |
|---|---|
| Dissipated | June 22 |
| Highest winds | 1-minute sustained: 185 km/h (115 mph) |
| Lowest pressure | 952 hPa (mbar); 28.11 inHg |
| Fatalities | 252 dead [1] 216 missing [2] |
| Areas affected | Japan |
| Part of the 1949 Pacific typhoon season | |
Typhoon Della was a typhoon that brought heavy damages to Japan in June 1949.[3] Della caused particularly heavy damage to Kagoshima Prefecture.[1]
Meteorological history
Tropical storm (39–73 mph, 63–118 km/h)
Category 1 (74–95 mph, 119–153 km/h)
Category 2 (96–110 mph, 154–177 km/h)
Category 3 (111–129 mph, 178–208 km/h)
Category 4 (130–156 mph, 209–251 km/h)
Category 5 (≥157 mph, ≥252 km/h)
Unknown
Extratropical cyclone / Remnant low / Tropical disturbance / Monsoon depressionDella began as an easterly wave and can be traced as far east as Truk with consistence. Kwajalein shows the passage also, but its track to Truk is indistinct. The eventual track was substantiated by data at Guam and Yap with intensification evident near 15 N and 127 E, seven days after the easterly wave passage at Truk. A surge of moist unstable air from the south was considered as the primary factor in intensification. A parabolic path was followed, with the eye passing over Okinawa. Contrary to climatological data, Della pursued a path across Kyishi rather than the conventional movement along the polar trough to the south of Japan. Della moved into the Sea of Japan and became extratropical four days after it was detected as a typhoon.[4]
References
- ^ a b "デラ台風とは" (in Japanese). Kotobank. Retrieved 2022-10-10.
- ^ デラ台風 - 気象庁
- ^ "デラ台風（1949年6月20日）" (in Japanese). 災害カレンダー. Retrieved 2022-10-10.
- ^ Air Weather Service. Report on the Typhoon Post Analysis Program (1948-1949) of the North Pacific Typhoon Warning Service (PDF) (AWS Technical Report: 105-43). United States Airforce. p. 44. Archived from the original (PDF) on July 15, 2015. Retrieved April 26, 2015.
See also
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