Typhoon Rex
Typhoon (JMA scale)
Category 4 typhoon (SSHWS)
FormedAugust 23, 1998
DissipatedSeptember 6, 1998
Highest winds10-minute sustained: 140 km/h (85 mph)
1-minute sustained: 215 km/h (130 mph)
Lowest pressure955 hPa (mbar); 28.2 inHg
Fatalities25 total [1]
Areas affectedJapan
Part of the 1998 Pacific typhoon season

Typhoon Rex, known in the Philippines as Typhoon Deling, was the 4th named storm in 1998 Pacific typhoon season, and it approached Japan in late August.[2] Rex did not made landfall in Japan (It stayed out at sea east of Japan), but 22 people were killed in heavy rains in some parts of Japan due to the weather front and Rex.[3]

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  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
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

An active Tropical Upper Tropospheric Trough allowed for the development of Tropical Depression 6W on August 22, east of Luzon. It moved westward initially, but as the trough weakened a ridge to the east, it moved northeastward where it became a tropical storm on the 23rd. Rex slowly intensified to become a typhoon on the 26th, followed by reaching a peak of 135 mph (217 km/h) winds on the 28th south of Japan. As it moved northward, it brought heavy flooding to Honshū, Japan, amounting to 13 deaths and moderate damage from mudslides across the island. Another trough pulled the storm eastward, saving Japan from a direct hit, and Rex continued northeastward to an unusually high latitude near 50°, when it became extratropical on the 9th near the Aleutian Islands, east of the International Date Line.

Impact

Due to heavy rains caused the weather front and Rex, 25 people were killed, 486 houses were destroyed, 13,927 houses were inundated in Japan.[1] In Tochigi and Fukushima prefectures, experienced particularly heavy rains, with daily precipitation exceeded 600mm in Nasu (August 27).[3][4]

References

  1. 1 2 "Digital Typhoon: Typhoon 199804 (REX) - Disaster Information". agora.ex.nii.ac.jp. Retrieved 2023-01-12.
  2. ↑ "台風経路図 1998年". www.data.jma.go.jp. 気象庁. Retrieved 2022-12-09.
  3. 1 2 "前線・台風第4号 (1998年)". www.data.jma.go.jp. 気象庁. Retrieved 2022-12-09.
  4. ↑ "北関東・南東北豪雨 (1998年8月27日)" (in Japanese). 災害カレンダー. Retrieved 2022-12-09.
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