Typhoon Bobbie

Last updated
Map key
  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
Disc Plain black.svg Tropical cyclone
Solid black.svg Subtropical cyclone
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On 20 June, a poorly organized area of convection south of Guam near the central Caroline Islands began developing. Embedded in the monsoon trough, the disturbance's circulation began consolidating, prompting the Joint Typhoon Warning Center (JTWC), an American military organization, to issue a Tropical Cyclone Formation Alert (TCFA) on the disturbance. [2] As a result, on 23 June, the Japan Meteorological Agency (JMA) noted that the disturbance had developed into a tropical depression. [3] [2] Around that time, the JTWC also upgraded the disturbance into a depression, issuing their first warning on Tropical Depression 02W later that day. [2] Intensifying, early on 24 June, both the JTWC and JMA noted Bobbie intensified into a tropical storm, causing the latter agency to name it Bobbie. [2] [3]

Just a few hours later, Bobbie began undergoing a binary interaction with nearby Tropical Storm Chuck, which at the time, just formed off the Philippines. [2] As Bobbie was intensifying, it crossed into the Philippine Area of Responsibility (PAR), prompting the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGSA) to name it Asiang. [1] Early the next day, Bobbie intensified into a severe tropical storm. [2] At that time, the JTWC claimed that Bobbie had intensified into a typhoon, [2] while the JMA noted that Bobbie had actually became a typhoon several hours later. [3] On 18:00 UTC on 26 June, Bobbie peaked with 1-minute sustained winds of 140 mph (220 km/h) as it tracked the western extent of the mid-level subtropical ridge. [2] Several hours later, Bobbie peaked with 10-minute sustained winds of 105 mph (165 km/h). [3]

As Bobbie began recurving east of Taiwan at 12:00 UTC that day, increasing southwesterly winds caused Bobbie to steadily weaken. Passing over Miyako Jima on 28 June and then just southeast of Okinawa on 29 June, Bobbie began undergoing an extratropical transition on at that time. [2] At that time, Bobbie weakened into a severe tropical storm as it left the PAR, causing PAGASA to stop issuing advisories on the storm. [1] As Bobbie transitioned into an extratropical storm, the JTWC issued their final warning on the system the next day, prior to brushing the southern tip of Honshu. [2] The JMA noted that Bobbie had actually became extratropical early the next day, prior to it dissipating on 3 July. [3]

Preparations

Public Storm Warning Signals were issued for portions of Northern Luzon, with PSWS #3 being hoisted for Cagayan and Batanes. [4] In Botolan, a town near Mount Pinatubo, officials warned residents to evacuate to higher ground due to the threat of rain-triggered mudflows. Initially, a warning to evacuate for people living near the Sacobia river was issued, however, soon after, this was upgraded, as thousands of residents living along the banks of the Sacobia, Pasig-Portrero, and Santo Tomas rivers, were on alert to evacuate. [5]

In Okinawa Island, schools were closed and bus service was cancelled prior to Bobbie making landfall there. [6] Elsewhere, in Sasebo, many scheduled hockey and soccer matches were cancelled. [7]

Impact

Japan

In Japan, Bobbie primarily brought severe rainfall, causing the prefectures of Okinawa, Miyazaki, Kagoshima, Tokyo, Gifu, and Fukui to receive heavy rainfall. Yakushima received 178 mm (7.0 in) in a day, while Uchinoura and portions of Tokyo receiving over 100 mm (3.9 in) of rainfall daily. In Miyazaki Prefecture, Bobbie alongside a frontal zone caused several mudslides. [8] Over 43,000 households lost power in Okinawa as the eye of Bobbie passed south of Okinawa Island on 29 June. [9] In Hachijō-jima, strong waves shattered the windows at an elementary school. [10] Elsewhere, in Miyakojima, 126 telephone lines were out of service while 11,500 households were without power. [11]

A building in Ishigaki island was destroyed due to Bobbie's strong winds, which also caused considerable damage to agriculture, forestry, and fisheries, transportation, and electricity. In there. These caused around ¥2.54 billion ($20 million) in damage. [9] [12] Additionally, in the same island, two homes suffered some damage while there were severe damage to agriculture. As a result, an additional ¥172.61 million ($1.36 million) in damage occurred. [13] [12] In Hachijō-jima and the Northern Izu Archipelago dialects, an estimated ¥44.2 million ($347 thousand) in damage occurred due to damage to farm roads. [10] [12] Elsewhere, ¥695.71 million ($5.49 million) in damage occurred. [11] [12]

Elsewhere

Bobbie would primarily bring beneficial rainfall to Luzon, as mostly light showers had persevered over the region. [14] However, combined with the effects of nearby Chuck, heavy rainfall would produce mudflows pouring down the Bucao, Balinquero and Maraunot rivers, causing them to rise up 6 ft (1.8 m). The rains loosened many tons of debris which were produced by Pinatubo in a prior eruption, sending them pouring down river channels to impact villages around the volcano. [5] In Santa Rita, a town in Pampanga province, 80 people evacuated after lahar thundered down the Pasig-Portrero river. [4] In Manila, 23 homes were destroyed while 2 people went missing as Bobbie impacted Luzon. [15] Finally, in Sabah, a state in Malaysia, Chuck alongside Bobbie damaged more than 100 homes. [16]

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<span class="mw-page-title-main">Tropical Storm Luke</span> Pacific tropical storm in 1991

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<span class="mw-page-title-main">Typhoon Gene</span> Pacific typhoon in 1990


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<span class="mw-page-title-main">Typhoon Page</span> Pacific typhoon in 1990

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<span class="mw-page-title-main">Tropical Storm Gladys (1991)</span> Pacific tropical storm in 1991

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<span class="mw-page-title-main">Typhoon Kinna</span> Pacific typhoon in 1991

Typhoon Kinna, known in the Philippines as Typhoon Neneng, was a mid-season typhoon that struck Japan during 1991. An area of disturbed weather formed within the Western Pacific monsoon trough during early September 1991. The disturbance was upgraded into a tropical depression on September 10 after an increase in organization. Tracking northwest due to a weak subtropical ridge to its north, the depression strengthened into a tropical storm at 00:00 UTC on September 11. Later that day, Kinna was upgraded into a severe tropical storm. Following the development of a poorly defined eye, Kinna was upgraded into a typhoon on September 12. The cyclone turned north in response to a trough and passed through Okinawa as a minimal typhoon. Typhoon Kinna obtained peak intensity on September 13, but thereafter, Kinna accelerated north-northeastward toward Kyushu, passing over the island that day at peak intensity. Typhoon Kinna rapidly transitioned into an extratropical low as it tracked along the northern coast of Honshu. Its extratropical remnants were last noted on the evening of September 16.

<span class="mw-page-title-main">Typhoon Janis</span> Pacific typhoon in 1992

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<span class="mw-page-title-main">Typhoon Kent (1992)</span> Pacific typhoon in 1992

Typhoon Kent was a strong mid-season typhoon that struck southern Japan during August 1992. An area of convection developed east of the International Date Line. Tracking west-northwestward, a tropical depression developed on August 5, and the next day, intensified into a tropical storm. On August 8, increased vertical wind shear caused convection to decrease, although Kent strengthened into a typhoon on the next day. An eye then appeared as conditions aloft became more conducive, and on August 11, Kent attained its peak intensity. Under the influence of a subtropical ridge located to its north, the typhoon initially continued to move west-northwestward before turning towards Kyushu. The storm steadily weakened prior to making landfall on August 18 just below typhoon intensity. The mountainous terrain of Japan accelerated the weakening trend, and on August 20, Kent dissipated.

<span class="mw-page-title-main">Tropical Storm Percy (1993)</span>

Tropical Storm Percy, known in the Philippines as Tropical Storm Miling, was an early-season tropical cyclone that passed through Japan during July 1993. An area of disturbed weather developed in the Philippine Sea on July 26. Gradual development ensued and on July 27, the disturbance was classified as a tropical depression. The following morning, the depression was upgraded into Tropical Storm Percy. Moving north-northwest, Percy slowly deepened and obtained its peak intensity of 115 km/h (70 mph) and a minimum barometric pressure of 975 mbar (28.79 inHg). Late on July 29, Percy passed over Kyushu and began to weaken. Percy was downgraded to a tropical depression on July 30 and dissipated completely two days later.

<span class="mw-page-title-main">Typhoon Robyn</span> Pacific typhoon in 1993

Typhoon Robyn, known in the Philippines as Typhoon Openg, was a mid-season tropical cyclone that brushed Japan during August 1993. Typhoon Robyn originated from a near equatorial monsoon trough in the eastern Caroline Islands in late July. Tracking west-northwest, a tropical depression developed on August 1, and became a tropical storm the next day. Following an increase in organization, Robyn obtained typhoon intensity on August 5. The typhoon briefly tracked west before veering to the northwest while intensifying. On August 7, Robyn attained its peak intensity of 160 km/h (99 mph), with a barometric pressure of 940 mbar (28 inHg). After passing through the Ryukyu Islands, Robyn skirted past western Kyushu on August 9 while steadily weakening. Midday on August 10, Robyn lost typhoon intensity over the Sea of Japan. The next day, the system was declared an extratropical cyclone.

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Typhoon Bobbie (Asiang)
Bobbie Jun 26 1992 2325Z.png
Bobby near peak intensity on June 26