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Extremely Severe Cyclonic Storm BOB 05

Extremely severe cyclonic storm (IMD scale)
Category 3 tropical cyclone (SSHWS)
Extremely Severe Cyclonic Storm BOB 05 at peak intensity.
Formed	November 26, 2000
Dissipated	November 30, 2000
Highest winds	3-minute sustained: 190 km/h (115 mph) 1-minute sustained: 205 km/h (125 mph)
Lowest pressure	958 hPa (mbar); 28.29 inHg
Fatalities	12 total
Damage	₹700 million rupees (US$15 million)
Part of the 2000 North Indian Ocean cyclone season

Extremely Severe Cyclonic Storm BOB 05 was the strongest, most intense Tropical Cyclone of the fairly quiet 2000 North Indian Ocean cyclone season. The fifth cyclone, and the fourth named storm, Extremely Severe Cyclonic Storm BOB 05 started as an upper-level low over the Andaman Sea on November 24. On early November 26, the group of thunderstorms was classified as a depression by the IMD. The system slowly began to organize, and late on November 26 the JTWC named it as Tropical Cyclone 03B. By November 28, a 20 km (12 mi) wide eye was developing, prompting the JTWC to upgrade the storm to the equivalent of a minimal hurricane with winds of 120 km/h (75 mph). By comparison, the IMD estimated peak winds of 190 km/h (115 mph). Wind shear in the region prevented further strengthening, and the storm weakened slightly before making landfall on November 29 in eastern India near Cuddalore. A station there recorded a pressure of 983 mbar (29.0 inHg). The storm rapidly weakened over land, and degenerated into a remnant low on November 30. The remnants emerged into the eastern Arabian Sea on December 1, by which time most thunderstorms had dissipated over the deteriorating center. Two days later, the JTWC reissued advisories, based on an increase in outflow and convective organization. This was short-lived, as the thunderstorms soon dwindled, and the JTWC ceased issuing advisories on December 5. The remnants continued westward without development toward eastern Somalia.

As many as 12 people died from the storm. and the storm damage was ₹700 million rupees (US $15 million).

Meteorological History

An upper-level low persisted over the Andaman Sea on November 24. By the next day, a circulation center was present about 370 km (230 mi) west of Thailand, although convection was dislocated to the west due to wind shear After the thunderstorms concentrated over the center early on November 26, the IMD classified the system as a depression. A ridge to the north steered the system generally westward. Outflow and convective organization gradually increased, and late on November 26 the JTWC classified it as Tropical Cyclone 03B. As the rainbands organized around the center, the winds increased; the IMD upgraded the system to a cyclonic storm on November 27, and to a severe and later a very severe cyclonic storm on November 28.

By November 28, a 20 km (12 mi) wide eye was developing, prompting the JTWC to upgrade the storm to the equivalent of a minimal hurricane with winds of 120 km/h (75 mph). By comparison, the IMD estimated peak 3-min sustained winds of 190 km/h (115 mph), and 1-min sustained winds of 125 mph. Wind shear in the region prevented further strengthening, and the storm weakened slightly before making landfall on November 29 in eastern India near Cuddalore. A station there recorded a pressure of 983 mbar (29.0 inHg). The storm rapidly weakened over land, and degenerated into a remnant low on November 30. The remnants emerged into the eastern Arabian Sea on December 1, by which time most thunderstorms had dissipated over the deteriorating center. Two days later, the JTWC reissued advisories, based on an increase in outflow and convective organization. This was short-lived, as the thunderstorms soon dwindled, and the JTWC ceased issuing advisories on December 5. The remnants continued westward without development toward eastern Somalia.

Impact

Tamil Nadu

The strongest storm of the season struck Tamil Nadu in November, causing damages of ₹700 million rupees (US$15 million) and 12 deaths The main loss was crop damage, uprooting of big trees, and damage to houses. About one thousand Kutcha houses and 14 brick houses were damaged due to strong winds. 10 people lost their lives due to wall/building collapse, and/or electrocution. Over 30000 trees were uprooted in the Cuddalore district, and 1000+ electric poles were downed. Four transformers were also damaged. In the Cuddalore district alone, the damages was 20 Indian crores (2,702,136 USD). In the whole state, the roofs of 1000 houses were blown off, 14 houses were washed away, and 300 houses were washed away. Sugarcane in 100 acres, 30000 Plantain trees, and 50,000 plantain saplings were also destroyed.

Pondicherry

Damages to paddy crops, plantains and cocunut plantations were the major loss. About 40,000 Kutcha houses were partially damaged due to the strong winds, and 2 people lost their lives. 50 Indian crores ($6,801,865 USD) was said to be the damage.

See also

• 2000 Sri Lanka Cyclone - The next tropical cyclone in the season that took a similar path.
• Cyclonic Storm Fanoos - A Cyclonic Storm that took a similar path.

References

1. http://www.rsmcnewdelhi.imd.gov.in/images/pdf/archive/rsmc/2000.pdf
2. http://australiasevereweather.com/cyclones/2001/summ0011.htm
3. "Best Tracks Data(1982-2020)". rsmcnewdelhi.imd.gov.in. Retrieved 2020-12-22.{{cite web}}: CS1 maint: url-status (link)
4. "best track data 2000". metoc.navy.mil. Retrieved 2020-12-22.{{cite web}}: CS1 maint: url-status (link)
5. https://en.wikipedia.org/2000_North_Indian_Ocean_cyclone_season
6. http://www.rsmcnewdelhi.imd.gov.in/images/pdf/archive/rsmc/2000.pdf
7. http://www.rsmcnewdelhi.imd.gov.in/images/pdf/archive/rsmc/2000.pdf

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