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Season summary

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Deep Depression ARB 01

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Deep depression (IMD)
Tropical storm (SSHWS)
 
DurationJanuary 13 – January 14
Peak intensity55 km/h (35 mph) (3-min);
1004 hPa (mbar)

On January 13, an area of convection organized into Tropical Cyclone 01A to the southwest of the southern tip of India. Shortly after forming, conditions quickly became unfavorable, and the storm dissipated on January 14 over open waters.

Very Severe Cyclonic Storm Mala

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Extremely severe cyclonic storm (IMD)
Category 4 tropical cyclone (SSHWS)
 
DurationApril 25 – April 29
Peak intensity185 km/h (115 mph) (3-min);
954 hPa (mbar)

An area of disturbed weather developed into Tropical Cyclone 02B on April 24 in the central Bay of Bengal. It later intensified into Cyclonic Storm Mala on April 25. Convection steadily increased, and under a favorable environment, the storm attained very severe cyclone strength, the equivalent to a Category 1 hurricane on the Saffir-Simpson hurricane scale, on the 27th. It accelerated to the northeast, and intensified rapidly into an equivalent Category 4 cyclone on the Saffir-Simpson scale with wind speeds of over 185 km/h (115 mph) on the 28th, its peak intensity. It quickly weakened after peaking, made landfall on the 29th, and quickly dissipated over Myanmar.

Prior to making landfall, the cyclone lashed the western Myanmar coastline with powerful waves. Upon hitting the country, Mala caused severe structural damage. The area hardest hit was just outside of Yangon, with the strong winds damaging 150 buildings. The cyclone also downed numerous power lines, leaving many without electricity. [1] Mala dropped heavy rainfall throughout Myanmar, stopping drains in Yangon and causing flooding of up to 1 meter (3.28 ft) in depth. [2] The cyclone killed at least 22 people during its onslaught.

Cyclone Mala was the third intense cyclone to form in April; the other two were in 1991 and in 1994. Coincidentally, Cyclone Mala and the cyclones in 1991 and 1994 were all numbered as "02B", they are the only cyclones ever to form in April, and all of them made very destructive landfalls on the Asian mainland. [3]

Deep Depression BOB 02

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Deep depression (IMD)
Tropical storm (SSHWS)
 
DurationJuly 2 – July 5
Peak intensity55 km/h (35 mph) (3-min);
982 hPa (mbar)

An area of disturbed weather formed near the coastline of eastern India on around June 30, 2006. It slowly developed until it was classified as a tropical cyclone on July 2 by the Joint Typhoon Warning Center. The system made landfall in Orissa between Paradip and Chandbali at around 2030 IST on July 2 and dissipated over land two days later.

Deep Depression BOB 03

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Deep depression (IMD)
 
DurationAugust 2 – August 5
Peak intensity55 km/h (35 mph) (3-min);
986 hPa (mbar)

Depression BOB 04

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Depression (IMD)
 
DurationAugust 12 – August 13
Peak intensity45 km/h (30 mph) (3-min);
992 hPa (mbar)

Existed between August 12 and August 13, with MSW of 25 knots and pressure of 992 mb.

Depression BOB 05

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Depression (IMD)
 
DurationAugust 16 – August 18
Peak intensity45 km/h (30 mph) (3-min);
988 hPa (mbar)

Existed between August 16 and August 18, with MSW of 25 knots and pressure of 988 mb.

Depression BOB 06

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Depression (IMD)
 
DurationAugust 29 – September 1
Peak intensity45 km/h (30 mph) (3-min);
990 hPa (mbar)

Existed between August 29 and September 1, with MSW of 25 knots and pressure of 990 mb.

Depression BOB 07

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Depression (IMD)
 
DurationSeptember 3 – September 4
Peak intensity45 km/h (30 mph) (3-min);
992 hPa (mbar)

Existed between September 3 and September 4, with MSW of 25 knots and pressure of 992 mb.

Severe Cyclonic Storm Mukda

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Severe cyclonic storm (IMD)
Tropical storm (SSHWS)
 
DurationSeptember 21 – September 24
Peak intensity100 km/h (65 mph) (3-min);
988 hPa (mbar)

An area of disturbed weather in the Arabian Sea was classified as Tropical Cyclone 04A by the Joint Typhoon Warning Center on September 21. The India Meteorological Department began monitoring the system as a deep depression later that day, and designated it Cyclonic Storm Mukda early on September 22. Mukda slowly and erratically meandered to the northeast and intensified into a severe cyclonic storm later that day. On September 24, Mukda weakened into a depression under increasing wind shear. The remnant circulation lingered for four more days before dissipating on September 28. Mukda was never forecast to make landfall.

Depression BOB 08

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Depression (IMD)
 
DurationSeptember 21 – September 24
Peak intensity45 km/h (30 mph) (3-min);
996 hPa (mbar)

The India Meteorological Department upgraded a well-marked low pressure area near Jamshedpur, India to a land depression with minimum pressure 996hPa and maximum sustained winds of 25 knots (46 km/h) on September 21.[4] The United States Naval Research Laboratory previously monitored the system as an area of interest before it moved inland near the border of India and Bangladesh. The depression degenerated into a low pressure area on September 24 and dissipated later that day. Torrential downpours caused flooding that killed more than 170 people and left around 375,000 homeless in eastern India and Bangladesh. [5]

Depression BOB 09

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Depression (IMD)
Tropical storm (SSHWS)
 
DurationSeptember 28 – September 30
Peak intensity45 km/h (30 mph) (3-min);
1002 hPa (mbar)

Tropical Cyclone 05B formed on September 28 approximately 250 nautical miles (460 km) south of Kolkata, India. It made landfall on September 29 near Brahampur, India before dissipating overland.

Cyclonic Storm Ogni

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Cyclonic storm (IMD)
Tropical storm (SSHWS)
 
DurationOctober 29 – October 30
Peak intensity65 km/h (40 mph) (3-min);
988 hPa (mbar)

On October 29, a deep depression that had formed in the past day off the coast of Andhra Pradesh strengthened and was named Ogni, a name contributed by Bangladesh. It weakened back into a deep depression on October 30 and made landfall near Bapatla at around 1300 IST (0730 UTC). The system was numbered as TC 06B in JTWC post-analysis.[6]

At least 35 people were killed by record rainfalls which exceeded 900 mm (35.4 in) in localized areas.[7]

  1. ^ [1][dead link]
  2. ^ [2][dead link]
  3. ^ Monthly Global Tropical Cyclone Summary April 2006
  4. ^ http://www.wmo.ch/pages/prog/www/tcp/documents/PTC34_final_report.pdf
  5. ^ http://www.alertnet.org/thenews/newsdesk/SP274491.htm
  6. ^ TROPICAL CYCLONE (TC) 06B
  7. ^ M M Nayak (2007). "Cyclone Ogni". Andhra Pradesh Disaster Management. Retrieved April 15, 2009.