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May 1997 Bangladesh cyclone

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Title: May 1997 Bangladesh cyclone  
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Subject: Tropical cyclones in Bangladesh, Postage stamps and postal history of Bangladesh, Village Defence Party, Poverty in Bangladesh, Port of Chittagong
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May 1997 Bangladesh cyclone

Very Severe Cyclonic Storm BOB 01
Very severe cyclonic storm (IMD scale)
Category 4 (Saffir–Simpson scale)
The cyclone near peak intensity off the coast of Bangladesh
Formed May 14, 1997
Dissipated May 20, 1997
Highest winds 3-minute sustained: 165 km/h (105 mph)
1-minute sustained: 215 km/h (135 mph)
Lowest pressure 964 mbar (hPa); 28.47 inHg
Fatalities 1,146–1,296 total
Areas affected Bangladesh, Myanmar and India
Part of the 1997 North Indian Ocean cyclone season

The May 1997 Bangladesh cyclone was a powerful storm that caused widespread damage and loss of life throughout Bangladesh. Originating from a near-equatorial trough on May 15, 1997, the cyclone tracked in a general northward direction throughout its existence. The system gradually intensified over the following days, reaching the equivalent of a Category 1 hurricane on the Saffir-Simpson Hurricane Scale by May 17. The following day, the storm attained its peak intensity with winds of 215 km/h (135 mph) according to the JTWC and 165 km/h (105 mph) according to the IMD along with a barometric pressure of 964 mbar (hPa; 28.47 inHg). On May 19, the cyclone made landfall near Chittagong, Bangladesh before rapidly dissipating the next day.

Prior to the storm's landfall, official in Bangladesh prompted more than 500,000 residents to evacuate from coastal areas and seek shelter. Despite the large-scale evacuation, more than 1,000 people perished as a result of the cyclone, most of which took place offshore. Numerous structures were damaged or destroyed throughout the affected region and electricity was lost for millions of people. In some areas, entire villages were leveled by the cyclone's storm surge. In the wake of the storm, water-borne diseases began to spread due to standing water and bodies being left out in the open. In response to the disaster, funds from across the globe were sent into Bangladesh to help the country recover.

Contents

  • Meteorological history 1
  • Preparations 2
  • Impact 3
  • See also 4
  • References 5

Meteorological history

On May 13, a near-convection consolidated around the center of circulation and the Joint Typhoon Warning Center (JTWC) classified the system as Tropical Cyclone 01B.[1] On May 15, the India Meteorological Department (IMD) also began monitoring the system; however, they classified it as Depression BOB 01.[2] Favorable upper-level conditions and good outflow allowed the storm to intensify. Shortly after, the cyclone attained tropical storm-force winds and turned towards the northeast. While gradually increasing in forward motion, the storm continued to strengthen.[1] The IMD eventually upgraded the system to a cyclonic storm on May 16.[2]

On May 17, the cyclone attained winds of 120 km/h (75 mph), equivalent to a Category 1 hurricane on the Saffir-Simpson Hurricane Scale. By May 18 an eye developed and the storm reached its peak intensity with winds of 215 km/h (135 mph).[1] At this time, the IMD assessed BOB 01 to have winds of 165 km/h (105 mph 3-minute sustained) and a barometric pressure of 964 mbar (hPa; 28.47 inHg).[2] The cyclone made landfall the following day near Chittagong, Bangladesh at this intensity.[1][2] After landfall, the storm rapidly tracked northeastward inland and dissipated early on May 20.[1]

Preparations

About a day before the cyclone would make landfall in Bangladesh, officials in the country raised the highest danger signals and evacuated numerous residents.[3] According to the

  1. ^ a b c d e Joint Typhoon Warning Center (1998). "Tropical Cyclone 01B Preliminary Report" ( 
  2. ^ a b c d "IMD Best Tracks Data ( 1990 - 2008 )". India Meteorological Department. 2009. Retrieved July 4, 2010. 
  3. ^ International Federation of Red Cross And Red Crescent Societies (May 18, 1997). "Bangladesh Cyclone Alert". ReliefWeb. Retrieved July 4, 2010. 
  4. ^ a b c Action by Churches Together (May 19, 1997). "ACT Alert: Bangladesh Cyclone". Disaster Database. Retrieved July 4, 2010. 
  5. ^ Reuters (May 19, 1997). "Bangladesh braces for cyclone's rage". The Washington Post. Retrieved July 4, 2010. 
  6. ^ Associated Press (May 20, 1997). "Bangladesh cyclone causes 500,000 to flee". The Spokesman Review. p. 3. Retrieved July 4, 2010. 
  7. ^ a b c Staff Writer (May 20, 1997). "Fatal Cyclone in Bangladesh". The Washington Post. Retrieved July 4, 2010. 
  8. ^ a b Church World Service (May 20, 1997). "Bangladesh: Cyclone". Disaster Database. Retrieved July 4, 2010. 
  9. ^ Associated Press (May 20, 1997). "Tornado trails cyclone, kills 46". Ellensburg Daily Record. p. 7. Retrieved July 4, 2010. 
  10. ^ a b Staff Writer (May 23, 1997). "Bangladesh; 750 Fishermen Still Missing After Storm". Los Angeles Times. p. 17. Retrieved July 4, 2010. 
  11. ^ Staff Writer (May 20, 1997). "Bangladesh cyclone kills 6, levels villages: 500,000 flee huts as winds whip Bay of Bengal". The Spectator. p. B.1. Retrieved July 4, 2010. 

References

See also

In Chittagong, news reports from Reuters stated that winds from the storm leveled homes and were throwing tin roofs like they were leaves. Within the first few hours of the cyclone's destructive passage of the country, six people were confirmed killed. Entire villages were leveled and numerous crops were flooded by the storm. On the islands of Teknaf and St. Martin's Island, a 2 m (6.6 ft) swamped the entire area,[11] killing 100 people.[7]

In Bangladesh, the storm wrought catastrophic damage and left hundreds of people dead in its wake. On land, between 350 and 500 people died due to the storm.[7][8] As the tail end of the system moved through, a tornado struck the same region, killing 46 more.[9] Additionally, 750 fishermen went missing offshore during the storm; all are believed to have perished.[10] In all, between 1,146 and 1,296 people died due to the cyclone; however, monetary losses are not available.[7][8][10]

Impact

[4] Had it struck at high tide, it is estimated that a storm surge of 6 m (20 ft) would have inundated much of the Bangladeshi coastline.[6] from directly striking the coast. Additionally, the system ended up hitting at low-tide instead of high-tide as initially feared.storm surge which killed 139,000 people; however, the storm turned towards the northeast prior to landfall, preventing the worst of the 1991 Bangladesh cyclone Initially, there were fears that the storm may become a repeat of the [4]

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