Possible Fairdpur Tornado April 3rd, 2017

Fairdpur MIdnight TOrnado

 

“A man was killed and 30 others were injured as tornadoes hit Faridpur Sadar upazila and Pabna’s Sujanagar on Monday evening.”

 

More here: http://www.thedailystar.net/backpage/1-killed-30-injured-tornado-1386493

 

Fairdpur MIdnight TOrnado

 

AGT always understimates DBZ compared to US radars so don’t read much into that. There are two storms that approach this area one in the early evening and one around midnight. It’s not known which caused the damage. Since there is no video and not enough pictures to verify tornado damage it’s hard to say for certain that it wasn’t a microburst, however it was not associated with a bow and instead an isolated cell, so it’s assumed to likely be a tornado.

 

 

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Killer Tornado Fairdpur, August 21st, 2016

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“At least five people were killed and at least 50 others were severely injured as a tornado hit parts of Faridpur district yesterday afternoon”

Read more: http://www.dhakatribune.com/bangladesh/2016/08/22/tornado-flattens-faridpur-factory-five-dead/

Note: Tornado video online purporting to be from Fairdpur is in fact taken in Oklahoma, USA. This tornado was associated with  remnants of Tropical Storm Dianmu and likely occurred earlier in the day. While Bangladesh outlets use tornado fairly freely, extratropical cyclones commonly produce tornadoes in the United States and it’s possible that was the case here.

 

CYCLONE AUG 21st

 

8-21-16 TORNADO BANGLADESH

 

 

CYCLONE AUG 21st

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Confirmed Tornado Markuli , Bangladesh April 2nd, 2017

Tornado-Bangladesh

 

The location suggests likely influence of the Khasi Hills outflow boundary.

Tornado-Bangladesh

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Confirmed Tornado in Sylhet District April 22nd, 2016

I was contacted by Jon Finch after the 22nd due to a radar image seeming to show a very tornadic looking storm, at the time I was unable to find any conclusive evidence a tornado had occurred. But now several videos have surfaced showing a tornado occurring on the same date, area and appearing to be the same time (near sunset). We believe this is sufficient confirmation that the first known tornado since Brahmanbaria has occurred in Bangladesh.

 

Two supercells were seen radar, one in the 12z-13z timeframe and one right behind it which showed a strong hook in the 13-14z timeframe. We are still trying to verify which supercell is responsible based on time and location. Despite the resolution and RF noise, there appears to be 40+kts of RFD clearly showing. Over the course of  5 hours there were four hook echoes showing in this same general line.

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April 5th, 2016 Bangladesh Supercell

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We are currently investigating a supercell that formed at 7z just over the border into India and by 12z impacted Jessore and about an hour later Khulna. Damage was reported in both towns including several fatalities. Early on the storm appeared to have a hook echo and had an impressive reflectivity core per Kolkata radar.

6z surface analysis shows impressive 87/80 south wind.

 

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Storm now near Jessore, nearby obs is backing at 88/81.

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This sat pass shows the storm right as it started going, the dryline shows pretty substantial cumulus development.

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7.34 micron imagery

 

 

A woman was killed, 10 others were injured and over 10,000 houses damaged as nor’westers lashed Chuadanga, Bagerhat and Jhenidah districts on Tuesday.

An elderly woman was killed as a nor’wester hit several upazilas of Chuadanga in the evening, reports UNB.

Witnesses said Sabina, a resident of Majdah village in Alamdanga upazila, died on the spot as a wall of her house fell on her after being hit by the storm around 6:30pm.

Besides, several hundred houses were damaged and thousands of trees uprooted during the storm in different areas of the district.

Power supply to different areas got snapped as a number of electric poles were uprooted by the storm.

 

Two women were killed as a tree collapsed on them during a storm that ravaged Abhaynagar upazila of Jessore district on Wednesday night.
At the same time, roughly 5,000 birds of different species were killed as the nor’wester wreaked havoc at Tirerhat village in Jessore sadar upazila.
Officer-in-charge of Abhaynagar police station Sheikh Nasiruddin said Laxmirani Mandol, 35, daughter of Bhushan Mandol, a resident of Dul village, and Sahida Begum,45, daughter of Sohrab Hossain Khan, a resident of Ektapur village, were killed as a tree collapsed on them during a storm in the upazila at about 7:30pm.
Several hundred houses were also damaged by the storm.
Meanwhile, locals said they found around 5,000 birds, including Doel, Shalik, Masranga, Bulbuli and Ghughu, lying dead at different places of Tirerhat village after the storm on Thursday morning.

 

 

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Deadly Storms Hit Bangladesh February 24th, 2016

Picture showing some initial development in Kolkata

On February 24th, the severe weather season came in with a bang when a severe thunderstorm hit the city of some 16,000,000 people. Clearly from the video and from the fatalities there was some significant straight line wind damage though standards of construction require less winds to be severe than should be expected in a developed country.

What we do know is that it appears to have taken place in the middle of the day with a 75F temp and 66F dewpoint with a 5kt SE wind blowing into Dhaka.

Authorities said a hailstorm that followed dark clouds and thunder caught Dhaka residents off guard. Several districts in the southwest, including Barisal and Chittagong, also experienced a storm on Wednesday.

In Narsinghdi, two sisters were killed when a wall collapsed on them during the storm. In Naraynganj, six people were killed when a trawler sank in the Dhaleshwari River. Two people were also killed in separate incidents of lightning strike in Moulvibazar.

A large section of the Supreme Court’s fence collapsed when trees fell on it. At Sirajdikhan in Munshiganj, 25 grade 10 students of the Kajishal Hajigaon Humayun Molla High School sustained injuries when the tin roof collapsed during class.

Meanwhile, 13 community health center workers, who were protesting to demand the nationalization of their jobs, were hurt when they were hit by hail at the Central Shaheed Minar. Rains in Dhaka and surrounding areas had been forecast by the Met Office because of an easterly low in the region.

In Thursday’s forecast, it said rain or thunder shower along with gusty or squally wind is expected to occur in Barisal, Chittagong, Khulna, Dhaka and Sylhet divisions. The Met Office added that the weather may remain mostly dry with partly cloudy sky elsewhere in the country.

 

Picture showing some initial development in Kolkata

Picture showing some initial development in Kolkata

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Splitting Supercell on March 6th in Bangladesh

Bangladesh-Storms

Severe storms hit Bangladesh on March 6th, including a splitting supercell with left/right moving pair, occurring during peak heating and splitting. This represents the second notable severe weather outbreak in the area the first causing significant hail in Dhaka on February 24th. The supercell weakened relatively quickly but part of the northern cluster did hit the southern Dhaka metro but had weakened to be nothing more than a regular thunderstorm.   Bangladesh-Storms

Superce--BD

 

While Dhaka was only at 68 degree dewpoint and 90 degrees, further to west at an agricultural mesonet station it registered around 89 degrees temparture and 75 degrees dewpoint.

 

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Bangladesh Storms in 2014 From Radar & Satellite

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Here’s a look at some notable storms that took place in 2014 from our Radar archive.

These storms formed on an old outflow boundary and contained quite a strong core.

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Analysis of Straight Line Wind Event in Bangladesh on 4/26/14

During our final chase in Bangladesh that had had us heading up Kishoreganj, we came upon an area of fresh damage including collapsed buildings and a rather large area of broken coconut trees. We conducted a quick survey (with not much time since we needed to get farther north).

The damage occurred around 6pm on April 26th according to several eyewitnesses and collaborated by radar data. No one witnessed a tornado but rather just an intense storm with straight-line winds. An analysis of the area seemed to show the path was no greather than 300m and all trees were downed in the direction of storm motion.

DAMAGE

There was a substantial but modified pool of cooler air left over from the previous nights convection as shown on this threat assessment from Tim Vasquez made in the afternoon.
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My Experience In Bangladesh

Over a decade ago I learned that Bangladesh was the home of the world’s deadliest tornado, the world’s deadliest hailstone and the deadliest cyclone. Years later I would come upon a site by a NWS meteorologist named Jonathan Finch who had started his own personal project to catalog and forecast severe storms in Bangladesh. It was clear that Bangladesh was a land with weather of such an intensity that made it unique in the world. Since that time I have planned and dreamed to make a trip to Bangladesh to explore the country, people and the weather. For the entire month of April we have been in Bangladesh, traveling hundreds of kilometers each day, visiting dozens of villages and taking boats across rivers on more occasions than can be counted. This is the story of our trip.

I spent the first night near Old Dhaka and spent the night watching the old town and listening to the Muslim call to prayer.

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We then set out on a journey across the great Padma river to Madaripur, Manikganj and Tangail over the next several days.

FERRY

We interviewed the warm and kind people of Horgots village who survived the world’s deadliest tornado on April 26th, 1989 as well as conducted surveys of the Brahmanbaria tornado.

Survivors of the Manikganj tornado.

Survivors of the Manikganj tornado.

In Chandpur we were treated to the great attention of many village children and the equally beautiful night of this ancient boating village. Read more ›

Posted in Bangladesh, Tornado Research

A Guide To Storm Chasing In Bangladesh

DHAKAThe following is some information based on our experience chasing storms in Bangladesh to help future adventurers in their attempts to capture this beautifully chaotic land that is home to the deadliest cyclone, deadliest tornado and heaviest hail stone. It may also be of general use to other travelers who wish to embark on a journey to Bangladesh or east India.

Roads

The most challenging part of chasing is the driving conditions which involve multiple types of motor vehicle and pedal bicycle and millions of random people just running across the road at any time. The amount of cities and density can play a huge role in making it to a storm on time. Some roads are in disrepair to an extent where the highways could be considered slower than any dirt road in the plains, while others may be prime for 80 kmph (about 50mph is top speed anywhere). The real challenge is traffic, because these are usually small roads filled with pot holes and everyone is passing something, especially buses which can only be from the movie Mad Max and will command the middle of the road at high speed forcing you partially off.

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Posted in Bangladesh, Tornado Research

Atmospheric Pollution In Bangladesh

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When we came to Bangladesh we had heard that it had some of the worst atmospheric pollution and a thick smog haze that hung over Dhaka. There were many reasons given for this, including motor vehicle, burning of trash, cooking, etc. On our flight in we were startled by the number of active brick kilns in the country, literally covering the countryside. After having traveled around nearly the whole of the country, we believe these are largely the source of the haze and atmospheric pollution. Within 30km Dhaka on most days you will find a haze, sometimes deep as a fog giving just a couple kilometers visibility , other times just hampering a clear visibility to keep it around 10-20km or so.  The brick kilns are everywhere and at the time we had estimated between 5,000-10,000 based on the number in a single 10km area. We just stumbled on this release  from the World Bank/UN that makes the case:

Experts describe brick-making in Bangladesh as a “footloose” industry in which operators fuel the country’s 8,000 outdated kilns with wood and low-grade coal, but also burn anything else – even old tyres and plastics – at great risk to the health of both the people and environment. “A huge number of people are operating irresponsibly and passing on the cost to the public,” UNDP project manager Khondker Reaz Rahman told IRIN.”

Read more ›

Posted in Bangladesh, Tornado Research