Cyclonic storm over bay on Oct 7, red alert sounded in Kerala

Agencies
October 4, 2018

Kochi, Oct 3: Kerala Chief Minister Pinarayi Vijayan on Wednesday said that red alert has been declared in three districts - Idukki, Palakkad, and Thrissur on October 7.

Addressing the media, the Kerala Chief Minister said that the state government has sought support from the central agencies and have asked for five teams of the National Disaster Response Force (NDRF).

"Fishermen have been advised to reach the safer coast by October 5. The warning has been issued. A red alert has been declared in three districts - Idukki, Palakkad and Thrissur for October 7. Disaster Management Authority has met to assess the situation. We have sought support from central agencies and asked for five companies of the NDRF," he said.

Even as Kerala continues to recover from the devastating floods that destructed the state, Vijayan also advised tourists visiting Kerala not to travel to hilly regions, especially to Munnar, to see the Neelakurinji.

He added, "District administration has been directed to take necessary action to handle the crisis. Tourists have been advised not to travel to hilly regions, especially to Munnar to see the Neelakurinji."

Later, Vijayan said in a series of tweets, "Met Centre has predicted that heavy (7-11 cm in 24 hours) to very heavy (12-20 cm in 24 hours) rainfall is likely to occur at 1 or 2 places in Kerala on 3rd, 4th, 5th & 6th of October. Extremely heavy rainfall (21 cm & above in 24 hrs) is likely to occur at 1 or 2 places on 7th."

He said, "No one must venture into seas after October 4th. This information will be communicated to people in coastal areas using loudspeakers and other facilities."

The Chief Minister further said, "As the low-pressure system could intensify into a cyclone, it has been decided to take precautionary measures on a war footing. Directions have been given to the district collectors."

In August, Kerala was hit by the worst floods in nearly a century, which claimed lives of more than 400 people and caused damage to the tune of nearly Rs 20,000 crore.

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News Network
April 11,2020

New Delhi, Apr 11: As India battles the Covid-19 crisis, Prime Minister Narendra Modi on Saturday held a video conference with chief ministers primarily to take their feedback on whether the 21-nation-wide lockdown be extended beyond April 14 to stem the tide of the infections.

The Central government is understood to have also obtained views on the issue from all the relevant agencies and stakeholders involved in the efforts to contain the spread of the pandemic.

The video conference, which began at 11am, comes amidst indications that the central government may extend the nationwide lockdown with some possible relaxations even as Punjab and Odisha have already announced extending the lockdown beyond April 14 when the current spell of 21-day shutdown across the country ends on Tuesday.

The Union Home Ministry has sought views of state governments on various aspects, including whether more categories of people and services need to be exempted. In the current lockdown only essential services are exempted.

This is for the second time the prime minister is interacting with the chief ministers via video link after the lockdown was imposed.

During his April 2 interaction with chief ministers, Modi had pitched for a "staggered" exit from the ongoing lockdown.

A PTI tally of numbers reported by various states as on Thursday at 9.30pm showed a total of 7,510 having been affected by the virus nationwide so far with at least 251 deaths. More than 700 have been cured and discharged. However, the last update from the Union Health Ministry put the number of confirmed infections at 7,447 and the death toll at 239.

Addressing floor leaders of various parties who have representation in Parliament, Modi had on Wednesday made it clear that the lockdown cannot be lifted in one go, asserting that the priority of his government is to "save each and every life".

According to an official statement after the Wednesday interaction, the prime minister told these leaders that states, district administrations and experts have suggested extension of the lockdown to contain the spread of the virus.

Before the lockdown was announced on March 24, the prime minister had interacted with the chief ministers on March 20 to discuss ways and means to check the spread of the novel coronavirus.

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News Network
May 18,2020

Muscat, May 18: An Air India special flight left for Hyderabad with a total of 182 stranded Indians from Oman on Monday.

"IX 818 departed for Hyderabad with total 182 passengers. We again express our gratitude to Omani & Indian authorities and wish all the passengers, safe journey home," Indian embassy in Oman said in a tweet.

Under the Vande Bharat Mission, Air India operated repatriation flight from Oman on Sunday to Kerala. It had brought back 183 Indians.

The phased evacuation is being done under the Centre's 'Vande Bharat' mission whose second phase started from May 16.

In order to facilitate the return of stranded Indian nationals in Oman, the Indian government has decided to operate more special flights to Bangalore, Calicut, Delhi, Kannur, Kochi, and Gaya on May 20, 21, 22 and 23.

Under the second phase, a total of 149 flights, including feeder flights, are expected to be operated to bring back stranded Indians from 40 countries.

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News Network
May 20,2020

London, May 20: The current physical distancing guidelines of 6 feet may be insufficient to prevent COVID-19 transmission, according to a study which says a mild cough in low wind speeds can propel saliva droplets by as much as 18 feet.

Researchers, including those from the University of Nicosia in Cyprus, said a good baseline for studying the airborne transmission of viruses, like the one behind the COVID-19 pandemic, is a deeper understanding of how particles travel through the air when people cough.

In the study, published in the journal Physics of Fluids, they said even with a slight breeze of about four kilometres per hour (kph), saliva travels 18 feet in 5 seconds.

"The droplet cloud will affect both adults and children of different heights," said study co-author Dimitris Drikakis from the University of Nicosia.

According to the scientists, shorter adults and children could be at higher risk if they are located within the trajectory of the saliva droplets.

They said saliva is a complex fluid, which travels suspended in a bulk of surrounding air released by a cough, adding that many factors affect how saliva droplets travel in the air.

These factors, the study noted, include the size and number of droplets, how they interact with one another and the surrounding air as they disperse and evaporate, how heat and mass are transferred, and the humidity and temperature of the surrounding air.

In the study, the scientists created a computer simulation to examine the state of every saliva droplet moving through the air in front of a coughing person.

The model considered the effects of humidity, dispersion force, interactions of molecules of saliva and air, and how the droplets change from liquid to vapour and evaporate, along with a grid representing the space in front of a coughing person.

Each grid, the scientists said, holds information about variables like pressure, fluid velocity, temperature, droplet mass, and droplet position.

The study analysed the fates of nearly 1,008 simulated saliva droplets, and solved as many as 3.7 million equations.

"The purpose of the mathematical modelling and simulation is to take into account all the real coupling or interaction mechanisms that may take place between the main bulk fluid flow and the saliva droplets, and between the saliva droplets themselves," explained Talib Dbouk, another co-author of the study.

However, the researchers added that further studies are needed to determine the effect of ground surface temperature on the behaviour of saliva in air.

They also believe that indoor environments, especially ones with air conditioning, may significantly affect the particle movement through air.

This work is important since it concerns safety distance guidelines, and advances the understanding of the transmission of airborne diseases, Drikakis said.

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