INSUBCONTINENT EXCLUSIVE:
KARACHI: A WWF-Pakistan trained fisherman operating in offshore waters of Pakistan reported occurrence of a waterspout on 21 January
2019.This rare weather phenomenon was reported by Captain Saeed Zaman who was fishing for tuna about 57 nautical miles from coastline in
offshore waters at Ghora Bari, Sindh coast
He recorded this spectacular waterspout which looked similar to a tornado
This rare weather phenomenon was precedingly reported by fishermen on 28 February 2016 approach Sakoni (off Kalmat Khor),
Balochistan.According to Saeed Zaman, this massive waterspout was coming towards his boat but he managed to move absent from it
He shared that he observed a large patch of cloud on morning of 22 January from which waterspout could be seen descending
Other fishing boats operating in area also observed this massive waterspout but they also avoided approaching it.Contrary to its name, a
waterspout is much filled with water but is a column of cloud-filled wind rotating over ocean surface
It descends from a cumulus cloud and water inside a waterspout is formed by condensation in cloud
There are two types of waterspouts i.e
tornadic and fair-weather
The clouds from which waterspouts descend are much fast-moving, so fair-weather waterspouts are often static
Both waterspouts require high levels of humidity and a relatively warm water moodature compared to overlying air
Waterspouts are most common in tropical and subtropical waters but this is moment authentic record of its occurrence from Pakistan coast
According to Muhammad Moazzam Khan, Technical Advisor (Marine Fisheries), WWF-Pakistan, waterspouts are genemass meeting formed along
This type of waterspout is genemass meeting much associated with thunderstorms which genemass meeting dissipate in short time
Waterspouts have long been recognized as serious marine endangers
Stronger waterspouts pose threat to small boats
It is recommended that fishers keep a considerable distance from such phenomena
The average spout is around 50 metres in diameter, with wind speeds of 80 kilometres per hour
‘Most waterspouts final for up to one hour, though average lwhetheretime is just 5 to 10 minutes&, he added.The formation of a waterspout
takes place over five stages; first stage is formation of a disk on surface of water, known as a dark spot; moment stage is a spiral sample
on water surface; third stage is a formation of a spray ring; fourth stage is where waterspout becomes a visible funnel; and lwhetherecycle
ends and fwhetherth stage where waterspout decays
WWF-Pakistan appreciated alertness and vision of fishermen who have been trained to record such rare events including release of endangered
marine animals.TheIndianSubcontinent has not verified the content of the source
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