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Science behind the awe-inspiring microburst over Phoenix, Arizona

Phoenix microburst
© Chopperguy Photographer Jerry Ferguson and Pilot Andrew ParkSpectacular and dangerous weather phenomenon, known as a microburst, spotted over Phoenix, Arizona, Monday, July 18
The North American summer monsoon is in full swing this month of July and proof of how active it has been in the past few days is a series of extreme weather events that have taken place in Arizona. Dust storms and heavy downpours accompanied by hail, very strong winds and lightning have slammed into Phoenix and Tucson affecting many residents across the region.

Monday, while covering the effects of these spectacular monsoon related thunderstorms for a local Phoenix television network, helicopter pilot Jerry Ferguson captured an instant of extreme atmospheric action in which a massive microburst was affecting the metro area.

Majestic from the distance, but very intense and damaging on the ground, this spectacle of nature seemed to last forever as described by local residents.


Comment: For related articles, see also:


Cloud Lightning

Alberta Canada experiences wettest July weather in 89 years

Wet Alberta Weather
© Jeff McIntosh/CPCalgary Stampede visitors huddle under an umbrella as a storm sweeps over the grounds on July 9, 2016.
In a country known for episodes of extreme weather, even Environment Canada's senior climatologist is shaking his head over the flurry of bad weather hitting the Prairies this year — most notably in Alberta.

David Phillips, who has been on the job for five decades, said the 2016 weather season isn't likely to be one that especially Albertans and others on the Prairie will look back on fondly.

He said the number of tornadoes, winds, hail, thunderstorms and humidity are up in all three Prairie provinces but nobody has had it worse than those living in northern and southern Alberta.

"You saw the terrible thing in Fort McMurray. My God, I'm sure they were wondering would the locusts be next. I mean, it's so Biblical,'' said Phillips.

"They had the fires and the drought and now the floods. They clearly had more than a month's worth of rain in Fort McMurray in two hours, and it's almost as if they couldn't get rain when they prayed for it back in April and May.''

Comment: There was also recent flooding reported in the northern Alberta city of Grande Prairie.


Cloud Lightning

Horse killed by lightning bolt in Leesburg, Georgia

Pretty Boy's owners believe that he was struck by lightning.
© WALBPretty Boy's owners believe that he was struck by lightning.
Two Lee County horses were stuck by lightning on Monday when thunderstorms rolled through the area.

Dallas was killed, but Pretty Boy's owners said he is shaken but recovering.


Riders and horses alike at the Star K Equestrian Center are still reeling after the incident.

When the clouds had cleared after the storm had passed, owner Norma Karst noticed something was off.

"Acted very unusual," said Karst. "Walking around in an unusual way, acting like he couldn't see, twitching his mouth, we knew something was wrong with him."

Pretty Boy was among four horses that refused to come back inside at the Star K Equestrian Center when the storm rolled through Monday.

Cloud Lightning

Lightning bolt kills 14 cows in Cambodia

Lightning
© MGN Online
Lightning struck a villager's cow stable in Kratie province's Kbal Damrey commune on Tuesday night killing 14 cows, according to the Water Resources Ministry and local police.

"At about 8pm on August 2, 2016, there was a case of lightning killing 14 cows in a stable located in O Tanoeng village, Kbal Damrey commune, Sambo district, Kratie province," the ministry's statement said.

The ministry's statement then moved on to request that people pay close attention to the dangers caused by extreme weather.

Lim Bona, a Sambo district police official, said: "It hit the herd of 14 cows in the stable. All of them died, there was not one left. After that, the owner sold the dead cows at reduced prices. When the lightning struck, it was rainy and windy."

Keo Vy, cabinet chief and a spokesman for the National Committee for Disaster Management, told Khmer Times late last month that lightning had killed 78 people, injured nearly 100 and caused the death of 60 head of cattle from January to July this year.

Windsock

Hurricane drought in Gulf of Mexico hits a new record

hurricane Ingrid
© NOAATropical storm Ingrid became a hurricane in the Gulf of Mexico in September 2013.

A hurricane has not appeared in the Gulf of Mexico in almost three years


Saturday was a quiet day across the Gulf of Mexico, but not one without note, because a strange record was set: It has been 1,048 days since a hurricane developed in or entered the Gulf. That is the longest streak in the past 130 years, since formal record-keeping began in 1886.

The Atlantic hurricane season starts in June and lasts through the end of November. But the last storm in the Gulf was Hurricane Ingrid, which made landfall in northeastern Mexico in September 2013. "You have to have conditions just right for a hurricane to form, and the conditions haven't been ideal in the Gulf of Mexico in the last two years," says Robbie Berg, a hurricane specialist at the National Hurricane Center. The last long Gulf hurricane drought was from October 1, 1929, to August 13, 1932. It was broken by Hurricane 2, which came ashore in Freeport, Texas, as a category 4 storm.

Hurricanes usually form when ocean water has been warmed over the summer months to around 25 degrees Celsius or higher. As humid air and clouds accumulate, light, sweeping winds moving westward from Africa can steer the clouds across the mid-Atlantic toward the Gulf. In some cases, the mass of moisture can begin rotating as it advances. This early stage is known as a tropical depression, which can strengthen to become a tropical storm if the wind direction and speed throughout all levels of the atmosphere remain relatively constant. To be considered a category 1 hurricane or higher, the wind speed inside the rotating storm needs to be at least 119 kilometers per hour (74 miles per hour).

Comment: Elsewhere within the past year some record-breaking and rare storms include:

April 2016: Cyclone Fantala became the Indian Ocean's most powerful storm on record

February 2016: Cyclone Winston caused devastation in Fiji as the most-potent cyclone on record in the Southwest Pacific

January 2016: Hurricane Pali became the earliest-forming hurricane in either the Central or Northeastern Pacific, forming unusually close to the equator

January 2016: Hurricane Alex, a rare January storm in the Atlantic and the first storm of the 2016 Atlantic hurricane season

October 2015: Hurricane Patricia became the strongest-known storm in the Northeast Pacific


Cloud Precipitation

For second month running, 1-in-100-year microburst inundates Phoenix, Arizona

Storm cloud in Phoenix
© Lennis Keyes
A massive storm cloud was visible in the sky above Phoenix, Arizona on Tuesday, August 2, coinciding with torrential rains that pummeled the city and turned roads into rivers.

"Today some parts of Phoenix received over 2 inches of rain," Lennis Keyes, the uploader of this footage, told Storyful via email. "The large cloud sat hovering over Glendale for a long time before it began to race across the valley to the east."

The Phoenix area received up to two inches of rain in one hour, AZ Central reported, and the National Weather Service referred to the storm as a once in a 100-year event.


Comment: Problem with this being a "once-in-a-hundred-years event" is... the same thing happened in Phoenix, Arizona last month:

Stunning photo and video show a microburst dumping rain and wind over Phoenix, Arizona


Umbrella

Tropical Storm Earl forms, heads towards Belize, Mexico's Yucatan Peninsula; 8-16 inches of rainfall expected

Tropical Storm Earl has formed in the Caribbean Sea, the first Atlantic basin named storm since late June.

Earl will track toward Belize and Mexico's Yucatan Peninsula, where strong winds and heavy rainfall will be threats late Wednesday into Thursday. Current indications are that the chance of a direct impact on the U.S. from Earl is low.
Projected path of TS Earl
© Weather.comProjected Path:
The red-shaded area denotes the potential path of the center of the tropical cyclone. Note that impacts (particularly heavy rain, high surf, coastal flooding) with any tropical cyclone may spread beyond its forecast path.
Earl was named late Tuesday morning after a Hurricane Hunter reconnaissance mission found that an area of low pressure had formed.

Tropical storm warnings and hurricane watches have been issued for parts of the Yucatan Peninsula, from Punta Allen, Mexico, to the Belize/Guatemala border. A tropical storm warning is also in effect for Honduras from Cabo Gracias a Dios westward to the Honduras/Guatemala border, including the Bay Islands.

This system has already been impactful the last few days prior to being named Earl. Six people were killed in the Dominican Republic Sunday into Monday as this system passed near the island.

Cloud Lightning

Update: 56 killed by lightning strikes over 4 days in Odisha, India

Lightning
© MGN Online
The death toll in lightning strikes in Odisha in the last four days has gone up to 56 with the death of four more persons killed by nature's fury today.

According to reports, a youth of Deuliapatna village on the outskirts of Bhubaneswar was killed when lightning struck him this afternoon.

In Cuttack district, a person of Uttarabanki Gholapur village in Athagarh block was killed while he had taken shelter under a tree near the village after rain and thundershower lashed the area.

Besides, a youth of Balia Gopinathpur village in Jagatsinghpur district and an old man of Roda village of Agalpur block in Bolangir district were killed in lightning.

Cloud Lightning

Teenager videos terrifying moment lightning bolt misses him by inches in New Jersey

The bright light shows how close Ethan came to serious injury just off camera
The bright light shows how close Ethan came to serious injury just off camera
This is the terrifying moment a teenager escaped a lightning bolt strike by inches in the middle of a fierce thunderstorm.

Liverpool-born mum Elaine Riozzi-Bodine says her son Ethan is being hailed a 'walking miracle' after his dice with death near their house in New Jersey, USA.

Mrs Riozzi-Bodine, 47, said that the 16-year-old lad had been walking home along the seafront when a bolt of lightning hit the ground beside him.

Ethan was thrown off his feet as a jolt ran through the ground and then up his body.

He was rushed to hospital where doctors were stunned to discover he was completely uninjured.


Cloud Lightning

Video shows the moment a fisherman is killed by lightning in Suzhou, China

Traffic cameras captured a large white flash before the man, identified only by his surname Han, is seen falling backwards
Traffic cameras captured a large white flash before the man, identified only by his surname Han, is seen falling backwards
Shocking footage shows the moment a Chinese fisherman was killed by a bolt of lightning while on his boat.

The man, who has only been identified by his surname Han, had been standing on his boat in Suzhou, eastern China, when he was killed in the freak accident.

Traffic cameras captured a large white flash before the fisherman is seen falling backwards on his boat.

Han's boat was among many docked near a bridge in the district of Wujiang, Jiangsu Province, during the storm, which brought large amounts of rainfall and thunder.

Despite the risk, locals said they had not expected the lightning strike which killed Han.