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Cloud Precipitation

New Orleans floods after torrential rainfall; 4 inches of rain in an hour


The New Orleans Advocate
Sat, 22 Jul 2017 12:06 UTC
floods New Orleans
© Max Becherer
Quick heavy rains poured across metro New Orleans Saturday afternoon, dumping several inches of rain in a short amount of time.

A flood advisory was placed over New Orleans until 4 p.m. According to a WWL-TV report, the New Orleans Sewerage and Water Board said 4.22 inches of water fell over the metro area in a single hour, causing many roadways to flood.

By 3 p.m., New Orleans' emergency preparedness Twitter account, @nolaready, said the system was 'nearly stationary' over a large portion of the Uptown and Central Business District neighborhoods, with up to an inch of rain expected to fall.

The NOLA Ready Twitter account also reported flooding at the intersections of Tulane and Carrolton, Orleans and Broad, Paris and Burbank and Esplanade and Carrolton, while ProjectNOLA's Facebook page said significant flooding stretched throughout the Mid-City area towards Treme.

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Cloud Precipitation

Heavy rains cause flooding in parts of West Bengal, India; 2 dead

Kaushik Dutta
Hindustan Times
Sun, 23 Jul 2017 11:53 UTC
Devotees and a priest wade through floodwaters of Kopai river near a half-submerged Kankali Kali Temple in Birbhum district on Saturday.
© PTI
Devotees and a priest wade through floodwaters of Kopai river near a half-submerged Kankali Kali Temple in Birbhum district on Saturday.
Two people died as incessant rainfall caused flood-like situation in Birbhum, West Mindapore and East Midnapore districts of West Bengal on Sunday.

In Saithia at Birbhum, Arnab Chatterjee drowned and died as water level increased in Bakreshwar river while a woman, Satabdi Bajikar drowned in Kuye river whose level had risen at Labhpur in Birbhum.

Several villages and roads in Birbhum district remained submerged as continuous rainfall added to the misery of the people.

Met department's prediction of heavy rainfall in different districts of south Bengal over the next couple of days has added to the apprehension of the flood situation getting worse.

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Better Earth

Greenland is gaining ice and snow cover


DMI
Tue, 25 Apr 2017 10:33 UTC
Ice Sheet Mass Balance 2017 Greenland

Top: The total daily contribution to the surface mass balance from the entire ice sheet (blue line, Gt/day). Bottom: The accumulated surface mass balance from September 1st to now (blue line, Gt) and the season 2011-12 (red) which had very high summer melt in Greenland. For comparison, the mean curve from the period 1981-2010 is shown (dark grey). The same calendar day in each of the 30 years (in the period 1981-2010) will have its own value. These differences from year to year are illustrated by the light grey band. For each calendar day, however, the lowest and highest values of the 30 years have been left out.
Current Surface Mass Budget of the Greenland Ice Sheet

Here you can follow the daily surface mass balance on the Greenland Ice Sheet. The snow and ice model from one of DMI's climate models is driven every six hours with snowfall, sunlight and other parameters from a research weather model for Greenland, Hirlam-Newsnow. We can thereby calculate the melting energy, refreezing of melt water and sublimation (snow that evaporates without melting first). The result of this is a change in the snow and ice from one day to the next and this change is shown below. All numbers are in water equivalent, that is, the amount of water the snow and ice would correspond to if it was melted.

The model has been updated in 2014 to better account for meltwater refreezing in the snow, and again in 2015 to account for the lower reflectivity of sunlight in bare ice than in snow. Finally, it has been updated again in 2017 with a more advanced representation of percolation and refreezing of meltwater. At the same time, we have extended the reference period to 1981-2010. The update means that the new maps, values and curves will deviate from the previous ones. Everything shown on this site, however, is calculated with this new model, so that all curves and values are comparable.
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Snowflake Cold

Polar blast blamed for 2 deaths in Brazil


Latin American Herald Tribune
Thu, 20 Jul 2017 08:21 UTC
Brasil waterfall
The polar blast affecting much of South America's Southern Cone has claimed its first mortal victims in Brazil, authorities said Wednesday.

A 45-year-old homeless man was found dead late Tuesday in Sao Paulo, Brazil's largest city, where the temperature climbed only to 10 C (50 F) - the coldest daily maximum in four years - before falling to 8.3 C (47 F) after sunset.

Sao Paulo's lowest temperature ever is 7.3 C (45 F), recorded on July 12, 1988.

The other fatality reported Wednesday was also a homeless man, a resident of Curitiba, capital of the southern state of Parana, who died amid overnight temperatures of minus 1.3 C (30 F).

The Sao Paulo municipal government said that despite an increase in the number of beds at homeless shelters to 11,800, the facilities were unable to accommodate everyone seeking to come in from the cold.

Around 20,000 people, including families with children, are sleeping on the streets of Sao Paulo, according to the Rev. Julio Lancelotti, coordinator of homeless outreach for Brazil's Catholic bishops conference.

A number of towns in southern Brazil experienced record low temperatures on Wednesday and some areas had snow and frost.

Bom Jardim da Serra, a town in the mountains of Santa Catarina state, posted an overnight low of minus 8.8. C (16 F).

The weather forecast calls for the unusually temperatures to hang on for one more day.

Comment: Elsewhere in South America this month extremely cold weather killed 2 people in Argentina and in Chile Santiago experienced snow for the first time in 20 years. See also:

Cold sweeps the Southern Hemisphere, major crop damage

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Camera

Huge red sprite captured over Austria (PHOTO)


Sott.net
Sun, 23 Jul 2017 06:45 UTC
Red sprites over Austria
© Martin Popek
Red sprites over Austria
On July 21 photographer Martin Popek of Nýdek, Czechia recorded a magnificent display of sprites leaping up from a thunderstorm in neighboring Austria. "The storm was about 390km away," says Popek, "and the sprite was huge. It stretched 50 km to 90 km above the ground below."

Sometimes called "space lightning," sprites are a true space weather phenomenon. They inhabit the upper atmosphere alongside auroras, meteors and noctilucent clouds. Some researchers believe they are linked to cosmic rays: subatomic particles from deep space striking the top of Earth's atmosphere produce secondary electrons that, in turn, could provide the spark that triggers sprites.

According to the website SpaceWeather the link to cosmic rays is particularly interesting at this time. Despite a brief reduction in cosmic rays last week caused by the sweeping action of a passing CME, cosmic rays are intensifying. For the past two years, space weather balloons have observed a steady increase in deep space radiation penetrating our atmosphere.


Comment: Cosmic rays reaching Earth increased 13% since 2015


Comment: See also: Electric universe: Lightning strength and frequency increasing

The Electric Universe model is clearly explained, with a lot more relevant information, in the book Earth Changes and the Human Cosmic Connection by Pierre Lescaudron and Laura Knight-Jadczyk.

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Cloud Lightning

Two boys killed by lightning strikes in Uttar Pradesh, India


India
Fri, 21 Jul 2017 18:50 UTC
lightning
Two minor boys were killed and three others suffered burns today in two different incidents after lightning struck them in Bhadohi district of Uttar Pradesh.

Aurai Sub Divisional Magistrate Keshav Nath Gupta said 12-year-old Kush Yadav was struck by lightning in Sarbat Khani village, killing him on the spot.

In another incident, Suraj Bind (15), a resident of Kakarhiya village, died after he was struck by lightning in the village, he said.

The bodies have been sent for postmortem while the injured were taken to a hospital, Gupta said.

Source: Press Trust of India
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Arrow Down

Family of 5 killed by landslide in Chittagong, Bangladesh


The Daily Star (Bangladesh)
Fri, 21 Jul 2017 18:42 UTC
This STAR file photo shows a man leaves his home in a valley with a sack full of belongings in Rupnagar of Rangamati after incessant rain posed the risk of more landslides in the hilly district.

This STAR file photo shows a man leaves his home in a valley with a sack full of belongings in Rupnagar of Rangamati after incessant rain posed the risk of more landslides in the hilly district.
Five people including three children of a family were killed and another one went missing in a landslide in Sitakunda upazila of Chittagong early today.

The deceased were identified as Fatema, 30, her son Yusuf, 12, and sister-in-law Rabeya Khatun, 28, her daughters Samiya, 7 and Namiya, 5, said Rezaur Rahman, additional superintendent of police (Sitakunda circle).

The victims were asleep when the landslide took place at Jangle Salimpur village around 4:00 am due to incessant rain, the police official told our Chittagong staff correspondent.

Further details about the missing one could not be known immediately.

Earlier on June 13, devastating landslides in Chittagong, Rangamati and Bandarban took away more than 150 lives.
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Fire

Over 30 wildfires started in a day due to lightning strikes in Central Interior, British Columbia

Dave White
News1130
Fri, 21 Jul 2017 18:15 UTC
Trees burnt by raging wildfires in the central interior.
© BC Wildfire Service
Trees burnt by raging wildfires in the central interior.
We're learning today the downpours over the Central Interior yesterday provided only a little bit of relief to crews because with the storm clouds came a lot of lightning which actually sparked new fires.

The forecast heading into the weekend isn't looking very good.

Navi Saini with the BC Wildfire Service says there had been some hope for rain this weekend in an area where it's so badly needed, but it's not looking too promising.

"Another low-pressure system is predicted to start building off the coast. This will bring showers to the coast mountains, unfortunately, hot, dry and windy conditions will continue for the Interior."
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Cloud Lightning

28,000 lightning strikes recorded during 24 hours in Northern Great Plains

Bill Gabbert
Wildfire Today
Fri, 21 Jul 2017 18:08 UTC
lightning map
For the 24-hour period ending at 6 a.m. on Friday sensors detected more than 28,000 cloud to ground lightning strikes in the portion of the Northern Great Plains shown in the map above.

The National Weather Service issued Red Flag Warnings or Fire Weather Watches on Friday for areas in Montana, South Dakota, Wyoming, and North Dakota.

The Red Flag map was current as of 10 a.m. MDT on Friday. Red Flag Warnings can change throughout the day as the National Weather Service offices around the country update and revise their forecasts.
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Cloud Precipitation

Microburst slams the Catalina Foothills, Arizona (VIDEO)

Jeff Beamish
KVOA Tucson News
Fri, 21 Jul 2017 18:46 UTC
Arizona microburst
© News 4 Tucson KVOA-TV
The power of the Monsoon was in full effect Thursday evening.

The Simply Bits Downtown Tucson camera captured a microburst blasting the Catalina Foothills area. On the right hand side of the video, you'll see a burst of rain fall out of the clouds & hit the ground.

Microbursts develop thanks to rain that cools the surrounding air. Because cool air is more dense than warm air, it falls rapidly out of the sky and fans out in all directions when hitting the Earth's surface. Winds within a microburst can exceed 50 MPH, potentially causing damage within a small area.

A rain gauge at the Finger Rock Wash near Skyline Drive recorded 1.85" rain from this storm. Most of the rain fell in a short hour time span.

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