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Cloud Lightning

US: Massive Haboob Moves Across Parts of Phoenix Valley

A massive haboob moved through the Valley Tuesday night, reducing visibility and kicking up dangerous high winds.
Image
© Unknown
According to ABC15 meteorologist Rich Dahlquist, the wall of dust boasted sustained winds of around 60 miles per hour, close to hurricane force winds.

The powerful gusts knocked down power poles in parts of the East Valley, including Mesa, and led to outages affecting thousands of customers.

The thick dust reduced visibility in parts of the Valley to zero even before the sun set.

Phoenix Fire Department spokesman Scott Walker said they received 720 emergency phone calls between 5 and 7 p.m. and the storm kept crews busy across the city well into the night.

Communities across the Valley remain under a severe thunderstorm watch until 11 p.m.

Phoenix

US: Dust Storm Warning across Phoenix, Arizona

The National Weather Service in Phoenix has issued a Local dust Storm Warning for northwestern Pinal County in south central Arizona eastern Maricopa County in south central Arizona.

There is a 'Ground Stop' in effect, which means all flights coming in our going out of Sky Harbor Airport have been halted.

Video | News | Weather | Sports

Tue Jul 05 19:38:24 PDT 2011

Historic dust storm moves across Phoenix metro

The National Weather Service in Phoenix issued a local dust storm warning for northwestern Pinal County in south central Arizona eastern Maricopa County in south central Arizona. view full article


Bizarro Earth

Iceland: Unusual Activity Around Hekla Volcano

Mt Hekla
© Benedikit Johsnneson
Mt Hekla.
Meters around Mt. Hekla in southern Iceland have shown "unusual activity" in recent days. The Public Safety Commission has been alerted. According to RÚV Public Radio there is no reason for action as of now.

The movements have been recorded in five very precise meters that have been placed around Mt. Hekla in recent years. Professor Páll Einarsson says that these movements are seen in all five meters and even though the evidence is not conclusive they are thought to show magma movement under the volcano.

It has now been eleven years since Mt. Hekla, Iceland's most famous volcano, erupted. In the years since then the mountain is said to have slowly expanded because of magma buildup.

The last eruption in Hekla came on February 26 2000 and then earthquakes started an hour and a half before the outbreak of the magma.

As of now there is no cause for any activity on behalf of the Public safety commission.

Bell

US: Crews Gain Fighting New Mexico Wildfire, Now Fear Floods

Image
© Reuters
Charred forest smolders from the Las Conchas Fire near Los Alamos, New Mexico.
Santa Fe - As firefighters made progress saving Indian pueblo lands on the north end of New Mexico's largest wildfire, officials worried on Monday about a possible second punch from Mother Nature -- flash floods.

The fast-burning Las Conchas fire exploded on the scene a week ago, triggering the temporary evacuation of the Los Alamos nuclear laboratory. It has since charred more than 123,500 acres, the biggest torching of the state's lands in history.

But forecasters say seasonal rains are finally showing up across the tinder-dry Southwest, moving toward New Mexico.

"We've gone straight from fire danger to flood danger, so it's one thing after another," said a frustrated Jason Lott, superintendent of the Bandelier National Monument, a revered ancestral home of New Mexico's pueblo Indian natives.

Lott said more than 50 percent of the park, which consists of a total of 33,750 acres, has already been scorched by the Las Conchas blaze, although the visitors center, historic lodge and the ancient Tyounyi Pueblo ruins have been spared.

Those same structures, however, may now be threatened by flash floods expected with the state's monsoon season.

"It could be tomorrow, or in a couple weeks," Lott said.

Bizarro Earth

Mexican civil protection authorities confirm 11 dead from Tropical Storm Arlene and aftermath

Mexico City - Mexican authorities have confirmed 11 deaths from Tropical Storm Arlene and the aftermath of floods, mudslides and overflowing rivers in central Mexico and Gulf Coast states.

State civil protection officials say five people in Hidalgo, two young children in Mexico state and a rescue worker and woman in Veracruz were killed. Most died after being buried alive in their homes by mudslides or drowning in heavy currents while trying to cross swollen streams.

Bad Guys

South Dakota, US: Flood-Weary Cities Face Uneasy Future

Next up: Remove levees, reinforce long-term protection

Image
© Emily Spartz/Argus Leader
Sue Jopling and Tom Nelson help sandbag last week in Vermillion. Cities will have clean up after building up.
At some point, record rain and snowmelt coursing down the Missouri River will taper off, and communities such as Pierre, Fort Pierre and Dakota Dunes will take down emergency levees flung up more than a month ago to protect them from floods.

And then they will ask: Now what?

But that question is only the beginning of a series of challenges leaders will be looking to address. Among other questions:
  • Who will pay for removing the levees?
  • What will it cost to rehabilitate streets battered by construction vehicles and utilities shut down and sandbagged against flooding?
  • Will the U.S. Army Corps of Engineers adjust its management of the river to move more water downstream earlier in the spring in unusually wet years such as this one?
  • And perhaps most important, will there be another year like this one? If the record wet conditions of this year threaten to become a recurring event, does South Dakota need more permanent flood protection?
Community leaders still are dealing with the day-to-day issues of fending off a flood threat that began in May. For example, volunteers met at the Clay County courthouse Wednesday to replenish a store of sandbags. Gov. Dennis Daugaard has issued a no-boating order on the Vermillion River from the Highway 50 bypass to the confluence with the Missouri. And as the corps seeks to ease the immense amount of water downstream, Lake Francis Case behind the Fort Randall Dam has risen to record heights.

Bizarro Earth

Weather: Floods, landslides threaten Visayas, Mindanao, PAGASA says

Flash floods and landslides caused by rains from two low-pressure areas threaten parts of the Visayas and Mindanao, state weather forecasters said Sunday afternoon.

The Philippine Atmospheric Geophysical and Astronomical Services Administration (PAGASA) said the first LPA was estimated at 315 km west of Calapan, Mindoro Oriental as of 2 p.m.

On the other hand, the second LPA was estimated at 850 km east of Surigao City.

Both LPAs are embedded along the Intertropical Convergence Zone (ITCZ) affecting Southern Luzon, Visayas and Mindanao, PAGASA said.

"Visayas and Mindanao will experience cloudy skies with scattered to widespread rains and thunderstorms which may trigger flashfloods and landslides," PAGASA said.

While PAGASA did not say if the LPAs would intensify into a cyclone, Philippine weather site Typhoon2000 indicated a tropical cyclone is possible between July 4 and 9 (Monday and Saturday).

Bad Guys

Floods at China Mines Trap '40'

Image
© BBC
Rescuers in southern China are trying to reach more than 40 workers in two coal mines after one pit was flooded and the other caved in.

They are venting explosive gas and pumping water from a mine in Guangxi region, where three miners died.

Flooding has continued to hamper rescue work at the other mine in the neighbouring province of Guizhou.

China's mines are the world's deadliest; more than 2,600 miners died in accidents in 2009 alone.

Heavy rain was said to have caused the latest accidents.

Cloud Lightning

Minnesota, US: National Weather Service: Tornado, Downburst Hit St. Cloud Metro

Image
© Jodie Peche
Skies over Whitney Park in north St. Cloud.
The National Weather Service says it was a weak tornado in Waite Park and a downburst north of Downtown St. Cloud Friday night that did much of the damage in the St. Cloud area.

According to the NWS, a tornado touched down just north of the Interstate 94 and Highway 23 intersection, moved northeast at around 65 mph and dissipated in Waite Park, some 2.3 miles later. The NWS says the tornado was as big as 30 yards wide as it broke or toppled trees in its path, touching down in five distinct locations along its path. All of this happened from around 6:23 to 6:26 p.m. Friday.

Meanwhile, downburst winds of 65 to 70 miles an hour hit north of downtown St. Cloud, toppling hundreds of trees which landed on houses, sheds and vehicles.

The NWS says the damage from the downburst was far more widespread and significant than from the tornado.

Alarm Clock

Minnesota, US: Weather Service Confirms Tornado Touchdown in Douglas County

Image
© Jed Carlson
People work to clean up debris Saturday afternoon at a home off Ramel Road in Solon Springs. The mobile home had been moved off its foundation and many trees and items outside where uprooted and overturned in the storm on Friday evening.
The National Weather Service in Duluth confirmed late Saturday that a tornado touched down near Solon Springs during the severe storms that moved across the region Friday night.

According to a preliminary survey report, the most significant damage observed by the Weather Service survey team was EF2 on the 0-5 Enhanced Fujita scale, with peak winds estimated at 120 to 130 mph.

The path of the tornado was estimated at 2.9 miles, with a width of 300 yards, stretching from 3.6 miles southwest of Solon Springs to 1.3 miles west of Solon Springs. The tornado was on the ground for about three minutes, from 7:51 p.m. to 7:54 p.m. There were a few injuries from the tornado, but no fatalities.

The Weather Service reported that the tornado shifted a manufactured home off its foundation and rotated it about 30 degrees from its original orientation, and then destroyed a wood-frame home along Ramel Road. Some debris from the second home was found 1/3 of a mile away.