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Data on Fireball That Exploded Over Arizona/ISON
Jer 23:24 Can any hide himself in secret places that I shall not see him? saith the LORD. Do not I fill heaven and earth? saith the LORD.
Nasa/ISS and the ISONIDS http://amsmeteors.org/fireball_event/…
Solar and Quake Links http://www.BpearthWatch.Com
UM study links climate change, decline in songbird populations
University of Montana biology professor John Maron, left, and Thomas Martin, UM biology professor and U.S. Geological Survey scientist, explain the reduction of songbird populations in Arizona due to changing climate conditions.
JOHN CREPEAU/Missoulian University of MISSOULA — A decline in snow at high elevations has led to shrinking songbird populations in the mountains of northern Arizona, a new study by two University of Montana scientists found.
Some of the same bird species inhabit Montana.
U.S. Geological Survey senior scientist and UM professor Thomas Martin, along with UM biology professor John Maron, recently published the findings of their six-year study on indirect effects of climate change on ecosystems.
The abundance of deciduous trees and songbird populations have declined over the past 22 years because of decreasing snowpack above 8,000 feet in northern Arizona. Because of less snow, elk remain at higher elevations for longer periods of time, browsing on plants that provide cover and nesting places for birds.
The study is available now online, Martin said, while a hard copy of the journal Nature Climate Change is due out next month.
“The indirect effects of climate on plant communities may be Read more…
Fireball sparks panic as it shoots across 250 miles of night sky above California
Massive wall of dust swallows the Phoenix area, again
PHOENIX — Metropolitan Phoenix was shaking itself off Friday after a giant wall of dust smacked the city for the third time in the last six weeks, turning the skies brown and coating anything left outside.
A 1,000-foot-high wall of dust traveled at least 50 miles into metro Phoenix and neighboring Pinal County on Thursday evening before dissipating. It reduced visibility, created dangerous driving conditions and caused some flight delays.
National Weather Service meteorologist Ken Waters said the size and power of three of the storms set this season apart. Thunderstorms moving through southern Arizona brought winds of up to Read more…
Heat wave chokes southern U.S.
The suffocating heat wave sweeping the southern U.S. that has led to at least four deaths and left farmers’ fields bone dry shows no signs of abating as temperatures continue to reach record highs and electricity demand threatens to cripple the power grid.
The National Weather Service issued yet more excessive heat warnings Thursday for most of the southern plains, where the temperature in parts of Kansas, Oklahoma, Arkansas, Tennessee, Mississippi, Louisiana, and Texas reached as high as 43C, without the humidex.
Southern parts of California and Arizona in the west and Georgia, Florida and the Carolinas in the east also fell under heat advisories, while municipalities and counties scrambled to open cooling centres and make house calls on vulnerable residents.
Dallas marked its 34th straight day of temperatures over 38C, while on Wednesday, Fort Smith, Ark., saw the temperature reach 46C without the humidex, breaking a record of 42C set back in 1896.
As if things couldn’t get any worse, Florida residents are bracing for the Read more…
Unemployment rose in 90 percent of U.S. cities in June
Unemployment rates rose in more than 90 percent of U.S. cities in June, according to a report released Wednesday by the U.S. Department of Labor.
Unemployment rose in 345 large metro areas during the month, according to the report. Rates dropped in 20 cities, and remained steady in seven.
The national unemployment rate increased in June to 9.2 percent.
The statistics show a drastic change in unemployment rates in recent months. In May, unemployment rates rose in only 210 cities. In April, rates decreased in nearly all metro areas.
In June, employers added just 18,000 jobs, the lowest number in nine months. It was also a sharp decrease from the average of 215,000 jobs that were added in February, March, and April.
Many of the highest unemployment rates were seen in metro areas that are college towns. Champaign-Urbana, Ill., the home of the University of Illinois, saw its unemployment rate rise from 6.9 percent in May to 9.6 percent in June. College towns in Read more…
Supersize Dust Storms Could Become Southwest Norm
The massive dust storm that engulfed Phoenix last week was unusual for the 20th century, but could become more common in the 21st.
The storm resulted from thunderstorm-cooled air plummeting into the ground like mist pouring from an open freezer, only exponentially more powerful. Combine those winds with extremely dry conditions, and the result was a wall of dust 100 miles wide and 5,000 feet high.
Dust storms are common in the U.S. southwest, but not storms this big. No formal records are kept, but meteorologists said it was the largest such storm in at least 30 years. It was on par with storms seen in China’s Gobi desert and Australia. Some commentators invoked the apocalyptic storms of the 1930’s Dust Bowl.
As dry as it’s been in the southwest this year, with precipitation 50 percent below mid-20th century levels, there’s reason to think that extra-dry conditions will Read more…
TIME LAPSE Arizona Dust Storm July 2011
Phoenix Huge Dust Storm 7/5/2011 (Video)
PHOENIX (AP) — A massive dust storm descended on the Phoenix area on Tuesday night, drastically reducing visibility and delaying flights as strong winds downed trees and caused power outages for thousands of residents.
The dust cloud that hit the valley had originated in an afternoon storm in the Tucson Read more…
Experts warn epic weather ravaging US could worsen
CHICAGO — Epic floods, massive wildfires, drought and the deadliest tornado season in 60 years are ravaging the United States, with scientists warning that climate change will bring even more extreme weather.
The human and economic toll over just the past few months has been staggering: hundreds of people have died, and thousands of homes and millions of acres have been lost at a cost estimated at more than $20 billion.
And the United States has not even entered peak hurricane season.
“This spring was one of the most extreme springs that we’ve seen in the last century since we’ve had good records,” said Deke Arndt, chief of climate monitoring for the National Oceanic and Atmospheric Administration (NOAA).
While it’s not possible to tie a specific weather event or pattern to climate change, Arndt said this spring’s extreme weather is in line with what is forecast for the future.
“In general, but not everywhere, it is expected that the wetter places will get wetter and the drier places will tend to see more prolonged dry periods,” he told AFP.
“We are seeing an increase in the amount (of rain and snow) that comes at once, and the ramifications are that it’s a lot more water to deal with at a Read more…
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