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Aurora Oddity: Northern Lights Display Dazzles Without Big Sun Flare

Valentine aurora borealis
© Auroramax
Latest image of aurora borealis above Yellowknife, NWT taken at 02:21 MST on February 14, 2012.
For reasons scientists can't yet explain, the northern lights blazed up in a dazzling display this week, despite the apparent lack of a major solar flare typically associated with these celestial light shows.

The weird northern lights display began on Valentine's Day (Feb. 14), when an uptick in activity in Earth's magnetic field sparked a geomagnetic storm, according to the skywatching website Spaceweather.com.

"Sometimes the sky surprises us," astronomer Tony Phillips wrote on Spaceweather.com. "On Feb. 14-15, with little warning, geomagnetic activity rippled around the Arctic Circle, producing an outbreak of auroras that veteran observers said was among the best in months."

Sun

Tornado Season On The Sun?

For a 30 hour spell (Feb 7-8, 2012) the Solar Dynamics Observatory captured plasma caught in a magnetic dance across the Sun's surface. The results closely resemble extreme tornadic activity on Earth.


Comment: Other strange events are happening here at home and elsewhere.


X

Maryland, US: Hundreds of dead birds on I-95 in Laurel

Hundreds of birds just dropped from the sky and landed onto I-95 Wednesday, bringing afternoon rush hour traffic to a crawl.


They were common Starlings, and while there were a few in the grass and on the shoulders of the highway, the vast majority landed right on the northbound travel lanes in Laurel.

"We were just kind of curious about running them over and getting them stuck in your tires and all that nastiness," says Tammy Johnson.

"I travel this all the time and have never seen anything like that before," says Ray Wheltle.

Traffic backed up as drivers slowed down out of concern for the birds and their cars.

Snowflake

Ukraine's death toll from cold spell reaches 151

In most cases, people died because they were under the influence of alcohol, which increases the risk of hypothermia
Image
© Anatolii Stepanov/Reuters
People spend time in a snow-covered park in Kiev Feb. 16, 2012.
Kiev - Health officials say 151 people have died in the Ukraine during Eastern Europe's record-breaking cold spell, with alcohol regularly a contributing factor. The health ministry said Thursday that nearly 4,000 others have been hospitalized with hypothermia and frostbite.

Emergency officials say in 90 percent of cases, people died because they were under the influence of alcohol, which increases the risk of hypothermia and generally decreases a person's ability to feel and respond to the cold. The cold spell has prompted authorities to close nurseries, schools and colleges across the country. Heavy snowfalls have also caused power outages and trapped hundreds of vehicles on motorways in southern Ukraine, as well as several ships in the Sea of Azov.

Igloo

Netherlands - Deep Freeze Turns Amsterdam Canals into Skating Rinks

Frozen Canal
© OurAmazingPlanet
For the second time in three years, Amsterdam's famous canals have frozen. You know what that means? It's time to lace up the ice skates.

After temperatures dropped to 14 degrees Fahrenheit (minus 10 degrees Celsius) this past weekend, Dutch young and old flocked to the city's famous waterways, gliding across the frozen surfaces on ice skates. The canals also froze in 2010, which was the first time it happened in more than a decade. When this year's freeze was imminent, Dutch authorities closed the canals to motorized traffic, quickening the freeze. A video of the action shows one of the few bright spots in an otherwise brutal European winter. Across the continent, hundreds have died from exposure to the cold.

Amsterdam's frozen canals are the latest European waterway to freeze this winter. Earlier this month, Venice's famous canals froze, a rare feat. Europe's second-longest river, the Danube, has also frozen. At least four Balkan nations suspended shipping on the Danube yesterday (Feb. 14) because of heavy ice on the river.

Igloo

US: Hurricane-Force Storm Smacks Alaska

Image
© NOAA
A hurricane-force storm hits Alaska on Feb. 14, 2012
Alaska's wild winter has been relentless, with yet another hurricane-strength blizzard smacking the state yesterday (Feb. 14).

The lower 48 states have had an unusually mild winter, but Alaska has been buried under snow and shivering in frigid temperatures.

Temperatures in some towns have dipped to a whopping 30 degrees below average for this time of year. So much snow had fallen in the town of Cordova in January that Alaska's National Guard had to help dig residents out. The tiny village of Nome needed an emergency shipment of fuel after its final shipment for the winter was blown off course by another fierce storm.

A climate pattern known as the Pacific Decadal Oscillation is influencing this wicked winter, as it tends to keep Alaska cooler than normal. La Niña, a cooling of the waters of the equatorial Pacific, has also been in play, and it also typically creates colder temperatures for Alaska.

Bizarro Earth

US: Oregon's Offshore Earthquake of February 2012: One of the Largest Recorded in the State

Image
© USGS
The Earth moved for many over this Valentine's Day, but not due to romance - a magnitude 6.0 earthquake struck around 250 km off the west coast of Oregon on February 14, 2012. The Valentine's Day quake is notable not only for its size (it is one of the largest ever to have occurred in the state or off its coast) but also in terms of the complex tectonic setting in which it occurred.

The Oregon Earthquake of February 2012

The Oregon earthquake occurred on an ocean ridge, at a divergent boundary - where new crust is created by upward movement of hot and buoyant rock from the earth's interior - between two of the large slabs of crust (tectonic plates) which make up the surface of the earth. Preliminary information from the United States Geological Survey (USGS) shows that the quake occurred at a depth of 10km on the fracture zone associated with the Juan de Fuca Ridge, which marks the western boundary of the Juan de Fuca microplate.

Bizarro Earth

Peru: Earthquake Magnitude 4.8 Earthquake - Lima

Peru seism
© USGS
The USGS has reported a 4.8 magnitude earthquake has struck LIMA, Peru on Monday, February 13, 2012 at 11:42:20 PM . The epicenter was located approximately:

37 km (23 miles) SSE (161°) from LIMA, Peru
145 km (90 miles) NW (323°) from Chincha Alta, Peru
163 km (102 miles) SSE (153°) from Huacho, Peru

At a depth of 42.4 km (26.3 miles). There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold. You can read the full LIMA, Peru earthquake details here.

Question

Not Fully Understood Disturbance Rippled Through Earth's Magnetic Field

Magnetometer Data
© Dave Gradwell
There was a spike in my magnetometer data at about 21:00UT on the 14th. Possible impact of that CME?
For reasons not fully understood by forecasters, a disturbance rippled through Earth's magnetic field on Feb. 14th. Perhaps it was Cupid's arrow. The impact sparked some sweet lights around the Arctic Circle:

Aurora on Valentine's Day
© Chad Blakley
Image Taken: Feb. 14, 2012
Location: Aurora Sky Station, Abisko National Park, Sweden
"On several occasions the sky was full of auroras from horizon to horizon," says photographer and aurora tour guide Chad Blakley of Abisko National Park, Sweden. "We had many happy couples celebrating with us tonight. Most of our guests agreed that it was the best Valentine's day that they had ever shared together."

There has been some speculation that the display was caused by a CME, launched from the sun on Feb. 10th and reaching Earth on Feb. 14th. However, there is no clear signature of a CME impact in local solar wind data.

Bizarro Earth

US: Earthquake Magnitude 6.0 - Off Coast of Oregon

Oregon Quake_150212
© USGS
Earthquake Location
Date-Time:
Wednesday, February 15, 2012 at 03:31:20 UTC

Tuesday, February 14, 2012 at 07:31:20 PM at epicenter

Time of Earthquake in other Time Zones

Location:
43.536°N, 127.381°W

Depth:
10 km (6.2 miles)

Region:
OFF THE COAST OF OREGON

Distances:
256 km (159 miles) W of Coos Bay, Oregon

293 km (182 miles) WSW of Newport, Oregon

302 km (187 miles) NW of Brookings, Oregon

380 km (236 miles) WSW of SALEM, Oregon