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[ISN] Solar Eruptions Likely to Disrupt Telecommunications This Weekend

From: InfoSec News (isnC4I.ORG)
Date: Sat Mar 31 2001 - 19:29:26 CST


http://ap.tbo.com/ap/breaking/MGAKQVL50LC.html

By Joseph B. Verrengia
The Associated Press
Mar 31, 2001

BOULDER, Colo. (AP) - Intense storms raging on the sun made the night
sky shimmer red and green from Reno, Nev., as far south as Palm
Springs, Calif., and southern New Mexico, and scientists say the
storms could briefly disrupt telecommunications as they continue
through the weekend.

The biggest sunspot cluster seen in at least 10 years has developed on
the upper right quarter of the side of the sun visible from Earth,
according to satellite readings.

Thousands of Nevada residents enjoyed what astronomers called the best
display of the northern lights over the state in at least two decades.

Keith Johnson, associate director of the University of Nevada, Reno's
Fleischmann Planetarium, said he has never seen such a luminous
northern lights display so far south.

As darkness fell Friday night, the skies began to glow red and rays of
light-green-colored light began to appear, he said.

"It was sensational," he said. "You could see some actual color, shape
and structure to the displays. I saw large lumps of light, rays of
light and sheets of light. I even saw some slow motion in them. The
colors were obvious but not very vivid."

Monty Wolf watched the display from Pyramid Lake, 30 miles northeast
of Reno. He said the sky was glowing so much at midnight that it
appeared like sunrise.

"It was spectacular. The grandeur of it was so impressive," he said.
"The crimson looked nice ... The shafts of light kept forming, and
they swirled up and down and shifted side to side."

The light from the solar flares also was reported near cities
including Palm Springs and Sacramento, Calif.; Flagstaff, Ariz.; and
Albuquerque and Carlsbad, N.M.

"It has totally lit up the sky. We've had dozens and dozens of calls.
People want to know what it is," said Bill Seigel, a producer at radio
station KESQ in Palm Desert, 115 miles east of Los Angeles. "Some
people thought it was UFOs."

Just north of Albuquerque, David MacKel was making the rounds at his
security job when he saw the lights. He noted it on his report at
11:23 p.m.

"It was blood red. That's all I can say. It was kind of opaque and you
could see the stars through it," MacKel said. He said he had seen the
Northern Lights while in Alaska, but "the Northern Light move, this
was more gaseous. It kind of got me freaked out."

Eddy County, N.M., Deputy Danny Gonzales described it as a purple
haze. "It was very distinct in color," he said. "I have never seen
anything like it."

Anthony Watts, a meteorologist in Chico, Calif., about 170 miles north
of San Francisco, said the glow from the coronal mass ejection was
interesting, but posed no threat.

"There's no danger, however there is the likelihood that we'll have
radio or television interruptions," Watts said.

The sunspot, which is a cooler, darker region on the sun's surface, is
caused by a concentration of temporarily distorted magnetic fields. It
spawns tremendous eruptions, or flares, into the sun's atmosphere,
hurling clouds of electrified gas toward Earth.

The solar activity can produce an aurora in the night sky, typically
over northern latitudes. The colorful, shimmering glow occurs when the
energetic particles strike the Earth's upper atmosphere.

NASA scientists said a powerful flare that erupted Thursday rated a
class X, the most potent category.

The eruptions triggered a powerful, but brief, blackout Friday on some
high-frequency radio channels and low-frequency navigational signals,
scientists said. They forecast at least a 30 percent chance of
continuing disruptions through Sunday.

In addition to radio disruptions, the charged particles can bombard
satellites and orbiting spacecraft and, in rare cases, damage
industrial equipment on the ground, including power generators and
pipelines.

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