http://www.space.com/scienceastronom...lar_storm.html

--
Telamon
Ventura, California

"Telamon" wrote in message
...

http://www.space.com/scienceastronom...lar_storm.html

--
Telamon
Ventura, California

How does something like this affect power grids?

"Telamon" sprache

http://www.space.com/scienceastronom...lar_storm.html


Watch this page: http://www.sec.noaa.gov/SWN/index.html

Pay attention to the Magnetic Field Bz component dial.
As it looks at this very moment, it shows a slightly reversed (S) magnetic
field relative to earth's N/S magnetic poles.
If this trend continues geomagnetic activity will increase.

See http://www.sec.noaa.gov/SWN/sw_dials.html

Magnetic Field Bz dial:

Ranges from -50 to +50 nT. The dial is a linear scale from -10 to +10 nT and
a different linear scale from -10 to -50 nT and +10 to +50 nT. For values
beyond the maximum and minimum, the arrow will stay pegged at the maximum or
minimum. If the magnetic field data are missing, the arrow will not appear.
The arrow will move to the location on the scale corresponding to the actual
value of the latest 15 minute average of the Bz component of the magnetic
field vector. The letters N and S refer to North and South of the magnetic
equator. The color bar indicates green for positive values, yellow for small
negative values , and red for large negative values of Bz.

Why Bz is so important:
When the interplanetary magnetic field turns south compared to the Earth's
magnetic field, geomagnetic activity will increase. As the Bz (Southward
pointed) value becomes more negative, the associated geomagnetic activity
increases.

"JoeSpareBedroom" wrote in message
...
"Telamon" wrote in message

...

http://www.space.com/scienceastronom...lar_storm.html

--
Telamon
Ventura, California

How does something like this affect power grids?


Similiar to an EMP?

Look for the Aurora tonight

http://www.sec.noaa.gov/alerts/warnings_timeline.html

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2006 Dec 14 1405 UTC
Valid To: 2006 Dec 14 2359 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate

WATCH: Geomagnetic A-index of 50 or greater predicted
Valid for UTC Day: 2006 Dec 14

http://www.sec.noaa.gov/SWN/index.html
http://www.sec.noaa.gov/radio/

In article ,
"JoeSpareBedroom" wrote:

"Telamon" wrote in message
...

http://www.space.com/scienceastronom...lar_storm.html

--
Telamon
Ventura, California

How does something like this affect power grids?

I'm no expert in this sort of thing but my understanding is that
voltages are induced of long conductors such as the power grid with its
many miles of lines and oil or gas systems with its many miles of pipes.

These induced voltages can drive destructive currents in the
aforementioned systems.

--
Telamon
Ventura, California

In article ,
"Guerite" wrote:

"Telamon" sprache

http://www.space.com/scienceastronom...lar_storm.html


Watch this page: http://www.sec.noaa.gov/SWN/index.html

Pay attention to the Magnetic Field Bz component dial.
As it looks at this very moment, it shows a slightly reversed (S) magnetic
field relative to earth's N/S magnetic poles.
If this trend continues geomagnetic activity will increase.

See http://www.sec.noaa.gov/SWN/sw_dials.html

Magnetic Field Bz dial:

Ranges from -50 to +50 nT. The dial is a linear scale from -10 to +10 nT and
a different linear scale from -10 to -50 nT and +10 to +50 nT. For values
beyond the maximum and minimum, the arrow will stay pegged at the maximum or
minimum. If the magnetic field data are missing, the arrow will not appear.
The arrow will move to the location on the scale corresponding to the actual
value of the latest 15 minute average of the Bz component of the magnetic
field vector. The letters N and S refer to North and South of the magnetic
equator. The color bar indicates green for positive values, yellow for small
negative values , and red for large negative values of Bz.

Why Bz is so important:
When the interplanetary magnetic field turns south compared to the Earth's
magnetic field, geomagnetic activity will increase. As the Bz (Southward
pointed) value becomes more negative, the associated geomagnetic activity
increases.

Yes, I'm aware of this web page and I do monitor it. All shortwave
listeners should do this.

--
Telamon
Ventura, California

Do you have a little Compass? Set it some where and watch to see if the
needle jumps around.
cuhulin

"Telamon" wrote in message
...
In article ,
"JoeSpareBedroom" wrote:

"Telamon" wrote in message
...

http://www.space.com/scienceastronom...lar_storm.html

--
Telamon
Ventura, California

How does something like this affect power grids?

I'm no expert in this sort of thing but my understanding is that
voltages are induced of long conductors such as the power grid with its
many miles of lines and oil or gas systems with its many miles of pipes.

These induced voltages can drive destructive currents in the
aforementioned systems.

--
Telamon
Ventura, California

Amazing. To me, at least.

Telamon,

Conditions here in Uxbridge, MA were very good last (Thursday) night.
Actually I was thinking the best I have had here - I am a newbie so
maybe easily impressed - dunno. Likewise early Thursday at sunup they
were very good. Does yesterday's magnetic index support the clear long
bands I had here?

73
NEO

Telamon wrote:
http://www.space.com/scienceastronom...lar_storm.html

--
Telamon
Ventura, California