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Thursday, March 8, 2012

IMF turning Southwards, Strong Geomagnetic Storming favored!

SEVERE SOLARWX
Akshay Deoras
Severe Weather Forecaster

The Strong Geomagnetic Impulse i.e CME striking the Earth didn't produce a much elevated storming as was expected as the Inter-planetary Magnetic Field (IMF) was at North polarity. A much of annihilation to the CME impact is caused by Northward IMF polarity which opposes the Geomagnetic Storming. However as the IMF's Bz vector turns southward, the surface North to South geomagnetic field of the earth and the opposite oriented IMF reconnects and transfer of energy takes place which enables pouring in of the solar wind,subsequent triggering of Auroras and Geomagnetic Storming. 

Since the total momentum of the impact was high, it can be expected that the ongoing G1 Geomagnetic Storm will elevate to G2 or even G3 depending on the total tenure for which IMF 's Bz vector trips South! 



As seen from the above ACE plot, the second plot from top ( represented in yellow) represents the Bz component of the IMF which when the CME impacted ( See for 11 GMT) elevated to the North! 

The Bz is now nearly 0 or turning Southwards which will improve overall Geomagnetic Activity

Stay tuned for alerts!




Akshay Deoras
Severe Earth & Space Weather Forecaster,Astrophysics article writer.

Web-
www.akshaydeoras.blogspot.com
www.metdweather.blogspot.com
        www.scribd.com/akshaydeoras

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