[HCDX] ALERT

[Tomas Hood - NW7US <nw7us@xxxxxxxxxxx>]

16 September, 2000

Two full-halo coronal mass ejections (CMEs) occurred on September
15, 2000, and a third CME on September 16, 2000 has been observed
as the brightest of the three.  These were associated with solar
flares (M5-class for the latest of the three CMEs).  Due to the
complex delta magnetic field in the Sunspot group 9165, there is a
good chance for further eruptions.

Those who wish to experience Aurora (visual as well as the radio
propagation mode) should be on the lookout from this point
forward.  At the time of writing, the Aurora index is 10, the
highest level.

:ALERTS:

Magnetic K-Index of 4 Warning valid from 16 September, 2000 1800Z
to 17 September, 2000 1500Z. Magnetic A-Index >=30 Watch for 19
September, 2000Z.  Magnetic A-Index >=30 Watch for 20 September,
2000Z.

Report by NW7US, http://hfradio.org/propagation.html

-- 
73 de NW7US, Tomas

NW7US@n7fsp.#sea.#wwa.wa.usa.noam
nw7us@xxxxxxxxxxx

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