SB PROP @ ARL $ARLP010
ARLP010 Propagation de K7RA

ZCZC AP10
QST de W1AW 
Propagation Forecast Bulletin 10 ARLP010
From Tad Cook, K7RA
Seattle, WA March 11, 2022
To all radio amateurs 

SB PROP ARL ARLP010
ARLP010 Propagation de K7RA

On March 11 at 0431 UTC Australia's Space Forecast Centre issued
this warning:

"A slow coronal mass ejection has been observed late on 10 march,
and event modeling suggests arrival at the Earth late on 13 March.
Increased geomagnetic activity is expected for 14 March 2022."

We observed an active Sun this week. Geomagnetic indicators peaked
on Saturday, March 5 when Alaska's high latitude college A index
reached 42.

Again this week, sunspots covered the Sun every day. Average daily
sunspot numbers rose from 44 to 87.4, and average daily solar flux
went from 98.5 to 1
		
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