ARRL Headquarters was closed for the holiday last Thursday and Friday, so this bulletin is delayed until Monday, but has fresh content from Sunday night.
At 2228 UTC on November 27, the Australian Space Weather Forecasting Centre issued a geomagnetic disturbance warning. “A coronal hole wind stream is expected to induce G1 periods of geomagnetic activity from mid-30 – November to 01-December.”
So…