[ips-sf] SWS Summary Forecast for 21 December - issued 2348UT/20-Dec-2021

[rwc]

Low to Moderate solar flare activity activity forecast for 21Dec.
Minor coronal hole effects in progress resulting in Moderate to Strong
solar wind speeds. Geomagnetic conditions at Quiet to Unsettled levels
initially with possible Active periods due to additional coronal hole
effects.. Short-wave radio fadeouts possible. High-frequency radio
communications mostly normal for low latitudes, possible depressed
conditions for mid to high latitudes. Chance of Aurora sightings from
southern-most regions should coronal hole effects eventuate.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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