[Ips-hf-warning] SWS HF COMMS WARNING issued 0436 UT on 29 Oct 2021

[rwc]

SUBJ: SWS PRELIMINARY HF RADIO COMMUNICATIONS WARNING 21/28
ISSUED AT 0435UT/29 OCTOBER 2021
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Mild depressions are possible on 30 Oct and moderate depressions 
are likely on 31 Oct, all due to the expected increase in geomagnetic 
activity because of the 28 Oct CME associated with the X1.0 flare 
from AR2887.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 30-31 OCTOBER 2021
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
A MORE DETAILED HF WARNING WILL FOLLOW IF DEPRESSIONS 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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