[Ips-hf-warning] IPS HF SWF COMMS WARNING issued 0052 UT on 24 Dec 2015 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 15/84
ISSUED AT 0052UT/24 DECEMBER 2015
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Strong M-class flares and a number of smaller C-class flares 
were observed during the past 2 days, associated with Region 
2472 and Region 2473. Both these active regions are near the 
east limb and rotating towards and rotating towards more direct 
Earth facing position. There is a chance of isolated shortwave 
fadeouts for the next two days due to flaring potential from 
these active sunspot regions.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 24-26 DECEMBER 2015
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
24 Dec:  Low to moderate      Possible
25 Dec:  Low to moderate      Possible
26 Dec:  Low to moderate      Possible

Space Weather Services              email: asfc at ips.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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of IPS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
To unsubscribe from an IPS mail list either send an email to 
"MAIL_LIST"-leave at ips.gov.au or go to
http://www.sws.bom.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://www.sws.bom.gov.au/mailman/listinfo/ips-training.
General information is available from
http://www.sws.bom.gov.au/mailman/listinfo/ips-info.