[Ips-hf-warning] SWS HF COMMS WARNING issued 0032 UT on 06 Jan 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 17/02
ISSUED AT 0031UT/06 JANUARY 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

The Earth's ionosphere is currently under the influence of disturbed 
solar winds associated with a recurrent coronal hole. The HF 
depressions are currently been experienced in the high latitude 
regions mostly in the Southern hemisphere. Over the next two 
days (6-7 January), the high latitude depressions are expected 
to extend into the low latitude regions. This effect is expected 
to be more prominent in the Southern hemisphere. HF users are 
advised to use lower than the monthly predicted frequencies for 
the next three days (6-8 January).

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 06-08 JANUARY 2017
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS
       T-index      MUFs        2  4  6  8 12 16 22 26
_____________________________________________________________
06 Jan:  -10          -14%      2  4  6  8 12 12 16 22
07 Jan:   -5          -11%      2  4  6  8 12 16 16 22
08 Jan:   -5          -11%      2  4  6  8 12 16 16 22

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 

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 SWS.  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.