[Ips-hf-warning] SWS HF COMMS WARNING issued 0120 UT on 01 Feb 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 17/13
ISSUED AT 0117UT/01 FEBRUARY 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

The Earth is currently under the influence of the elevated solar 
wind associated with a recurrent coronal hole. Depressed MUFs 
are expected due to increased geomagnetic activity caused by 
the coronal hole.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 01-02 FEBRUARY 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
_____________________________________________________________
01 Feb:   -9          -15%      2  4  6  8 12 12 16 22
02 Feb:   -9          -15%      2  4  6  8 12 12 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 

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