[Ips-hf-warning] IPS HF COMMS WARNING issued 2306 UT on 16 Apr 2016 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 16/19
ISSUED AT 2306UT/16 APRIL 2016
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Possible MUF depressions on 17-Apr if IMF Bz has further extended 
southward periods, and during 18-19 Apr from an expected increase 
in geomagnetic activity due to coronal hole effects.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 17-19 APRIL 2016
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
_____________________________________________________________
17 Apr:   25   normal/-30%      2  4  6  6  8 12 16 16
18 Apr:   35   normal/-20%      2  4  6  8  8 12 16 16
19 Apr:   25   normal/-30%      2  4  6  6  8 12 16 16

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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