[Ips-hf-warning] SWS HF COMMS WARNING issued 0622 UT on 10 May 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 17/25
ISSUED AT 0621UT/10 MAY 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Possible increase in geomagnetic activity in the next 24 hours 
may result in depressed MUFs for high to mid latitudes.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 10 MAY 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
_____________________________________________________________
10 May:    5     normal/-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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