[Ips-hf-warning] SWS HF SWF COMMS WARNING issued 0423 UT on 11 Sep 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 17/40
ISSUED AT 0423UT/11 SEPTEMBER 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Region 2673 produced another strong X8 flare at 1606UT 10 September 
while on the west limb. M-class flares with a chance of another 
X-class flare may be observed over the next few hours from this 
region before fully disappearing over the western limb.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 11 SEPTEMBER 2017
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
11 Sep:  Moderate to high     Probable

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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