[Ips-dhfpr] SWS Daily HF Prop Report - 29 October 16 issued 2331 UT on 29 Oct 2016 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sun Oct 30 10:31:03 EST 2016
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 OCTOBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (29 OCTOBER)
Date T index Conditions
29 Oct 26 Normal-fair
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Depressed by 25% after local dawn.
Niue Island Region:
Enhanced by 35% during local day.
Enhanced by 25% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Depressed by 15% during local day.
Depressed by 25% during local night.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
2. FORECAST (30 OCTOBER - 01 NOVEMBER)
Date T index Conditions MUFs
30 Oct 10 Normal-fair Near predicted monthly values/depressed
15 to 25%
31 Oct 10 Normal Near predicted monthly values/depressed
10 to 25%
01 Nov 20 Normal Near predicted monthly values/depressed
5 to 20%
COMMENT: SWS HF Communications Warning 49 was issued on 27 October
and is current for 28-30 Oct. Normal to depressed MUFs were observed
for the UT day, 29 October, in the Aus/NZ region. Current depressions
are associated with low levels of ionising radiation and geomagnetic
activity resulting in ionospheric storming. Expect these conditions
to prevail for the next three days with some degradation in HF
communication. Note, there were periods of sporadic E observed
in the Australian region, particularly over Hobart station between
For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
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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