[Ips-dhfpr] SWS Daily HF Prop Report - 22 October 18 issued 2330 UT on 22 Oct 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Tue Oct 23 10:30:19 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 OCTOBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 OCTOBER)
Date T index Conditions
22 Oct -14 Normal
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
2. FORECAST (23 OCTOBER - 25 OCTOBER)
Date T index Conditions MUFs
23 Oct -10 Normal Near predicted monthly values
24 Oct -15 Normal-fair Near predicted monthly values/depressed
10 to 30%
25 Oct -12 Normal-fair Near predicted monthly values/depressed
10 to 20%
COMMENT: MUFs over the Australian and Antarctic regions were
mainly near monthly predicted levels on UT day 22 October with
some periods of minor to mild depressions in the Northern regions.
HF conditions are expected to remain mostly normal on UT day
23 October. Minor to moderate degradations in HF conditions and
MUF depressions may be possible on UT days 24 and 25 October
in the Aus/NZ regions due to expected rise in geomagnetic activity
levels on these days.
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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