[Ips-dhfpr] SWS Daily HF Prop Report - 29 October 18 issued 2330 UT on 29 Oct 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Tue Oct 30 10:30:22 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 OCTOBER 2018 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 -24 Normal
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Southern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
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 (30 OCTOBER - 01 NOVEMBER)
Date T index Conditions MUFs
30 Oct -25 Normal Near predicted monthly values
31 Oct -30 Normal Depressed 15%/near predicted
01 Nov -20 Normal Near predicted monthly values
COMMENT: SWS HF Communications Warning 10 was issued on 28 October
and is current for 29-31 Oct. MUFs over the Australian regions
were mainly from near monthly predicted levels to depressed by
around 35% on UT day 29 October. Very low levels of ionisation
radiation from the Sun seems to be the main reason for these
MUF depressions. Minor depressions to near monthly predicted
MUFs are expected in the Aus/NZ regions for the next three days
(UT days 30 October - 1 November).
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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