[Ips-dhfpr] IPS Daily HF Prop Report - 08 December 15 issued 2330 UT on 08 Dec 2015 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Wed Dec 9 10:30:44 EST 2015
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 DECEMBER 2015 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (08 DECEMBER)
Date T index Conditions
08 Dec 27 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 15% 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
Nov 55
Dec 63
Jan 63
2. FORECAST (09 DECEMBER - 11 DECEMBER)
Date T index Conditions MUFs
09 Dec 30 Normal 15 to 20% below predicted monthly
values
10 Dec 30 Fair 15 to 20% below predicted monthly
values
11 Dec 20 Normal 20 to 30% below predicted monthly
values
COMMENT: IPS HF Communications Warning 77 was issued on 7 December
and is current for 8-10 Dec. Degraded HF conditions were observed
during the UT day, 08 December, over the Australasian region
due to low levels of ionising radiation and elevated geomagnetic
activity. Isolated periods of blanketing sporadic-E conditions
continue to be observed in the southern Australian region. Expect
minor depressions today and tomorrow with possible degraded conditions
on 11 December due to an increase in geomagnetic activity.
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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 ips.gov.au
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