[Ips-dhfpr] SWS Daily HF Prop Report - 10 November 17 issued 2330 UT on 10 Nov 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sat Nov 11 10:30:27 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 NOVEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 NOVEMBER)
Date T index Conditions
10 Nov -22 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Depressed by 30% after local dawn.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 25% during local night.
Depressed by 25% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Oct 4
Nov 5
Dec 4
2. FORECAST (11 NOVEMBER - 13 NOVEMBER)
Date T index Conditions MUFs
11 Nov -20 Normal-fair Depressed 15%/near predicted
monthly values
12 Nov -15 Normal Near predicted monthly values/depressed
10 to 20%
13 Nov -10 Normal Near predicted monthly values/depressed
10 to 15%
COMMENT: SWS HF Communications Warning 47 was issued on 10 November
and is current for 11 Nov only. Over the last 24 hours in the
Australian/NZ region MUFs were near predicted monthly values
or depressed by 15%-30% as a consequence of the increased geomagnetic
activity. Similar HF conditions are expected for 11 Nov.
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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 bom.gov.au
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