[Ips-dhfpr] SWS Daily HF Prop Report - 20 November 19 issued 2331 UT on 20 Nov 2019
Regional Warning Centre
rwc at ips.gov.au
Thu Nov 21 10:31:34 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 NOVEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 NOVEMBER)
Date T index Conditions
20 Nov -32 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Enhanced by 20% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
No data available during local night.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 25% 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
Oct -20
Nov -16
Dec -17
2. FORECAST (21 NOVEMBER - 23 NOVEMBER)
Date T index Conditions MUFs
21 Nov -40 Fair Near predicted monthly values/depressed
20 to 50%
22 Nov -40 Fair Near predicted monthly values/depressed
20 to 50%
23 Nov -35 Normal-fair Near predicted monthly values/depressed
20 to 40%
COMMENT: MUFs in the Australian region were mostly near monthly
predicted values to depressed by up to 25%. Some periods of minor
MUF enhancements were also observed in the northern areas of
this region. MUFs in the Antarctic region were near monthly predicted
values. Minor to moderate MUF depressions may be observed in
the Australian region during the next 3 UT days, 21 to 23 November.
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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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