[Ips-dhfpr] SWS Daily HF Prop Report - 20 September 21 issued 2330 UT on 20 Sep 2021
Regional Warning Centre
rwc at ips.gov.au
Tue Sep 21 09:30:59 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 SEPTEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 SEPTEMBER)
Date T index Conditions
20 Sep 14 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Depressed by 15% during local night.
Niue Island Region:
No data available.
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
Aug 14
Sep 27
Oct 30
2. FORECAST (21 SEPTEMBER - 23 SEPTEMBER)
Date T index Conditions MUFs
21 Sep 15 Normal Near predicted monthly values
22 Sep 20 Normal Near predicted monthly values
23 Sep 15 Normal Near predicted monthly values
COMMENT: MUFs in the Australian region on UT day 20 September
were mostly near predicted monthly values. Mild to moderate depressions
were observed in the Northern Australian region during local
day. MUFs in the Australian region on 21-23 September are expected
to be mostly near predicted monthly values.
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For an explanation of some of the terms in this report, go to
https://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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