[Ips-dhfpr] SWS Daily HF Prop Report - 10 May 21 issued 2330 UT on 10 May 2021
Regional Warning Centre
rwc at ips.gov.au
Tue May 11 09:30:11 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 MAY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 MAY)
Date T index Conditions
10 May 8 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 15% during local day.
Enhanced by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Apr 12
May 21
Jun 24
2. FORECAST (11 MAY - 13 MAY)
Date T index Conditions MUFs
11 May 5 Normal Near predicted monthly values/depressed
10 to 20%
12 May 5 Normal Near predicted monthly values/depressed
10 to 20%
13 May 5 Normal Near predicted monthly values/depressed
10 to 20%
COMMENT: SWS SWF HF Communications Warning 13 was issued on 8
May and is current for 9-11 May. MUFs in the Australian region
on UT day 10 May were mostly near predicted monthly values with
some moderate depressions during the local day. There were also
some moderate enhancements in the South Australian and Antarctic
regions during the local night. In the Australian region, MUFs
are expected to be mostly near predicted monthly values on UT
days 11-13 May with possible mild depressions. Fadeouts are possible
in the sunlit regions.
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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
Bureau of Meteorology
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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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