[Ips-dhfpr] SWS Daily HF Prop Report - 11 May 21 issued 2330 UT on 11 May 2021
Regional Warning Centre
rwc at ips.gov.au
Wed May 12 09:30:11 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 MAY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 MAY)
Date T index Conditions
11 May 14 Normal
Cocos Island Region:
No data available.
Niue Island Region:
Mostly near predicted monthly values.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 15% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
2. FORECAST (12 MAY - 14 MAY)
Date T index Conditions MUFs
12 May 10 Normal Near predicted monthly values
13 May 5 Normal-fair Near predicted monthly values/depressed
10 to 20%
14 May 5 Normal Near predicted monthly values/depressed
10 to 15%
COMMENT: MUFs in the Australian region on UT day 11 May were
mostly near predicted monthly values with some mild to moderate
depressions. There were also some mild to moderate enhancements
in the South Australian and Antarctic regions. In the Australian
region, MUFs are expected to be mostly near predicted monthly
values on UT day 12 May. Then mild to moderate MUF depressions
are possible on UT days 13-14 May due to the expected increase
in geomagnetic activity.
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
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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