[Ips-dhfpr] SWS Daily HF Prop Report - 26 May 21 issued 2330 UT on 26 May 2021
Regional Warning Centre
rwc at ips.gov.au
Thu May 27 09:30:11 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 MAY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (26 MAY)
Date T index Conditions
26 May 12 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
No data available.
Northern Australian Region:
Depressed by 15% 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.
PCA Event : No event.
Monthly T index:
Month T index
Apr 12
May 21
Jun 24
2. FORECAST (27 MAY - 29 MAY)
Date T index Conditions MUFs
27 May 0 Normal-fair Depressed 10 to 30%/near predicted
monthly values
28 May 10 Normal-fair Near predicted monthly values/depressed
10 to 20%
29 May 15 Normal Near predicted monthly values
COMMENT: SWS HF Communications Warning 17 was issued on 25 May
and is current for 26-27 May. MUFs in the Australian region on
UT day 26 May were mostly near predicted monthly values with
some minor depressions in the Northern Australian region during
the local day. Some mild to moderate MUF depressions are possible
on UT day 27 May due to the increase in geomagnetic activity.
Mild MUF depressions are possible on UT day 28 May, followed
by mostly normal HF propagation conditions on UT day 29 May.
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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
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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