[Ips-dhfpr] SWS Daily HF Prop Report - 25 April 21 issued 2333 UT on 25 Apr 2021
rwc
rwc at ips.gov.au
Mon Apr 26 09:33:46 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 APRIL 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 APRIL)
Date T index Conditions
25 Apr 24 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
No data available.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Mar 9
Apr 19
May 23
2. FORECAST (26 APRIL - 28 APRIL)
Date T index Conditions MUFs
26 Apr 10 Normal-fair Near predicted monthly values/depressed
10 to 20%
27 Apr 10 Normal-fair Near predicted monthly values/depressed
10 to 20%
28 Apr 20 Normal Near predicted monthly values
COMMENT: SWS HF Communications Warning 12 was issued on 24 April
and is current for 25-27 Apr. MUFs in the Australian region on
UT day 25 April were mostly near predicted monthly values. Minor
MUF depressions are possible on UT days 26-27 April due to the
rise in geomagnetic activity. MUFs are expected to be mostly
near predicted monthly values on UT day 28 April.
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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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