[Ips-dhfpr] SWS Daily HF Prop Report - 21 April 21 issued 2330 UT on 21 Apr 2021
Regional Warning Centre
rwc at ips.gov.au
Thu Apr 22 09:30:15 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 APRIL 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 APRIL)
Date T index Conditions
21 Apr 15 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
No data available.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% 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
Mar 9
Apr 19
May 23
2. FORECAST (22 APRIL - 24 APRIL)
Date T index Conditions MUFs
22 Apr 20 Normal Near predicted monthly values
23 Apr 10 Normal Near predicted monthly values/depressed
10 to 20%
24 Apr 15 Normal Near predicted monthly values/depressed
10 to 20%
COMMENT: MUFs in the Australian region on UT day 21 April were
mostly near predicted monthly values with some mild depressions
in the Northern Australian region during the local night. MUFs
are expected to be near predicted monthly values on UT day 22
April. Minor to mild MUF depressions are possible on UT days
23-24 April due to a possible rise in geomagnetic activity.
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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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