[Ips-dhfpr] SWS Daily HF Prop Report - 28 April 22 issued 2330 UT on 28 Apr 2022 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Fri Apr 29 09:30:54 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 APRIL 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (28 APRIL)
Date T index Conditions
28 Apr 94 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 25% during local day.
Enhanced by 25% during local night.
Enhanced by 45% after local dawn.
Niue Island Region:
Enhanced by 15% during local day.
Enhanced by 20% during local night.
Enhanced by 30% after local dawn.
Northern Australian Region:
Enhanced by 20% during local day.
Enhanced by 25% during local night.
Enhanced by 45% after local dawn.
Southern Australian Region:
Enhanced by 30% during local day.
Enhanced by 25% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Mar 64
Apr 46
May 49
2. FORECAST (29 APRIL - 01 MAY)
Date T index Conditions MUFs
29 Apr 95 Normal-fair Near to 25% above predicted
monthly values
30 Apr 80 Fair-normal Near to 15% above predicted
monthly values
01 May 80 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 28 Apr were
mostly above monthly predicted values. MUFs are expected to be
15-30% above monthly predicted values on 29 Apr to 1 May due
to high levels of solar ionising flux. Mild MUF depressions are
expected on 30 Apr to 1 May due to anticipated disturbed conditions,
but will still be above monthly predicted values. Short-wave
fadeouts are possible for the next 24 hours.
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For an explanation of some of the terms in this report, go to
https://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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