[Ips-dhfpr] SWS Daily HF Prop Report - 27 May 22 issued 2330 UT on 27 May 2022 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Sat May 28 09:30:52 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 MAY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 MAY)
Date T index Conditions
27 May 71 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 30% during local day.
Enhanced by 25% during local night.
Niue Island Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values.
Enhanced by 30% after local dawn.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Apr 77
May 51
Jun 54
2. FORECAST (28 MAY - 30 MAY)
Date T index Conditions MUFs
28 May 70 Normal-fair Near to 20% above predicted
monthly values
29 May 70 Normal Near to 20% above predicted
monthly values
30 May 70 Normal Near to 20% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 27 May were
near monthly predicted. Enhancements to at least 30% were observed
at times at Darwin, Cocos Is. and Niue. Night time spread F was
observed at Hobart. MUFs are expected to be mostly near monthly
predicted values to mildly enhanced during 28-30 May. There is
the chance of shortwave fadeouts over the forecast period.
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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
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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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