[Ips-dhfpr] SWS Daily HF Prop Report - 22 February 20 issued 2339 UT on 22 Feb 2020
rwc
rwc at ips.gov.au
Sun Feb 23 10:39:13 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 FEBRUARY)
Date T index Conditions
22 Feb -14 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
No data available during local night.
Niue Island Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
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):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jan -20
Feb -16
Mar -16
2. FORECAST (23 FEBRUARY - 25 FEBRUARY)
Date T index Conditions MUFs
23 Feb -15 Normal Near predicted monthly values/depressed
15 to 20%
24 Feb -15 Normal Near predicted monthly values/depressed
15 to 20%
25 Feb -20 Normal Near predicted monthly values/depressed
15 to 20%
COMMENT: Maximum usable frequencies (MUFs) for UT day 22 February
were mostly near predicted monthly values to enhanced, with minor
depressions observed in the Niue Island and Northern Australian
regions during the local day and in the Antarctic region over
the UT day. Sporadic E was observed over most sites. Over the
next 3 UT days, 23-25 February, MUFs are expected to be mostly
near predicted monthly values, with minor depressions up to 20%
possible.
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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.
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