[Ips-dhfpr] SWS Daily HF Prop Report - 14 February 20 issued 2331 UT on 14 Feb 2020
Regional Warning Centre
rwc at ips.gov.au
Sat Feb 15 10:31:36 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 FEBRUARY)
Date T index Conditions
14 Feb -6 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 35% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced 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
Jan -20
Feb -16
Mar -16
2. FORECAST (15 FEBRUARY - 17 FEBRUARY)
Date T index Conditions MUFs
15 Feb -10 Normal Near predicted monthly values
16 Feb -10 Normal Near predicted monthly values
17 Feb -10 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) for UT day 14 February
were mainly near predicted monthly values for the Australian
region. Periods of mild enhancements in MUFs were observed in
the Northern Australian region. Variable conditions were observed
in Equatorial region, with both mild depressions and moderate
enhancements. Sporadic-E occurrences were observed at some sites.
Similar levels of ionospheric support are expected for the next
three days, 15-17 February.
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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
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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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