[Ips-dhfpr] SWS Daily HF Prop Report - 15 February 20 issued 2331 UT on 15 Feb 2020
Regional Warning Centre
rwc at ips.gov.au
Sun Feb 16 10:31:23 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 FEBRUARY)
Date T index Conditions
15 Feb -3 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
Enhanced by 25% after local dawn.
Southern Australian Region:
Mostly near predicted monthly values.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jan -20
Feb -16
Mar -16
2. FORECAST (16 FEBRUARY - 18 FEBRUARY)
Date T index Conditions MUFs
16 Feb -10 Normal Near predicted monthly values
17 Feb -10 Normal Near predicted monthly values
18 Feb -10 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) for UT day 15 February
were mainly near predicted monthly values for the Australian
region. Periods of mild enhancements in MUFs were observed in
the Southern Australian region. Sporadic-E occurrences were observed
at some sites. Similar levels of ionospheric support are expected
for the next three days, 16-18 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
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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