[Ips-dhfpr] SWS Daily HF Prop Report - 17 February 19 issued 2330 UT on 17 Feb 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Mon Feb 18 10:30:21 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 FEBRUARY)
Date T index Conditions
17 Feb -10 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 60% 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 -27
Feb -12
Mar -13
2. FORECAST (18 FEBRUARY - 20 FEBRUARY)
Date T index Conditions MUFs
18 Feb -10 Normal Near predicted monthly values
19 Feb -5 Normal Near predicted monthly values
20 Feb -10 Normal Near predicted monthly values
COMMENT: On UT day 17 February, MUFs were mostly near monthly
predicted levels over the Australian region. Moderate enhancements
were observed in Northern Australian region during local night.
During the next three UT days, 18-20 February, MUFs are expected
to be mostly near monthly predicted levels. However, mild to
moderate depressions are possible due to continued very low levels
of ionising radiation from the Sun.
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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
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