[Ips-dhfpr] SWS Daily HF Prop Report - 08 February 19 issued 2330 UT on 08 Feb 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sat Feb 9 10:30:20 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (08 FEBRUARY)
Date T index Conditions
08 Feb -10 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 35% during local night.
Niue Island Region:
Depressed by 30% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values.
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 -27
Feb -12
Mar -13
2. FORECAST (09 FEBRUARY - 11 FEBRUARY)
Date T index Conditions MUFs
09 Feb -15 Normal-fair Near predicted monthly values/depressed
10 to 25%
10 Feb -15 Normal-fair Near predicted monthly values/depressed
10 to 20%
11 Feb -12 Normal-fair Near predicted monthly values/depressed
5 to 15%
COMMENT: On UT day 08 February, MUFs were near monthly predicted
levels across most parts of Australian/NZ regions. Periods of
moderate MUF depressions as well as enhancements were observed
in the northern areas. Minor MUF depressions were observed in
the Antarctic region too. Strong sporadic E layers were also
observed. Minor to moderate MUF depressions and degradations
in HF conditions may be observed in the Aus/NZ regions for the
next three days (UT days 09 to 11 February) due to continued
very low levels of ionising radiation from the Sun and possible
enhancements in geomagnetic activity levels through this period.
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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
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