[Ips-dhfpr] SWS Daily HF Prop Report - 02 February 19 issued 2330 UT on 02 Feb 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sun Feb 3 10:30:24 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 FEBRUARY)
Date T index Conditions
02 Feb -16 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 30% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Enhanced by 20% after local dawn.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 20% during local night.
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 (03 FEBRUARY - 05 FEBRUARY)
Date T index Conditions MUFs
03 Feb -30 Normal-fair Near predicted monthly values/depressed
10 to 30%
04 Feb -20 Normal-fair Near predicted monthly values/depressed
10 to 20%
05 Feb -20 Normal-fair Near predicted monthly values/depressed
10 to 20%
COMMENT: On UT day 02 February, MUFs were near monthly predicted
levels to slightly depressed in the Southern Australian and the
Antarctic regions. MUFs experienced Moderate depressions during
the local day across Cocos Island. Sporadic E layers were over
some Australian ionosonde stations. Similar levels of ionospheric
support are expected for the next 24 hours due to continued low
levels of ionising radiation from the Sun and current disturbed
geomagnetic conditions associated with the coronal hole.
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For an explanation of some of the terms in this report, go to
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Glossary on Solar Terrestrial Terms.
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