[Ips-dhfpr] SWS Daily HF Prop Report - 01 February 19 issued 2330 UT on 01 Feb 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sat Feb 2 10:30:20 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (01 FEBRUARY)
Date T index Conditions
01 Feb -30 Fair-normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Enhanced by 20% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Depressed by 35% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 25% during local night.
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 (02 FEBRUARY - 04 FEBRUARY)
Date T index Conditions MUFs
02 Feb -30 Fair-normal Near predicted monthly values/depressed
10 to 30%
03 Feb -30 Fair-normal Near predicted monthly values/depressed
10 to 30%
04 Feb -20 Normal-fair Near predicted monthly values
COMMENT: On UT day 01 February, MUFs were near monthly predicted
levels to moderately depressed over the Australian region. Sporadic
E layers were observed over some Australian ionosonde stations.
Near predicted to moderately depressed MUFs are expected for
the next two UT days, 02-03 February, as a consequence of very
low levels of ionising radiation from the Sun and recent 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
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
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