[Ips-dhfpr] SWS Daily HF Prop Report - 23 January 19 issued 2330 UT on 23 Jan 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Thu Jan 24 10:30:24 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 JANUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 JANUARY)
Date T index Conditions
23 Jan -13 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% 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
Dec -32
Jan -12
Feb -13
2. FORECAST (24 JANUARY - 26 JANUARY)
Date T index Conditions MUFs
24 Jan -25 Normal Near predicted monthly values
25 Jan -20 Normal Near predicted monthly values
26 Jan -15 Normal Near predicted monthly values
COMMENT: On UT day 23 January, MUFs were slightly depressed during
the local day over the low latitude regions. At other times,
MUFs were mostly near predicted monthly values across the Australian
region. Near predicted to depressed MUFs are expected for the
next two UT days (24-25 January), as a consequence of very 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
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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