[Ips-dhfpr] SWS Daily HF Prop Report - 20 January 20 issued 2331 UT on 20 Jan 2020
Regional Warning Centre
rwc at ips.gov.au
Tue Jan 21 10:31:16 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JANUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 JANUARY)
Date T index Conditions
20 Jan -18 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Depressed by 30% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values 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
Dec -29
Jan -16
Feb -17
2. FORECAST (21 JANUARY - 23 JANUARY)
Date T index Conditions MUFs
21 Jan -20 Normal Near predicted monthly values
22 Jan -20 Normal Near predicted monthly values
23 Jan -20 Normal Near predicted monthly values
COMMENT: Overall, maximum usable frequencies (MUFs) were mostly
near predicted monthly values for the Australian region on UT
day 20 January. Some periods of depressions were observed over
the Niue island region. Sporadic-E occurrences were also observed
over some Australian stations. Nearly similar levels of ionospheric
support is expected in the Australian regions for the next three
UT days, 21 to 23 January.
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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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