[Ips-dhfpr] SWS Daily HF Prop Report - 23 February 20 issued 2331 UT on 23 Feb 2020
Regional Warning Centre
rwc at ips.gov.au
Mon Feb 24 10:31:27 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 FEBRUARY)
Date T index Conditions
23 Feb -10 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 115% during local night.
Enhanced by 30% after local dawn.
Southern Australian Region:
Mostly 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
Jan -20
Feb -16
Mar -16
2. FORECAST (24 FEBRUARY - 26 FEBRUARY)
Date T index Conditions MUFs
24 Feb -10 Normal Near predicted monthly values
25 Feb -10 Normal Near predicted monthly values/depressed
15 to 20%
26 Feb -20 Normal Near predicted monthly values/depressed
15 to 20%
COMMENT: Maximum usable frequencies (MUFs) for UT day 23 February
were mostly near predicted monthly values to enhanced. The Cocos
Island region observed moderate depressions during the local
night. Sporadic E was observed over most sites. Over the next
3 UT days, 24-26 February, MUFs are expected to be mostly near
predicted monthly values, with minor depressions up to 20% possible
on UT days 25-26 February.
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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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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