[Ips-dhfpr] SWS Daily HF Prop Report - 20 January 21 issued 2330 UT on 20 Jan 2021
Regional Warning Centre
rwc at ips.gov.au
Thu Jan 21 10:30:11 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JANUARY 2021 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 -0 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Enhanced by 20% after local dawn.
Niue Island Region:
No data available during local day.
No data available during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 15% 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 11
Jan 9
Feb 11
2. FORECAST (21 JANUARY - 23 JANUARY)
Date T index Conditions MUFs
21 Jan -10 Normal Near predicted monthly values
22 Jan -5 Normal Near predicted monthly values
23 Jan 0 Normal Near predicted monthly values
COMMENT: On UT day 20 January, MUFs in the Australian region
were near predicted monthly levels with mild afternoon and night
time depressions. Sporadic E was observed, strong at times. MUFs
in the Australian region are expected to be near predicted monthly
values on 21 to 23 January with mild to moderate depressions
on 21 January in response to expected mild geomagnetic activity.
Sporadic E occurrences are likely.
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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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