[Ips-dhfpr] SWS Daily HF Prop Report - 17 January 22 issued 2347 UT on 17 Jan 2022
rwc
rwc at ips.gov.au
Tue Jan 18 10:47:45 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 JANUARY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 JANUARY)
Date T index Conditions
17 Jan 36 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 30% during local night.
Niue Island Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values.
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 34
Jan 36
Feb 39
2. FORECAST (18 JANUARY - 20 JANUARY)
Date T index Conditions MUFs
18 Jan 40 Normal Near predicted monthly values
19 Jan 50 Normal Near predicted monthly values
20 Jan 25 Normal-fair Near predicted monthly values
COMMENT: SWS SWF HF Communications Warning 4 was issued on 16
January and is current for 17-19 Jan. SWS HF Communications Warning
5 was issued on 16 January and is current for 17-18 Jan. Australian
regional maximum usable frequencies (MUFs) were near predicted
monthly values with occasional brief depressions to 35% mostly
during local day. MUFs are expected to be mostly near predicted
monthly values on 18-19 January with depressions on 20 January.
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For an explanation of some of the terms in this report, go to
https://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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