[Ips-dhfpr] SWS Daily HF Prop Report - 19 January 22 issued 2331 UT on 19 Jan 2022
Regional Warning Centre
rwc at ips.gov.au
Thu Jan 20 10:31:22 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 JANUARY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 JANUARY)
Date T index Conditions
19 Jan 20 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 35% during local day.
Enhanced by 20% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Enhanced by 20% after local dawn.
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 34
Jan 36
Feb 39
2. FORECAST (20 JANUARY - 22 JANUARY)
Date T index Conditions MUFs
20 Jan 20 Normal-fair Near predicted monthly values
21 Jan 20 Normal-fair Near predicted monthly values
22 Jan 20 Normal-fair Near predicted monthly values
COMMENT: SWS HF Communications Warning 6 was issued on 19 January
and is current for 19-20 Jan. Australian regional maximum usable
frequencies (MUFs) were near predicted monthly values to moderately
depressed on 19 January. Occasional sporadic E observed at some
stations. Near predicted monthly values with some mild depressions
are possible on 20-22 January. There is a slight chance for shortwave
fadeouts on daylight HF circuits over the next few days.
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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
PO Box 1386 WWW: http://www.sws.bom.gov.au
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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