[Ips-dhfpr] SWS Daily HF Prop Report - 20 January 22 issued 2331 UT on 20 Jan 2022
Regional Warning Centre
rwc at ips.gov.au
Fri Jan 21 10:31:06 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JANUARY 2022 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 51 Normal
Flares Max Fadeout Freq. Sectors
M5.5 0601UT possible lower Mid East/Indian
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% 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 : 10MeV Proton/PCA Event Began at 0755UT 20/01, Ended at 1515UT 20/01
and, 100MeV Proton/PCA Event Began at 0820UT 20/01, Ended at 1045UT 20/01
Monthly T index:
Month T index
Dec 34
Jan 36
Feb 39
2. FORECAST (21 JANUARY - 23 JANUARY)
Date T index Conditions MUFs
21 Jan 40 Normal Near predicted monthly values
22 Jan 40 Normal Near predicted monthly values
23 Jan 40 Normal Near predicted monthly values
COMMENT: SWS SWF HF Communications Warning 7 was issued on 20
January and is current for 21 Jan only. Australian regional maximum
usable frequencies (MUFs) were near predicted monthly values
on 20 January. Occasional sporadic E observed at some stations.
MUFs are expected to be mostly near predicted monthly values
on 21-23 January. There is a slight chance for a shortwave fadeout
on daylight HF circuits, today 21 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
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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