[Ips-dhfpr] SWS Daily HF Prop Report - 01 February 22 issued 2330 UT on 01 Feb 2022
Regional Warning Centre
rwc at ips.gov.au
Wed Feb 2 10:30:58 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 FEBRUARY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (01 FEBRUARY)
Date T index Conditions
01 Feb 61 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% 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
Jan 46
Feb 38
Mar 41
2. FORECAST (02 FEBRUARY - 04 FEBRUARY)
Date T index Conditions MUFs
02 Feb 40 Fair-poor Near predicted monthly values/depressed
15 to 20%
03 Feb 15 Poor-fair Depressed 20 to 30%/near predicted
monthly values
04 Feb 50 Fair-normal Near predicted monthly values
COMMENT: SWS SWF HF Communications Warning 10 was issued on 30
January and is current for 31 Jan to 2 Feb. SWS Preliminary HF
Communications Warning 11 was issued on 31 January and is current
for 2-3 Feb. Australian regional maximum usable frequencies (MUFs)
were near to 20% above predicted monthly values on 1 February.
Degraded HF conditions are expected for today, with regional
MUFs variable due to the onset of geomagnetic activity. Mostly
near predicted monthly values are at this stage expected for
the northern Australian region and depressed conditions are expected
for southern Australian region from later today. Degraded and
depressed conditions are then possible after local dawn on 03
February. Isolated shortwave fadeouts are possible 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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