[Ips-dhfpr] SWS Daily HF Prop Report - 28 August 21 issued 2336 UT on 28 Aug 2021
rwc at ips.gov.au
Sun Aug 29 09:36:08 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 AUGUST 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (28 AUGUST)
Date T index Conditions
28 Aug 11 Normal-fair
Flares Max Fadeout Freq. Sectors
M4/-- 0611UT possible lower Mid East/Indian
Cocos Island Region:
Enhanced by 20% during local day.
Depressed by 25% during local night.
Niue Island Region:
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Depressed by 30% during local day.
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
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
2. FORECAST (29 AUGUST - 31 AUGUST)
Date T index Conditions MUFs
29 Aug 12 Fair Near predicted monthly values
30 Aug 12 Normal Near predicted monthly values
31 Aug 12 Normal Near predicted monthly values
COMMENT: SWS SWF HF Communications Warning 21 was issued on 28
August and is current for 28-29 Aug. MUFs in the Australian region
on UT day 28 August were mostly near predicted monthly values
with some mild MUF depressions in the Southern Australian region
during local dawn and over the Cocos Island during the local
night. MUFs in the Australian region on UT days 29-31 August
are expected to be mostly near predicted monthly values with
the possibility of mild to moderate MUF depressions due to the
expected increase in geomagnetic activity.
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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