[Ips-dhfpr] SWS Daily HF Prop Report - 05 August 22 issued 2331 UT on 05 Aug 2022 [SEC=OFFICIAL]
rwc
rwc at ips.gov.au
Sat Aug 6 09:31:38 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 AUGUST 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (05 AUGUST)
Date T index Conditions
05 Aug 47 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Depressed by 30% during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 35% 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 : No event.
Monthly T index:
Month T index
Jul 65
Aug 67
Sep 68
2. FORECAST (06 AUGUST - 08 AUGUST)
Date T index Conditions MUFs
06 Aug 45 Normal Depressed 15-20%/near predicted
monthly values
07 Aug 50 Normal Depressed 15-20%/near predicted
monthly values
08 Aug 55 Normal-fair Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 05-Aug were
mostly near predicted monthly values to 35% depressed at most
northern Australian sites during local night. Spread-F was observed
in Brisbane and Learmonth and degraded conditions were observed
at Darwin and Townsville. The source of these depressions in
the northern Australian regions is unknown. MUFs are expected
to be near predicted monthly values in the southern Australian
region, with depressions of 15-20% in the northern Australian
region at local night possible over 06-08 Aug.
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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.
Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au
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