[Ips-dhfpr] SWS Daily HF Prop Report - 17 September 21 issued 2353 UT on 17 Sep 2021
rwc
rwc at ips.gov.au
Sat Sep 18 09:53:23 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 SEPTEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 SEPTEMBER)
Date T index Conditions
17 Sep 14 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
No data available.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 20% during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Aug 14
Sep 27
Oct 30
2. FORECAST (18 SEPTEMBER - 20 SEPTEMBER)
Date T index Conditions MUFs
18 Sep 5 Normal-fair Near predicted monthly values/depressed
15 to 25%
19 Sep 15 Normal Near predicted monthly values
20 Sep 15 Normal Near predicted monthly values
COMMENT: MUFs in the Australian region on UT day 17 September
were mostly near predicted monthly values. Some moderately depressed
MUFs were observed in the Cocos Island region during the local
night. MUFs in the Australian region on UT days 18-20 September
are expected to be near predicted monthly values to mildly depressed.
Moderate depressions likely on 18 September.
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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
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