[Ips-dhfpr] SWS Daily HF Prop Report - 11 August 20 issued 2331 UT on 11 Aug 2020
Regional Warning Centre
rwc at ips.gov.au
Wed Aug 12 09:31:33 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 AUGUST 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 AUGUST)
Date T index Conditions
11 Aug 5 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Enhanced by 15% during local night.
Niue Island Region:
No data available.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 30% during local night.
Enhanced by 25% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jul -1
Aug -13
Sep -14
2. FORECAST (12 AUGUST - 14 AUGUST)
Date T index Conditions MUFs
12 Aug 5 Normal Near to 15% above predicted
monthly values
13 Aug 5 Normal Near to 15% above predicted
monthly values
14 Aug 5 Normal Near to 15% above predicted
monthly values
COMMENT: MUFs in the Australian and Antarctic regions were near
predicted monthly values to moderately enhanced values on UT
day 11 August. Sporadic E were observed at several sites. Night
spread F were seen at Darwin, Hobart, Learmonth, Norfolk Is,
Perth, and Townsville. MUFs in the Australian region are expected
to be mostly near predicted monthly values to mildly enhanced
values for 12-14 August.
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For an explanation of some of the terms in this report, go to
http://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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