[Ips-dhfpr] ASWFC Daily HF Prop Report - 19 August 23 issued 2330 UT on 19 Aug 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Sun Aug 20 09:30:46 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 AUGUST 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 AUGUST)
Date T index Conditions
19 Aug 112 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Southern Australian Region:
Enhanced by 15% during local day.
Near predicted monthly values 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
Jul 103
Aug 88
Sep 84
2. FORECAST (20 AUGUST - 22 AUGUST)
Date T index Conditions MUFs
20 Aug 115 Normal Near to 15% above predicted
monthly values
21 Aug 115 Normal Near to 15% above predicted
monthly values
22 Aug 115 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 19-Aug were
near predicted monthly values to 15% enhanced in the Australian
region. Spread F was observed at Hobart and Canberra during local
night hours. Ionospheric phase scintillation was briefly observed
at Weipa 19/1230UT. MUFs are expected to remain near predicted
values to 15% enhanced over 20-22 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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