[Ips-dhfpr] ASWFC Daily HF Prop Report - 29 September 23 issued 2331 UT on 29 Sep 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Sat Sep 30 09:31:19 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 SEPTEMBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (29 SEPTEMBER)
Date T index Conditions
29 Sep 126 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 20% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 25% during local night.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Aug 115
Sep 96
Oct 93
2. FORECAST (30 SEPTEMBER - 02 OCTOBER)
Date T index Conditions MUFs
30 Sep 120 Normal Near to 15% above predicted
monthly values
01 Oct 120 Normal Near to 15% above predicted
monthly values
02 Oct 120 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) in the Australian
region on UT day 29-Sep were mostly near predicted monthly values
to 25% enhanced. Minor spread-F was observed at Hobart during
local night hours. MUFs are expected to be near predicted monthly
values to 15% enhanced over 30 Sep to 2-Oct. Isolated minor shortwave
fadeouts are possible.
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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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