[Ips-dhfpr] ASWFC Daily HF Prop Report - 09 October 23 issued 2330 UT on 09 Oct 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Tue Oct 10 10:30:13 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 OCTOBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (09 OCTOBER)
Date T index Conditions
09 Oct 139 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 45% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Enhanced by 20% after local dawn.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Enhanced by 25% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Sep 104
Oct 98
Nov 96
2. FORECAST (10 OCTOBER - 12 OCTOBER)
Date T index Conditions MUFs
10 Oct 140 Normal Near to 20% above predicted
monthly values
11 Oct 140 Normal Near to 20% above predicted
monthly values
12 Oct 140 Normal Near to 20% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 9-Oct were
near predicted monthly values to 25% enhanced in the Australian
region, with the majority of enhancements occurring during local
night hours. MUFs are expected to be near predicted monthly values
to 20% enhanced over 10-12 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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