[Ips-dhfpr] ASWFC Daily HF Prop Report - 24 October 23 issued 2330 UT on 24 Oct 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Wed Oct 25 10:30:16 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 OCTOBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 OCTOBER)
Date T index Conditions
24 Oct 126 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 45% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
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.
Enhanced by 20% 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 (25 OCTOBER - 27 OCTOBER)
Date T index Conditions MUFs
25 Oct 125 Normal Near to 15% above predicted
monthly values
26 Oct 130 Normal Near to 15% above predicted
monthly values
27 Oct 130 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) in the Australian
region on UT day 24-Oct were generally near predicted monthly
values to 15% enhanced, with enhancements of up to 20% observed
in the northern Australian region after local dawn. Spread F
was observed at Canberra and Hobart during local night hours.
MUFs are expected to be near predicted monthly values to 15%
enhanced over 25-27 Oct.
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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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