[Ips-dhfpr] ASWFC Daily HF Prop Report - 10 October 23 issued 2331 UT on 10 Oct 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Wed Oct 11 10:31:07 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 OCTOBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 OCTOBER)
Date T index Conditions
10 Oct 129 Normal
Flares Max Fadeout Freq. Sectors
M1.6 0209UT possible lower E. Asia/Aust.
M2.3 1217UT possible lower European
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Enhanced by 20% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Enhanced by 30% 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 (11 OCTOBER - 13 OCTOBER)
Date T index Conditions MUFs
11 Oct 135 Normal Near to 15% above predicted
monthly values
12 Oct 130 Normal Near to 15% above predicted
monthly values
13 Oct 130 Normal Near to 15% above predicted
monthly values
COMMENT: ASWFC SWF HF Communications Warning 104 was issued on
10 October and is current for 11-12 Oct. Maximum usable frequencies
(MUFs) on UT day 10-Oct were near predicted monthly values in
the southern Australian region and near predicted monthly values
to 30% enhanced in the northern Australian region, with most
enhancements occurring during local night hours. MUFs are expected
to be near predicted monthly values to 15% enhanced over 11-13
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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