[Ips-dhfpr] ASWFC Daily HF Prop Report - 19 October 23 issued 2330 UT on 19 Oct 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Fri Oct 20 10:30:51 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 OCTOBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 OCTOBER)
Date T index Conditions
19 Oct 132 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Enhanced by 25% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 20% during local night.
Southern Australian Region:
Near predicted monthly values.
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 (20 OCTOBER - 22 OCTOBER)
Date T index Conditions MUFs
20 Oct 130 Normal-fair Near to 15% above predicted
monthly values
21 Oct 130 Normal-fair Near to 15% above predicted
monthly values
22 Oct 125 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 19-Oct were
near predicted monthly values in the southern Australian region.
MUFs were enhanced by 15% during local day and 20% during local
night in the northern Australian region. MUFs are expected to
be near predicted monthly values to 15% enhanced over 20-22 Oct.
----------------------------------------------------------
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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