[Ips-dhfpr] SWS Daily HF Prop Report - 23 October 21 issued 2331 UT on 23 Oct 2021
Regional Warning Centre
rwc at ips.gov.au
Sun Oct 24 10:31:15 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 OCTOBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 OCTOBER)
Date T index Conditions
23 Oct 16 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 15% during local day.
Enhanced by 15% during local night.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 15% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Sep 24
Oct 29
Nov 33
2. FORECAST (24 OCTOBER - 26 OCTOBER)
Date T index Conditions MUFs
24 Oct 20 Normal Near predicted monthly values
25 Oct 25 Normal Near predicted monthly values
26 Oct 20 Normal Near predicted monthly values
COMMENT: MUFs in the Australian region on UT day 23 October were
mostly near predicted monthly values to mildly depressed. There
were some depressions to 35% observed at Niue during the day
and in the pre-dawn hours. Sporadic E was observed at Norfolk
Is. 04-07 UT and Cocos Is. 10-12 UT. MUFs are likely to be near
predicted monthly values to mildly depressed on 24-26 October.
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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.
Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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