[Ips-dhfpr] ASWFC Daily HF Prop Report - 21 November 22 issued 2331 UT on 21 Nov 2022 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Tue Nov 22 10:31:16 EST 2022
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 NOVEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 NOVEMBER)
Date T index Conditions
21 Nov 47 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Depressed by 20% after local dawn.
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
Oct 83
Nov 70
Dec 70
2. FORECAST (22 NOVEMBER - 24 NOVEMBER)
Date T index Conditions MUFs
22 Nov 60 Normal-fair Near predicted monthly values
to 10-15% depressed
23 Nov 70 Normal Near predicted monthly values
24 Nov 75 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 21-Nov were
mostly near predicted monthly values, with some depressions of
20% in the northern Australian regions and of 15% in the southern
Australian regions after local dawn. Mild depressions of 10-15%
may continue over 22-Nov during local night hours, but are generally
expected to be near predicted monthly values over 23-24 Nov.
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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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