[Ips-dhfpr] ASWFC Daily HF Prop Report - 22 September 22 issued 2331 UT on 22 Sep 2022 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Fri Sep 23 09:31:02 EST 2022
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 SEPTEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 SEPTEMBER)
Date T index Conditions
22 Sep 77 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 40% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Enhanced by 25% during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Southern Australian Region:
Near predicted monthly values.
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
Aug 53
Sep 68
Oct 69
2. FORECAST (23 SEPTEMBER - 25 SEPTEMBER)
Date T index Conditions MUFs
23 Sep 75 Normal-fair Near predicted monthly values
24 Sep 75 Normal-fair Near predicted monthly values
25 Sep 75 Normal-fair Near predicted monthly values
COMMENT: ASWFC SWF HF Communications Warning 72 was issued on
21 September and is current for 21-23 Sep. Maximum usable frequencies
(MUFs) on UT day 22-Sep were near predicted monthly values to
20% enhanced in Northern Australia. Regional MUFs are expected
to be near predicted monthly values over 23-25 Sep, with mild
depressions/degradations possible for southern Australia during
local night and briefly after local dawn due to coronal hole
high speed wind stream effects.
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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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