[Ips-dhfpr] ASWFC Daily HF Prop Report - 02 September 22 issued 2330 UT on 02 Sep 2022 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Sat Sep 3 09:30:55 EST 2022
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 SEPTEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 SEPTEMBER)
Date T index Conditions
02 Sep 47 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% 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 (03 SEPTEMBER - 05 SEPTEMBER)
Date T index Conditions MUFs
03 Sep 50 Normal-fair Near predicted monthly values
to 20% depressed
04 Sep 50 Normal-fair Near predicted monthly values
to 20% depressed
05 Sep 45 Normal-fair Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 02-Sep were
near predicted monthly values during local day and up to 15%
depressed during local night in the northern Australian region.
Spread-F was observed at Perth and Learmonth in the local night
and dawn. Sporadic-E was observed at Cocos Islands. Degraded
conditions were observed in Darwin during local night. Regional
MUFs are expected to be mostly near predicted monthly values
to 20% depressed over 03-05 Sep, due to high speed wind
stream effects from a coronal hole.
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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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