[Ips-dhfpr] ASWFC Daily HF Prop Report - 09 April 23 issued 2331 UT on 09 Apr 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Mon Apr 10 09:31:01 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 APRIL 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (09 APRIL)
Date T index Conditions
09 Apr 122 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 45% during local day.
Enhanced by 65% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 15-30% during local night and after local dawn.
Southern Australian Region:
Enhanced by 25% during local day.
Enhanced by 15-20% during local night and after local dawn.
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
Mar 132
Apr 84
May 84
2. FORECAST (10 APRIL - 12 APRIL)
Date T index Conditions MUFs
10 Apr 130 Normal Near to 15% above predicted
monthly values
11 Apr 130 Normal-fair Near to 15% above predicted
monthly values
12 Apr 130 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 09-Apr in
the Australian region were enhanced by 15-30%. MUFs are expected
to be near predicted monthly values to 15% enhanced over 10-12
Apr. Mild degradations are possible on 11-Apr due to expected
increase in geomagnetic activity. Isolated shortwave fadeouts
are possible.
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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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