[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 February 25 issued 2333 UT on 06 Feb 2025 [SEC=OFFICIAL]
Australian Space Weather Forecasting Centre
aswfc at bom.gov.au
Fri Feb 7 10:33:42 AEDT 2025
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 FEBRUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (06 FEBRUARY)
Date T index Conditions
06 Feb 159 Normal
Flares Max Fadeout Freq. Sectors
M7.6 1104UT probable lower European
M2.3 2327UT possible lower West Pacific
MUFs:
Cocos Island Region:
Enhanced by 25% during local day.
Enhanced by 65% during local night.
Enhanced by 25% after local dawn.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 15% during local night.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jan 124
Feb 118
Mar 115
2. FORECAST (07 FEBRUARY - 09 FEBRUARY)
Date T index Conditions MUFs
07 Feb 155 Normal Near to 15% above predicted
monthly values
08 Feb 155 Normal Near to 15% above predicted
monthly values
09 Feb 155 Normal Near to 15% above predicted
monthly values
COMMENT: ASWFC SWF HF Communications Warning 18 was issued on
6 February and is current for 6-8 Feb. Maximum usable frequencies
(MUFs) in the Australian region were near predicted monthly values
to 15% enhanced on UT day 06-Feb. Ionospheric scintillation was
observed at Darwin over the interval 06/1452-1550UT. MUFs are
expected to be near predicted monthly values to 15% enhanced
over 07-09 Feb. Shortwave fadeouts are probable.
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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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