[Ips-dhfpr] ASWFC Daily HF Prop Report - 10 January 24 issued 2330 UT on 10 Jan 2024 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Thu Jan 11 10:30:59 EST 2024
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 JANUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 JANUARY)
Date T index Conditions
10 Jan 160 Normal
Flares Max Fadeout Freq. Sectors
M1.4 1256UT possible lower European
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Niue Island Region:
Near predicted monthly values 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:
Enhanced by 25% during local day.
Enhanced by 30% 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
Dec 110
Jan 106
Feb 105
2. FORECAST (11 JANUARY - 13 JANUARY)
Date T index Conditions MUFs
11 Jan 155 Normal Near to 15% above predicted
monthly values
12 Jan 155 Normal Near to 15% above predicted
monthly values
13 Jan 155 Normal Near to 15% above predicted
monthly values
COMMENT: ASWFC SWF HF Communications Warning 3 was issued on
10 January and is current for 10-12 Jan. Maximum usable frequencies
(MUFs) on UT day 10-Jan in the northern Australian region were
25-30% enhanced, with stronger enhancements during local night.
MUFs in the southern Australian region were near predicted monthly
values during local day, with enhancements of up to 20% observed
during local night. Sporadic E was observed at Brisbane, Canberra,
Hobart and Norfolk Island, with the strongest incidences observed
at Hobart. MUFs are expected to be near predicted monthly values
to 15% enhanced over 11-13 Jan. Further sporadic E in the south
east of the Australian region is likely. 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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