[Ips-dhfpr] ASWFC Daily HF Prop Report - 30 January 23 issued 0001 UT on 31 Jan 2023 [SEC=OFFICIAL]
rwc
rwc at ips.gov.au
Tue Jan 31 11:01:51 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (30 JANUARY)
Date T index Conditions
30 Jan 119 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Niue Island Region:
Enhanced by 30% during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 35% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Dec 84
Jan 71
Feb 72
2. FORECAST (31 JANUARY - 02 FEBRUARY)
Date T index Conditions MUFs
31 Jan 110 Normal Near to 15% above predicted
monthly values
01 Feb 110 Normal Near to 15% above predicted
monthly values
02 Feb 110 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) in the Southern Australian
region on UT day 30-Jan were near predicted monthly values to
20% enhanced and MUFs in the Northern Australian region were
15-35% enhanced. Significant sporadic E was observed at Hobart,
Canberra, Brisbane, Darwin and Cocos Islands, mostly during local
night. Small amounts of sporadic E was observed across the Australian
region during local night. Spread F was observed at Hobart. MUFs
are expected to be near predicted monthly values to 15% enhanced
over 31-Jan to 2-Feb. Sporadic E is possible during local night,
affecting lower frequencies.
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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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