[Ips-dhfpr] ASWFC Daily HF Prop Report - 03 December 23 issued 2330 UT on 03 Dec 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Mon Dec 4 10:30:12 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/03 DECEMBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (03 DECEMBER)
Date T index Conditions
03 Dec 120 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 75% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Enhanced by 20% 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
Nov 114
Dec 98
Jan 95
2. FORECAST (04 DECEMBER - 06 DECEMBER)
Date T index Conditions MUFs
04 Dec 70 Normal-fair Depressed 15%/near predicted
monthly values
05 Dec 75 Normal-fair Depressed 15%/near predicted
monthly values
06 Dec 100 Normal Near predicted monthly values
COMMENT: ASWFC HF Communications Warning 124 was issued on 2
December and is current for 2-4 Dec. Maximum usable frequencies
(MUFs) were near predicted monthly values to 20% enhanced in
the Australian region on UT day 03-Dec. Spread F was observed
at Hobart during local night hours. MUFs are expected to be near
predicted monthly values to 15% depressed over 04-05 Dec due
to expected geomagnetic activity. MUFs are expected to be near
predicted monthly values on 06-Dec. Isolated minor 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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