[Ips-dhfpr] ASWFC Daily HF Prop Report - 31 August 24 issued 0153 UT on 01 Sep 2024 [SEC=OFFICIAL]
Australian Space Weather Forecasting Centre
aswfc at bom.gov.au
Sun Sep 1 11:53:24 AEST 2024
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 AUGUST 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
Reissued due to correction of ionospheric summary/forecast.
1. SUMMARY (31 AUGUST)
Date T index Conditions
31 Aug 133 Normal-fair
Flares Max Fadeout Freq. Sectors
M1.1 0049UT possible lower West Pacific
M1.2 0238UT possible lower E. Asia/Aust.
M1.2 0859UT possible lower Mid East/Indian
M1.8 1302UT possible lower European
MUFs:
Cocos Island Region:
Enhanced by 20% during local day.
Depressed by 15% during local night.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Southern Australian Region:
Near predicted monthly values to 15% enhanced.
Depressed 15% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Depressed by 25% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jul 131
Aug 119
Sep 119
2. FORECAST (01 SEPTEMBER - 03 SEPTEMBER)
Date T index Conditions MUFs
01 Sep 145 Normal Near to 15% above predicted
monthly values
02 Sep 145 Normal Near to 15% above predicted
monthly values
03 Sep 145 Normal Near to 15% above predicted
monthly values
COMMENT: ASWFC SWF HF Communications Warning 96 was issued on
31 August and is current for 31 Aug to 2 Sep. Maximum usable
frequencies (MUFs) in the Australian region on UT day 31-Aug
were near predicted monthly values to 15% enhanced. Spread F
was observed at Hobart and Perth during local night hours.
Southern Australian region MUFs were 15% depressed during local
night hours and recovered after local dawn this morning.
MUFs are expected to be near predicted monthly values to 15%
enhanced over 01-03 Sep. Shortwave fadeouts are possible.
----------------------------------------------------------
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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