[Ips-whfpr] ASWFC Weekly Prop. Report (21 August 24) issued 0059 UT on 21 Aug 2024 [SEC=OFFICIAL]
Australian Space Weather Forecasting Centre
aswfc at bom.gov.au
Wed Aug 21 10:59:15 AEST 2024
SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT
ISSUED ON 21 AUGUST 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 AUGUST - 20 AUGUST)
Date T index Conditions
14 Aug 167 Normal
MUFS:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 45% during local night.
Niue Island Region:
Enhanced by 50% during local day.
Enhanced by 100% during local night.
Enhanced by 25% after local dawn.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 35% during local night.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 25% during local night.
Enhanced by 25% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
15 Aug 179 Normal
MUFS:
Cocos Island Region:
Enhanced by 40% during local day.
Enhanced by 115% during local night.
Niue Island Region:
Enhanced by 50% during local day.
Enhanced by 95% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 75% during local night.
Southern Australian Region:
Enhanced by 20% during local day.
Enhanced by 30% during local night.
Enhanced by 25% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Enhanced by 20% over the UT day.
16 Aug 170 Normal
MUFS:
Cocos Island Region:
Mostly near predicted monthly values.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 55% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 35% during local night.
Southern Australian Region:
Enhanced by 20% during local day.
Enhanced by 35% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
17 Aug 158 Normal-fair
MUFS:
Cocos Island Region:
Enhanced by 35% during local day.
Enhanced by 100% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Southern Australian Region:
Enhanced by 20% during local day.
Enhanced by 25% during local night.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
18 Aug 181 Fair-normal
MUFS:
Cocos Island Region:
Enhanced by 30% during local day.
Enhanced by 85% during local night.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 55% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 30% during local night.
Southern Australian Region:
Enhanced by 25-35%.
Antarctic Region (Casey/Davis/Mawson):
Depressed by 15% over the UT day.
19 Aug 160 Normal
MUFS:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 105% during local night.
Enhanced by 20% after local dawn.
Niue Island Region:
Enhanced by 15% during local day.
Enhanced by 75% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 25% during local night and after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
20 Aug 172 Normal
MUFS:
Cocos Island Region:
Enhanced by 25% during local day.
Enhanced by 80% during local night.
Niue Island Region:
Enhanced by 20% during local day and after local dawn.
Enhanced by 30% during local night.
Northern Australian Region:
Enhanced by 15-25% during local day and after local dawn.
Enhanced by 45% during local night.
Southern Australian Region:
Enhanced by 20% during local day and after local dawn.
Enhanced by 25% during local night.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
Predicted Monthly T index for August: 119
2. FORECAST (21 AUGUST - 27 AUGUST)
MUFS:
MUFs are expected to be enhanced by 15-35% this week.
Propagation conditions: Normal propagation conditions are expected.
Shortwave fadeouts are possible.
T index: 119
3. OUTLOOK (28 AUGUST - 27 SEPTEMBER)
Mildly degraded HF propagation conditions possible:
18 Sep, 24 Sep
PLEASE NOTE:
Space weather conditions can frequently be determined by short
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.
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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