From aswfc at bom.gov.au Wed Oct 2 12:56:15 2024 From: aswfc at bom.gov.au (Australian Space Weather Forecasting Centre) Date: Wed, 02 Oct 2024 12:56:15 +1000 Subject: [Ips-whfpr] ASWFC Weekly Prop. Report (02 October 24) issued 0256 UT on 02 Oct 2024 [SEC=OFFICIAL] Message-ID: <66fcb64f.W2g/JXtKIYzG7Mk1%aswfc@bom.gov.au> SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT ISSUED ON 02 OCTOBER 2024 FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE AUSTRALIAN REGION SUMMARY AND FORECAST 1. SUMMARY (25 SEPTEMBER - 01 OCTOBER) Date T index Conditions 25 Sep 136 Normal MUFS: Cocos Island Region: Enhanced by 15% during local day. Near predicted monthly values during local night. Enhanced by 20% after local dawn. 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: Mostly near predicted monthly values. Antarctic Region (Casey/Davis/Mawson): Depressed by 15% over the UT day. 26 Sep 120 Normal MUFS: Cocos Island Region: Enhanced by 15% during local day. Enhanced by 35% during local night. Enhanced by 25% after local dawn. Niue Island Region: Enhanced by 15% during local day. Enhanced by 15% during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Southern Australian Region: Depressed by 25% during local day. Depressed by 15% during local night. Antarctic Region (Casey/Davis/Mawson): Depressed by 20% over the UT day. 27 Sep 137 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Niue Island Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Enhanced by 25% after local dawn. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 40% during local night. Enhanced by 20% after local dawn. Southern Australian Region: Mostly near predicted monthly values. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 28 Sep 139 Normal MUFS: Cocos Island Region: Near predicted monthly values. Niue Island Region: Enhanced by 20% during local day. No data available during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 35% during local night. Southern Australian Region: Near predicted monthly values. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 29 Sep 145 Normal MUFS: Cocos Island Region: Enhanced by 25% during local day. Enhanced by 25% during local night. Niue Island Region: Enhanced by 15% during local day. Enhanced by 15% 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 during local day. Enhanced by 20% during local night. Enhanced by 30% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 30 Sep 154 Normal MUFS: Cocos Island Region: Enhanced by 15% during local day. Enhanced by 80% during local night. Niue Island Region: No data available during local day. Near predicted monthly values during local night. Enhanced by 20% after local dawn. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Enhanced by 20% after local dawn. Southern Australian Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Enhanced by 25% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 01 Oct 160 Normal MUFS: Cocos Island Region: Enhanced by 20% during local day. Enhanced by 25% during local night. Enhanced by 25% after local dawn. Niue Island Region: Enhanced by 35% 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 15% during local day. Enhanced by 20% during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Predicted Monthly T index for October: 116 2. FORECAST (02 OCTOBER - 08 OCTOBER) MUFS: MUFs near predicted monthly values. Propagation conditions: Normal. SWFs probable early in week. T index: 116 ASWFC SWF HF Communications Warning 109 was issued on 1 October and is current for 2-4 Oct. 3. OUTLOOK (09 OCTOBER - 08 NOVEMBER) Degraded HF propagation conditions possible: 22 Oct. 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 From aswfc at bom.gov.au Wed Oct 9 13:02:15 2024 From: aswfc at bom.gov.au (Australian Space Weather Forecasting Centre) Date: Wed, 09 Oct 2024 13:02:15 +1100 Subject: [Ips-whfpr] ASWFC Weekly Prop. Report (09 October 24) issued 0202 UT on 09 Oct 2024 [SEC=OFFICIAL] Message-ID: <6705e427./2J6eXCPnz0MNCMG%aswfc@bom.gov.au> SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT ISSUED ON 09 OCTOBER 2024 FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE AUSTRALIAN REGION SUMMARY AND FORECAST 1. SUMMARY (02 OCTOBER - 08 OCTOBER) Date T index Conditions 02 Oct 151 Normal MUFS: Cocos Island Region: Enhanced by 20% during local day. Enhanced by 55% during local night. Enhanced by 25% after local dawn. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Enhanced by 20% after local dawn. Southern Australian Region: Enhanced by 15% during local day. Enhanced by 20% during local night. Enhanced by 30% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 03 Oct 152 Normal MUFS: Cocos Island Region: Enhanced by 25% during local day. Enhanced by 40% during local night. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Southern Australian Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Enhanced by 40% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 04 Oct 156 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Niue Island Region: Enhanced by 20% during local day. Near predicted monthly values during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Southern Australian Region: Enhanced by 15% during local day. Enhanced by 25% during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 05 Oct 162 Normal MUFS: Cocos Island Region: Enhanced by 35% during local day. Enhanced by 60% during local night. Enhanced by 25% after local dawn. 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 25% during local night. Enhanced by 25% after local dawn. Southern Australian Region: Enhanced by 15% during local day. Enhanced by 25% during local night. Enhanced by 20% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 06 Oct 161 Normal MUFS: Cocos Island Region: Enhanced by 35% during local day. Enhanced by 55% during local night. Enhanced by 25% after local dawn. Niue Island Region: Enhanced by 25% during local day. Enhanced by 25% during local night. Northern Australian Region: Enhanced by 15% during local day. Enhanced by 15% during local night. Enhanced by 30% after local dawn. Southern Australian Region: Enhanced by 15% during local day. Enhanced by 15% during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 07 Oct 128 Normal MUFS: Cocos Island Region: Mostly near predicted monthly values. Enhanced by 25% after local dawn. Niue Island Region: Enhanced by 20% during local day. Near predicted monthly values during local night. Northern Australian Region: Near predicted monthly values. Southern Australian Region: Mostly near predicted monthly values. Depressed by 35% after local dawn. Antarctic Region (Casey/Davis/Mawson): Depressed by 20% over the UT day. 08 Oct 101 Fair-poor MUFS: Cocos Island Region: Near predicted monthly values during local day. Depressed by 15% during local night. Enhanced by 20% after local dawn. Niue Island Region: Mostly near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Depressed by 20% during local night. Southern Australian Region: Depressed by 30% during local day. Depressed by 20% during local night. Enhanced by 35% after local dawn. Antarctic Region (Casey/Davis/Mawson): Depressed by 30% over the UT day. Predicted Monthly T index for October: 116 2. FORECAST (09 OCTOBER - 15 OCTOBER) MUFS: Mild depressions are possible on 09-Oct as geomagnetic activity wanes. A recovery towards predicted monthly values is expected on 10-Oct. MUFs are expected to be near predicted monthly values to 15% enhanced for the remainder of the week. Propagation conditions: HF propagation conditions are expected to be recovering towards mostly normal conditions over 9-10 Oct, with depressions possible on both days particularly at high latitudes. Mostly normal conditions are expected for the rest of the week. SWFs probable on 09-10 Oct, possible for the rest of the week. T index: 116 ASWFC SWF HF Communications Warning 114 was issued on 8 October and is current for 8-10 Oct. 3. OUTLOOK (16 OCTOBER - 15 NOVEMBER) Degraded HF propagation conditions possible: 21-22 Oct, 02-05 Nov 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 From aswfc at bom.gov.au Wed Oct 16 13:47:02 2024 From: aswfc at bom.gov.au (Australian Space Weather Forecasting Centre) Date: Wed, 16 Oct 2024 13:47:02 +1100 Subject: [Ips-whfpr] ASWFC Weekly Prop. Report (16 October 24) issued 0247 UT on 16 Oct 2024 [SEC=OFFICIAL] Message-ID: <670f2926.YFanDYqukRKAJrmi%aswfc@bom.gov.au> SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT ISSUED ON 16 OCTOBER 2024 FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE AUSTRALIAN REGION SUMMARY AND FORECAST 1. SUMMARY (09 OCTOBER - 15 OCTOBER) Date T index Conditions 09 Oct 156 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Niue Island Region: Enhanced by 20% during local day. Enhanced by 25% during local night. Enhanced by 20% after local dawn. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Enhanced by 20% after local dawn. 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. Proton event in progress, increased absorption observed. 10 Oct 130 Fair MUFS: Cocos Island Region: Enhanced by 15% during local day. No data available during local night. Niue Island Region: Enhanced by 15% during local day. Enhanced by 15% during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Depressed by 40% after local dawn. Southern Australian Region: Mostly near predicted monthly values. Depressed by 40% after local dawn. Antarctic Region (Casey/Davis/Mawson): Enhanced by 30% over the UT day. Proton event in progress, increased absorption observed. 11 Oct 56 Poor-fair MUFS: Cocos Island Region: Depressed by 30-50%. Niue Island Region: Mostly near predicted monthly values. Enhanced by 40% after local dawn. Northern Australian Region: Depressed by 25% during local day. Depressed by 30% during local night. Southern Australian Region: Depressed by 50% during local day. Depressed by 20% during local night. Enhanced by 25% after local dawn. Antarctic Region (Casey/Davis/Mawson): Depressed by 35% over the UT day. Absorption observed early in UT day. 12 Oct 146 Normal MUFS: Cocos Island Region: Enhanced by 15% during local day. Near predicted monthly values during local night. Niue Island Region: Enhanced by 20-40%. Northern Australian Region: Enhanced by 20-25%. Southern Australian Region: Initially enhanced 25% then near predicted monthly values. 15% depressed to near predicted monthly values after local dawn. Antarctic Region (Casey/Davis/Mawson): Depressed by 15% over the UT day. 13 Oct 123 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 50% during local night. Niue Island Region: Enhanced by 35-40%. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Southern Australian Region: Depressed by 15% during local day. Near predicted monthly values during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 14 Oct 147 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 40% during local night. Niue Island Region: Enhanced by 20% during local day. Enhanced by 50% 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 during local day. Enhanced by 15% during local night. Enhanced by 25% after local dawn. Antarctic Region (Casey/Davis/Mawson): Enhanced by 20% over the UT day. 15 Oct 152 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Southern Australian Region: Enhanced by 20% during local day. Enhanced by 20% during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Predicted Monthly T index for October: 116 2. FORECAST (16 OCTOBER - 22 OCTOBER) MUFS: MUFs are expected to be near predicted monthly values to 15% enhanced for most of the week. Mild depressions are possible on 22-Oct. Propagation conditions: Mostly fair conditions are expected for the entire week. SWFs are possible. T index: 116 3. OUTLOOK (23 OCTOBER - 22 NOVEMBER) Degraded HF propagation conditions possible: 23-24 Oct, 03-05 Nov, 10-Nov. 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 From aswfc at bom.gov.au Wed Oct 23 11:43:53 2024 From: aswfc at bom.gov.au (Australian Space Weather Forecasting Centre) Date: Wed, 23 Oct 2024 11:43:53 +1100 Subject: [Ips-whfpr] ASWFC Weekly Prop. Report (23 October 24) issued 0043 UT on 23 Oct 2024 [SEC=OFFICIAL] Message-ID: <671846c9.WRK0V0LJKNVtI3Ty%aswfc@bom.gov.au> SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT ISSUED ON 23 OCTOBER 2024 FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE AUSTRALIAN REGION SUMMARY AND FORECAST 1. SUMMARY (16 OCTOBER - 22 OCTOBER) Date T index Conditions 16 Oct 143 Normal-fair MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Niue Island Region: Enhanced by 15% during local day. Enhanced by 20% during local night. Northern Australian Region: Mostly near predicted monthly values. Southern Australian Region: Near predicted monthly values. 15% depressed during local day at Hobart. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 17 Oct 141 Normal MUFS: Cocos Island Region: Mostly near predicted monthly values. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Southern Australian Region: Enhanced by 15% during local day. Near predicted monthly values during local night. Enhanced by 25% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 18 Oct 150 Normal MUFS: Cocos Island Region: Enhanced by 25% during local day. Enhanced by 50% during local night. Niue Island Region: Enhanced by 20% during local day. Near predicted monthly values during local night. Northern Australian Region: Enhanced by 15% during local day. Enhanced by 20% during local night. Southern Australian Region: Enhanced by 20% during local day. Near predicted monthly values during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 19 Oct 136 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Niue Island Region: Enhanced by 20% during local day. Near predicted monthly values during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Southern Australian Region: Enhanced by 15% during local day. Near predicted monthly values during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 20 Oct 123 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Southern Australian Region: Depressed by 15% during local day. Near predicted monthly values during local night. Enhanced by 20% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 21 Oct 156 Normal MUFS: Cocos Island Region: Enhanced by 15% during local day. Enhanced by 30% during local night. Niue Island Region: Enhanced by 15% during local day. Enhanced by 30% during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 25% during local night. Southern Australian Region: Enhanced by 15% during local day. Enhanced by 25% during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 22 Oct 151 Normal 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 20% during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Enhanced by 20% after local dawn. Southern Australian Region: Enhanced by 15% during local day. Near predicted monthly values during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Predicted Monthly T index for October: 116 2. FORECAST (23 OCTOBER - 29 OCTOBER) MUFS: MUFs near predicted monthly values to 15% enhanced. Propagation conditions: Normal. SWFs probable due to anticipated return of previously flare active solar regions. T index: 140 3. OUTLOOK (30 OCTOBER - 29 NOVEMBER) Degraded HF propagation conditions possible: 5 Nov, 7 Nov, 17 Nov. 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 From aswfc at bom.gov.au Wed Oct 30 11:46:34 2024 From: aswfc at bom.gov.au (Australian Space Weather Forecasting Centre) Date: Wed, 30 Oct 2024 11:46:34 +1100 Subject: [Ips-whfpr] ASWFC Weekly Prop. Report (30 October 24) issued 0046 UT on 30 Oct 2024 [SEC=OFFICIAL] Message-ID: <672181ea.eT6orh+jHj1Zanv7%aswfc@bom.gov.au> SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT ISSUED ON 30 OCTOBER 2024 FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE AUSTRALIAN REGION SUMMARY AND FORECAST 1. SUMMARY (23 OCTOBER - 29 OCTOBER) Date T index Conditions 23 Oct 136 Normal MUFS: Cocos Island Region: Enhanced by 25% during local day. Enhanced by 35% during local night. Enhanced by 30% after local dawn. Niue Island Region: Enhanced by 20% during local day. Enhanced by 25% during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Southern Australian Region: Mostly near predicted monthly values. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 24 Oct 139 Normal MUFS: Cocos Island Region: Enhanced by 25% during local day. Enhanced by 35% during local night. Niue Island Region: Near predicted monthly values 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. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 25 Oct 151 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 40% during local night. Enhanced by 25% after local dawn. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Southern Australian Region: Near predicted monthly values during local day. Enhanced by 15% during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. 26 Oct 154 Normal MUFS: Cocos Island Region: Enhanced by 15% during local day. Enhanced by 20% during local night. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 35% during local night. Enhanced by 25% after local dawn. Southern Australian Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Proton event in progress, increased absorption observed. 27 Oct 128 Normal MUFS: Cocos Island Region: Mostly near predicted monthly values. Niue Island Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Northern Australian Region: Mostly near predicted monthly values. Enhanced by 20% after local dawn. Southern Australian Region: Depressed by 15% during local day. Near predicted monthly values during local night. Enhanced by 25% after local dawn. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Proton event in progress, increased ionospheric absorption observed at Mawson and Casey. 28 Oct 139 Normal MUFS: Cocos Island Region: Enhanced by 25% during local day. Enhanced by 20% during local night. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Southern Australian Region: Near predicted monthly values. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Proton event in progress, increased absorption observed. 29 Oct 124 Normal MUFS: Cocos Island Region: Near predicted monthly values during local day. Enhanced by 20% during local night. Niue Island Region: Enhanced by 15% 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: Depressed by 15% during local day. Near predicted monthly values during local night. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Proton event in progress, increased absorption observed. Predicted Monthly T index for October: 116 2. FORECAST (30 OCTOBER - 05 NOVEMBER) MUFS: briefly depressed after local dawn over 6-7 Nov MUFs near predicted monthly values on other days to 20% enhanced. Propagation conditions: Degraded at high latitudes on 30-Oct due to PCA. Degradations near equatorial regions during local midnight-dawn hours are possible. Mild degradations at mid-high latitudes over 6-7 Nov. T index: 116 ASWFC SWF HF Communications Warning 124 was issued on 28 October and is current for 29-31 Oct. 3. OUTLOOK (06 NOVEMBER - 06 DECEMBER) Degraded HF propagation conditions possible: None expected outside of coronal mass ejection events. 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