[Ips-wsgr] SWS Weekly Solar and Geophysical Report (05 November 21) issued 0111 UT on 05 Nov 2021

Fri Nov 5 12:11:01 EST 2021

SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 05 NOVEMBER 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (29 OCTOBER - 04 NOVEMBER)
Date     29    30    31    01    02    03    04
10cm    108   107   103    98    97    89    94
AFr       2     8     8     8    12    14  ( 52)
Aaus      2     8    10     9     9    11  ( 33)
T        37    40    27    33    24    19    32

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian region.
Frequencies:  Australian ionospheric F2 critical frequencies

29 Oct 
Solar:        Moderate, with an M1.5 at 0243UT
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.
      Proton event in progress, increased absorption observed.

30 Oct 
Solar:        Low
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 30% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

31 Oct 
Solar:        Low
Geomagnetic:  Quiet to Active
A weak (9nT) impulse was observed at 1013UT in the SWS magnetometer data.
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 65% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

01 Nov 
Solar:        Moderate, with an M1 at 0145UT
Geomagnetic:  Quiet to Active
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

02 Nov 
Solar:        Moderate, with an M1.6 at 0254UT
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

03 Nov 
Solar:        Low
Geomagnetic:  Quiet to Major Storm
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

04 Nov 
Solar:        Low
Geomagnetic:  Quiet to Major Storm
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.  Depressions 20-40%
      02-04, 13, 15 UT.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 30% during local night.
      Depressions 20-30% 18 UT onwards at Townsville.
      Depressions 20-35% 03-04 and 19-20, 23 UT at Darwin.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 30% over the UT day.

2. FORECAST (05 NOVEMBER - 11 NOVEMBER)
Solar: 
Low. Chance of moderate activity.

Geomagnetic:  
Quiet to unsettled conditions. Chance of isolated active periods
on 08 November.

Frequencies:  
MUFs depressed at mid and high latitudes on 05-06 November. Mild 
depressions to near predicted monthly values at other times.

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.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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