[Ips-wsgr] SWS Weekly Solar and Geophysical Report (16 July 21) issued 0133 UT on 16 Jul 2021

[rwc]

SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 16 JULY 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (09 JULY - 15 JULY)
Date     09    10    11    12    13    14    15
10cm     74    74    74    72    72    72    74
AFr       7     8     4     7     7    10  (  9)
Aaus      1     4     0     5     1     9  (  6)
T        14    14    14     9     8    10    18

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

09 Jul 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      No data available.
   Niue Island Region:
      No data available during.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

10 Jul 
Solar:        Very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      No data available during.
   Niue Island Region:
      No data available during.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

11 Jul 
Solar:        Very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      No data available.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

12 Jul 
Solar:        Very low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

13 Jul 
Solar:        Very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

14 Jul 
Solar:        Very low
Geomagnetic:  Quiet to active
In the SWS magnetometer data for 14 Jul, a weak (8nT) impulse 
was observed at 1006UT.
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

15 Jul 
Solar:        Very low
Geomagnetic:  Mostly quiet
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (16 JULY - 22 JULY)
Solar: Very low to low.

Geomagnetic:  
Mostly quiet to unsettled.

Frequencies:  
MUFs mostly near predicted monthly values.


For an explanation of some of the terms in this report, go to
http://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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