[Ips-wsgr] SWS Weekly Solar and Geophysical Report (18 March 22) issued 0120 UT on 18 Mar 2022 [SEC=OFFICIAL]
rwc
rwc at ips.gov.au
Fri Mar 18 12:20:29 EST 2022
SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 18 MARCH 2022, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (11 MARCH - 17 MARCH)
Date 11 12 13 14 15 16 17
10cm 127 125 123 115 110 107 103
AFr 15 7 30 13 5 3 ( 8)
Aaus 13 6 24 7 5 4 ( 3)
T 49 60 67 44 49 51 63
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
11 Mar
Solar: Moderate, with an M2.3 at 2232UT
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Enhanced by 15% during local night.
Enhanced by 35% after local dawn.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Near predicted monthly values to 20% depressed.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
12 Mar
Solar: Moderate, with an M2.3 at 2232UT
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Mostly near predicted monthly values.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
13 Mar
Solar: Low
Geomagnetic: Quiet to Minor Storm
In the SWS magnetometer data for 13 Mar, a weak (16nT) impulse
was observed at 1048UT.
Frequencies:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 90% during local night.
Enhanced by 20% after local dawn.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Enhanced by 20% during local day.
Enhanced by 15% during local night.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
14 Mar
Solar: Moderate, with an M2.0 at 0840UT
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Depressed by 20% during local day.
Depressed by 15% during local night.
Niue Island Region:
Enhanced by 35% during local day.
Enhanced by 15% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Enhanced by 25% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
15 Mar
Solar: Moderate, with an M1.4 at 1239UT, and an M1.5 at
2246UT
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Enhanced by 70% during local day.
Enhanced by 80% during local night.
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.
16 Mar
Solar: Moderate, with an M1.5 at 2246UT
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Niue Island Region:
Enhanced by 35% during local day.
Near predicted monthly values during local night.
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.
17 Mar
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Niue Island Region:
Enhanced by 55% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
2. FORECAST (18 MARCH - 24 MARCH)
Solar:
Low chance of moderate activity early in week.
Geomagnetic:
Quiet to unsettled conditions.
Frequencies:
MUFs near predicted monthly values.
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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