[Ips-wsgr] SWS Weekly Solar and Geophysical Report (01 April 22) issued 0301 UT on 01 Apr 2022 [SEC=OFFICIAL]
rwc
rwc at ips.gov.au
Fri Apr 1 14:01:19 EST 2022
SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 01 APRIL 2022, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
Please see our home page: https://www.sws.bom.gov.au/ for ASWAS scale
explanation.
1. SUMMARY (25 MARCH - 31 MARCH)
Date 25 26 27 28 29 30 31
10cm 112 119 130 156 149 151 149
AFr 10 7 15 10 6 7 ( 24)
Aaus 5 4 15 4 5 2 ( 24)
T 67 56 69 74 78 83 89
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
25 Mar
Solar: R1, with an M1.4 at 0528UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Southern Australian Region:
Enhanced by 20% during local day.
Enhanced by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
26 Mar
Solar: R0
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values 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 20% during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
27 Mar
Solar: R0
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Enhanced by 30% during local day.
Enhanced by 15% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Enhanced by 35% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 35% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Enhanced by 25% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
28 Mar
Solar: R1, with an M4.0 at 1129UT, and an M1.0 at
2101UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 20% during local night.
Niue Island Region:
Enhanced by 25% during local day.
Enhanced by 65% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 45% during local night.
Enhanced by 30% after local dawn.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
29 Mar
Solar: R1, with an M2.2 at 0111UT, an M1.1 at 0158UT,
an M1.0 at 0938UT, and an M1.6 at 2152UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Enhanced by 55% during local day.
Enhanced by 95% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Enhanced by 35% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 45% 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 30% over the UT day.
30 Mar
Solar: R3, with an X1.4 at 1737UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Enhanced by 55% during local day.
Enhanced by 65% during local night.
Niue Island Region:
Enhanced by 30% during local day.
Enhanced by 45% during local night.
Enhanced by 25% after local dawn.
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 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
31 Mar
Solar: R2, with an M9.6 at 1835UT
Geomagnetic: G0-G1
In the SWS magnetometer data for 31 Mar, a weak (28nT) impulse
was observed at 0225UT.
Frequencies:
Cocos Island Region:
Enhanced by 50% during local day.
Enhanced by 90% 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 40% during local night.
Enhanced by 30% after local dawn.
Southern Australian Region:
Enhanced by 30% during local day.
Enhanced by 45% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
2. FORECAST (01 APRIL - 07 APRIL)
Solar:
R1-R2 levels with a chance of an isolated R3 level.
Geomagnetic:
G0-G1 with a chance of G2 levels on 1-3 Apr. G0 on other days.
Frequencies:
MUFs near predicted monthly values to mildly depressed
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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