[Ips-wsgr] SWS Weekly Solar and Geophysical Report (08 July 22) issued 0105 UT on 08 Jul 2022 [SEC=OFFICIAL]
rwc
rwc at ips.gov.au
Fri Jul 8 11:05:41 EST 2022
SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 08 JULY 2022, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
ASWAS SCALE DESCRIPTION: https://bit.ly/3lmaMBx
1. SUMMARY (01 JULY - 07 JULY)
Date 01 02 03 04 05 06 07
10cm 98 100 102 104 115 115 121
AFr 8 17 11 18 4 5 ( 14)
Aaus 1 13 5 17 0 1 ( 10)
T 43 78 44 53 51 45 49
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
01 Jul
Solar: R0
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Depressed by 20% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 15-25% during local day.
Southern Australian Region:
Near predicted monthly values to 15% depressed.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
02 Jul
Solar: R0
Geomagnetic: G0, isolated G1
Frequencies:
Cocos Island Region:
Enhanced by 30% during local day.
Depressed by 15% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Initially near predicted monthly values then enhanced 15%.
Southern Australian region MUFs briefly depressed 15% after local dawn.
Hobart 20-30% depressed after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
03 Jul
Solar: R0
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 20% 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):
Near predicted monthly values over the UT day.
04 Jul
Solar: R0
Geomagnetic: G1
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Depressed by 15% during local night.
Niue Island Region:
Depressed by 15% during local day.
Depressed by 15% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% 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.
05 Jul
Solar: R0
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 25% 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.
06 Jul
Solar: R0
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Niue Island Region:
Depressed by 15% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
07 Jul
Solar: R0
Geomagnetic: G0
In the SWS magnetometer data for 07 Jul, a weak (11nT) impulse
was observed at 0659UT.
Frequencies:
Cocos Island Region:
Mostly near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
Comment: Ionospheric conditions became unexpectedly enhanced on 02-Jul,
resulting in a higher than expected T-index.
2. FORECAST (08 JULY - 14 JULY)
Solar:
R0-R1
Geomagnetic:
Chance of G1 periods on 08-Jul. G0 geomagnetic conditions on other days.
Frequencies:
Degraded conditions possible local night on 08-Jul, with MUFs briefly depressed
after local dawn.
MUFs near predicted monthly values on other days.
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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