[Ips-dhfpr] SWS Daily HF Prop Report - 10 December 18 issued 2335 UT on 10 Dec 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Tue Dec 11 10:35:47 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 DECEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 DECEMBER)
Date T index Conditions
10 Dec -28 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Depressed by 15% during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Nov -32
Dec -8
Jan -9
2. FORECAST (11 DECEMBER - 13 DECEMBER)
Date T index Conditions MUFs
11 Dec -28 Normal Depressed 15 to 20%/near predicted
monthly values
12 Dec -35 Normal Depressed 15 to 30%/near predicted
monthly values
13 Dec -35 Normal Depressed 15 to 30%/near predicted
monthly values
COMMENT: On UT day 10 December, there were minor MUF depressions
across the Australian region as compared to the monthly predicted
levels. Sporadic E layers were seen across the Australian region
and in Antarctica. Similar conditions are expected for UT day
11 December, then conditions are expected to return to minor
to moderate MUF depressions as a consequence of the continued
very low levels of ionising radiation from the Sun.
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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.
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