[Ips-dhfpr] SWS Daily HF Prop Report - 31 December 18 issued 2330 UT on 31 Dec 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Tue Jan 1 10:30:19 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 DECEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (31 DECEMBER)
Date T index Conditions
31 Dec -37 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 35% 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.
Depressed by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Nov -32
Dec -8
Jan -9
2. FORECAST (01 JANUARY - 03 JANUARY)
Date T index Conditions MUFs
01 Jan -30 Normal-fair Near predicted monthly values/depressed
10 to 30%
02 Jan -30 Normal-fair Near predicted monthly values/depressed
10 to 30%
03 Jan -30 Normal-fair Near predicted monthly values/depressed
10 to 30%
COMMENT: Minor to Moderate MUF depressions across the Australian
region as compared to the monthly predicted levels observed during
31 December. Strong Sporadic E layers were seen across the Australian
region and in Antarctica. Similar levels of ionospheric support
expected for the next 3 days due to 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.
Space Weather Services email: asfc at bom.gov.au
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