[Ips-dhfpr] SWS Daily HF Prop Report - 24 December 19 issued 2346 UT on 24 Dec 2019
rwc
rwc at ips.gov.au
Wed Dec 25 10:46:00 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 DECEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 DECEMBER)
Date T index Conditions
24 Dec -32 Normal-fair
Flares: none
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 35% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 20% 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.
PCA Event : No event.
Monthly T index:
Month T index
Nov -30
Dec -16
Jan -17
2. FORECAST (25 DECEMBER - 27 DECEMBER)
Date T index Conditions MUFs
25 Dec -30 Normal-fair Near predicted monthly values/depressed
10 to 20%
26 Dec -30 Normal-fair Near predicted monthly values/depressed
10 to 20%
27 Dec -30 Normal-fair Near predicted monthly values/depressed
10 to 20%
COMMENT: Maximum usable frequencies (MUFs) were near predicted
monthly values to mildly depressed for the Australian region
on 24 Dec. Moderate MUFs depressions observed at Niue Island
region local day and night. Sporadic-E occurrences were seen
over most sites. Similar levels of ionospheric support is expected
for the next three UT days, 25-27 Dec.
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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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