[Ips-dhfpr] SWS Daily HF Prop Report - 23 December 19 issued 2331 UT on 23 Dec 2019
Regional Warning Centre
rwc at ips.gov.au
Tue Dec 24 10:31:37 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 DECEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 DECEMBER)
Date T index Conditions
23 Dec -31 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 25% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 15% during local day.
Depressed by 15% 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 (24 DECEMBER - 26 DECEMBER)
Date T index Conditions MUFs
24 Dec -25 Normal-fair Near predicted monthly values
25 Dec -25 Normal Near predicted monthly values
26 Dec -25 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) were mostly near predicted
monthly values to slightly depressed for the Australian region
on 23 Dec. Moderate MUFs depressions observed at Niue Island
region local day and night. Sporadic-E occurrences were seen
over some sites. Similar levels of ionospheric support is expected
for the next three UT days, 24-26 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.
Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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