[Ips-dhfpr] SWS Daily HF Prop Report - 30 December 19 issued 2353 UT on 30 Dec 2019
rwc
rwc at ips.gov.au
Tue Dec 31 10:53:49 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 DECEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (30 DECEMBER)
Date T index Conditions
30 Dec -24 Normal-fair
Flares: None
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Enhanced by 15% during local night.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 25% during local night.
Northern Australian Region:
Near predicted monthly values.
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.
PCA Event : No event.
Monthly T index:
Month T index
Nov -30
Dec -16
Jan -17
2. FORECAST (31 DECEMBER - 02 JANUARY)
Date T index Conditions MUFs
31 Dec -25 Normal-fair Near predicted monthly values
01 Jan -25 Normal-fair Near predicted monthly values
02 Jan -28 Normal-fair Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) were mostly from near
predicted monthly to moderated depressed level for the Australian
region on UT day 30 December. Sporadic-E occurrences were seen
over most Australian ionosonde sites. Nearly similar MUF conditions
may be expected for the next three UT days, 31 December - 02
January in the Australian regions.
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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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