[Ips-dhfpr] SWS Daily HF Prop Report - 06 December 19 issued 2331 UT on 06 Dec 2019
Regional Warning Centre
rwc at ips.gov.au
Sat Dec 7 10:31:38 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 DECEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (06 DECEMBER)
Date T index Conditions
06 Dec -35 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Niue Island Region:
Depressed by 30% during local day.
Depressed by 15% during local night.
Depressed by 30% after local dawn.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 20% during local night.
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 (07 DECEMBER - 09 DECEMBER)
Date T index Conditions MUFs
07 Dec -30 Normal-fair Near predicted monthly values/depressed
15 to 25%
08 Dec -35 Normal-fair Near predicted monthly values/depressed
15 to 25%
09 Dec -35 Normal-fair Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) were mostly near predicted
monthly values to moderately depressed on UT day 06 December.
Strong sporadic E and night time spread F were observed at mid
latitudes. Mildly to moderately depressed to near predicted monthly
MUFs are expected over the Australian region during 07-09 December.
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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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