[Ips-dhfpr] SWS Daily HF Prop Report - 07 December 17 issued 2330 UT on 07 Dec 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Fri Dec 8 10:30:34 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 DECEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (07 DECEMBER)
Date T index Conditions
07 Dec -9 Normal
Flares: none.
MUFs:
Niue Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Depressed by 25% after local dawn.
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 -5
Dec 4
Jan 4
2. FORECAST (08 DECEMBER - 10 DECEMBER)
Date T index Conditions MUFs
08 Dec -10 Normal Near predicted monthly values/depressed
10 to 20%
09 Dec -5 Normal Near predicted monthly values
10 Dec -5 Normal Near predicted monthly values
COMMENT: Minor to mild MUF depressions were observed across Aus/NZ
regions on UT day 7 December. Periods of minor MUF enhancements
were also observed at some northern locations on this day. Spread
F and Sporadic E blanketing were observed at several low and
mid latitude locations. Minor to mild MUF depressions are possible
in the Aus/NZ regions on 8 December. HF conditions are expected
to stay mostly at normal levels in this region on 9 and 10 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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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