[Ips-dhfpr] SWS Daily HF Prop Report - 04 December 17 issued 2330 UT on 04 Dec 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Tue Dec 5 10:30:25 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 DECEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (04 DECEMBER)
Date T index Conditions
04 Dec -21 Normal-fair
Flares: none.
MUFs:
Niue Island Region:
Depressed by 30% during local day.
No data available during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Southern Australian Region:
Depressed by 15% during local day.
Depressed by 15% during local night.
Depressed by 20% after local dawn.
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 (05 DECEMBER - 07 DECEMBER)
Date T index Conditions MUFs
05 Dec -25 Fair Near predicted monthly values/depressed
10 to 40%
06 Dec -25 Fair Near predicted monthly values/depressed
10 to 40%
07 Dec -20 Fair Near predicted monthly values/depressed
10 to 30%
COMMENT: Minor to moderate MUF depressions were observed across
Aus/NZ regions on UT day 4 December. Spread F and Sporadic E
blanketing were observed at several low and mid latitude locations.
Minor to moderate MUF depressions are likely to be observed in
the Aus/NZ regions during the next three days (5 to 7 December)
----------------------------------------------------------
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
PO Box 1386 WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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