[Ips-dhfpr] SWS Daily HF Prop Report - 30 December 17 issued 2330 UT on 30 Dec 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sun Dec 31 10:30:28 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 DECEMBER 2017 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 -1 Normal
Cocos Island Region:
No data available.
Niue Island Region:
Depressed by 40% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Mostly near predicted monthly values.
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
2. FORECAST (31 DECEMBER - 02 JANUARY)
Date T index Conditions MUFs
31 Dec 10 Normal Near predicted monthly values
01 Jan -15 Fair Near predicted monthly values
02 Jan -20 Normal Depressed 15%/near predicted
COMMENT: Minor MUF depressions to near monthly predicted MUFs
were observed across Aus/NZ regions on UT day 30 December. Incidence
of Sporadic E blanketing were still evident over some Australian
ionosonde sites. The outlook for today (31 Dec) is for MUFs to
be mostly near monthly predicted levels. Minor to moderate MUF
depression are expected on 01-02 Jan in response to the forecasted
active magnetic conditions associated with the coronal hole.
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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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