[Ips-dhfpr] SWS Daily HF Prop Report - 02 January 18 issued 2330 UT on 02 Jan 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Wed Jan 3 10:30:40 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 JANUARY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 JANUARY)
Date T index Conditions
02 Jan -8 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 30% during local night.
Southern Australian Region:
Depressed by 20% 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
Dec -10
Jan 4
Feb 4
2. FORECAST (03 JANUARY - 05 JANUARY)
Date T index Conditions MUFs
03 Jan -5 Normal Near predicted monthly values/depressed
5 to 20%
04 Jan 0 Normal Near predicted monthly values
05 Jan 0 Normal Near predicted monthly values
COMMENT: SWS HF Communications Warning 56 was issued on 31 December
and is current for 1-3 Jan. Minor to moderate MUF depressions
were observed across Aus/NZ regions on UT day 2 Jan in response
to the recent increase in the geomagnetic activity associated
with the coronal hole. Periods of Sporadic E blanketing were
evident over several Australian ionosonde sites. During the next
UT day, 3 Jan, minor to moderate MUF depressions are still likely;
then the MUFs are expected to return to the predicted monthly
values.
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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
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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