[Ips-dhfpr] SWS Daily HF Prop Report - 01 January 17 issued 2330 UT on 01 Jan 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at sws.bom.gov.au
Mon Jan 2 10:30:20 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 JANUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (01 JANUARY)
Date T index Conditions
01 Jan -0 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Mostly near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 25% 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
Dec 2
Jan 23
Feb 22
2. FORECAST (02 JANUARY - 04 JANUARY)
Date T index Conditions MUFs
02 Jan -5 Normal-fair Depressed 15%/near predicted
monthly values
03 Jan 2 Normal Depressed 15%/near predicted
monthly values
04 Jan 10 Fair Near predicted monthly values
COMMENT: SWS HF Communications Warning 71 was issued on 31 December
and is current for 1-3 Jan. MUFs were mostly near monthly predicted
values in the mid- and low-latitude regions of Australia on UT
day 1 January. Minor depressions were observed in the high-latitude
Australian regions. Today (2 January), the high latitude depressions
are expected to extend into the low latitude regions as unsettled
geomagnetic conditions associated with the coronal hole persist.
HF users are advised to use lower than the monthly predicted
frequencies.
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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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