[Ips-dhfpr] SWS Daily HF Prop Report - 09 January 17 issued 2330 UT on 09 Jan 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at sws.bom.gov.au
Tue Jan 10 10:30:41 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 JANUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (09 JANUARY)
Date T index Conditions
09 Jan -24 Poor-normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Depressed by 20% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 30% during local day.
Depressed by 40% during local night.
Depressed by 25% after local dawn.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Dec 2
Jan 21
Feb 20
2. FORECAST (10 JANUARY - 12 JANUARY)
Date T index Conditions MUFs
10 Jan -15 Poor-normal 15 to 30% below predicted monthly
values
11 Jan -15 Poor-normal 15 to 30% below predicted monthly
values
12 Jan -15 Poor-normal 15 to 30% below predicted monthly
values
COMMENT: SWS HF Communications Warning 4 was issued on 9 January
and is current for 10-12 Jan. MUFs were moderately to severely
depressed across the Australian region on 9-Jan. Periods of sporadic-E
were observed in many locations. MUF depressions are expected
to continue due to low background EUV flux.
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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
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