[Ips-dhfpr] SWS Daily HF Prop Report - 20 January 17 issued 2330 UT on 20 Jan 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at sws.bom.gov.au
Sat Jan 21 10:30:23 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JANUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 JANUARY)
Date T index Conditions
20 Jan 12 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Depressed by 30% during local day.
Depressed by 25% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Depressed by 20% 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 2
Jan 21
Feb 20
2. FORECAST (21 JANUARY - 23 JANUARY)
Date T index Conditions MUFs
21 Jan 10 Normal Near predicted monthly values/depressed
15 to 20%
22 Jan 10 Normal Near predicted monthly values/depressed
15 to 20%
23 Jan 10 Normal Near predicted monthly values/depressed
15 to 20%
COMMENT: On 20-Jan, the Northern Australian region had minor
to moderate MUF depressions. In the Southern Australian region,
MUFs were near predicted monthly values during the local day
but had minor depressions during the local night. Both the Cocos
Islands and the Niue Island region had enhanced MUFs during the
local day. Widespread sporadic-E was observed. HF conditions
are expected to gradually recover on 21-Jan, with MUFs returning
to near predicted monthly values but with some periods of minor
depressions.
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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.
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