[Ips-dhfpr] SWS Daily HF Prop Report - 10 July 16 issued 2330 UT on 10 Jul 2016 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Mon Jul 11 09:30:25 EST 2016
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 JULY 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 JULY)
Date T index Conditions
10 Jul 26 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Depressed by 30% after local dawn.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 20% during local night.
Southern Australian Region:
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
Jun 31
Jul 42
Aug 40
2. FORECAST (11 JULY - 13 JULY)
Date T index Conditions MUFs
11 Jul 25 Normal-fair Depressed 10 to 25%/near predicted
monthly values
12 Jul 25 Normal-fair Depressed 10 to 25%/near predicted
monthly values
13 Jul 30 Normal-fair Depressed 10 to 20%/near predicted
monthly values
COMMENT: SWS HF Communications Warning 32 was issued on 9 July
and is current for 10-12 Jul. Mild to moderate MUF depressions
were observed over the Equatorial and Northern Australian regions
on UT day 10 July. These MUF depressions seem to have eventuated
due to continued very low levels of ionising radiation and rise
in geomagnetic activity on this day. Minor to moderate depressions
in MUFs and degradations in HF conditions are likely in the Aus/NZ
regions from 11 to 13 July due to continued very low levels of
ionising radiation and the possibility of continued rise in geomagnetic
activity levels during this period.
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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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