[Ips-dhfpr] SWS Daily HF Prop Report - 25 October 17 issued 2345 UT on 25 Oct 2017 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Oct 26 10:45:40 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 OCTOBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 OCTOBER)
Date T index Conditions
25 Oct 5 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Southern Australian Region:
Depressed by 15% 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
Sep 20
Oct 5
Nov 4
2. FORECAST (26 OCTOBER - 28 OCTOBER)
Date T index Conditions MUFs
26 Oct 0 Normal-fair Near predicted monthly values/depressed
15 to 30%
27 Oct 0 Normal-fair Near predicted monthly values/depressed
10 to 20%
28 Oct 5 Normal-fair Near predicted monthly values
COMMENT: SWS HF Communications Warning 44 was issued on 25 October
and is current for 25-26 Oct. Minor MUF depressions for Southern
AUS/NZ regions and Northern AUS/Equatorial regions for 25Oct.
MUF depressions of ~20% for Northern AUS and Southern AUS/NZ
regions possible over the next 24-48 hours. Degraded ionospheric
support for Antarctic regions expected during this period. MUFs
expected to be near predicted monthly values for 28Oct.
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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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