[Ips-dhfpr] SWS Daily HF Prop Report - 25 November 16 issued 2330 UT on 25 Nov 2016 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sat Nov 26 10:30:27 EST 2016
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 NOVEMBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 NOVEMBER)
Date T index Conditions
25 Nov -9 Fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 25% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Oct 10
Nov 26
Dec 25
2. FORECAST (26 NOVEMBER - 28 NOVEMBER)
Date T index Conditions MUFs
26 Nov -5 Fair 15 to 20% below predicted monthly
values
27 Nov 5 Normal-fair Depressed 15%/near predicted
monthly values
28 Nov 10 Normal Near predicted monthly values
COMMENT: Mild to Moderate MUF depressions were observed for the
UT day,25 November. Current depressions are most likely associated
with low levels of ionising radiation and a rise in geomagnetic
activity resulting in ionospheric storming. Periods of strong
sporadic E observed at most stations. Similar conditions are
expected today, 26 November. Improving ionospheric support expected
for 27-28 November with possible MUF depressions of 10%-20% for
Southern AUS/NZ regions for 27 November.
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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
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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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