[Ips-dhfpr] SWS Daily HF Prop Report - 13 September 19 issued 2331 UT on 13 Sep 2019
Regional Warning Centre
rwc at ips.gov.au
Sat Sep 14 09:31:31 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 SEPTEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 SEPTEMBER)
Date T index Conditions
13 Sep -1 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 30% during local day.
Enhanced by 25% during local night.
Niue Island Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Enhanced by 20% after local dawn.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% 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
Aug -3
Sep -14
Oct -16
2. FORECAST (14 SEPTEMBER - 16 SEPTEMBER)
Date T index Conditions MUFs
14 Sep -5 Normal Near predicted monthly values
15 Sep -5 Normal Near predicted monthly values
16 Sep -5 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) in the Australian
region were mostly near predicted monthly values during UT day
13 September. Mild to moderate enhancements were observed in
Southern Australian region during local night and in Northern
Australian region after local dawn. Sporadic-E and Spread-F occurrences
were observed over some sites. For the next three UT days, 14-16
September, MUFs are expected to be mostly near predicted monthly
values.
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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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