[Ips-dhfpr] SWS Daily HF Prop Report - 10 September 19 issued 2331 UT on 10 Sep 2019
Regional Warning Centre
rwc at ips.gov.au
Wed Sep 11 09:31:37 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 SEPTEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 SEPTEMBER)
Date T index Conditions
10 Sep -16 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 15% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% 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 (11 SEPTEMBER - 13 SEPTEMBER)
Date T index Conditions MUFs
11 Sep -15 Normal-fair Near predicted monthly values
12 Sep -10 Normal Near predicted monthly values
13 Sep -10 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) were mostly near predicted
monthly values during UT day 10 September in the Australian region.
Mild depressions were observed local day across Northern Australian
and Equatorial regions. Sporadic-E and Spread-F occurrences were
observed over some sites. For the next three UT days, 11-13 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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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