[Ips-dhfpr] SWS Daily HF Prop Report - 10 October 19 issued 2331 UT on 10 Oct 2019
Regional Warning Centre
rwc at ips.gov.au
Fri Oct 11 10:31:31 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 OCTOBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 OCTOBER)
Date T index Conditions
10 Oct -24 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 20% during local day.
Depressed by 30% during local night.
Niue Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 25% during local night.
Southern Australian Region:
Depressed by 20% 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 -5
Oct -15
Nov -16
2. FORECAST (11 OCTOBER - 13 OCTOBER)
Date T index Conditions MUFs
11 Oct -15 Normal-fair Near predicted monthly values/depressed
10 to 20%
12 Oct -15 Normal-fair Near predicted monthly values/depressed
10 to 20%
13 Oct -12 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) in the Australian
region were from near predicted monthly values to depressed by
up to 30% during UT day 10 October. Sporadic-E and Spread-F occurrences
were observed over some sites. For the next 3 UT days, 11-13
October, MUFs are expected to be mostly near predicted monthly
values across the Australian region with some possibility of
minor to mild depressions on UT days 11 and 12 October.
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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
PO Box 1386 WWW: http://www.sws.bom.gov.au
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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