[Ips-dhfpr] SWS Daily HF Prop Report - 13 November 18 issued 2330 UT on 13 Nov 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Wed Nov 14 10:30:22 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 NOVEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 NOVEMBER)
Date T index Conditions
13 Nov -41 Normal-fair
Niue Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
2. FORECAST (14 NOVEMBER - 16 NOVEMBER)
Date T index Conditions MUFs
14 Nov -30 Normal-fair Near predicted monthly values/depressed
10 to 30%
15 Nov -25 Normal-fair Near predicted monthly values/depressed
5 to 20%
16 Nov -25 Normal-fair Near predicted monthly values/depressed
5 to 20%
COMMENT: MUFs were near predicted monthly values to depressed
by 30% in the Australian/Antarctic regions on UT day 13 November
mainly due to the continued very low levels of ionising radiation
from the Sun. Minor to moderate MUF depressions in these regions
may continue to be observed for the next three UT days (14 to
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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