[Ips-dhfpr] SWS Daily HF Prop Report - 16 November 18 issued 2350 UT on 16 Nov 2018 [SEC=UNCLASSIFIED]
rwc at ips.gov.au
Sat Nov 17 10:50:46 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 NOVEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (16 NOVEMBER)
Date T index Conditions
16 Nov -41 Normal-fair
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 15% during local night.
Depressed by 20% after local dawn.
Southern Australian Region:
Depressed by 15% during local day.
Depressed 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
2. FORECAST (17 NOVEMBER - 19 NOVEMBER)
Date T index Conditions MUFs
17 Nov -40 Normal-fair Depressed 10%-30%/near predicted
18 Nov -40 Normal-fair Depressed 10%-30%/near predicted
19 Nov -40 Normal-fair Depressed 10 to 30%/near predicted
COMMENT: HF conditions for the AUS/NZ region during the last
24 hours saw MUFs depressions ranging between 10%-30% during
local day for all latitudes and an isolated enhanced period for
Equatorial regions. MUFs ranged from minor depressions to near
predicted monthly values during local night for Equatorial/Northern
AUS regions with Southern AUS/NZ and Antarctic regions near predicted
monthly values. Similar levels of depressed ionospheric support
expected for the next 3 days with minor to moderate MUF depressions
across all latitude bands due to continued very low levels of
ionising radiation from the Sun.
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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