[Ips-dhfpr] SWS Daily HF Prop Report - 20 September 18 issued 2345 UT on 20 Sep 2018 [SEC=UNCLASSIFIED]
rwc at ips.gov.au
Fri Sep 21 09:45:00 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 SEPTEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 SEPTEMBER)
Date T index Conditions
20 Sep -4 Normal
Cocos Island Region:
No data available.
Niue Island Region:
Mostly near predicted monthly values.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 25% during local day.
No data available during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
2. FORECAST (21 SEPTEMBER - 23 SEPTEMBER)
Date T index Conditions MUFs
21 Sep -5 Normal Near predicted monthly values
22 Sep -5 Normal Near predicted monthly values
23 Sep -15 Normal-fair Near predicted monthly values
COMMENT: Continued minor MUF depressions for Northern AUS/Equatorial
regions observed over the last 24 hours and occasional disturbed
ionospheric support for Antarctic regions. Similar HF conditions
are expected over the next 2 days with possible minor MUF depressions
for low latitude stations and periods of poor ionospheric support
at high latitudes. Depressed MUFs possible for Southern AUS/NZ
regions and disturbed conditions for Antarctic regions 23Sep
due to expected increase in geomagnetic activity.
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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