[Ips-dhfpr] SWS Daily HF Prop Report - 02 October 16 issued 2330 UT on 02 Oct 2016 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Mon Oct 3 10:30:26 EST 2016
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 OCTOBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 OCTOBER)
Date T index Conditions
02 Oct -5 Fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Depressed by 25% after local dawn.
Niue Island Region:
No data available.
Northern Australian Region:
Depressed by 25% during local day.
Depressed by 30% during local night.
Southern Australian Region:
Depressed by 30% during local day.
Depressed by 40% 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 30
Oct 34
Nov 34
2. FORECAST (03 OCTOBER - 05 OCTOBER)
Date T index Conditions MUFs
03 Oct 0 Normal-fair 15 to 20% below predicted monthly
values
04 Oct 0 Fair-normal 15 to 20% below predicted monthly
values
05 Oct 10 Normal Depressed 15%/near predicted
monthly values
COMMENT: SWS HF Communications Warning 43 was issued on 2 October
and is current for 2-3 Oct. Observed MUF's were strongly depressed
over most Australian regions throughout the UT day 2 October,
except on the day side for the equatorial Australian regions.
These depression are the aftermaths of substorms driven by the
very large positive polarity coronal hole. Slightly improved
MUFs, though still near depressed levels compared to monthly
predicted values, are expected for the next two days (3-4 October)
as the ionosphere slowly replenishes.
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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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