[Ips-dhfpr] IPS Daily HF Prop Report - 07 November 15 issued 2349 UT on 07 Nov 2015
rwc
rwc at ips.gov.au
Sun Nov 8 10:49:21 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 NOVEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (07 NOVEMBER)
Date T index Conditions
07 Nov 59 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
Enhanced by 25% during local day.
Enhanced by 65% during local night.
Depressed by 55% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values.
Depressed by 45% after local dawn.
Southern Australian Region:
Enhanced by 25% during local day.
Depressed by 15% during local night.
Depressed by 50% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Oct 37
Nov 66
Dec 65
2. FORECAST (08 NOVEMBER - 10 NOVEMBER)
Date T index Conditions MUFs
08 Nov 40 Fair-poor Depressed 15%/near predicted
monthly values
09 Nov 40 Fair-poor Depressed 15%/near predicted
monthly values
10 Nov 50 Fair-poor Near predicted monthly values
COMMENT: IPS HF Communications Warning 68 was issued on 6 November
and is current for 6-8 Nov. Observed MUF's for the Australasia
regions on the UT day 07 Nov were near the predicted monthly
values. The HF conditions have improved and this is attributed
to the positive storm effect causing a strong lived enhancement
in electron density. The two day outlook is for the Equatorial
regions to continue to have slightly improved HF conditions in
response to the storm effects. In contrast, the high and mid-latitude
regions are expected to have negative storm effects and depressed
MUF conditions. After the onset of high speed solar streams from
a very large recurrent positive northern coronal hole late on
UT day Nov 8 or thereabout, the MUFs are expected to remain below
the monthly predicted levels.
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For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
Space Weather Services email: asfc at ips.gov.au
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