[Ips-dhfpr] IPS Daily HF Prop Report - 21 August 11
rwc
rwc at ips.gov.au
Mon Aug 22 09:51:41 EST 2011
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z AUGUST 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 AUGUST)
Date T index Conditions
21 Aug 40 Fair-Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day,
Depressed by 20% during local night.
Niue Island Region:
Depressed by 20% during local day,
Depressed by 15% during local night.
Northern Australian Region:
Depressed by 20% during local day,
Depressed by 25% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Mostly near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for August: 59
2. FORECAST (22 AUGUST - 24 AUGUST)
Date T index Conditions MUFs
22 Aug 55 Fair-Normal Mostly near predicted monthly
values with 10-20% depressions
for far northern Australian
regions.
23 Aug 60 Normal Near predicted monthly values
24 Aug 60 Normal Near predicted monthly values
COMMENT: Mild depressions were observed over northern Australian
regions at times during the past 24 hours. Mild depressions are
expected at times over the next 24 hours primarily for far northern
Australian to equatorial regions otherwise MUFs are expected
to be mostly near predicted monthly values. Some periods of Spread-F
and Sporadic-E conditions were observed during the past 24 hours
which may have degraded HF conditions at times. Further isolated
periods of Spread-F and Sporadic-E are expected over the next
24 hours which may result in degraded HF conditions at times.
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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.
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