[Ips-dhfpr] IPS Daily HF Prop Report - 02 May 13 issued 2330 UT on 02 May 2013
Regional Warning Centre
rwc at ips.gov.au
Fri May 3 09:30:22 EST 2013
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 MAY 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 MAY)
Date T index Conditions
02 May 70 Normal-fair
Flares Max Fadeout Freq. Sectors
M1.1 0511UT possible lower E. Asia/Aust.
MUFs:
Cocos Island Region:
Enhanced by 40% during local day.
Near predicted monthly values during local night.
Enhanced by 25% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Predicted Monthly T index for May: 69
2. FORECAST (03 MAY - 05 MAY)
Date T index Conditions MUFs
03 May 75 Normal Near predicted monthly values
04 May 70 Normal Near predicted monthly values
05 May 70 Normal Near predicted monthly values
COMMENT: As the effects of yesterdays geomagnetic disturbances
washed through the regional ionosphere, there were quite large
variations in available MUFs, both enhanced and depressed. Conditions
should settle across 3rd May. Passage of a solar sector boundary
4th May with Unsettled geomagnetic activity may cause greater
MUF variability and to a lesser extent this will continue 5/6th
May due to a weak glancing blow from a northward directed CME
launched from AR1731 0510UT 2nd May.
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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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