[Ips-dhfpr] IPS Daily HF Prop Report - 21 March 11
rwc at ips.gov.au
Tue Mar 22 10:51:47 EST 2011
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z MARCH 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 MARCH)
Date T index Conditions
21 Mar 47 Normal
Cocos Island Region:
Enhanced by 50% during local night.
Near predicted monthly values during local day.
Niue Island Region:
Enhanced by 20% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
Proton event in progress, increased absorption observed.
PCA Event : 10Mev Proton/PCA Event Began 21 03 2011 1955UT and is in progress
Predicted Monthly T index for March: 40
2. FORECAST (22 MARCH - 24 MARCH)
Date T index Conditions MUFs
22 Mar 45 Normal near predicted monthly values
23 Mar 45 Normal near predicted monthly values
24 Mar 45 Normal near predicted monthly values
COMMENT: Mostly normal ionospheric support observed for Northern
AUS and Southern AUS/NZ regions over the last 24 hours. Enhanced
MUFs ~20% for Equatorial regions. Poor ionospheric support for
Antarctic regions due to current proton event. Continued enhanced
conditions for Equatorial regions expected for the next 2-3 days
with mostly normal HF conditions for mid latitudes. Poor HF conditions
expected for Antarctic regions for the next 24 hours with return
to near monthly normal values on 23Mar-24Mar.
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.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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