[Ips-dhfpr] IPS Daily HF Prop Report - 22 February 14 issued 2353 UT on 22 Feb 2014
rwc at ips.gov.au
Sun Feb 23 10:53:25 EST 2014
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 FEBRUARY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 FEBRUARY)
Date T index Conditions
22 Feb 90 Normal
Cocos Island Region:
No data available.
Niue Island Region:
No data available.
Northern Australian Region:
Enhanced by 25% during local day.
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : 10MeV Proton/PCA Event Began 21 02 2014 0015UT and is in progress
Monthly T index:
Month T index
2. FORECAST (23 FEBRUARY - 25 FEBRUARY)
Date T index Conditions MUFs
23 Feb 95 Normal-fair Near to 15% above predicted
24 Feb 100 Normal Near to 15% above predicted
25 Feb 100 Normal Near to 15% above predicted
COMMENT: IPS HF Communications Warning 14 was issued on 22 February
and is current for 22-23 Feb. Observed MUF's for Northern AUS
regions ranged from near monthly normal values to enhanced during
local day and night over the last 24 hours. MUF's ranging from
near predicted monthly values to depressed by 15% observed for
Southern AUS/NZ and Antarctic regions with notable disturbed
periods for Antarctic regions due to recent elevated geomagnetic
activity. MUF's are expected to range from near monthly predicted
values to enhanced by ~15% for Northern AUS/Equatorial regions
over the 3 days. Ionospheric support is expected to recover for
Southern AUS/NZ regions over the next 24 hours with near predicted
monthly values and possible enhanced conditions for 24Feb-25Feb.
Slight chance of depressed conditions during local night for
Southern AUS/NZ regions over the next 24 hours should CME arrivals
and increased geomagnetic activity eventuate. Similar outlook
for Antarctic regions for the next 3 days. Further short-wave
fadeouts are possible.
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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