[Ips-dsgr] IPS Daily Report - 05 September 06
rwc
rwc at ips.gov.au
Wed Sep 6 09:51:40 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 05/2330Z SEPTEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 05 SEPTEMBER AND FORECAST FOR 06 SEPTEMBER - 08 SEPTEMBER
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 05 Sep: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 05 Sep: 80/20
1B. SOLAR FORECAST
06 Sep 07 Sep 08 Sep
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 80/20 85/27 85/27
COMMENT: No significant flare activity has been observed during
the past 24 hours. Solar wind speeds have declined slowly over
the past 24 hours from approximately 600 km/s to less than 500
km/s. Solar wind speeds are expected to continue to decline slowly
over the next 24 hours.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 05 Sep: Quiet to Unsettled
Estimated Indices 05 Sep : A K
Australian Region 8 22332221
Darwin 6 22221221
Learmonth 7 21232221
Culgoora 7 12331211
Camden 9 22332222
Canberra 8 22332211
Hobart 7 21332211
Casey(Ant) 10 22332322
Observed Regional daily pc3 Indices 05 Sep :
Charters_Towers 0 (Quiet)
Learmonth 0 (Quiet)
Culgoora 8 (Quiet)
Hobart 2 (Quiet)
Pc3 pulsations are high frequency (10-45 second period) variations
of the Earths magnetic field. Daily pc3 indices are the daily sum
of 20 minute pc3 indices for that station.
Estimated AFr/Ap Indices 05 Sep : A
Fredericksburg 10
Planetary 10
Observed AFr/Ap Indices 04 Sep : A K
Fredericksburg 15
Planetary 23 4643 3332
2B. MAGNETIC FORECAST
Date Ap Conditions
06 Sep 12 Quiet to unsettled
07 Sep 8 Quiet to unsettled
08 Sep 5 Quiet
COMMENT: Geomagnetic activity is expected to continue to decline
over the next few days to quiet levels.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
05 Sep Normal Normal Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
06 Sep Normal Normal Normal-Fair
07 Sep Normal Normal Normal-Fair
08 Sep Normal Normal Normal
COMMENT: Some enhanced periods may be observed at equatorial
latitudes, otherwise mainly normal conditions are expected over
the next few days. There is also the chance of isolated periods
of slightly degraded conditions for high latitudes.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
05 Sep 21
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Enhanced to near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Predicted Monthly T index for September: 11
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
06 Sep 15 near predicted monthly values
07 Sep 15 near predicted monthly values
08 Sep 15 Near predicted monthly values
COMMENT: Enhanced conditions may be observed at Equatorial latitudes,
otherwise mostly near predicted monthly values are expected for
the Australian/NZ region over the next 24 hours. There is also
the chance of isolated periods of slightly degraded conditions
for high latitudes.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 04 Sep
Daily Proton Fluence >1 MeV: 5.1E+05
Daily Proton Fluence >10 MeV: 1.6E+04
Daily Electron Fluence >2 MeV: 7.00E+06 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 1%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A5.3
ACE Satellite Solar Wind Day Averaged Data for 04 Sep
Speed: 538 km/sec Density: 3.9 p/cc Temp: 241000 K Bz: -1 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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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
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