[Ips-dsgr] IPS Daily Report - 08 September 06
rwc
rwc at ips.gov.au
Sat Sep 9 09:15:10 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 08/2330Z SEPTEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 08 SEPTEMBER AND FORECAST FOR 09 SEPTEMBER - 11 SEPTEMBER
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 08 Sep: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 08 Sep: 87/30
1B. SOLAR FORECAST
09 Sep 10 Sep 11 Sep
Activity Very low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 85/27 85/27 85/27
COMMENT: No significant flare activity has been observed during
the past 24 hours. Solar wind speed continues to decline and
is approximately 360km/s at this time. Over the next several
days due to emerging flux regions solar activity may increase
to low levels. LASCO C3 imagery showed CME erupting at 0418UT
on the northwest limb, no associated activity noted, possibly
farside activity. Small coronal hole will reach geoeffective
position on 11 September.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 08 Sep: Quiet
Estimated Indices 08 Sep : A K
Australian Region 4 22211111
Darwin 3 12111111
Learmonth 1 11111000
Culgoora 2 11111010
Camden 9 32223222
Canberra 2 12101000
Hobart 2 12200100
Casey(Ant) 9 32322222
Observed Regional daily pc3 Indices 08 Sep :
Charters_Towers 0 (Quiet)
Learmonth 0 (Quiet)
Culgoora 2 (Quiet)
Hobart 0 (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 08 Sep : A
Fredericksburg 5
Planetary 5
Observed AFr/Ap Indices 07 Sep : A K
Fredericksburg 5
Planetary 8 1111 2221
2B. MAGNETIC FORECAST
Date Ap Conditions
09 Sep 6 Quiet
10 Sep 6 Quiet
11 Sep 10 Quiet to Unsettled
COMMENT: High speed solar wind stream from small coronal hole
may cause a slight increase in geomagnetic activity on 11 September,
otherwise expect quiet conditions.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
08 Sep Normal Normal Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
09 Sep Normal Normal Normal
10 Sep Normal Normal Normal
11 Sep Normal Normal Normal-Fair
COMMENT:
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
08 Sep 18
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
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
09 Sep 18 Near predicted monthly values
10 Sep 18 Near predicted monthly values
11 Sep 16 Near predicted monthly values
COMMENT:
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 07 Sep
Daily Proton Fluence >1 MeV: 9.6E+05
Daily Proton Fluence >10 MeV: 1.7E+04
Daily Electron Fluence >2 MeV: 2.80E+08 (moderate fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability:18%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A6.8
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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