[Ips-dsgr] IPS Daily Report - 11 August 05
rwc
rwc at ips.gov.au
Fri Aug 12 09:39:38 EST 2005
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 11/2330Z AUGUST 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 11 AUGUST AND FORECAST FOR 12 AUGUST - 14 AUGUST
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 11 Aug: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 11 Aug: 76/14
1B. SOLAR FORECAST
12 Aug 13 Aug 14 Aug
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 75/13 75/13 70/5
COMMENT: Expect solar activity to be very low for the next 2-3
days. No events noted on GOES x-ray or SOHO LASCO imagery. A
new emerging flux region has been added, 10797 located at S15E60.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 11 Aug: Quiet
Estimated Indices 11 Aug : A K
Australian Region 4 1121 2111
Learmonth 2 1021 1000
Culgoora 3 1111 2111
Canberra 1 0010 2000
Hobart 3 1111 1111
Casey(Ant) 6 1232 2111
Observed Regional daily pc3 Indices 11 Aug :
Townsville NA
Learmonth NA
Culgoora NA
Canberra NA
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 11 Aug : A
Fredericksburg 6
Planetary 6
Observed AFr/Ap Indices 10 Aug : A K
Fredericksburg 9
Planetary 22 3245 5322
2B. MAGNETIC FORECAST
Date Ap Conditions
12 Aug 9 Quiet to Unsettled
13 Aug 7 Quiet
14 Aug 5 Quiet
COMMENT: Mostly quiet conditions expected for the low and mid
latitudes with quiet to unsettled conditions expected at high
latitudes.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
11 Aug Normal Normal Fair-normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
12 Aug Normal Normal Normal-Fair
13 Aug Normal Normal Normal
14 Aug Normal Normal Normal
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
11 Aug 18
Observed Australian Regional MUFs
slightly below predicted monthly values
Predicted Monthly T index for August: 26
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
12 Aug 15 about 10% below predicted monthly values
13 Aug 20 near predicted monthly values
14 Aug 20 near predicted monthly values
COMMENT: A slight depression was noted in the mid latitude MUFs
yesterday and local dawn today.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 10 Aug
Daily Proton Fluence >1 MeV: 8.1E+05
Daily Proton Fluence >10 MeV: 1.3E+04
Daily Electron Fluence >2 MeV: 4.90E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 7%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A5.5
ACE Satellite Solar Wind Day Averaged Data for 10 Aug
Speed: NA km/sec Density: NA p/cc Temp: NA K Bz: NA nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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