[Ips-dsgr] IPS Daily Report - 02 August 04
rwc
rwc at ips.gov.au
Tue Aug 3 09:38:17 EST 2004
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 02/2330Z AUGUST 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 02 AUGUST AND FORECAST FOR 03 AUGUST - 05 AUGUST
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 02 Aug: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 02 Aug: 85/27
1B. SOLAR FORECAST
03 Aug 04 Aug 05 Aug
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 85/27 85/27 90/34
COMMENT: ACE solar wind speed has been steady at around 400 km/sec.
No significant flare activity was observed over the past 24 hours.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 02 Aug: Quiet
Estimated Indices 02 Aug : A K
Australian Region 3 1122 0011
Darwin 4 1122 0122
Townsville 3 1122 0112
Learmonth 4 1122 1021
Culgoora 4 2222 1002
Canberra 4 1132 0001
Hobart 4 1132 0001
Casey(Ant) 7 2332 1111
Observed Regional daily pc3 Indices 02 AUG :
Townsville 9 (Quiet)
Learmonth 0 (Quiet)
Culgoora NA
Canberra 13 (Quiet)
Hobart 4 (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 02 Aug : A
Fredericksburg 9
Planetary 10
Observed AFr/Ap Indices 01 Aug : A K
Fredericksburg 9
Planetary 8 3211 2322
2B. MAGNETIC FORECAST
Date Ap Conditions
03 Aug 8 Quiet to Unsettled
04 Aug 5 Quiet
05 Aug 5 Quiet
COMMENT: Expect mostly quiet conditions next few days.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
02 Aug Normal Normal Fair-normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
03 Aug Normal Normal Normal-Fair
04 Aug Normal Normal Normal
05 Aug Normal Normal Normal
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
02 Aug 36
Observed Australian Regional MUFs
Equatorial PNG Region:
Enhanced by 30% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Enhanced by 15% 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):
Near predicted monthly values to enhanced by 30% over
the UT day.
Predicted Monthly T index for August: 37
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
03 Aug 30 Near predicted monthly values
04 Aug 30 Near predicted monthly values
05 Aug 30 Near predicted monthly values
COMMENT: Regional MUFs expected to remain near predicted monthly
values.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 01 Aug
Daily Proton Fluence >1 MeV: 1.1E+07
Daily Proton Fluence >10 MeV: 1.8E+05
Daily Electron Fluence >2 MeV: 3.10E+08 (moderate)
X-ray background: A9.1
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
ACE Satellite Solar Wind Day Averaged Data for 01 Aug
Speed: 473 km/sec Density: 2.5 p/cc Temp: 120000 K Bz: 3 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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