[Ips-dsgr] IPS Daily Report - 05 February 05
Regional Warning Centre
rwc at ips.gov.au
Sun Feb 6 10:55:22 EST 2005
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 05/2330Z FEBRUARY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 05 FEBRUARY AND FORECAST FOR 06 FEBRUARY - 08 FEBRUARY
STATUS INDICATORS SOL:GREEN MAG:** RED ** ION: GREEN
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1A. SOLAR SUMMARY
Activity 05 Feb: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 05 Feb: 95/41
1B. SOLAR FORECAST
06 Feb 07 Feb 08 Feb
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 105/54 115/66 125/78
COMMENT: A coronal hole is now at solar central meridian and
the Earth is expected to enter this wind stream on 07 Feb. Solar
activity may increase in coming days due to return of previously
active region to north-east limb.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 05 Feb: Quiet
Estimated Indices 05 Feb : A K
Australian Region 3 2111 2012
Darwin 2 1110 2011
Learmonth 3 2111 2012
Culgoora 1 1010 2002
Canberra 2 1110 2002
Hobart 3 2111 1111
Casey(Ant) 7 3--2 2111
Observed Regional daily pc3 Indices 05 Feb :
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 05 Feb : A
Fredericksburg 3
Planetary 4
Observed AFr/Ap Indices 04 Feb : A K
Fredericksburg 2
Planetary 3 0001 2111
2B. MAGNETIC FORECAST
Date Ap Conditions
06 Feb 12 Unsettled
07 Feb 26 active
08 Feb 17 active
COMMENT: Disturbed geomagnetic conditions expected during the
forecast period.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
05 Feb Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
06 Feb Normal Normal Normal-Fair
07 Feb Normal-Fair Fair Fair-Poor
08 Feb Normal Normal-Fair Fair
COMMENT: Degraded HF conditions expected during the forecast
period, particularly during local night hours, at mid to high
latitudes.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
05 Feb 37
Observed Australian Regional MUFs
Equatorial PNG Region:
No data available during local day,
No data available during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for February: 33
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
06 Feb 30 Near predicted monthly values
07 Feb 30 Near predicted monthly values
08 Feb 15 Depressed 15 to 20% southern Aus/NZ region
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 04 Feb
Daily Proton Fluence >1 MeV: 9.9E+05
Daily Proton Fluence >10 MeV: 1.6E+04
Daily Electron Fluence >2 MeV: 1.00E+08 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability:10%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: B1.3
ACE Satellite Solar Wind Day Averaged Data for 04 Feb
Speed: 478 km/sec Density: 0.6 p/cc Temp: 127000 K Bz: 0 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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