[Ips-dsgr] IPS Daily Report - 07 March 03
rwc
rwc at ips.gov.au
Sat Mar 8 10:56:40 EST 2003
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 07/2330Z MARCH 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 07 MARCH AND FORECAST FOR 08 MARCH - 10 MARCH
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 07 Mar: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 07 Mar: 150/105
1B. SOLAR FORECAST
08 Mar 09 Mar 10 Mar
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 155/109 160/114 160/114
COMMENT: Solar wind parameters are returning towards typical
background values as the high speed coronal hole solar wind stream
subsides.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 07 Mar: Quiet to Unsettled
Estimated Indices 07 Mar : A K
Australian Region 10 3223 3223
Darwin 8 3222 2224
Townsville 9 3222 3224
Learmonth 9 3222 3223
Canberra 10 3223 3222
Hobart 11 3233 3222
Casey(Ant) 15 3--4 3233
Observed Regional daily pc3 Indices 07 MAR :
Townsville 0 (Quiet)
Learmonth 6 (Quiet)
Canberra 58 (Unsettled)
Hobart 64 (Active)
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 07 Mar : A
Fredericksburg 12
Planetary 12
Observed AFr/Ap Indices 06 Mar : A K
Fredericksburg 15
Planetary 25 4444 5333
2B. MAGNETIC FORECAST
Date Ap Conditions
08 Mar 12 Unsettled
09 Mar 10 Quiet to Unsettled
10 Mar 8 Quiet to Unsettled
COMMENT: Geomagnetic activity is expected to be mostly quiet
to unsettled with possible isolated active periods for 8-10 March.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
07 Mar Normal Normal-fair Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
08 Mar Normal Normal Normal-Fair
09 Mar Normal Normal Normal-Fair
10 Mar Normal Normal Normal-Fair
COMMENT: HF conditions are expected to remain mostly normal for
the next three days, however, isolated small depressions are
possible at times for mid-latitude regions.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
07 Mar 88
Observed Australian Regional MUFs
Equatorial PNG Region:
Mostly near predicted monthly values,
Enhanced by 30% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
with isolated depressions of 15-30% at times.
Antarctic Region (Casey/Scott Base):
Moslty near predicted monthly values.
Predicted Monthly T index for March: 82
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
08 Mar 100 Isolated depressions of 10-20% at times to enhanced
5-10%
09 Mar 110 5 to 10% above predicted monthly values
10 Mar 110 5 to 10% above predicted monthly values
COMMENT: HF conditions are expected to remain mostly normal for
the next three days, however, isolated small depressions are
possible at times for southern regions.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 06 Mar
Daily Proton Fluence >1 MeV: 4.0E+05
Daily Proton Fluence >10 MeV: 1.2E+04
Daily Electron Fluence >2 MeV: 5.20E+07 (normal)
X-ray background: B4.1
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
ACE Satellite Solar Wind Day Averaged Data for 06 Mar
Speed: 519 km/sec Density: 2.9 p/cc Temp: 136000 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
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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