[Ips-dsgr] IPS Daily Report - 27 July 01
rwc
rwc at ips.gov.au
Sat Jul 28 09:13:34 EST 2001
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 27/2330Z JULY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 27 JULY AND FORECAST FOR 28 JULY - 30 JULY
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 27 Jul: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 27 Jul: 121/73
GOES satellite data for 26 Jul
Daily Proton Fluence >1 MeV: 1.5E+05
Daily Proton Fluence >10 MeV: 1.1E+04
Daily Electron Fluence >2 MeV: 1.40E+07 (normal)
X-ray background: B4.0
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
1B. SOLAR FORECAST
28 Jul 29 Jul 30 Jul
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 120/72 120/72 120/72
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 27 Jul: Quiet
Estimated Indices 27 Jul : A K
Australian Region 4 1122 2111
Darwin 4 2122 1112
Townsville 2 1011 1111
Learmonth 8 2223 2222
Canberra 5 1123 2111
Hobart 5 1123 2111
Observed Regional daily pc3 Indices 27 JUL :
Darwin 23 (Quiet to unsettled)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Canberra 36 (Quiet to unsettled)
Hobart 32 (Quiet to unsettled)
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 27 Jul : A
Fredericksburg 8
Planetary 9
Observed AFr/Ap Indices 26 Jul : A K
Fredericksburg 11
Planetary 14 4423 3323
2B. MAGNETIC FORECAST
Date Ap Conditions
28 Jul 8 Quiet to Unsettled
29 Jul 8 Quiet to Unsettled
30 Jul 8 Quiet to Unsettled
COMMENT: Quiet conditions are expected.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
27 Jul Normal Normal Normal-Fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
28 Jul Normal Normal Normal-Fair
29 Jul Normal Normal Normal-Fair
30 Jul Normal Normal Normal-Fair
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
27 Jul 102
Observed Australian Regional MUFs
Equatorial PNG Region:
Enhanced by 20% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
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 July: 115
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
28 Jul 115 Near predicted monthly values
29 Jul 115 Near predicted monthly values
30 Jul 115 Near predicted monthly values
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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