[Ips-dsgr] IPS Daily Report - 17 October 01
rwc
rwc at ips.gov.au
Thu Oct 18 09:17:49 EST 2001
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 17/2330Z OCTOBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 17 OCTOBER AND FORECAST FOR 18 OCTOBER - 20 OCTOBER
STATUS INDICATORS SOL:** YELLOW ** MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 17 Oct: Moderate
Flares Max Fadeout Freq. Sectors
M1/SF 1116UT possible lower European
Observed 10.7 cm flux/Equivalent Sunspot Number for 17 Oct: 217/167
1B. SOLAR FORECAST
18 Oct 19 Oct 20 Oct
Activity Moderate Moderate Moderate
Fadeouts Possible Possible Possible
10.7cm/SSN 220/170 220/170 225/175
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 17 Oct: Quiet
Estimated Indices 17 Oct : A K
Australian Region 1 1101 0013
Darwin 1 1101 0013
Learmonth 0 1001 0003
Canberra 1 1101 0013
Hobart 3 2111 1012
Observed Regional daily pc3 Indices 17 OCT :
Darwin NA
Townsville NA
Learmonth 0 (Quiet)
Canberra NA
Hobart NA
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 17 Oct : A
Fredericksburg 6
Planetary 6
Observed AFr/Ap Indices 16 Oct : A K
Fredericksburg 6
Planetary 8 3222 3321
2B. MAGNETIC FORECAST
Date Ap Conditions
18 Oct 5 Quiet
19 Oct 8 Quiet to Unsettled
20 Oct 8 Quiet to Unsettled
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
17 Oct Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
18 Oct Normal Normal Normal
19 Oct Normal Normal Normal
20 Oct Normal Normal Normal
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
17 Oct 172
Observed Australian Regional MUFs
Equatorial PNG Region:
Enhanced by 15% during local day,
Enhanced by 75% during local night.
Northern Australian Region:
Enhanced by 15% during local day,
Enhanced by 60% during local night.
Southern Australian and New Zealand Region:
Enhanced by 30% during local day,
Enhanced by 45% during local night.
Enhanced by 45% after local dawn.
Antarctic Region (Casey/Scott Base):
Enhanced by 25% over the UT day.
Predicted Monthly T index for October: 106
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
18 Oct 150 about 15% above predicted monthly values
19 Oct 150 about 15% above predicted monthly values
20 Oct 150 about 15% above predicted monthly values
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 16 Oct
Daily Proton Fluence >1 MeV: 3.5E+05
Daily Proton Fluence >10 MeV: 1.5E+04
Daily Electron Fluence >2 MeV: 9.20E+06 (normal)
X-ray background: B9.5
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
ACE Satellite Solar Wind Day Averaged Data for 16 Oct
Speed: 379 km/sec Density: 4.5 p/cc Temp: 26500 K Bz: -2 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/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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