[Ips-dsgr] IPS Daily Report - 16 November 05
rwc
rwc at ips.gov.au
Thu Nov 17 10:48:33 EST 2005
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 16/2330Z NOVEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 16 NOVEMBER AND FORECAST FOR 17 NOVEMBER - 19 NOVEMBER
STATUS INDICATORS SOL:** YELLOW ** MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 16 Nov: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 16 Nov: 94/39
1B. SOLAR FORECAST
17 Nov 18 Nov 19 Nov
Activity Low to moderate Low to moderate Low to moderate
Fadeouts Possible Possible Possible
10.7cm/SSN 95/41 95/41 95/41
COMMENT: Active Region 822 remains the only significant feature
on the visible solar disk. This region produced a long-duration
C5.9 level flare at 1213UT. An erupting filament was observed
in the NW quadrant at 1440UT, followed by a slow, low-intensity
CME. Further C to M-class activity is possible from AR822.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 16 Nov: Quiet
Estimated Indices 16 Nov : A K
Australian Region 3 2111 0211
Darwin 4 2111 1211
Learmonth 3 1111 0212
Culgoora - ---- ----
Canberra 3 1111 0210
Hobart 3 1111 0211
Casey(Ant) 9 3--3 1221
Observed Regional daily pc3 Indices 16 Nov :
Townsville NA
Learmonth 0 (Quiet)
Culgoora 12 (Quiet)
Canberra 2 (Quiet)
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 16 Nov : A
Fredericksburg N/A
Planetary N/A
Observed AFr/Ap Indices 15 Nov : A K
Fredericksburg N/A
Planetary N/A 1122 2001
2B. MAGNETIC FORECAST
Date Ap Conditions
17 Nov 6 Quiet
18 Nov 6 Quiet
19 Nov 8 Quiet to Unsettled
COMMENT: Solar wind parameters remain at nominal levels. Quiet
geomagnetic conditions observed at low to mid latitudes, with
isolated unsettled periods at high latitudes. Expect continuing
mostly quiet conditions next three days.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
16 Nov Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
17 Nov Normal Normal Normal
18 Nov Normal Normal Normal
19 Nov Normal Normal Normal-Fair
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
16 Nov 2
Observed Australian Regional MUFs
Equatorial PNG Region:
Near predicted monthly values.
Northern Australian Region:
Slightly below predicted values local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for November: 20
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
17 Nov 10 Near predicted monthly values
18 Nov 10 Near predicted monthly values
19 Nov 10 Near predicted monthly values
COMMENT: Mildly depressed MUFs observed N and S Aus and NZ regions
during local day, recovering to normal by local night. Equatorial
region mostly normal with occasional sporadic-E observed. Antarctic
region mostly normal with occasional spread-F conditions. Expect
similar conditions next three days.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 15 Nov
Daily Proton Fluence >1 MeV: 2.1E+05
Daily Proton Fluence >10 MeV: 1.5E+04
Daily Electron Fluence >2 MeV: 2.10E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 4%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: B1.6
ACE Satellite Solar Wind Day Averaged Data for 15 Nov
Speed: 395 km/sec Density: 1.4 p/cc Temp: 84800 K Bz: -1 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
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