[Ips-dsgr] IPS Daily Report - 21 November 10
rwc
rwc at ips.gov.au
Mon Nov 22 10:04:26 EST 2010
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 21/2330Z NOVEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 21 NOVEMBER AND FORECAST FOR 22 NOVEMBER - 24 NOVEMBER
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 21 Nov: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 21 Nov: 78/17
1B. SOLAR FORECAST
22 Nov 23 Nov 24 Nov
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 78/17 78/17 78/17
COMMENT: Solar activity was Very Low during the UT day. Expect
current trend to continue with a slight chance of a C-class flare.
The solar wind speed ranged from 380 to 440 km/s over the last 24
hours and is presently 430 km/s. Bz component of the interplanetary
magnetic field ranged between +/-5nT.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 21 Nov: Quiet
Estimated Indices 21 Nov : A K
Australian Region 5 21221122
Townsville 7 223221--
Learmonth 6 21121123
Canberra 3 20120112
Hobart 3 21121011
Casey(Ant) 8 33-22122
Observed Regional daily pc3 Indices 21 Nov :
Darwin 0 (Quiet)
Townsville 13 (Quiet)
Learmonth 0 (Quiet)
Canberra 0 (Quiet)
Hobart 7 (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 and have been shown to be
well correlated with rejection of high resolution aeromagnetic
survey flight-line data.
NOTE: Indices may have been generated from data obtained in
cooperation with the following organisations: Geoscience Australia,
University of Newcastle Space Physics Group, Australian Government
Antarctic Division and Space Environment Research Center, Japan.
Estimated AFr/Ap Indices 21 Nov : A
Fredericksburg 3
Planetary 5
Observed AFr/Ap Indices 20 Nov : A K
Fredericksburg 2
Planetary 2 0010 0000
2B. MAGNETIC FORECAST
Date Ap Conditions
22 Nov 4 Quiet
23 Nov 4 Quiet
24 Nov 4 Quiet
COMMENT: The geomagnetic activity was Mostly Quiet in the Australian
and Antarctic regions. Expect this trend to continue over the next
three days.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
21 Nov Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
22 Nov Normal Normal Normal
23 Nov Normal Normal Normal
24 Nov Normal Normal Normal
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
21 Nov 19
Observed Australian Regional MUFs
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Predicted Monthly T index for November: 33
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
22 Nov 25 near predicted monthly values
23 Nov 25 near predicted monthly values
24 Nov 25 Near predicted monthly values
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 20 Nov
Daily Proton Fluence >1 MeV: 1.9E+06
Daily Proton Fluence >10 MeV: 1.4E+04
Daily Electron Fluence >2 MeV: 6.60E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 8%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: B1.1
ACE Satellite Solar Wind Day Averaged Data for 20 Nov
Speed: 405 km/sec Density: 0.2 p/cc Temp: 54200 K Bz: 2 nT
(Courtesy Space Weather Prediction 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
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