[Ips-dsgr] IPS Daily Report - 03 November 11 issued 2333 UT on 03 Nov 2011
rwc
rwc at ips.gov.au
Fri Nov 4 10:33:26 EST 2011
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 03/2330Z NOVEMBER 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 03 NOVEMBER AND FORECAST FOR 04 NOVEMBER - 06 NOVEMBER
STATUS INDICATORS SOL:** YELLOW ** MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 03 Nov: High
Flares Max Fadeout Freq. Sectors
M2.5 1112UT possible lower European
X1.9 2027UT probable all East Pacific/North American
Observed 10.7 cm flux/Equivalent Sunspot Number for 03 Nov: 160/114
1B. SOLAR FORECAST
04 Nov 05 Nov 06 Nov
Activity Low to moderate Low to moderate Low to moderate
Fadeouts Possible Possible Possible
10.7cm/SSN 165/119 165/119 165/119
COMMENT: Seven C-class flares, the M2.5 and X1.9 flares all from
region 1339 (N18,E57). Region 1338 (S14,E40) contributed a C3.8
flare. Another C-class flares since the X flare. The CME associated
with the M4.3 flare on 2 Nov is unlikely to impact Earth. No
CME was associated with the M2.5 flare and unable to ascertain
any CME associated with the X flare with the limited images.
There is the possibility of X-class flares from region 1339.
ACE solar wind parameters were undisturbed. Solar wind parameters
may be slightly disturbed on 4 and 5 Nov due to weak coronal
hole and possible CME (from 31 Oct) effects.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 03 Nov: Quiet. Quiet to
unsettled at high latitudes with some active periods. Fluctuation
seen in magnetometer data around 2027 UT.
Estimated Indices 03 Nov : A K
Australian Region 3 22100111
Darwin 5 22111212
Townsville 3 22100121
Learmonth 2 22000101
Norfolk_Island 3 12100121
Camden 3 22100121
Canberra 1 11000011
Hobart 2 12100110
Estimated Antarctic Regional K Indices 03 Nov :
Macquarie_Island 0 11000000
Casey 11 24421221
Mawson 9 33211133
Davis 9 33322221
Observed Regional daily pc3 Indices 03 Nov :
Darwin 38 (Quiet to unsettled)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Alice_Springs 0 (Quiet)
Gnangara 0 (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 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 03 Nov : A
Fredericksburg 5
Planetary 5
Observed AFr/Ap Indices 02 Nov : A K
Fredericksburg 7
Planetary 11 3324 3212
2B. MAGNETIC FORECAST
Date Ap Conditions
04 Nov 12 Quiet to unsettled
05 Nov 8 Quiet to unsettled
06 Nov 8 Quiet to unsettled
COMMENT: Isolated active periods possible next two days.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
03 Nov Normal Normal Fair-normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
04 Nov Normal Normal Normal-fair
05 Nov Normal Normal Normal-fair
06 Nov Normal Normal Normal-fair
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
03 Nov 106
Observed Australian Regional MUFs
Cocos Island Region:
Near predicted monthly values until 13 UT then enhanced
to 35%.
Niue Island Region:
Mostly enhanced to 30%. No data 18-23 UT.
Northern Australian Region:
Darwin MUFs were near predicted monthly values to 05
UT then enhanced to 35% apart from enhancements to
60% 10-14 UT. Mostly 10 to 30% enhanced at Townsville.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values until around 19 UT
then enhanced to 30%. Enhanced at Perth to 30% most of
the time.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values. Enhancements to 30%
09-16 UT at Macquarie Is and Scott Base.
Predicted Monthly T index for November: 66
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
04 Nov 115 Near predicted monthly values to 30% enhanced.
05 Nov 115 Near predicted monthly values to 30% enhanced.
06 Nov 115 Near predicted monthly values to 30% enhanced.
COMMENT: IPS HF Communications Warning 49 was issued on 3 November
and is current for interval 4-6 November (SWFs) . Chance of sudden
ionospheric disturbances on daylight sectors of HF circuits over
forecast period.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 02 Nov
Daily Proton Fluence >1 MeV: 1.3E+05
Daily Proton Fluence >10 MeV: 1.2E+04
Daily Electron Fluence >2 MeV: 2.50E+06 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 1%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: C1.0
ACE Satellite Solar Wind Day Averaged Data for 02 Nov
Speed: 372 km/sec Density: 1.0 p/cc Temp: 49200 K Bz: -2 nT
(Courtesy Space Weather Prediction Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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