[Ips-dsgr] IPS Daily Report - 06 August 08

rwc rwc at ips.gov.au
Thu Aug 7 09:27:13 EST 2008


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 06/2330Z AUGUST 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 06 AUGUST AND FORECAST FOR 07 AUGUST - 09 AUGUST
STATUS INDICATORS SOL:GREEN   MAG:** YELLOW **     ION: GREEN
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1A. SOLAR SUMMARY
Activity 06 Aug:  Very low

Flares: None

Observed 10.7 cm flux/Equivalent Sunspot Number for 06 Aug:  67/0

1B. SOLAR FORECAST
             07 Aug             08 Aug             09 Aug
Activity     Very low           Very low           Very low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN    66/0               66/0               66/0

COMMENT: The solar disk is spotless. The solar wind ranged from 
about 290 to 400 km/s over the past 24 hours. A recurrent coronal 
hole is located at central meridian. 

-----------------------------------------------------------
2A. MAGNETIC SUMMARY

Geomagnetic field for Australian Region 06 Aug: Quiet 

Estimated Indices 06 Aug :  A   K           
   Australian Region       5   12121221
      Darwin               4   22111211
      Townsville           7   22222222
      Learmonth            4   12111220
      Camden               4   11121221
      Canberra             4   11121221
      Hobart               5   02121222
      Casey(Ant)           5   12221221
    
Observed Regional daily pc3 Indices 06 Aug : 
      Darwin               0   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Alice_Springs        0   (Quiet)
      Culgoora             2   (Quiet)
      Camden               0   (Quiet)
      Gnangara             0   (Quiet)
      Canberra             0   (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 06 Aug : A 
           Fredericksburg         5
           Planetary              5                         

Observed AFr/Ap Indices 05 Aug :  A   K
           Fredericksburg         3
           Planetary              3   1112 1001     

2B. MAGNETIC FORECAST 
Date      Ap    Conditions
07 Aug     5    Quiet 
08 Aug     8    Mostly quiet to unsettled. Possibility of isolated 
                active periods later. 
09 Aug    20    Mostly unsettled to active. Possibility of isolated 
                minor storm periods. 

COMMENT: Activity is expected to begin increasing on the 8th due to
a recurrent coronal hole. 

-----------------------------------------------------------
3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
06 Aug      Normal-fair    Normal         Normal         
PCA Event : No event.

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
07 Aug      Normal         Normal         Normal
08 Aug      Normal         Normal         Normal-Fair
09 Aug      Normal         Normal-Fair    Fair

-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY

Date   T index
06 Aug    -7

Observed Australian Regional MUFs
   Equatorial PNG/Niue Region:
      Near predicted monthly values with depressions to 40%
      at Vanimo 05-09 and 11-15 UT. Depressions to 30% at
      Niue 01-02, 05 and 08 UT. Night spread F observed.
   Northern Australian Region:
      Near predicted monthly values to 50% enhanced at
      Darwin; depressions to 30% 00-06 and 21 UT. For other
      stations, near predicted monthly values with
      occasional depressions to 30%. Some night spread F
      observed at all stations.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Enhancements to 60%
      observed at Christchurch 09-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with occasional
      depressions to 25%.

Predicted Monthly T index for August:   2

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
07 Aug     0    Mostly near predicted monthly values. Occasional 
                depressions to 30% possible. 
08 Aug     0    Mostly near predicted monthly values. Occasional 
                depressions to 30% possible. 
09 Aug     0    Mostly near predicted monthly values. Occasional 
                depressions to 30% possible. 

-----------------------------------------------------------
5. SPACE ENVIRONMENT SUMMARY

GOES satellite data for 05 Aug
       Daily Proton Fluence >1 MeV:   1.9E+06
       Daily Proton Fluence >10 MeV:  1.9E+04
       Daily Electron Fluence >2 MeV: 1.70E+07   (normal fluence)   
Electron Fluence Daily Deep Dielectric Discharge Probability: 3%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
       X-ray background: A1.0

ACE Satellite Solar Wind Day Averaged Data for 05 Aug
Speed: 313 km/sec  Density:    2.9 p/cc  Temp:    29200 K  Bz:  -1 nT

(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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