[Ips-dsgr] IPS Daily Report - 03 October 09

rwc rwc at ips.gov.au
Sun Oct 4 10:49:51 EST 2009


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 03/2330Z OCTOBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 03 OCTOBER AND FORECAST FOR 04 OCTOBER - 06 OCTOBER
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 03 Oct:  Very low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 03 Oct:  72/8

1B. SOLAR FORECAST
             04 Oct             05 Oct             06 Oct
Activity     Very low           Very low           Very low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN    70/5               69/3               69/3

COMMENT: The solar wind speed ranged from 300 to 370 km/s and 
is expected to remain in this range for the next three days. 
The solar disc is spotless. 

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

Geomagnetic field for Australian Region 03 Oct: Quiet 

Estimated Indices 03 Oct :  A   K           
   Australian Region       2   11110011
      Darwin               2   11100012
      Townsville           5   22211121
      Learmonth            1   10100011
      Canberra             0   10000000
      Hobart               3   11111111
      Casey(Ant)           6   2221----
    
Observed Regional daily pc3 Indices 03 Oct : 
      Darwin               0   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Alice_Springs        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 03 Oct : A 
           Fredericksburg         1
           Planetary              5                         

Observed AFr/Ap Indices 02 Oct :  A   K
           Fredericksburg         0
           Planetary              2   1100 1101     

2B. MAGNETIC FORECAST 
Date      Ap    Conditions
04 Oct     2    Quiet 
05 Oct     2    Quiet 
06 Oct     2    Quiet 

COMMENT: Expect quiet conditions for the next three days. 

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

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
04 Oct      Normal         Normal         Normal
05 Oct      Normal         Normal         Normal
06 Oct      Normal         Normal         Normal

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

Date   T index
03 Oct   -5

Observed Australian Regional MUFs
   Equatorial PNG/Niue Region:
      Depressed by 15% during the UT day.
   Northern Australian Region:
      Depressed by 15% during the UT day.
   Southern Australian and New Zealand Region:
      Near predicted monthly values over the UT day. 
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for October:   1

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
04 Oct    -5    near predicted monthly values 
05 Oct    -5    near predicted monthly values 
06 Oct    -5    near predicted monthly values 

COMMENT: Normal ionospheric support expected for all regions 
over the next 24 hours with a possibilty of slight depressions 
in the equitorial and north Australian regions. Similar conditions 
expected for the next three days. 
-----------------------------------------------------------
5. SPACE ENVIRONMENT SUMMARY

GOES satellite data for 02 Oct
       Daily Proton Fluence >1 MeV:   4.2E+05
       Daily Proton Fluence >10 MeV:  2.0E+04
       Daily Electron Fluence >2 MeV: 4.80E+04   (normal fluence)   
Electron Fluence Daily Deep Dielectric Discharge Probability: 1%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
       X-ray background: A1.0

ACE Satellite Solar Wind Day Averaged Data for 02 Oct
Speed: 350 km/sec  Density:    0.3 p/cc  Temp:    34500 K  Bz:   0 nT

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