[Ips-dsgr] IPS Daily Report - 10 November 07

rwc rwc at ips.gov.au
Sun Nov 11 10:11:44 EST 2007


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 10/2330Z NOVEMBER 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 10 NOVEMBER AND FORECAST FOR 11 NOVEMBER - 13 NOVEMBER
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: ** YELLOW **
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 10 Nov:  Very low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 10 Nov:  70/5

1B. SOLAR FORECAST
             11 Nov             12 Nov             13 Nov
Activity     Very low           Very low           Very low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN    69/3               69/3               69/3

COMMENT: The solar wind has ranged from 390 to 460 km/s over 
the last 24 hours and is presently 400 km/s. The Bz component 
of the interplanetary magnetic field has fluctuated between +/-5 
nT. The solar disk is spotless. 

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

Geomagnetic field for Australian Region 10 Nov: Quiet 

Estimated Indices 10 Nov :  A   K           
   Australian Region       5   22222111
      Darwin               5   22212112
      Townsville           6   22222221
      Learmonth            5   22222201
      Camden               5   22222101
      Canberra             4   21222110
      Hobart               4   22222100
      Casey(Ant)          12   4-432211
    
Observed Regional daily pc3 Indices 10 Nov : 
      Darwin               0   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Canberra             0   (Quiet)
      Hobart               6   (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 10 Nov : A 
           Fredericksburg         5
           Planetary              5                         

Observed AFr/Ap Indices 09 Nov :  A   K
           Fredericksburg         2
           Planetary              2   1000 1101     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
11 Nov     4    Quiet 
12 Nov     4    Quiet 
13 Nov     4    Quiet 

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

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
11 Nov      Normal         Normal         Normal
12 Nov      Normal         Normal         Normal
13 Nov      Normal         Normal         Normal

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

Date   T index
10 Nov    -18

Observed Australian Regional MUFs
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
      Depressed by 35% after local dawn.
   Northern Australian Region:
      Depressed by 15%.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 10% during local day.
      Depressed by 20% during local night.

Predicted Monthly T index for November:  11

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
11 Nov   -10    near predicted monthly values/depressed 10 to 
                20% 
12 Nov   -10    near predicted monthly values/depressed 10 to 
                20% 
13 Nov   -10    near predicted monthly values/depressed 10 to 
                20% 

COMMENT: General depressions in MUFs still observed across
Australian/NZ region due to lack of solar ionising EUV. 
Sonde coverage across PNG and Pacific is out but MUFs assumed 
similarly affected. 

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

GOES satellite data for 09 Nov
       Daily Proton Fluence >1 MeV:   1.5E+06
       Daily Proton Fluence >10 MeV:  1.9E+04
       Daily Electron Fluence >2 MeV: 1.40E+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 09 Nov
Speed: 348 km/sec  Density:    3.1 p/cc  Temp:    72600 K  Bz:   2 nT

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