[Ips-dsgr] IPS Daily Report - 15 November 10

rwc rwc at ips.gov.au
Tue Nov 16 10:26:49 EST 2010


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 15/2330Z NOVEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 15 NOVEMBER AND FORECAST FOR 16 NOVEMBER - 18 NOVEMBER
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: ** YELLOW **
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1A. SOLAR SUMMARY
Activity 15 Nov:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 15 Nov:  91/36

1B. SOLAR FORECAST
             16 Nov             17 Nov             18 Nov
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN    90/34              90/34              90/34

COMMENT: Solar activity was Low over the last 24 hours. Active 
region 1124 produced B and C-class x-ray flares over this period. 
Expect this trend to continue with a moderate chance of C-class 
flares. The solar wind speed ranged from 680 to 570 km/s over 
the UT day and is presently 640 Km/s. Bz component of the
interplanetary magnetic field ranged between +/-5nT. 

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2A. MAGNETIC SUMMARY

Geomagnetic field for Australian Region 15 Nov: Quiet to Unsettled 

Estimated Indices 15 Nov :  A   K           
   Australian Region       7   22132113
      Darwin               6   32122112
      Townsville           7   22222113
      Learmonth            8   32131113
      Canberra             6   23121013
      Hobart               7   23221013
      Casey(Ant)          14   ---42214
    
Observed Regional daily pc3 Indices 15 Nov : 
      Darwin               0   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Alice_Springs       NA
      Gnangara            28   (Quiet to unsettled)
      Canberra            15   (Quiet)
      Hobart              23   (Quiet to unsettled)
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 15 Nov : A 
           Fredericksburg         6
           Planetary              9                         

Observed AFr/Ap Indices 14 Nov :  A   K
           Fredericksburg         5
           Planetary              7   1200 1333     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
16 Nov    14    Unsettled to Active 
17 Nov    10    Quiet to Unsettled 
18 Nov     5    Quiet 

COMMENT: IPS Geomagnetic Warning 15 was issued on 14 November 
and is current for interval 15-16 November. The geomagnetic activity 
was Quiet to Unsettled in the Australian region with cases of 
Active to Minor Storm activity at high latitudes due to increase 
in solar wind speed. Expect this trend to continue over the UT 
day, 16 November. 

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

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
16 Nov      Normal         Normal         Normal-Fair
17 Nov      Normal         Normal         Normal-Fair
18 Nov      Normal         Normal         Normal

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

Date   T index
15 Nov    -3

Observed Australian Regional MUFs
   Cocos Island Region:
      Mostly near predicted monthly values,
   Niue Island Region:
      Depressed by 20% during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

Predicted Monthly T index for November:  33

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
16 Nov     0    10 to 30% below predicted monthly values 
17 Nov     0    depressed 10 to 20%/near predicted monthly values 
18 Nov    20    Near predicted monthly values 

COMMENT: IPS HF Communications Warning 25 was issued on 14 November 
and is current for interval 15-17 November. Expect mostly depressions 
of 10 to 20 with occasional depressions to 30% probable at all 
latitudes during the next two days, due to increase in geomagnetic 
activity. 

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

GOES satellite data for 14 Nov
       Daily Proton Fluence >1 MeV:   6.2E+05
       Daily Proton Fluence >10 MeV:  1.4E+04
       Daily Electron Fluence >2 MeV: 4.60E+07   (normal fluence)   
Electron Fluence Daily Deep Dielectric Discharge Probability: 6%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
       X-ray background: B1.1

ACE Satellite Solar Wind Day Averaged Data for 14 Nov
Speed: 499 km/sec  Density:    0.7 p/cc  Temp:   157000 K  Bz:  -1 nT

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

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