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Solar Activity Predictions ::...

Introduction | Solar Cycle | 6 Month's PredictionsMar - 2009 | Apr- 2009 | May - 2009 | June - 2009| July - 2009

:::: Introduction :

An important activity at National Physical Laboratory traditionally has been prediction of sunspot cycle since early 1950s. The 6 months in advance sunspot predictions are being used widely in India for long term planning of HF communications. 

Solar activity predictions are also being used by Indian space research organizations for optimisation of orbital parameters of LEOs and in determining satellite life times etc. Daily predictions on 10.7 cm solar flux are also being provided to Indian Space Research Organization (ISRO) to aid in estimation of orbital decay due to atmospheric drag.
   
:::: Solar Cycle :
:::: Six Month's Predictions :
Sept , 2010

Predicted Values of 12-months Running average Sunspot Numbers ( Based on observed sunspot numbers upto Aug, 2010)
MonthRMonthR
Apr,201014.8Oct, 2010 39.2
May, 2010 17.4 Nov, 201045.6
June, 2010 20.5 Dec, 201052.8
July, 2010 24.1Jan, 201161.2
Aug, 201028.7Feb, 201170.3
Sept, 201033.6Mar, 201179.6
Aug , 2010

Predicted Values of 12-months Running average Sunspot Numbers ( Based on observed sunspot numbers upto July, 2010)
MonthRMonthR
Mar, 201012.85Sept, 201033.95
Apr,201016.0Oct, 2010 39.5
May, 2010 17.75 Nov, 201045.8
June, 2010 20.85 Dec, 201053.05
July, 2010 24.85Jan, 201161.0
Aug, 201029.15Feb, 201169.0
July, 2010

Predicted Values of 12-months Running average Sunspot Numbers ( Based on observed sunspot numbers upto June, 2010)
MonthRMonthR
Feb, 201011.6Aug, 201030.6
Mar,201013.6Sep, 2010 35.6
Apr, 2010 16.0Oct, 201041.3
May, 2010 18.8Nov, 201047.8
June, 2010 22.4Dec, 201055.0
July, 201026.3Jan, 201163.5
June, 2010

Predicted Values of 12-months Running average Sunspot Numbers ( Based on observed sunspot numbers upto May, 2010)
MonthRMonthR
Jan, 20108.70July, 201023.8
Feb,201010.5Aug, 201027.7
Mar, 2010 12.3Sept, 201032.3
Apr, 2010 14.5Oct, 201037.4
May, 2010 17.0Nov, 201043.3
June, 201020.3Dec, 201049.8
May., 2010

Predicted Values of 12-months Running average Sunspot Numbers ( Based on observed sunspot numbers upto April, 2010)
MonthRMonthR
Dec, 20098.80Jun, 201023.30
Jan, 201010.30July, 201027.10
Feb, 2010 12.20Aug, 201031.40
Mar, 2010 14.30Sept, 201036.30
Apr, 2010 17.0Oct, 201041.80
May, 201020.0Nov, 201048.00
April, 2010

Predicted Values of 12-months Running average Sunspot Numbers ( Based on observed sunspot numbers upto March, 2010)
MonthRMonthR
NOv, 20098.10May, 201021.50
Dec, 20099.50June, 201025.00
Jan, 2010 11.3Jul, 201029.0
Feb, 2010 13.20Aug, 201033.50
Mar, 2010 15.7Sept, 201038.6
Apr, 201018.40Oct, 201044.00
Mar, 2010

Predicted Values of 12-months Running average Sunspot Numbers ( Based on observed sunspot numbers upto Feb, 2010)
MonthRMonthR
Sept, 20095.5Mar,201015.0
Oct, 20096.6Apr, 201017.5
Nov, 20097.8May, 201020.4
Dec, 2009 9.2June, 201023.5
Jan, 2010 10.8July, 201027.3
Feb, 201012.8Aug, 201031.5

:::: Note :
For Further Details, Kindly Contact Dr. A. K. Upadhayaya.

 
       2003 Data Centre, Centre for Global Change, National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi-12, India.