Solar activity increased to moderate levels today. Region 528 (N10W31) produced an impulsive M1/1n flare at 26/1928Z along with multiple lesser C-class flares that were observed throughout the period. This region underwent little change today. The beta-gamma magnetic complex remains intact. Region 532 (S11W11) slightly increased in magnetic complexity and areal spot coverage today. A minor B-class flare occurred in this region early in the period. No new regions were numbered today.

Solar activity is expected to be at low to moderate levels. Region 528 continues to exhibit the potential for producing low level M-class flares.

The geomagnetic field was at quiet to unsettled levels.

The geomagnetic field is expected to be at predominantly quiet levels with isolated unsettled conditions possible throughout the period.

  觀測的       26 Dec 137
  預測的   27 Dec-29 Dec  135/135/130
  90天平均值        26 Dec 137

  觀測的 Afr/Ap 25 Dec  006/006
  估算值     Afr/Ap 26 Dec  006/010
  預測的    Afr/Ap 27 Dec-29 Dec  008/010-010/010-008/010