SOLAR ACTIVITY WAS LOW. A SINGLE C1 X-RAY FLARE OCCURRED AT 0807Z, ASSOCIATED WITH EITHER REGION 8226 (N18W28) OR REGION 8222 (N24W90). SURGING OCCURRED WITH THE LIMB TRANSIT OF 8222 MUCH OF THE DAY, INCLUDING A PARTICULARLY INTENSE OCCURRENCE NEAR THE TIME OF THE X-RAY BURST. REGION 8226 CONTINUED TO GROW IN WHITE LIGHT AND H-ALPHA, AND NOW NUMBERS APPROXIMATELY 20 SPOTS AND A FIELD OF BRIGHT PLAGE. IT HAD A SF FLARE AT 0733Z, JUST PRIOR TO THE C-CLASS ACTIVITY.

SOLAR ACTIVITY IS EXPECTED TO REMAIN AT LOW LEVELS.

THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE AT MIDDLE LATITUDES, AND QUIET TO MINOR STORM AT HIGH LATITUDES. BRIEF SUBSTORMING OCCURRED DURING LOCAL NIGHTTIMES.

THE GEOMAGNETIC FIELD IS EXPECTED TO BE MOSTLY QUIET TO UNSETTLED THROUGHOUT THE PERIOD. SUBSTORMS MAY PERSIST DURING THE NEXT 24 HOURS.

  觀測的       24 MAY 096
  預測的   25 MAY-27 MAY  100/100/105
  90天平均值        24 MAY 108

OBSERVED AFR/AP 23 MAY  008/013
ESTIMATED AFR/AP 24 MAY  015/015
PREDICTED AFR/AP 25 MAY-27 MAY  010/015-005/010-005/008