SOLAR ACTIVITY WAS MODERATE WITH THREE M-CLASS X-RAY EVENTS OBSERVED THIS PERIOD. REGION 8778 (S14E10) PRODUCED A VERY IMPULSIVE M2/1B FLARE AT 24/2156Z. THIS REGION, THOUGH RELATIVELY SMALL WITH NO OBVIOUS GROWTH, CONTAINS SOME MIXED POLARITY AND CONTINUED TO PRODUCE C-CLASS ACTIVITY FOLLOWING THE M2 FLARE. REGION 8771 (S15W51) PRODUCED AN M3 FLARE AT 24/2337Z WITH A TYPE II SWEEP AND MINOR DISCRETE RADIO BURSTS. ACTIVITY INCREASED IN THIS REGION AGAIN LATE IN THE PERIOD WHEN A SERIES OF C-CLASS EVENTS CULMINATED WITH A M2/2N FLARE AT 25/1919Z. THIS REGION HAS INCREASED IN SIZE CONSIDERABLY DURING THE LAST TWO TO THREE DAYS AND NOW MEASURES NEAR 820 MILLIONTHS IN WHITE LIGHT AREA WITH A POSSIBLE DELTA CONFIGURATION. NO SIGNIFICANT CHANGES OR ACTIVITY NOTED IN THE REMAINING REGIONS.

SOLAR ACTIVITY IS EXPECTED TO CONTINUE AT MODERATE LEVELS. M-CLASS ACTIVITY IS LIKELY FROM REGION 8771 WITH A SMALL CHANCE FOR AN ISOLATED M-CLASS EVENT FROM REGION 8778.

THE GEOMAGNETIC FIELD WAS AT QUIET TO ACTIVE LEVELS WITH AN ISOLATED MAJOR STORMING PERIOD BETWEEN 25/09-12Z. ACE RTSW DATA INDICATED A SHARP TURN SOUTHWARD IN BZ AT AROUND 25/0900Z, BUT THIS LASTED LESS THAN TWO HOURS BEFORE RETURNING TO NORTHWARD.

THE GEOMAGNETIC FIELD IS EXPECTED TO CONTINUE AT QUIET TO ACTIVE LEVELS WITH THE MOST DISTURBED CONDITIONS OCCURRING DURING LOCAL NIGHTTIME HOURS.

  Observé       25 NOV 184
  Prévisionnel   26 NOV-28 NOV  180/175/165
  Moyenne des 90 derniers jours        25 NOV 166

OBSERVED AFR/AP 24 NOV  014/019
ESTIMATED AFR/AP 25 NOV  018/020
PREDICTED AFR/AP 26 NOV-28 NOV  012/012-007/010-007/010