SOLAR ACTIVITY HAS BEEN MODERATE. THE MOST ENERGETIC EVENT OF THE PERIOD WAS AN M3 CLASS EVENT BEGINNING AT 22/1117Z IN REGION 9085 (N14W63). THE EVENT WAS COMPARATIVELY LONG LIVED AND ACCOMPANIED BY TYPE II AND TYPE IV RADIO EMISSION. FLARES HAVE BEEN REPORTED IN REGIONS 9087 (S12W39), 9090 (N12W07), AND 9095 (N21W55). THE MOST COMPLEX REGIONS ARE 9087 (S12W39), A GAMMA-DELTA, REGION 9090 (N12W07), A BETA-GAMMA, AND 9097 (N06E25), A BETA-GAMMA. NEW REGIONS HAVE APPEARED AND BEEN NUMBERED AS 9100 (S31E58) AND 9101 (S16E68). A LONG, NARROW NEGATIVE-POLARITY CORONAL HOLE EXTENDS FROM APPROXIMATELY W35 TO E65 AND BETWEEN APPROXIMATELY N30 TO N45 DEGREES.

SOLAR ACTIVITY IS EXPECTED TO REMAIN MODERATE TO HIGH. IIA. GEOPHYSICAL ACTIVITY SUMMARY 21/2100Z TO 22/2100Z: THE GEOMAGNETIC FIELD WAS AT ACTIVE LEVELS. A GREATER THAN 10 MEV PROTON EVENT BEGAN AT 22/1320Z AND REACHED A MAXIMUM FLUX OF 17 PFU AT 22/1405Z. FLUX LEVELS REMAINED NEAR 10 PFU AT FORECAST ISSUE TIME. THE PROTON EVENT APPEARED TO BE ASSOCIATED WITH THE FLARE AT 22/1117Z. AN ASSOCIATED MINOR ENHANCEMENT OF PROTONS WITH ENERGY GREATER THAN 100 MEV BEGAN AT ABOUT 22/1200Z. THE GREATER THAN 100 MEV INCREASE DID NOT MEET SEC EVENT CRITERIA AND HAD RETURNED TO NEAR-BACKGROUND LEVELS BY 22/1900Z.

GEOMAGNETIC ACTIVITY IS EXPECTED TO BE UNSETTLED TO ACTIVE.

  觀測的       22 JUL 251
  預測的   23 JUL-25 JUL  245/235/230
  90天平均值        22 JUL 189

OBSERVED AFR/AP 21 JUL  006/009
ESTIMATED AFR/AP 22 JUL  012/020
PREDICTED AFR/AP 23 JUL-25 JUL  020/025-020/025-012/020