:Product: 3-Day Forecast  
  :Issued: 2026 Jul 25 0030 UTC  
  # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction  
  Center  
  #  
  A. NOAA Geomagnetic Activity Observation and Forecast  
    
  The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA  
  Scale levels).  
  The greatest expected 3 hr Kp for Jul 25-Jul 27 2026 is 3.67 (below NOAA  
  Scale levels).  
    
  NOAA Kp index breakdown Jul 25-Jul 27 2026  
    
               Jul 25       Jul 26       Jul 27  
  00-03UT       1.67         2.00         3.00  
  03-06UT       1.33         1.67         3.00  
  06-09UT       1.33         1.33         3.00  
  09-12UT       1.33         1.00         3.33  
  12-15UT       1.33         1.33         3.00  
  15-18UT       1.33         1.33         3.67  
  18-21UT       1.67         1.33         3.67  
  21-00UT       1.67         1.67         3.33  
    
  Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No  
  significant transient or recurrent solar wind features are forecast.  
    
  B. NOAA Solar Radiation Activity Observation and Forecast  
    
  Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was  
  below S-scale storm level thresholds.  
    
  Solar Radiation Storm Forecast for Jul 25-Jul 27 2026  
    
                Jul 25  Jul 26  Jul 27  
  S1 or greater    5%      5%      5%  
    
  Rationale: No S1 (Minor) or greater solar radiation storms are expected.  
  No significant active region activity favorable for radiation storm  
  production is forecast.  
    
  C. NOAA Radio Blackout Activity and Forecast  
    
  No radio blackouts were observed over the past 24 hours.  
    
  Radio Blackout Forecast for Jul 25-Jul 27 2026  
    
                Jul 25        Jul 26        Jul 27  
  R1-R2           35%           35%           35%  
  R3 or greater    5%            5%            5%  
    
  Rationale: Solar activity is expected to be at low levels with a high  
  chance for M-class flares (35%) on 25-27 July due to the flare potential  
  of Regions 4493 and 4494.  
    
    
  --- MBSE BBS v1.1.7.2 (Linux-x86_64)  
   * Origin: Outpost BBS * Johnson City, TN (1:18/200)