MSGID: 1:18/200@fidonet 66929b72   
   PID: MBSE-FIDO 1.1.1 (Linux-x86_64)   
   CHRS: CP437 2   
   TZUTC: -0400   
   TID: MBSE-FIDO 1.1.1 (Linux-x86_64)   
   :Product: 3-Day Forecast   
   :Issued: 2025 Jun 17 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 Jun 17-Jun 19 2025 is 4.33 (below NOAA   
   Scale levels).   
      
   NOAA Kp index breakdown Jun 17-Jun 19 2025   
      
                Jun 17       Jun 18       Jun 19   
   00-03UT       3.00         3.33         3.33   
   03-06UT       3.67         3.00         2.00   
   06-09UT       2.67         2.00         2.00   
   09-12UT       2.67         2.33         3.00   
   12-15UT       2.33         2.67         3.00   
   15-18UT       1.67         3.33         3.33   
   18-21UT       0.67         4.00         3.33   
   21-00UT       1.00         4.33         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 Jun 17-Jun 19 2025   
      
                 Jun 17  Jun 18  Jun 19   
   S1 or greater   30%     15%      5%   
      
   Rationale: There is a decreasing chance for S1 (Minor) or greater solar   
   radiation storms over the next three days.   
      
   C. NOAA Radio Blackout Activity and Forecast   
      
   Radio blackouts reaching the R2 levels were observed over the past 24   
   hours. The largest was at Jun 16 2025 0938 UTC.   
      
   Radio Blackout Forecast for Jun 17-Jun 19 2025   
      
                 Jun 17        Jun 18        Jun 19   
   R1-R2           75%           75%           70%   
   R3 or greater   30%           30%           30%   
      
   Rationale: R1-R2 (Minor-Moderate) radio blackouts are expected, with a   
   chance for R3 (Strong) or greater events, over 17-19 Jun.   
      
      
      
   --- MBSE BBS v1.1.1 (Linux-x86_64)   
    * Origin: Outpost BBS * Johnson City, TN (1:18/200)   
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