MSGID: 1:18/200@fidonet 66902280   
   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 Apr 03 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 Apr 03-Apr 05 2025 is 5.00 (NOAA Scale   
   G1).   
      
   NOAA Kp index breakdown Apr 03-Apr 05 2025   
      
                Apr 03       Apr 04       Apr 05   
   00-03UT       3.67         1.00         5.00 (G1)   
   03-06UT       3.33         1.00         4.00   
   06-09UT       3.00         2.33         3.67   
   09-12UT       2.33         3.67         3.33   
   12-15UT       2.00         3.33         2.33   
   15-18UT       1.33         3.33         2.33   
   18-21UT       2.00         3.67         2.67   
   21-00UT       2.33         5.00 (G1)    2.67   
      
   Rationale: G1 (Minor) geomagnetic storms are likely on 04-05 Apr due to   
   anticipated recurrent coronal hole activity.   
      
   B. NOAA Solar Radiation Activity Observation and Forecast   
      
   Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was   
   above S-scale storm level thresholds.   
      
   Solar Radiation Storm Forecast for Apr 03-Apr 05 2025   
      
                 Apr 03  Apr 04  Apr 05   
   S1 or greater   15%     15%     15%   
      
   Rationale: There is a slight chance for S1 (Minor) solar radiation   
   storms over 03-05 Apr, primarily due to the flare potential from Region   
   4048.   
      
   C. NOAA Radio Blackout Activity and Forecast   
      
   No radio blackouts were observed over the past 24 hours.   
      
   Radio Blackout Forecast for Apr 03-Apr 05 2025   
      
                 Apr 03        Apr 04        Apr 05   
   R1-R2           70%           70%           70%   
   R3 or greater   15%           15%           15%   
      
   Rationale: R1-R2 (Minor-Moderate) radio blackouts are likely over 03-05   
   Apr, primarily due to the flare potential from Region 4048.   
      
      
      
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