MSGID: 1:18/200@fidonet 668fa727   
   PID: MBSE-FIDO 1.1.0 (Linux-x86_64)   
   CHRS: CP437 2   
   TZUTC: -0400   
   TID: MBSE-FIDO 1.1.0 (Linux-x86_64)   
   :Product: 3-Day Forecast   
   :Issued: 2025 Mar 19 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 3 (below NOAA   
   Scale levels).   
   The greatest expected 3 hr Kp for Mar 19-Mar 21 2025 is 4.00 (below NOAA   
   Scale levels).   
      
   NOAA Kp index breakdown Mar 19-Mar 21 2025   
      
                Mar 19       Mar 20       Mar 21   
   00-03UT       3.67         3.00         4.00   
   03-06UT       3.67         2.67         3.00   
   06-09UT       2.33         2.33         2.67   
   09-12UT       1.67         2.00         2.33   
   12-15UT       2.00         2.00         2.00   
   15-18UT       2.33         2.33         2.00   
   18-21UT       2.67         3.33         2.33   
   21-00UT       2.67         3.67         2.67   
      
   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 Mar 19-Mar 21 2025   
      
                 Mar 19  Mar 20  Mar 21   
   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 Mar 19-Mar 21 2025   
      
                 Mar 19        Mar 20        Mar 21   
   R1-R2           50%           50%           50%   
   R3 or greater   10%           10%           10%   
      
   Rationale: A high chance for M-class flares (R1-R2, Minor-Moderate), and   
   a slight chance for an isolated X-class flare (R3, Strong), will persist   
   through 21 Mar.   
      
      
      
   --- MBSE BBS v1.1.0 (Linux-x86_64)   
    * Origin: Outpost BBS * Johnson City, TN (1:18/200)   
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