:Product: Geomagnetic Forecast :Issued: 2025 Apr 24 2205 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # NOAA Ap Index Forecast Observed Ap 23 Apr 007 Estimated Ap 24 Apr 014 Predicted Ap 25 Apr-27 Apr 012-008-015 NOAA Geomagnetic Activity Probabilities 25 Apr-27 Apr Active 35/20/35 Minor storm 20/05/25 Moderate storm 05/01/05 Strong-Extreme storm 01/01/01 NOAA Kp index forecast 25 Apr - 27 Apr Apr 25 Apr 26 Apr 27 00-03UT 3.00 2.33 3.33 03-06UT 2.67 2.00 2.00 06-09UT 4.00 2.33 2.00 09-12UT 2.67 2.00 3.00 12-15UT 2.67 2.00 3.00 15-18UT 2.00 2.00 4.00 18-21UT 2.00 2.00 3.33 21-00UT 2.00 2.00 3.00