:Product: Geomagnetic Forecast :Issued: 2026 Feb 21 2205 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # NOAA Ap Index Forecast Observed Ap 20 Feb 012 Estimated Ap 21 Feb 013 Predicted Ap 22 Feb-24 Feb 015-020-012 NOAA Geomagnetic Activity Probabilities 22 Feb-24 Feb Active 35/25/35 Minor storm 20/35/20 Moderate storm 05/20/05 Strong-Extreme storm 01/05/01 NOAA Kp index forecast 22 Feb - 24 Feb Feb 22 Feb 23 Feb 24 00-03UT 2.67 3.67 3.67 03-06UT 3.67 4.67 3.67 06-09UT 2.67 3.67 2.67 09-12UT 1.67 3.67 2.67 12-15UT 2.67 2.67 2.00 15-18UT 2.67 2.67 1.67 18-21UT 3.67 2.67 1.67 21-00UT 3.67 3.67 2.67