:Product: Geomagnetic Forecast :Issued: 2025 Jun 13 2205 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # NOAA Ap Index Forecast Observed Ap 12 Jun 033 Estimated Ap 13 Jun 064 Predicted Ap 14 Jun-16 Jun 047-024-018 NOAA Geomagnetic Activity Probabilities 14 Jun-16 Jun Active 05/30/30 Minor storm 35/40/40 Moderate storm 35/15/10 Strong-Extreme storm 25/01/01 NOAA Kp index forecast 14 Jun - 16 Jun Jun 14 Jun 15 Jun 16 00-03UT 4.67 5.00 4.67 03-06UT 5.33 4.33 4.00 06-09UT 5.67 3.67 3.33 09-12UT 4.33 3.33 3.00 12-15UT 3.33 2.67 3.00 15-18UT 4.67 3.00 2.33 18-21UT 5.00 3.00 2.33 21-00UT 6.00 4.00 3.00