:Product: Geomagnetic Forecast :Issued: 2013 May 24 2205 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # NOAA Ap Index Forecast Observed Ap 23 May 007 Estimated Ap 24 May 019 Predicted Ap 25 May-27 May 018-010-008 NOAA Geomagnetic Activity Probabilities 25 May-27 May Active 35/20/15 Minor storm 25/10/01 Moderate storm 10/01/01 Strong-Extreme storm 05/01/01 NOAA Kp index forecast 25 May - 27 May May 25 May 26 May 27 00-03UT 4 2 3 03-06UT 4 3 2 06-09UT 3 2 2 09-12UT 3 2 2 12-15UT 3 2 1 15-18UT 3 2 2 18-21UT 2 2 2 21-00UT 3 3 2