:Product: Geomagnetic Forecast :Issued: 2013 Jun 19 2205 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # NOAA Ap Index Forecast Observed Ap 18 Jun 005 Estimated Ap 19 Jun 005 Predicted Ap 20 Jun-22 Jun 010-018-012 NOAA Geomagnetic Activity Probabilities 20 Jun-22 Jun Active 30/40/35 Minor storm 10/20/15 Moderate storm 01/15/01 Strong-Extreme storm 01/05/01 NOAA Kp index forecast 20 Jun - 22 Jun Jun 20 Jun 21 Jun 22 00-03UT 2 3 3 03-06UT 2 4 3 06-09UT 1 3 3 09-12UT 1 3 3 12-15UT 2 2 3 15-18UT 2 3 3 18-21UT 3 4 2 21-00UT 4 4 2