:Product: 3-day Space Weather Predictions daypre.txt :Issued: 2026 Apr 27 2200 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/wwire.html # # 3-day Space Weather Predictions # :Prediction_dates: 2026 Apr 28 2026 Apr 29 2026 Apr 30 :Geomagnetic_A_indices: A_Fredericksburg 5 9 14 A_Planetary 5 12 14 # # Predicted 3-hour Middle latitude k-indices :Pred_Mid_k: Mid/00-03UT 2 2 4 Mid/03-06UT 1 2 3 Mid/06-09UT 2 2 3 Mid/09-12UT 1 1 3 Mid/12-15UT 2 2 2 Mid/15-18UT 1 2 2 Mid/18-21UT 1 3 2 Mid/21-00UT 2 3 3 # # Predicted 3-hour High latitude k-indices :Pred_High_k: High/00-03UT 1 1 3 High/03-06UT 1 2 3 High/06-09UT 1 2 3 High/09-12UT 2 2 5 High/12-15UT 3 3 4 High/15-18UT 1 4 3 High/18-21UT 1 3 2 High/21-00UT 1 3 2 # # Probability of Geomagnetic conditions at Middle Latitude :Prob_Mid: Mid/Active 10 20 30 Mid/Minor_Storm 1 5 10 Mid/Major-Severe_Storm 1 1 1 # # Probability of Geomagnetic conditions at High Latitudes :Prob_High: High/Active 20 15 15 High/Minor_Storm 20 25 20 High/Major-Severe_Storm 10 35 20 # # Polar Cap Absorption Forecast :Polar_cap: green # # Solar :10cm_flux: 145 145 145 # :Whole_Disk_Flare_Prob: Class_M 70 70 70 Class_X 25 25 25 Proton 15 15 15 # # Region Flare Probabilities for 2026 Apr 28 # Region Class C M X P :Reg_Prob: 2026 Apr 27 4420 90 60 20 10 4421 10 1 1 1 4423 15 1 1 1 4424 25 5 1 1 4425 85 50 10 10 4427 5 1 1 1