FXXX04 KWNP 192201 DAYPRE :Product: 3-day Space Weather Predictions daypre.txt :Issued: 2026 May 19 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 May 20 2026 May 21 2026 May 22 :Geomagnetic_A_indices: A_Fredericksburg 7 7 7 A_Planetary 8 10 9 # # Predicted 3-hour Middle latitude k-indices :Pred_Mid_k: Mid/00-03UT 2 2 2 Mid/03-06UT 2 2 2 Mid/06-09UT 2 2 2 Mid/09-12UT 2 2 2 Mid/12-15UT 2 2 2 Mid/15-18UT 2 2 2 Mid/18-21UT 2 2 2 Mid/21-00UT 2 2 2 # # Predicted 3-hour High latitude k-indices :Pred_High_k: High/00-03UT 2 2 2 High/03-06UT 2 2 2 High/06-09UT 2 3 2 High/09-12UT 3 4 3 High/12-15UT 3 4 4 High/15-18UT 2 3 3 High/18-21UT 2 2 2 High/21-00UT 1 2 1 # # Probability of Geomagnetic conditions at Middle Latitude :Prob_Mid: Mid/Active 15 20 30 Mid/Minor_Storm 1 5 5 Mid/Major-Severe_Storm 1 1 1 # # Probability of Geomagnetic conditions at High Latitudes :Prob_High: High/Active 20 20 20 High/Minor_Storm 25 35 35 High/Major-Severe_Storm 20 25 30 # # Polar Cap Absorption Forecast :Polar_cap: green # # Solar :10cm_flux: 110 110 108 # :Whole_Disk_Flare_Prob: Class_M 20 20 25 Class_X 5 5 5 Proton 5 5 5 # # Region Flare Probabilities for 2026 May 20 # Region Class C M X P :Reg_Prob: 2026 May 19 4436 35 5 1 1 4439 20 5 1 1 4440 10 1 1 1 4441 30 5 1 1 4443 5 1 1 1