:Product: 3-day Space Weather Predictions daypre.txt
:Issued: 2026 Apr 20 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 21   2026 Apr 22   2026 Apr 23
:Geomagnetic_A_indices:
A_Fredericksburg         13             7             6
A_Planetary              15             8             5
#
# Predicted 3-hour Middle latitude k-indices
:Pred_Mid_k:
Mid/00-03UT               3             2             2
Mid/03-06UT               4             2             1
Mid/06-09UT               3             2             2
Mid/09-12UT               3             2             1
Mid/12-15UT               2             2             2
Mid/15-18UT               2             2             1
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              3             2             1
High/03-06UT              4             2             1
High/06-09UT              4             3             1
High/09-12UT              4             3             2
High/12-15UT              4             3             2
High/15-18UT              4             3             1
High/18-21UT              2             2             1
High/21-00UT              1             1             1
#
# Probability of Geomagnetic conditions at Middle Latitude
:Prob_Mid:
Mid/Active               30            20            15
Mid/Minor_Storm           5             5             5
Mid/Major-Severe_Storm    1             1             1
#
# Probability of Geomagnetic conditions at High Latitudes
:Prob_High:
High/Active              15            15            15
High/Minor_Storm         30            25            20
High/Major-Severe_Storm  35            25            20
#
# Polar Cap Absorption Forecast
:Polar_cap:
                      green
#
# Solar
:10cm_flux:
                        110           120           120
#
:Whole_Disk_Flare_Prob:
Class_M                   5             5             5
Class_X                   1             1             1
Proton                    1             1             1
#
# Region Flare Probabilities for 2026 Apr 21
# Region     Class C      M             X             P
:Reg_Prob: 2026 Apr 20
  4415         10         1             1             1
  4419         55        10             1             1