:Product: 3-day Space Weather Predictions daypre.txt
:Issued: 2026 May 17 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 18   2026 May 19   2026 May 20
:Geomagnetic_A_indices:
A_Fredericksburg         15            18             7
A_Planetary              21            21             8
#
# Predicted 3-hour Middle latitude k-indices
:Pred_Mid_k:
Mid/00-03UT               3             4             2
Mid/03-06UT               3             5             2
Mid/06-09UT               3             3             2
Mid/09-12UT               2             3             2
Mid/12-15UT               2             2             2
Mid/15-18UT               4             2             2
Mid/18-21UT               3             2             2
Mid/21-00UT               3             3             2
#
# Predicted 3-hour High latitude k-indices
:Pred_High_k:
High/00-03UT              3             3             2
High/03-06UT              3             5             2
High/06-09UT              4             4             2
High/09-12UT              4             4             3
High/12-15UT              3             3             3
High/15-18UT              6             2             2
High/18-21UT              3             2             2
High/21-00UT              2             2             1
#
# Probability of Geomagnetic conditions at Middle Latitude
:Prob_Mid:
Mid/Active               40            35            20
Mid/Minor_Storm          30            30             5
Mid/Major-Severe_Storm    5             5             1
#
# Probability of Geomagnetic conditions at High Latitudes
:Prob_High:
High/Active               5            10            20
High/Minor_Storm         25            25            30
High/Major-Severe_Storm  60            60            25
#
# Polar Cap Absorption Forecast
:Polar_cap:
                      green
#
# Solar
:10cm_flux:
                        105           110           115
#
:Whole_Disk_Flare_Prob:
Class_M                  40            45            45
Class_X                   5             5             5
Proton                    5             5             1
#
# Region Flare Probabilities for 2026 May 18
# Region     Class C      M             X             P
:Reg_Prob: 2026 May 17
  4435          0         0             0             0
  4436         60        20             5             5
  4438         50        25             1             5
  4439         30         5             0             0
  4440         10         0             0             0
  4441         30         5             0             0
  4442         15         1             1             1
  4443         10         1             1             1