Routine Space Environment Product (Daily)
Issued by NWS

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107
FXXX04 KWNP 152201
DAYPRE

:Product: 3-day Space Weather Predictions daypre.txt
:Issued: 2026 Sep 15 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 Sep 16   2026 Sep 17   2026 Sep 18
:Geomagnetic_A_indices:
A_Fredericksburg         17            18            10
A_Planetary              20            22            12
#
# Predicted 3-hour Middle latitude k-indices
:Pred_Mid_k:
Mid/00-03UT               3             4             3
Mid/03-06UT               3             4             2
Mid/06-09UT               3             3             2
Mid/09-12UT               3             3             3
Mid/12-15UT               3             3             2
Mid/15-18UT               3             3             2
Mid/18-21UT               3             3             2
Mid/21-00UT               4             3             3
#
# Predicted 3-hour High latitude k-indices
:Pred_High_k:
High/00-03UT              3             3             3
High/03-06UT              3             4             2
High/06-09UT              4             4             2
High/09-12UT              4             5             4
High/12-15UT              4             5             4
High/15-18UT              4             4             3
High/18-21UT              3             3             2
High/21-00UT              3             2             2
#
# Probability of Geomagnetic conditions at Middle Latitude
:Prob_Mid:
Mid/Active               35            40            20
Mid/Minor_Storm           5            10             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         20            20            20
High/Major-Severe_Storm  20            20            25
#
# Polar Cap Absorption Forecast
:Polar_cap:
                      green
#
# Solar
:10cm_flux:
                        110           105           100
#
:Whole_Disk_Flare_Prob:
Class_M                   5             5             5
Class_X                   1             1             1
Proton                    1             1             1
#
# Region Flare Probabilities for 2026 Sep 16
# Region     Class C      M             X             P
:Reg_Prob: 2026 Sep 15
  4524          5         1             1             1
  4527         10         5             1             1
  4528         15         1             1             1
  4531         10         1             1             1