Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
857
FXXX04 KWNP 202201
DAYPRE
:Product: 3-day Space Weather Predictions daypre.txt
:Issued: 2026 Aug 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 Aug 21 2026 Aug 22 2026 Aug 23
:Geomagnetic_A_indices:
A_Fredericksburg 11 9 8
A_Planetary 12 10 8
#
# Predicted 3-hour Middle latitude k-indices
:Pred_Mid_k:
Mid/00-03UT 4 2 3
Mid/03-06UT 2 4 2
Mid/06-09UT 2 2 2
Mid/09-12UT 2 2 2
Mid/12-15UT 2 2 2
Mid/15-18UT 2 1 2
Mid/18-21UT 2 2 2
Mid/21-00UT 3 2 2
#
# Predicted 3-hour High latitude k-indices
:Pred_High_k:
High/00-03UT 3 2 2
High/03-06UT 2 4 2
High/06-09UT 2 3 2
High/09-12UT 4 4 3
High/12-15UT 4 3 3
High/15-18UT 3 1 2
High/18-21UT 2 2 2
High/21-00UT 2 1 1
#
# Probability of Geomagnetic conditions at Middle Latitude
:Prob_Mid:
Mid/Active 30 25 25
Mid/Minor_Storm 10 5 5
Mid/Major-Severe_Storm 1 1 1
#
# Probability of Geomagnetic conditions at High Latitudes
:Prob_High:
High/Active 15 15 20
High/Minor_Storm 30 30 30
High/Major-Severe_Storm 35 30 25
#
# Polar Cap Absorption Forecast
:Polar_cap:
green
#
# Solar
:10cm_flux:
125 120 120
#
:Whole_Disk_Flare_Prob:
Class_M 40 40 40
Class_X 10 10 10
Proton 5 5 5
#
# Region Flare Probabilities for 2026 Aug 21
# Region Class C M X P
:Reg_Prob: 2026 Aug 20
4506 0 0 0 0
4507 65 10 5 5
4508 25 5 1 1
4510 0 0 0 0
4513 85 25 10 5
4514 20 5 1 1