FXXX04 KWNP 212201

DAYPRE



:Product: 3-day Space Weather Predictions daypre.txt

:Issued: 2026 Mar 21 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 Mar 22   2026 Mar 23   2026 Mar 24

:Geomagnetic_A_indices:

A_Fredericksburg         23            20            13

A_Planetary              36            25            14

#

# Predicted 3-hour Middle latitude k-indices

:Pred_Mid_k:

Mid/00-03UT               4             5             4

Mid/03-06UT               5             4             3

Mid/06-09UT               4             3             3

Mid/09-12UT               3             3             2

Mid/12-15UT               2             3             2

Mid/15-18UT               3             2             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             4             3

High/03-06UT              5             5             3

High/06-09UT              6             4             4

High/09-12UT              6             4             4

High/12-15UT              4             4             4

High/15-18UT              4             4             3

High/18-21UT              4             3             2

High/21-00UT              3             2             2

#

# Probability of Geomagnetic conditions at Middle Latitude

:Prob_Mid:

Mid/Active               25            40            35

Mid/Minor_Storm          40            30            15

Mid/Major-Severe_Storm   25             5             1

#

# Probability of Geomagnetic conditions at High Latitudes

:Prob_High:

High/Active               5             5            10

High/Minor_Storm         15            25            25

High/Major-Severe_Storm  80            65            50

#

# Polar Cap Absorption Forecast

:Polar_cap:

                      green

#

# Solar

:10cm_flux:

                        108           108           105

#

:Whole_Disk_Flare_Prob:

Class_M                  10            10            10

Class_X                   1             1             1

Proton                    1             1             1

#

# Region Flare Probabilities for 2026 Mar 22

# Region     Class C      M             X             P

:Reg_Prob: 2026 Mar 21

  4392         25         5             1             1

  4397         15         1             1             1

  4398         15         1             1             1

  4399         10         1             1             1