MSGID: 1:18/200@fidonet 6695a720
PID: MBSE-FIDO 1.1.7 (Linux-x86_64)
CHRS: CP437 2
TZUTC: -0500
TID: MBSE-FIDO 1.1.7 (Linux-x86_64)
:Product: 3-Day Forecast
:Issued: 2026 Jan 26 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction 
Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Jan 26-Jan 28 2026 is 4.67 (NOAA Scale
G1).

NOAA Kp index breakdown Jan 26-Jan 28 2026

             Jan 26       Jan 27       Jan 28
00-03UT       3.67         2.00         4.00     
03-06UT       2.67         1.67         4.67 (G1)
06-09UT       2.00         2.00         3.33     
09-12UT       2.00         1.67         3.00     
12-15UT       1.33         1.67         3.33     
15-18UT       1.33         2.00         3.67     
18-21UT       1.00         2.33         4.00     
21-00UT       1.33         3.33         4.00     

Rationale: G1 (Minor) geomagnetic storming is likely on 28 Jan due to
negative polarity CH HSS influences.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Jan 26-Jan 28 2026

              Jan 26  Jan 27  Jan 28
S1 or greater    5%      5%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Jan 26-Jan 28 2026

              Jan 26        Jan 27        Jan 28
R1-R2           45%           40%           35%
R3 or greater    5%            5%            1%

Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts
over 26-28 Jan.


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