MSGID: 1:18/200@fidonet 668fd805
PID: MBSE-FIDO 1.1.0 (Linux-x86_64)
CHRS: CP437 2
TZUTC: -0400
TID: MBSE-FIDO 1.1.0 (Linux-x86_64)
:Product: 3-Day Forecast
:Issued: 2025 Mar 25 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 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Mar 25-Mar 27 2025 is 5.67 (NOAA Scale
G2).

NOAA Kp index breakdown Mar 25-Mar 27 2025

             Mar 25       Mar 26       Mar 27
00-03UT       3.00         4.67 (G1)    3.67
03-06UT       2.67         3.67         3.67
06-09UT       2.67         3.33         3.33
09-12UT       3.00         3.33         2.67
12-15UT       3.67         2.67         2.33
15-18UT       5.00 (G1)    2.67         2.33
18-21UT       5.00 (G1)    3.33         2.67
21-00UT       5.67 (G2)    3.67         3.33

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

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 Mar 25-Mar 27 2025

              Mar 25  Mar 26  Mar 27
S1 or greater    5%      5%      5%

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 Mar 25-Mar 27 2025

              Mar 25        Mar 26        Mar 27
R1-R2           30%           30%           30%
R3 or greater    5%            5%            5%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



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