MSGID: 1:18/200@fidonet 6690ff6e
PID: MBSE-FIDO 1.1.1 (Linux-x86_64)
CHRS: CP437 2
TZUTC: -0400
TID: MBSE-FIDO 1.1.1 (Linux-x86_64)
:Product: 3-Day Forecast
:Issued: 2025 Apr 27 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 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Apr 27-Apr 29 2025 is 4.00 (below NOAA
Scale levels).

NOAA Kp index breakdown Apr 27-Apr 29 2025

             Apr 27       Apr 28       Apr 29
00-03UT       3.33         3.00         2.33
03-06UT       2.00         2.00         2.33
06-09UT       2.00         2.00         2.00
09-12UT       3.00         2.67         2.33
12-15UT       3.00         2.67         2.33
15-18UT       4.00         2.67         1.67
18-21UT       3.33         2.67         2.33
21-00UT       3.00         3.00         2.33

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 Apr 27-Apr 29 2025

              Apr 27  Apr 28  Apr 29
S1 or greater    1%      1%      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 Apr 27-Apr 29 2025

              Apr 27        Apr 28        Apr 29
R1-R2           25%           25%           25%
R3 or greater    1%            1%            1%

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



--- MBSE BBS v1.1.1 (Linux-x86_64)
 * Origin: Outpost BBS * Johnson City, TN (1:18/200)
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