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  NOAA 3 Day Space Weather Forecast
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The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Mar 26-Mar 28 2023 is 4.67 (NOAA Scale
G1).

NOAA Kp index breakdown Mar 26-Mar 28 2023

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

Rationale: G1 (Minor) geomagnetic storms are likely on Mar 26 due to CH
HSS effects.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Mar 26-Mar 28 2023

              Mar 26  Mar 27  Mar 28
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 Mar 26-Mar 28 2023

              Mar 26        Mar 27        Mar 28
R1-R2           10%           10%           10%
R3 or greater    1%            1%            1%

Rationale: There is a slight chance for R1-R2 (Minor-Moderate) radio
blackouts on Mar 26-28.