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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 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for May 14-May 16 2021 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown May 14-May 16 2021

            May 14     May 15     May 16
00-03UT        3          2          2     
03-06UT        3          2          1     
06-09UT        2          1          1     
09-12UT        2          1          1     
12-15UT        1          1          1     
15-18UT        2          1          1     
18-21UT        2          1          2     
21-00UT        2          2          2     

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-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for May 14-May 16 2021

              May 14  May 15  May 16
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 May 14-May 16 2021

              May 14        May 15        May 16
R1-R2            5%            5%            5%
R3 or greater    1%            1%            1%

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