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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 1 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for May 19-May 21 2019 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown May 19-May 21 2019

            May 19     May 20     May 21
00-03UT        0          2          2     
03-06UT        0          2          3     
06-09UT        1          1          2     
09-12UT        1          1          2     
12-15UT        1          2          1     
15-18UT        1          2          1     
18-21UT        2          3          2     
21-00UT        2          2          2     

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-15 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for May 19-May 21 2019

              May 19  May 20  May 21
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 19-May 21 2019

              May 19        May 20        May 21
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

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